full stack engineer jobs in Leicester

Snr Software Engineering role - Paying between £80-100k, with a 10% bonus (performance related) - Remote but occasional offsites in LDN/worldwide A SaaS platform that provides businesses and researchers with high-quality, vetted human data for studies, surveys, and AI research are looking for 2 excellent Product Engineers. The stack is Python/JavaScript focused, but the crux of what they want...

Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location: Remote EU - Spain Salary: £70K - £110K About: We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). This role requires deep expertise in Java, React, and modern AI/ML development, including LLM frameworks, SDKs, and...

📍 Remote | Full-time 👋 Overview We’re looking for a pragmatic Full Stack Engineer who can lead the evolution of our infrastructure while keeping systems simple, reliable, and maintainable. This is a remote role for someone who enjoys owning infrastructure decisions without stepping away from hands-on product development. Medify Engineering is a team of ten engineers across two teams, and...

Accelerant is building a new platform that will serve as the backbone of how risk is exchanged in the future. The Product & Technology team is looking for a Full Stack Software Engineer who is passionate about building high quality software systems that are valued by customers. If you join our team, here are some of things you’ll be doing: - Working closely with peer engineers, product...

Blue Light Card. Individually great, together unstoppable The Role and the Team At Blue Light Card, we're opening up multiple opportunities for Full Stack Engineers to join our growing Engineering team. We're committed to building meaningful digital experiences that support millions of frontline workers across the UK. Following our recent replatforming, we've created space for new ideas,...

Full Stack Engineer (JavaScript) – Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking for a senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true...

Senior Full-Stack Engineer – TypeScript / React / AWS Up to £80k | Fully Remote (UK) Tech Stack: TypeScript, Node.js, React.js, AWS Slight backend lean We're on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn't R&D or proof-of-concept work, they're shipping cloud-native, AI-enabled products that customers actually...

About Unilink Unilink Software is a fast-growing, international company and the leading provider of innovative, award-winning software solutions for the criminal justice sector. Our mission is to empower governments and businesses around the world to effectively secure their operating environments, intuitively manage their data, become more efficient, and foster a culture of rehabilitation. Our...

We are a dynamic technology company in the Earth Observation (EO) industry with a mission to make EO data more accessible to business consumers. Our clientele spans across the globe, encompassing diverse industries such as insurance, energy, and environmental organizations. Following a successful seed round, we are transforming our company around a new SaaS business model. We are seeking a Full...

Company: 8 Signals Limited About us 8 Signals is a UK-based software development company specialising in building tailored digital solutions that help businesses solve complex problems and streamline their operations. We combine strong technical expertise with a deep understanding of our clients’ requirements to deliver high-quality software, whether that’s new applications, enhancements to...

Senior Full Stack Engineer | AI-Recruitment SaaS (React & Python) Location: Peterborough / Hybrid Salary: £55,000 – £65,000 + Bonus Tech: React (TS), Python (FastAPI), Google Vertex AI, Postgres, GCP Build the Future of AI-Driven Recruitment Are you a Senior Engineer who thrives on "greenfield" projects? Do you want to work on a platform where AI isn't just a buzzword, but the core engine of...

Blue Light Card. Individually great, together unstoppableAt Blue Light Card, we're on a mission to support our millions of members with meaningful digital experiences. We have recently undertaken a replatforming transformation, setting the foundations to tackle exciting greenfield projects and further enhance the experience for our members. With plenty of opportunities ahead, we're looking for...

A dynamic eCommerce company in Leicester is seeking a Software Engineer II to lead the design and development of their cloud-based SaaS platform. This role involves architecting scalable solutions, providing technical guidance, and collaborating with a cross-functional team. The ideal candidate will have experience in PHP and Laravel and a strong understanding of frontend frameworks like React,...

About Euphoric: Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger opportunity. Global employers spend $3–5 trillion on benefits every year. It’s their second-largest cost after payroll — yet the...

QA Engineer – Fintech | Fully Remote (UK) | £60,000–£65,000 About the Role Our client within the Fintech space is scaling rapidly and transforming the way money moves. Quality is at the heart of everything they do, and you’ll play a key role in ensuring their products remain robust, secure and seamless as they continue to grow. As part of a collaborative full-stack product team—including...

About MosaiQ MosaiQ is a fast-growing AI company transforming how professional-services firms operate. We work with consulting teams, private equity funds, investment advisors, and other knowledge-driven organisations to turn their expertise, judgment, and workflows into AI-powered systems — deployed in days, not months. This is not “AI tooling for demos.” This is production AI embedded into...

A leading service organization in the UK is seeking a Full Stack Engineer to enhance their digital experiences for frontline workers. You will develop high-quality applications in a collaborative agile team, utilizing technologies like TypeScript and AWS. The ideal candidate will have a strong track record in full-stack development and will be committed to high engineering standards. This...

A forward-thinking AI recruitment firm in the UK is looking for a Senior Full Stack Engineer to join their team. You will take ownership of projects, working on features from AI analysis to advanced workflows. The ideal candidate has expertise in React and Python, is a proponent of testing, and is skilled at problem-solving. With a modern tech stack and an AI-first culture, this hybrid role...

📍 Remote | Full-Time 👋 About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two...

A charity support organization located in Leicester is seeking a skilled engineer to contribute to a modern technology stack. The role involves driving improvements through A/B testing, mentoring junior engineers, and driving innovative solutions. The company promotes a hybrid work model with a range of benefits, including flexible hours and a strong learning culture, aiming to enhance...