Software Engineer - Integrations United Kingdom Jobs

Lead software engineering and architecture for Defence & Security clients in London. Shape strategy, drive business development, and mentor teams in a trust-based environment. Enjoy private healthcare, bonus schemes, and flexible career growth.

Join Roku's DMTE team in Cambridge as a Senior Software Engineer, Embedded UI. You will architect and optimize C++ and BrightScript systems for graphics rendering on a global scale. Tackle performance-critical challenges, integrate AI/ML capabilities, and impact millions of users. We offer compre...

Join Barclays in Glasgow as a Senior Software Engineer. You will design and develop high-quality, scalable software using modern frameworks like React/Angular and Java/Spring. Collaborate cross-functionally to drive innovation and deliver secure, reliable digital services. Enjoy benefits includin...

Join TxODDS in London as a Senior Software Engineer. Design scalable, high-performance solutions using Scala and Kafka, while championing simplicity and industry best practices. This hands-on role involves mentoring, architectural decisions, and shaping the future with AI-assisted development. En...

Join TxODDS in London as a Senior Software Engineer for Data Acquisition. Build and maintain high-performance, real-time data pipelines using Python/Java, Kafka, and Kubernetes. You'll ensure data accuracy and reliability for global sports betting technology, working in a collaborative, distribut...

Lead technical direction for Plaid's open banking platform in Europe as a Staff Software Engineer in London. You'll build high-availability financial infrastructure using Go/Python, translating product strategy into engineering roadmaps. This role requires 8+ years of experience scaling critical ...

Join our Core team as a Senior Java Software Development Engineer. You will build the distributed, low-latency engine at the heart of the Hazelcast Platform. We require strong Java proficiency, experience with complex backend systems, and deep concurrency knowledge. This UK-based role offers exce...

Join a leading hedge fund in London as a Senior C# .NET Engineer. You will design and enhance high-performance, low-latency Order Management Systems (OMS) in a mission-critical trading environment. This hands-on role requires deep C# expertise and collaboration with traders and quants. Enjoy a hi...

Join our Glasgow team as a Full-stack Software Engineer, specializing in Java and Spring Boot. You will build platforms and tooling to enable modern engineering practices at scale, using CI/CD, Docker, and cloud technologies. We offer private medical care, pension contributions, and a competitive...

Join our London team as a Senior Software Engineer. You will lead development on our PHP/Laravel, MySQL, and AWS platform, building scalable RESTful APIs and web apps. We value expertise in modern software engineering, CI/CD, and full-stack performance tuning. Enjoy a collaborative, supportive en...

Join Tripadvisor's European Engineering team as a Senior Software Engineer in London or Oxford. Tackle full-stack challenges with a backend focus, driving projects from design to deployment. Enjoy a flexible, remote-friendly role with competitive pay, travel perks, and comprehensive health benefits.

Join a leading London-based organisation as a Junior C# Developer. You will design scalable backend services and APIs using .NET in a collaborative team. This role requires 1-3 years of C# experience and a strong grasp of OOP and SQL. Grow your skills building robust, real-world applications.

Join BT as a Software Engineering Professional in Cheltenham or Manchester. You will design and develop high-performance software solutions, supporting CI/CD, Agile, and full lifecycle testing. This role requires DV Security Clearance eligibility and offers a competitive package with bonus, pensi...

Join Twilio's SDK Engineering team in the UK as a Senior Software Engineer. Design and build scalable backend systems and GraphQL layers for Contact Center products using Java/Scala. Champion reliability, mentor peers, and enjoy competitive pay, generous leave, and comprehensive benefits.

Seeking an experienced Embedded ADA Software Engineer to join a leading European missile systems team in Bristol. This safety-critical role requires strong Ada expertise and eligibility for SC clearance. You will work across the full software lifecycle within a rigorous, standards-driven environm...

Join our London team as a Senior Software Engineer II in Forensic Intelligence. Design and scale global systems for video evidence analysis, working on media pipelines and forensic tools. Leverage 8+ years of experience to mentor engineers and shape technical architecture. Enjoy competitive salar...

Join our team in Belfast as a Senior Software Engineer. You will design and build high-scale distributed systems using Java and microservices for a global platform. This role requires 5+ years of experience, cloud expertise (AWS/Azure/GCP), and offers the chance to mentor engineers and shape tech...