# Remote Developer Success Engineer Job at VercelUK, Germany11 days agoFull TimeUK, Germany$25000 - $40000 USDReactNext.jsGoengineertech supportcustomer experiencejavascript"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewVercel is hiring a remote candidate for Developer Success Engineer. This is a full time position. Work location: UK, Germany.The role typically involves technologies such as React, Next.js, Go, engineer, tech support, customer experience.This role involves building user interfaces using technologies such as React, Next.js. Key Responsibilities Lead customers-from fast-paced startups to established enterprises-through defined technical motions that accelerate their adoption and launch on Vercel Provide implementation guidance to ensure deployments follow best practices for builds, caching, web performance, and cost efficiency Troubleshoot and resolve technical challenges related to Next.js, serverless functions, build pipelines, and integrations Identify and unblock opportunities for customer growth and expansion Author and maintain resources-including internal playbooks, external documentation, and knowledge base articles-that scale learnings across internal teams and customers Partner with Sales, Support, and Product teams to escalate complex issues, close feedback loops, and influence product improvements Spot patterns in customer challenges and proactively recommend optimizations or new motions that improve adoption at scale Required Skills Primary Skills React Next.js Go engineer Secondary Skills tech support customer experience javascriptSkills required for this role include React, Next.js, Go, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK, Germany Salary: $25000 - $40000 USD Tech StackReact, Next.js, Go, engineer, tech support, customer experience, javascript Role details About Vercel:Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web.Our mission is to enable the world to ship the best products. That starts with creating a place where everyone can do their best work. Whether you're building on our platform, supporting our customers, or shaping our story: You can just ship things. About The Role:Vercel is hiring a Developer Success Engineer (DSE) to accelerate adoption and unlock growth by guiding customers through their most important technical milestones. DSEs proactively engage with customers in time-boxed, outcome-driven motions-such as onboarding, go-live readiness, and post-launch stabilization-that help unblock progress and set customers up for long-term success on Vercel. They work with a wide variety of customers-from fast-moving startups to established enterprises-adapting their approach to match the needs and pace of each.These engagements are designed as short, focused sprints with clear objectives, allowing DSEs to work with many customers while delivering meaningful impact. By focusing on production-readiness, performance, and optimization, DSEs ensure customers can launch with confidence and scale effectively.Beyond individual engagements, DSEs capture repeatable solutions and translate them into documentation, playbooks, and best practices-extending the impact of their work to thousands of developers. In doing so, they strengthen Vercel's customer intelligence, reduce friction across the developer journey, and improve the overall efficiency of our customer experience. What You Will Do: About You: 3+ years of experience in frontend development, technical support, solutions engineering, or customer-facing technical role Strong knowledge of Next.js, React, and modern web performance best practices Familiarity with troubleshooting frontend build systems, serverless runtimes, and API integrations Ability to diagnose complex technical issues and provide structured recommendations with empathy and clarity Strong communication skills-you can explain technical concepts clearly in writing, async channels, and live conversations. Must have used Vercel or Next.js, or a comparable platform. Passion for helping developers succeed by delivering clear guidance, reducing friction, and creating scalable resources. Bonus If You: Have contributed to open-source projects, technical documentation, or developer advocacy initiatives Bring experience in incident management, debugging serverless functions, or optimizing frontend performance Are comfortable working in a fast-paced, global, remote-friendly environment Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network and skills. Flexible Time Off. We will provide you the gear you need to do your role, and a WFH budget for you to outfit your space as needed.Salary will be based on job-related skills, experience, and location. Your recruiter can share more details during the hiring process.Vercel is committed to fostering and empowering an inclusive community within our organization. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law. Vercel encourages everyone to apply for our available positions, even if they don't necessarily check every box on the job description.
29/05/2026
Full time
# Remote Developer Success Engineer Job at VercelUK, Germany11 days agoFull TimeUK, Germany$25000 - $40000 USDReactNext.jsGoengineertech supportcustomer experiencejavascript"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewVercel is hiring a remote candidate for Developer Success Engineer. This is a full time position. Work location: UK, Germany.The role typically involves technologies such as React, Next.js, Go, engineer, tech support, customer experience.This role involves building user interfaces using technologies such as React, Next.js. Key Responsibilities Lead customers-from fast-paced startups to established enterprises-through defined technical motions that accelerate their adoption and launch on Vercel Provide implementation guidance to ensure deployments follow best practices for builds, caching, web performance, and cost efficiency Troubleshoot and resolve technical challenges related to Next.js, serverless functions, build pipelines, and integrations Identify and unblock opportunities for customer growth and expansion Author and maintain resources-including internal playbooks, external documentation, and knowledge base articles-that scale learnings across internal teams and customers Partner with Sales, Support, and Product teams to escalate complex issues, close feedback loops, and influence product improvements Spot patterns in customer challenges and proactively recommend optimizations or new motions that improve adoption at scale Required Skills Primary Skills React Next.js Go engineer Secondary Skills tech support customer experience javascriptSkills required for this role include React, Next.js, Go, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK, Germany Salary: $25000 - $40000 USD Tech StackReact, Next.js, Go, engineer, tech support, customer experience, javascript Role details About Vercel:Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web.Our mission is to enable the world to ship the best products. That starts with creating a place where everyone can do their best work. Whether you're building on our platform, supporting our customers, or shaping our story: You can just ship things. About The Role:Vercel is hiring a Developer Success Engineer (DSE) to accelerate adoption and unlock growth by guiding customers through their most important technical milestones. DSEs proactively engage with customers in time-boxed, outcome-driven motions-such as onboarding, go-live readiness, and post-launch stabilization-that help unblock progress and set customers up for long-term success on Vercel. They work with a wide variety of customers-from fast-moving startups to established enterprises-adapting their approach to match the needs and pace of each.These engagements are designed as short, focused sprints with clear objectives, allowing DSEs to work with many customers while delivering meaningful impact. By focusing on production-readiness, performance, and optimization, DSEs ensure customers can launch with confidence and scale effectively.Beyond individual engagements, DSEs capture repeatable solutions and translate them into documentation, playbooks, and best practices-extending the impact of their work to thousands of developers. In doing so, they strengthen Vercel's customer intelligence, reduce friction across the developer journey, and improve the overall efficiency of our customer experience. What You Will Do: About You: 3+ years of experience in frontend development, technical support, solutions engineering, or customer-facing technical role Strong knowledge of Next.js, React, and modern web performance best practices Familiarity with troubleshooting frontend build systems, serverless runtimes, and API integrations Ability to diagnose complex technical issues and provide structured recommendations with empathy and clarity Strong communication skills-you can explain technical concepts clearly in writing, async channels, and live conversations. Must have used Vercel or Next.js, or a comparable platform. Passion for helping developers succeed by delivering clear guidance, reducing friction, and creating scalable resources. Bonus If You: Have contributed to open-source projects, technical documentation, or developer advocacy initiatives Bring experience in incident management, debugging serverless functions, or optimizing frontend performance Are comfortable working in a fast-paced, global, remote-friendly environment Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network and skills. Flexible Time Off. We will provide you the gear you need to do your role, and a WFH budget for you to outfit your space as needed.Salary will be based on job-related skills, experience, and location. Your recruiter can share more details during the hiring process.Vercel is committed to fostering and empowering an inclusive community within our organization. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law. Vercel encourages everyone to apply for our available positions, even if they don't necessarily check every box on the job description.
# Remote Developer Success Engineer Job at VercelUK, Germany11 days agoFull TimeUK, Germany$25000 - $40000 USDReactNext.jsGoengineertech supportcustomer experiencejavascript"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewVercel is hiring a remote candidate for Developer Success Engineer. This is a full time position. Work location: UK, Germany.The role typically involves technologies such as React, Next.js, Go, engineer, tech support, customer experience.This role involves building user interfaces using technologies such as React, Next.js. Key Responsibilities Lead customers-from fast-paced startups to established enterprises-through defined technical motions that accelerate their adoption and launch on Vercel Provide implementation guidance to ensure deployments follow best practices for builds, caching, web performance, and cost efficiency Troubleshoot and resolve technical challenges related to Next.js, serverless functions, build pipelines, and integrations Identify and unblock opportunities for customer growth and expansion Author and maintain resources-including internal playbooks, external documentation, and knowledge base articles-that scale learnings across internal teams and customers Partner with Sales, Support, and Product teams to escalate complex issues, close feedback loops, and influence product improvements Spot patterns in customer challenges and proactively recommend optimizations or new motions that improve adoption at scale Required Skills Primary Skills React Next.js Go engineer Secondary Skills tech support customer experience javascriptSkills required for this role include React, Next.js, Go, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK, Germany Salary: $25000 - $40000 USD Tech StackReact, Next.js, Go, engineer, tech support, customer experience, javascript Role details About Vercel:Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web.Our mission is to enable the world to ship the best products. That starts with creating a place where everyone can do their best work. Whether you're building on our platform, supporting our customers, or shaping our story: You can just ship things. About The Role:Vercel is hiring a Developer Success Engineer (DSE) to accelerate adoption and unlock growth by guiding customers through their most important technical milestones. DSEs proactively engage with customers in time-boxed, outcome-driven motions-such as onboarding, go-live readiness, and post-launch stabilization-that help unblock progress and set customers up for long-term success on Vercel. They work with a wide variety of customers-from fast-moving startups to established enterprises-adapting their approach to match the needs and pace of each.These engagements are designed as short, focused sprints with clear objectives, allowing DSEs to work with many customers while delivering meaningful impact. By focusing on production-readiness, performance, and optimization, DSEs ensure customers can launch with confidence and scale effectively.Beyond individual engagements, DSEs capture repeatable solutions and translate them into documentation, playbooks, and best practices-extending the impact of their work to thousands of developers. In doing so, they strengthen Vercel's customer intelligence, reduce friction across the developer journey, and improve the overall efficiency of our customer experience. What You Will Do: About You: 3+ years of experience in frontend development, technical support, solutions engineering, or customer-facing technical role Strong knowledge of Next.js, React, and modern web performance best practices Familiarity with troubleshooting frontend build systems, serverless runtimes, and API integrations Ability to diagnose complex technical issues and provide structured recommendations with empathy and clarity Strong communication skills-you can explain technical concepts clearly in writing, async channels, and live conversations. Must have used Vercel or Next.js, or a comparable platform. Passion for helping developers succeed by delivering clear guidance, reducing friction, and creating scalable resources. Bonus If You: Have contributed to open-source projects, technical documentation, or developer advocacy initiatives Bring experience in incident management, debugging serverless functions, or optimizing frontend performance Are comfortable working in a fast-paced, global, remote-friendly environment Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network and skills. Flexible Time Off. We will provide you the gear you need to do your role, and a WFH budget for you to outfit your space as needed.Salary will be based on job-related skills, experience, and location. Your recruiter can share more details during the hiring process.Vercel is committed to fostering and empowering an inclusive community within our organization. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law. Vercel encourages everyone to apply for our available positions, even if they don't necessarily check every box on the job description.
29/05/2026
Full time
# Remote Developer Success Engineer Job at VercelUK, Germany11 days agoFull TimeUK, Germany$25000 - $40000 USDReactNext.jsGoengineertech supportcustomer experiencejavascript"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewVercel is hiring a remote candidate for Developer Success Engineer. This is a full time position. Work location: UK, Germany.The role typically involves technologies such as React, Next.js, Go, engineer, tech support, customer experience.This role involves building user interfaces using technologies such as React, Next.js. Key Responsibilities Lead customers-from fast-paced startups to established enterprises-through defined technical motions that accelerate their adoption and launch on Vercel Provide implementation guidance to ensure deployments follow best practices for builds, caching, web performance, and cost efficiency Troubleshoot and resolve technical challenges related to Next.js, serverless functions, build pipelines, and integrations Identify and unblock opportunities for customer growth and expansion Author and maintain resources-including internal playbooks, external documentation, and knowledge base articles-that scale learnings across internal teams and customers Partner with Sales, Support, and Product teams to escalate complex issues, close feedback loops, and influence product improvements Spot patterns in customer challenges and proactively recommend optimizations or new motions that improve adoption at scale Required Skills Primary Skills React Next.js Go engineer Secondary Skills tech support customer experience javascriptSkills required for this role include React, Next.js, Go, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK, Germany Salary: $25000 - $40000 USD Tech StackReact, Next.js, Go, engineer, tech support, customer experience, javascript Role details About Vercel:Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web.Our mission is to enable the world to ship the best products. That starts with creating a place where everyone can do their best work. Whether you're building on our platform, supporting our customers, or shaping our story: You can just ship things. About The Role:Vercel is hiring a Developer Success Engineer (DSE) to accelerate adoption and unlock growth by guiding customers through their most important technical milestones. DSEs proactively engage with customers in time-boxed, outcome-driven motions-such as onboarding, go-live readiness, and post-launch stabilization-that help unblock progress and set customers up for long-term success on Vercel. They work with a wide variety of customers-from fast-moving startups to established enterprises-adapting their approach to match the needs and pace of each.These engagements are designed as short, focused sprints with clear objectives, allowing DSEs to work with many customers while delivering meaningful impact. By focusing on production-readiness, performance, and optimization, DSEs ensure customers can launch with confidence and scale effectively.Beyond individual engagements, DSEs capture repeatable solutions and translate them into documentation, playbooks, and best practices-extending the impact of their work to thousands of developers. In doing so, they strengthen Vercel's customer intelligence, reduce friction across the developer journey, and improve the overall efficiency of our customer experience. What You Will Do: About You: 3+ years of experience in frontend development, technical support, solutions engineering, or customer-facing technical role Strong knowledge of Next.js, React, and modern web performance best practices Familiarity with troubleshooting frontend build systems, serverless runtimes, and API integrations Ability to diagnose complex technical issues and provide structured recommendations with empathy and clarity Strong communication skills-you can explain technical concepts clearly in writing, async channels, and live conversations. Must have used Vercel or Next.js, or a comparable platform. Passion for helping developers succeed by delivering clear guidance, reducing friction, and creating scalable resources. Bonus If You: Have contributed to open-source projects, technical documentation, or developer advocacy initiatives Bring experience in incident management, debugging serverless functions, or optimizing frontend performance Are comfortable working in a fast-paced, global, remote-friendly environment Benefits: Competitive compensation package, including equity. Inclusive Healthcare Package. Learn and Grow - we provide mentorship and send you to events that help you build your network and skills. Flexible Time Off. We will provide you the gear you need to do your role, and a WFH budget for you to outfit your space as needed.Salary will be based on job-related skills, experience, and location. Your recruiter can share more details during the hiring process.Vercel is committed to fostering and empowering an inclusive community within our organization. We do not discriminate on the basis of race, religion, color, gender expression or identity, sexual orientation, national origin, citizenship, age, marital status, veteran status, disability status, or any other characteristic protected by law. Vercel encourages everyone to apply for our available positions, even if they don't necessarily check every box on the job description.
# Remote Senior Software Engineer, WebExtensions Job at MozillaUK11 days agoFull TimeUK$83820 - $110490 USDJavaScriptRedisRustJavasoftware engineeringengineerfront endarchitecture"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewMozilla is hiring a remote candidate for Senior Software Engineer, WebExtensions. This is a full time position. Work location: UK.The role typically involves technologies such as JavaScript, Redis, Rust, Java, software engineering, engineer. Key Responsibilities Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox. Debug and fix issues affecting extensions in Firefox. Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end. Contribute to Mozilla-owned extensions and system add-ons. Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub. Support extension developers by helping diagnose issues and improving tooling/documentation. Required Skills Primary Skills JavaScript Redis Rust Java Secondary Skills software engineering engineer front end architectureSkills required for this role include JavaScript, Redis, Rust, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK Salary: $83820 - $110490 USD Tech StackJavaScript, Redis, Rust, Java, software engineering, engineer, front end, architecture Role details Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we're shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we're doing this while never losing our focus on our core mission - to make the internet better for people.The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: The WebExtensions platform powers the add-ons ecosystem in Firefox, enabling millions of users to customize their browser while keeping safety and performance at the forefront. As a WebExtensions Engineer, you will help implement new extension capabilities, improve existing APIs, and ensure that extensions remain reliable across Firefox.As a Software Engineer on the WebExtensions team, you'll bring a passion for exploring complex systems and creating experiences that balance developer power with user trust. You'll work deep in the Gecko platform to evolve extension capabilities, and you'll build UI features in Firefox that make extensions clear and manageable for users. Along the way, you'll collaborate with experts across Mozilla and help advance cross-browser compatibility and the path toward standardization. Your work will keep extensions safe, powerful, and reliable for developers and millions of Firefox users. What you'll do: What you'll bring: 4+ years of professional experience in software development. Strong proficiency in JavaScript, DOM APIs, HTML, and CSS. Familiarity with modern browser architecture and debugging tools. Experience with API design and integration. Ability to navigate and learn from large codebases. Strong communication skills and experience collaborating in distributed teams. Bonus points for:+ Experience with Firefox internals, C++ or Rust.+ Familiarity with Android or GeckoView development.+ Knowledge of web security principles.+ Contributions to open source projects, especially in browser or extension development. What you'll get: Generous performance-based bonus plans to all eligible employees - we share in our success as one team Rich medical, dental, and vision coverage Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) Quarterly all-company wellness days where everyone takes a pause together Country specific holidays plus a day off for your birthday One-time home office stipend Annual professional development budget Quarterly well-being stipend Considerable paid parental leave Employee referral bonus program Other benefits (life/AD&D, disability, EAP, etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. Commitment to diversity, equity, inclusion, and belonging Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company's core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.Group: D ID: R3020 Hiring Ranges: Remote UK£66,000-£87,000 GBP
28/05/2026
Full time
# Remote Senior Software Engineer, WebExtensions Job at MozillaUK11 days agoFull TimeUK$83820 - $110490 USDJavaScriptRedisRustJavasoftware engineeringengineerfront endarchitecture"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewMozilla is hiring a remote candidate for Senior Software Engineer, WebExtensions. This is a full time position. Work location: UK.The role typically involves technologies such as JavaScript, Redis, Rust, Java, software engineering, engineer. Key Responsibilities Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox. Debug and fix issues affecting extensions in Firefox. Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end. Contribute to Mozilla-owned extensions and system add-ons. Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub. Support extension developers by helping diagnose issues and improving tooling/documentation. Required Skills Primary Skills JavaScript Redis Rust Java Secondary Skills software engineering engineer front end architectureSkills required for this role include JavaScript, Redis, Rust, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK Salary: $83820 - $110490 USD Tech StackJavaScript, Redis, Rust, Java, software engineering, engineer, front end, architecture Role details Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we're shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we're doing this while never losing our focus on our core mission - to make the internet better for people.The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: The WebExtensions platform powers the add-ons ecosystem in Firefox, enabling millions of users to customize their browser while keeping safety and performance at the forefront. As a WebExtensions Engineer, you will help implement new extension capabilities, improve existing APIs, and ensure that extensions remain reliable across Firefox.As a Software Engineer on the WebExtensions team, you'll bring a passion for exploring complex systems and creating experiences that balance developer power with user trust. You'll work deep in the Gecko platform to evolve extension capabilities, and you'll build UI features in Firefox that make extensions clear and manageable for users. Along the way, you'll collaborate with experts across Mozilla and help advance cross-browser compatibility and the path toward standardization. Your work will keep extensions safe, powerful, and reliable for developers and millions of Firefox users. What you'll do: What you'll bring: 4+ years of professional experience in software development. Strong proficiency in JavaScript, DOM APIs, HTML, and CSS. Familiarity with modern browser architecture and debugging tools. Experience with API design and integration. Ability to navigate and learn from large codebases. Strong communication skills and experience collaborating in distributed teams. Bonus points for:+ Experience with Firefox internals, C++ or Rust.+ Familiarity with Android or GeckoView development.+ Knowledge of web security principles.+ Contributions to open source projects, especially in browser or extension development. What you'll get: Generous performance-based bonus plans to all eligible employees - we share in our success as one team Rich medical, dental, and vision coverage Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) Quarterly all-company wellness days where everyone takes a pause together Country specific holidays plus a day off for your birthday One-time home office stipend Annual professional development budget Quarterly well-being stipend Considerable paid parental leave Employee referral bonus program Other benefits (life/AD&D, disability, EAP, etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. Commitment to diversity, equity, inclusion, and belonging Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company's core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.Group: D ID: R3020 Hiring Ranges: Remote UK£66,000-£87,000 GBP
# Remote Senior Software Engineer, WebExtensions Job at MozillaUK11 days agoFull TimeUK$83820 - $110490 USDJavaScriptRedisRustJavasoftware engineeringengineerfront endarchitecture"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewMozilla is hiring a remote candidate for Senior Software Engineer, WebExtensions. This is a full time position. Work location: UK.The role typically involves technologies such as JavaScript, Redis, Rust, Java, software engineering, engineer. Key Responsibilities Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox. Debug and fix issues affecting extensions in Firefox. Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end. Contribute to Mozilla-owned extensions and system add-ons. Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub. Support extension developers by helping diagnose issues and improving tooling/documentation. Required Skills Primary Skills JavaScript Redis Rust Java Secondary Skills software engineering engineer front end architectureSkills required for this role include JavaScript, Redis, Rust, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK Salary: $83820 - $110490 USD Tech StackJavaScript, Redis, Rust, Java, software engineering, engineer, front end, architecture Role details Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we're shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we're doing this while never losing our focus on our core mission - to make the internet better for people.The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: The WebExtensions platform powers the add-ons ecosystem in Firefox, enabling millions of users to customize their browser while keeping safety and performance at the forefront. As a WebExtensions Engineer, you will help implement new extension capabilities, improve existing APIs, and ensure that extensions remain reliable across Firefox.As a Software Engineer on the WebExtensions team, you'll bring a passion for exploring complex systems and creating experiences that balance developer power with user trust. You'll work deep in the Gecko platform to evolve extension capabilities, and you'll build UI features in Firefox that make extensions clear and manageable for users. Along the way, you'll collaborate with experts across Mozilla and help advance cross-browser compatibility and the path toward standardization. Your work will keep extensions safe, powerful, and reliable for developers and millions of Firefox users. What you'll do: What you'll bring: 4+ years of professional experience in software development. Strong proficiency in JavaScript, DOM APIs, HTML, and CSS. Familiarity with modern browser architecture and debugging tools. Experience with API design and integration. Ability to navigate and learn from large codebases. Strong communication skills and experience collaborating in distributed teams. Bonus points for:+ Experience with Firefox internals, C++ or Rust.+ Familiarity with Android or GeckoView development.+ Knowledge of web security principles.+ Contributions to open source projects, especially in browser or extension development. What you'll get: Generous performance-based bonus plans to all eligible employees - we share in our success as one team Rich medical, dental, and vision coverage Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) Quarterly all-company wellness days where everyone takes a pause together Country specific holidays plus a day off for your birthday One-time home office stipend Annual professional development budget Quarterly well-being stipend Considerable paid parental leave Employee referral bonus program Other benefits (life/AD&D, disability, EAP, etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. Commitment to diversity, equity, inclusion, and belonging Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company's core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.Group: D ID: R3020 Hiring Ranges: Remote UK£66,000-£87,000 GBP
28/05/2026
Full time
# Remote Senior Software Engineer, WebExtensions Job at MozillaUK11 days agoFull TimeUK$83820 - $110490 USDJavaScriptRedisRustJavasoftware engineeringengineerfront endarchitecture"When applying, mention the word FarCoder to show you've read the job post completely. Employers can look for these words to identify genuine, thoughtful applicants and avoid spam." Job OverviewMozilla is hiring a remote candidate for Senior Software Engineer, WebExtensions. This is a full time position. Work location: UK.The role typically involves technologies such as JavaScript, Redis, Rust, Java, software engineering, engineer. Key Responsibilities Implement and maintain WebExtensions APIs and Addon Management, balancing power, safety, and performance, as well as user interfaces in Firefox. Debug and fix issues affecting extensions in Firefox. Collaborate with product managers, QA, and the AMO engineering team to deliver features end-to-end. Contribute to Mozilla-owned extensions and system add-ons. Participate in open source workflows: code reviews, pull requests, and discussions in Bugzilla/GitHub. Support extension developers by helping diagnose issues and improving tooling/documentation. Required Skills Primary Skills JavaScript Redis Rust Java Secondary Skills software engineering engineer front end architectureSkills required for this role include JavaScript, Redis, Rust, and related tools for day-to-day development. Job Details Employment Type: Full Time Location: UK Salary: $83820 - $110490 USD Tech StackJavaScript, Redis, Rust, Java, software engineering, engineer, front end, architecture Role details Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we're shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we're doing this while never losing our focus on our core mission - to make the internet better for people.The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren't beholden to any shareholders - only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. About this team and role: The WebExtensions platform powers the add-ons ecosystem in Firefox, enabling millions of users to customize their browser while keeping safety and performance at the forefront. As a WebExtensions Engineer, you will help implement new extension capabilities, improve existing APIs, and ensure that extensions remain reliable across Firefox.As a Software Engineer on the WebExtensions team, you'll bring a passion for exploring complex systems and creating experiences that balance developer power with user trust. You'll work deep in the Gecko platform to evolve extension capabilities, and you'll build UI features in Firefox that make extensions clear and manageable for users. Along the way, you'll collaborate with experts across Mozilla and help advance cross-browser compatibility and the path toward standardization. Your work will keep extensions safe, powerful, and reliable for developers and millions of Firefox users. What you'll do: What you'll bring: 4+ years of professional experience in software development. Strong proficiency in JavaScript, DOM APIs, HTML, and CSS. Familiarity with modern browser architecture and debugging tools. Experience with API design and integration. Ability to navigate and learn from large codebases. Strong communication skills and experience collaborating in distributed teams. Bonus points for:+ Experience with Firefox internals, C++ or Rust.+ Familiarity with Android or GeckoView development.+ Knowledge of web security principles.+ Contributions to open source projects, especially in browser or extension development. What you'll get: Generous performance-based bonus plans to all eligible employees - we share in our success as one team Rich medical, dental, and vision coverage Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute) Quarterly all-company wellness days where everyone takes a pause together Country specific holidays plus a day off for your birthday One-time home office stipend Annual professional development budget Quarterly well-being stipend Considerable paid parental leave Employee referral bonus program Other benefits (life/AD&D, disability, EAP, etc. - varies by country) About Mozilla Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. Commitment to diversity, equity, inclusion, and belonging Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company's core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at to request accommodation.We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.Group: D ID: R3020 Hiring Ranges: Remote UK£66,000-£87,000 GBP