Signapse, Ltd

Instant AI BSL for Broadcast & Digital - Now Live! Bring real-time British Sign Language to your streams, signage & events with SignStream API. Book a demo today Remote, with an optional 1 day every 2 weeks in London Are you interested in designing world-leading sign language technology and networking with businesses, the third sector, and individual professionals? Are you ready to join a small and experienced team working towards a mission to make spoken and written languages accessible to Deaf people ? About Signapse Signapse is a fast-paced startup with the goal of making the world a more inclusive place for the Deaf community. As a tech for good, we're using AI to create sign language translations in the video, transportation, and website spaces. Signapse is expanding at pace within these spaces, providing a perfect opportunity to grow its technical team. By joining as a backend engineer on our live streaming team, you'll be working on SignStream-our product that takes audio, text or video input and outputs AI-generated sign language translations as MP4, HLS streams and more. You'll be instrumental in reducing latency, implementing new streaming protocols, and building the foundations of our real-time delivery infrastructure. Personal Requirements 3-5 years of backend engineering experience Strong proficiency in Go Experience with video streaming protocols (HLS, DASH, or similar) Understanding of low-latency systems and performance optimisation Experience working with video processing pipelines Familiarity with CI/CD pipelines and deployment practices Strong communication skills, whether written, verbal or signed Comfortable working in an early-stage environment Collaborating closely with frontend, QA, and DevOps engineers Example Responsibilities Design, implement and build live streaming infrastructure for SignStream. You will do this by: Improving end-to-end latency across the translation pipeline Implementing new streaming protocols including WebRTC, SRT and low-latency HLS Building and optimising video processing pipelines Contributing to architectural decisions for real-time delivery systems Collaborating with DevOps engineers on infrastructure and deployment Ensuring services are monitored, observable and production-ready Contributing to discussions on technical feasibility and brainstorming solutions Knowledge, Skills and Experience Experience with WebRTC or SRT Experience with low-latency HLS (LL-HLS) Familiarity with FFmpeg Rust experience Experience with real-time audio/video synchronisation Understanding of cloud infrastructure (AWS) Familiarity with Terraform 24 days' holiday plus bank holidays and company pension scheme. Competitive compensation and high-value equity packages Opportunity to work on cutting-edge technologies and be involved at the early stages of a high-growth business Hours This is a full-time position, with normal virtual office hours of 9am to 6pm, although flexibility is offered to suit reasonable personal circumstances. What matters most to us is strong collaboration, meeting agreed milestones, and the delivery of high-quality work. Please note you must have the right to work and live full-time in the UK when you apply for this position. Equality and Diversity Signapse is committed to eliminating discrimination and encouraging diversity in our team. Our aim is that our team will be truly representative of all sections of society and each employee feels respected and able to give their best. We've created a culture of encouragement and support to enable our employees to focus on what they truly want to achieve for successful career development. Our work-life policies and flexible working practices make our employees feel more in control of their personal and working lives. Any applicants who are native sign language users are guaranteed an interview. As part of our recruitment process, the company collects and processes personal information, or personal data, relating to job applicants. We are committed to protecting the privacy and security of your personal information and to meeting our data protection obligations under the General Data Protection Regulation ("GDPR") and the Data Protection Act 2018. By applying for a position with us, you are giving your consent for us to do so. These items allow the website to remember choices you make (such as your user name, language, or the region you are in) and provide enhanced, more personal features. For example, a website may provide you with local weather reports or traffic news by storing data about your current location. Analytics & Performance These items help the website operator understand how its website performs, how visitors interact with the site, and whether there may be technical issues. This storage type usually doesn't collect information that identifies a visitor. Marketing These items are used to deliver advertising that is more relevant to you and your interests. They may also be used to limit the number of times you see an advertisement and measure the effectiveness of advertising campaigns. Advertising networks usually place them with the website operator's permission.

Remote, with an optional 1 day every 2 weeks in London Are you interested in helping us to craft exceptional experiences for our clients that will have a genuine social good? Are you ready to join a small and experienced team of innovators and make a significant contribution to our success? About Signapse Personal Requirements 3-5 years of experience in QA or test engineering Hands-on experience designing and implementing test automation frameworks Experience integrating automated tests into CI/CD pipelines Familiarity with at least one of: Go, Python, or TypeScript A pragmatic approach to knowing when to automate and when not to Strong communication skills, whether written, verbal or signed Comfortable working in an early-stage environment with ambiguity Have a passion for quality and high standards of work produced Example Responsibilities Design, implement and build test automation for Signapse products. You will do this by: Identifying high-impact areas for automation and prioritising ruthlessly Building test automation frameworks across our stack (Go APIs, Python AI services, Next.js frontend) Integrating automated tests into CI/CD pipelines Establishing testing standards and best practices for the engineering team Performing exploratory and manual testing where automation isn't yet practical Contributing to discussions on quality, brainstorming solutions and advising on technical risks Ensuring monitoring and alerting support quality goals Collaborating closely with frontend, backend, and DevOps engineers Knowledge, Skills and Experience Experience testing real-time or streaming systems Familiarity with video/media pipelines Experience validating AI/ML model outputs Knowledge of accessibility standards (WCAG, ADA) Experience with performance and load testing Familiarity with Terraform and cloud infrastructure (AWS) 24 days' holiday plus bank holidays and company pension scheme. Competitive compensation and high-value equity packages Opportunity to work on cutting-edge technologies and be involved at the early stages of a high-growth business Hours This is a full-time position, with normal virtual office hours of 9am to 6pm, although flexibility is offered to suit reasonable personal circumstances. What matters most to us is strong collaboration, meeting agreed milestones and the delivery of high-quality work. Please note you must have the right to work and live full-time in the UK when you apply for this position. Equality and Diversity Signapse is committed to eliminating discrimination and encouraging diversity in our team. Our aim is that our team will be truly representative of all sections of society and each employee feels respected and able to give their best. We've created a culture of encouragement and support to enable our employees to focus on what they truly want to achieve for successful career development. Our work-life policies and flexible working practices make our employees feel more in control of their personal and working lives. Any applicants who are native sign language users are guaranteed an interview. As part of our recruitment process, the company collects and processes personal information, or personal data, relating to job applicants. We are committed to protecting the privacy and security of your personal information and to meeting our data protection obligations under the General Data Protection Regulation ("GDPR") and the Data Protection Act 2018. By applying for a position with us, you are giving your consent for us to do so.