About Threecolts Threecolts is the leading software suite for online & offline consumer brands (Amazon, Walmart, Target, Shopify, eBay, etc.). We've built a powerful ecosystem of software solutions to help businesses grow smarter - from revenue recovery and retail finance, to multichannel operations and pricing optimization. With over 500 employees globally and strong backing, we're scaling fast across new markets and new partner channels. Who We Are We're a global team built for speed, trust, and impact. As an AI enabled company, AI is integrated across Threecolts from development through to operations, empowering teams to move faster, build better, improve quality, and make more informed decisions. We hire exceptional people from all backgrounds and give them the autonomy to move fast and the accountability to deliver, where you will wear multiple hats, take ownership of challenges, and proactively solve problems beyond your immediate scope. Change is constant, ambiguity is part of the deal, and clear, concise communication is how we stay aligned, so when in doubt, bring people in. We are looking for a Full-Stack TypeScript Developer to build the next generation of AI e-commerce platforms. What you will be responsible for Driving technical decision-making, including technology selection, architecture design, and system scalability Designing and implementing high-quality features across the backend and frontend stack Identifying and addressing performance bottlenecks in critical areas of the product Maintaining high engineering standards through code reviews, testing, documentation, and continuous improvement Reducing technical debt and improving the maintainability, reliability, and scalability of existing systems Establishing and promoting software development best practices across the engineering team Troubleshooting, diagnosing, and resolving production issues and bugs. Collaborating closely with Product Owners to define priorities, refine requirements, and deliver business value Working cross-functionally with Product, Customer Interactions teams to understand user needs and improve the product experience Contributing to technical documentation, knowledge sharing, and mentoring where appropriate What we are looking for 6+ years of professional software development experience, with strong expertise in TypeScript Proven experience building and maintaining production-grade web applications Strong backend engineering experience, including API design, system architecture, and distributed systems concepts Solid understanding of relational databases and advanced SQL Strong focus on software quality, testing, security, and maintainability Experience designing and building secure, reliable, and scalable software systems Passion for writing clean, simple, efficient, and well-documented code Ability to quickly understand complex systems, identify areas for improvement, and drive technical initiatives independently Self-motivated, proactive, and comfortable working in a fast-paced environment with a high degree of ownership Excellent communication skills and professional fluency in English. Nice to have Professional experience with React and modern frontend development practices Experience deploying and operating applications using Docker and Kubernetes Experience working in startup or high-growth environments Familiarity with cloud-native architectures and infrastructure Availability within GMT 3 hours Salary: £ 110,000 per year ( UK) : $140,000 per year (EU) Opportunity to join company-wide offsites Regular rate reviews and bonus opportunities Fully remote/hybrid working
12/07/2026
Full time
About Threecolts Threecolts is the leading software suite for online & offline consumer brands (Amazon, Walmart, Target, Shopify, eBay, etc.). We've built a powerful ecosystem of software solutions to help businesses grow smarter - from revenue recovery and retail finance, to multichannel operations and pricing optimization. With over 500 employees globally and strong backing, we're scaling fast across new markets and new partner channels. Who We Are We're a global team built for speed, trust, and impact. As an AI enabled company, AI is integrated across Threecolts from development through to operations, empowering teams to move faster, build better, improve quality, and make more informed decisions. We hire exceptional people from all backgrounds and give them the autonomy to move fast and the accountability to deliver, where you will wear multiple hats, take ownership of challenges, and proactively solve problems beyond your immediate scope. Change is constant, ambiguity is part of the deal, and clear, concise communication is how we stay aligned, so when in doubt, bring people in. We are looking for a Full-Stack TypeScript Developer to build the next generation of AI e-commerce platforms. What you will be responsible for Driving technical decision-making, including technology selection, architecture design, and system scalability Designing and implementing high-quality features across the backend and frontend stack Identifying and addressing performance bottlenecks in critical areas of the product Maintaining high engineering standards through code reviews, testing, documentation, and continuous improvement Reducing technical debt and improving the maintainability, reliability, and scalability of existing systems Establishing and promoting software development best practices across the engineering team Troubleshooting, diagnosing, and resolving production issues and bugs. Collaborating closely with Product Owners to define priorities, refine requirements, and deliver business value Working cross-functionally with Product, Customer Interactions teams to understand user needs and improve the product experience Contributing to technical documentation, knowledge sharing, and mentoring where appropriate What we are looking for 6+ years of professional software development experience, with strong expertise in TypeScript Proven experience building and maintaining production-grade web applications Strong backend engineering experience, including API design, system architecture, and distributed systems concepts Solid understanding of relational databases and advanced SQL Strong focus on software quality, testing, security, and maintainability Experience designing and building secure, reliable, and scalable software systems Passion for writing clean, simple, efficient, and well-documented code Ability to quickly understand complex systems, identify areas for improvement, and drive technical initiatives independently Self-motivated, proactive, and comfortable working in a fast-paced environment with a high degree of ownership Excellent communication skills and professional fluency in English. Nice to have Professional experience with React and modern frontend development practices Experience deploying and operating applications using Docker and Kubernetes Experience working in startup or high-growth environments Familiarity with cloud-native architectures and infrastructure Availability within GMT 3 hours Salary: £ 110,000 per year ( UK) : $140,000 per year (EU) Opportunity to join company-wide offsites Regular rate reviews and bonus opportunities Fully remote/hybrid working
Threecolts LLC is seeking a Full-Stack TypeScript Developer to enhance their AI-driven e-commerce platforms. The role involves driving technical decisions, designing scalable applications, and collaborating with product teams to improve user experience. Ideal candidates should have at least 6 years of software development experience, particularly in TypeScript, with strong backend skills. The position offers a competitive salary of £110,000 per year and fully remote/hybrid working options.
12/07/2026
Full time
Threecolts LLC is seeking a Full-Stack TypeScript Developer to enhance their AI-driven e-commerce platforms. The role involves driving technical decisions, designing scalable applications, and collaborating with product teams to improve user experience. Ideal candidates should have at least 6 years of software development experience, particularly in TypeScript, with strong backend skills. The position offers a competitive salary of £110,000 per year and fully remote/hybrid working options.
Threecolts LLC in the United Kingdom is seeking an experienced Software Engineer to lead development across its Inventory Lab application. You will take ownership of features, create scalable services, and engage in cross-functional collaboration. The ideal candidate has strong experience with C# and Java, and a commitment to delivering high-quality work. This position offers a competitive salary of £90,000 per year, flexible working arrangements, and generous benefits including 25 days PTO and regular reviews for bonuses.
02/07/2026
Full time
Threecolts LLC in the United Kingdom is seeking an experienced Software Engineer to lead development across its Inventory Lab application. You will take ownership of features, create scalable services, and engage in cross-functional collaboration. The ideal candidate has strong experience with C# and Java, and a commitment to delivering high-quality work. This position offers a competitive salary of £90,000 per year, flexible working arrangements, and generous benefits including 25 days PTO and regular reviews for bonuses.
About Threecolts Threecolts is the leading software suite for online & offline consumer brands (Amazon, Walmart, Target, Shopify, eBay, etc.). We've built a powerful ecosystem of software solutions to help businesses grow smarter - from revenue recovery and retail finance, to multichannel operations and pricing optimization. With over 500 employees globally and strong backing, we're scaling fast across new markets and new partner channels. We're a global team built for speed, trust, and impact. As an AI enabled company, AI is integrated across Threecolts from development through to operations, empowering teams to move faster, build better, improve quality, and make more informed decisions. We hire exceptional people from all backgrounds and give them the autonomy to move fast and the accountability to deliver, where you will wear multiple hats, take ownership of challenges, and proactively solve problems beyond your immediate scope. Change is constant, ambiguity is part of the deal, and clear, concise communication is how we stay aligned, so when in doubt, bring people in. Key Responsibilities You'll take ownership of features across Inventory Lab's C# and Java-based systems, delivering them from initial design through to production. You'll design and build clean, scalable services, APIs, and components that are maintainable, well-tested, and performant. You'll operate independently within a defined scope, making sound technical decisions and balancing speed with long-term quality. You'll play an active role in improving the systems you work on, debugging production issues, identifying root causes, and implementing durable fixes. You'll contribute to technical discussions, help evolve architecture within your domain, and raise the bar through thoughtful code reviews. Collaboration is key: you'll work closely with Product, QA, and DevOps to build features and improvements that deliver meaningful value to Inventory Lab customers. 5-8+ years of professional software engineering experience Strong proficiency in C# and Java Experience building and maintaining backend services, APIs, and scalable application components Solid understanding of REST APIs, system design, and scalable application patterns Experience working with SQL databases and data modelling Familiarity with cloud infrastructure, ideally AWS Experience debugging production systems and resolving issues independently Comfortable working with Git, code reviews, and team-based development Ability to work across an existing codebase and improve quality without over-engineering You have a strong ownership mindset and consistently deliver high-quality work. You make pragmatic technical decisions, understanding when to prioritise speed and when to invest in scalability, reliability, and maintainability. You're comfortable working in a product-led environment and care about the customer impact of what you build. You communicate clearly, work well with cross-functional teams, and look for ways to improve both the product and how the team operates. In this role, you'll support Inventory Lab, a product used by ecommerce sellers to manage inventory, listing, accounting, and operational workflows. The work will suit someone who enjoys solving practical product problems, improving reliability, and building systems that support real customer use cases. Compensation, Perks & Benefits Salary:£ 90,000 per year 25 days PTO Opportunity to join company-wide offsites Regular rate reviews and bonus opportunities Fully remote/hybrid working
01/07/2026
Full time
About Threecolts Threecolts is the leading software suite for online & offline consumer brands (Amazon, Walmart, Target, Shopify, eBay, etc.). We've built a powerful ecosystem of software solutions to help businesses grow smarter - from revenue recovery and retail finance, to multichannel operations and pricing optimization. With over 500 employees globally and strong backing, we're scaling fast across new markets and new partner channels. We're a global team built for speed, trust, and impact. As an AI enabled company, AI is integrated across Threecolts from development through to operations, empowering teams to move faster, build better, improve quality, and make more informed decisions. We hire exceptional people from all backgrounds and give them the autonomy to move fast and the accountability to deliver, where you will wear multiple hats, take ownership of challenges, and proactively solve problems beyond your immediate scope. Change is constant, ambiguity is part of the deal, and clear, concise communication is how we stay aligned, so when in doubt, bring people in. Key Responsibilities You'll take ownership of features across Inventory Lab's C# and Java-based systems, delivering them from initial design through to production. You'll design and build clean, scalable services, APIs, and components that are maintainable, well-tested, and performant. You'll operate independently within a defined scope, making sound technical decisions and balancing speed with long-term quality. You'll play an active role in improving the systems you work on, debugging production issues, identifying root causes, and implementing durable fixes. You'll contribute to technical discussions, help evolve architecture within your domain, and raise the bar through thoughtful code reviews. Collaboration is key: you'll work closely with Product, QA, and DevOps to build features and improvements that deliver meaningful value to Inventory Lab customers. 5-8+ years of professional software engineering experience Strong proficiency in C# and Java Experience building and maintaining backend services, APIs, and scalable application components Solid understanding of REST APIs, system design, and scalable application patterns Experience working with SQL databases and data modelling Familiarity with cloud infrastructure, ideally AWS Experience debugging production systems and resolving issues independently Comfortable working with Git, code reviews, and team-based development Ability to work across an existing codebase and improve quality without over-engineering You have a strong ownership mindset and consistently deliver high-quality work. You make pragmatic technical decisions, understanding when to prioritise speed and when to invest in scalability, reliability, and maintainability. You're comfortable working in a product-led environment and care about the customer impact of what you build. You communicate clearly, work well with cross-functional teams, and look for ways to improve both the product and how the team operates. In this role, you'll support Inventory Lab, a product used by ecommerce sellers to manage inventory, listing, accounting, and operational workflows. The work will suit someone who enjoys solving practical product problems, improving reliability, and building systems that support real customer use cases. Compensation, Perks & Benefits Salary:£ 90,000 per year 25 days PTO Opportunity to join company-wide offsites Regular rate reviews and bonus opportunities Fully remote/hybrid working