Software Senior Engineer United Kingdom Jobs

Join a mission-driven team in Manchester as a Senior Software Engineer. Develop scalable, serverless systems using TypeScript, AWS, and Graph databases. Enjoy high autonomy, complex challenges, and benefits including a bonus and hybrid working.

Join Barclays as a Senior Software Engineer in Knutsford/Manchester. Design and develop cutting-edge solutions using Java, Spring Boot, and REST APIs. You will re-architect key systems, lead feature teams, and ensure engineering excellence. We offer private medical care, pension contributions, an...

Join Admiral Money in Cardiff as a Senior Python Engineer. Champion technical excellence within Agile teams, leveraging AWS, CI/CD, and secure development practices. Enjoy substantial benefits including generous holiday, share schemes, and flexible working while building innovative lending soluti...

Join our team in Cambridge as a Senior SDET. You will revolutionize testing by architecting intelligent, AI-driven solutions using Python. Leverage predictive analytics and LLMs to prevent regressions and enhance production reliability. Enjoy comprehensive global and local benefits, including hea...

Join Arqit, a leader in quantum-safe cybersecurity, as a Senior Software Engineer in Belfast. Develop mission-critical, scalable encryption software using Python, with opportunities in Rust and AngularJS. Enjoy a comprehensive benefits package including equity, bonus, and private medical insuranc...

Join a leading UK software house as a Senior Software Engineer. Develop innovative, global greenfield solutions using Java, Spring, and cloud tech. Enjoy a hybrid role with a bonus, shares, and a strong wellbeing package. Lead on AI-driven projects in a collaborative R&D environment.

Join Pynea as a Senior Software Engineer in London. Design and build secure, scalable enterprise workflows using TypeScript, GraphQL, and PostgreSQL. Leverage your AWS/GCP expertise to develop high-concurrency systems and ensure reliability. This contract role requires a self-directed professiona...

Join a London-based startup revolutionizing sports data with real-time platforms. As a Senior Software Engineer, you'll design high-performance Go APIs and data pipelines. This remote/hybrid role offers equity, professional growth, and a collaborative, innovative environment.

Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, and a passion for building secure, scalable systems. Enjoy comp...

Lead architectural development for cybersecurity products as a Senior Principal Software Engineer at Rapid7 in Belfast. This role requires 12+ years of Java experience and expertise in designing complex, scalable enterprise software. You will drive technical strategy, foster innovation, and champ...

Lead quality engineering for microservices in London. Design and drive automation strategy for GraphQL/REST APIs using TypeScript/Go. Build CI/CD pipelines and shape quality culture in this greenfield role.

Join a global payments leader in London, building resilient, event-driven backend systems at scale. We seek a Senior Java Engineer with deep distributed systems and cloud-native expertise. You'll design critical services for real-time financial flows, ensuring high performance and reliability. En...

Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, building scalable systems. Enjoy real ownership, competitive pa...