Software Senior Engineer United Kingdom Jobs (Hybrid work)

Senior Software Engineer sought by Barclays in Glasgow to design and build scalable digital services. You will leverage front-end expertise (React, Angular, TypeScript) and back-end skills (Java, Spring Boot, REST APIs) to drive innovation. Experience with microservices, event-driven architecture...

Senior Software Engineer (AVP) sought for Margin Technology in London. Join a global team building high-quality solutions using Java, React, and Python. You will develop RESTful APIs with Spring, apply TDD, and work on complex business problems in a fast-paced environment. Benefits include 27 day...

Senior Software Engineer, Embedded UI – C++ at Roku in Cambridge, UK. Join the #1 TV streaming platform to develop and optimize high-performance rendering engines and UI frameworks. Requires 5+ years in C++, embedded systems, and Linux, with experience in JavaScript/TypeScript frameworks. Enjoy f...

Senior Software Engineer, Infrastructure / Efficiency / Productivity sought by Roku in Cambridge, UK. This architect-level role drives org-wide productivity by owning AI-first automation, CI/CD pipelines, and enterprise tooling. Requires deep expertise in Git, Jenkins, Docker, and build systems (...

Senior Software Engineer, Infrastructure and Efficiency role in Manchester, UK. Drive org-wide productivity by architecting AI-first automation, CI/CD pipelines, and developer tooling at scale. Requires Staff/Principal-level experience with Git, Jenkins, Docker, and build systems. Join Roku to sh...

Senior Virtual Software Modeling Engineer needed in Cambridge, UK to bring AMD’s cutting-edge SoCs to life. Develop high-performance C++ functional models, simulate next-gen hardware, and enable pre-silicon software development. Requires expertise in C/C++, x86/ARM/GPU architecture, and system mo...

Senior Software Engineer sought by Collinson, the global leader behind Priority Pass and loyalty solutions. You will design scalable, cloud-native applications using TypeScript (Node.js & React) in London. Requires 5+ years of full-stack experience, expertise in AWS, event-driven architectures, a...

Senior Python Software Engineer sought to support R&D tooling, data infrastructure, and CI/CD pipelines in Bristol, UK. Requires 7+ years Python experience, GitLab CI/CD, and Agile workflows. Key benefits include technical mentorship, code reviews, and ensuring software reliability, security, and...

Senior Frontend Software Engineer sought by an elite London trading firm with an unlimited tech budget. You will build high-scale, low-latency solutions using C++ 20/23, optimizing ML pipelines processing millions of data points per second. Ideal candidates have 2-15 years of C++ experience, stro...

Senior Software Engineer, Embedded Software Automation and Tools – Cambridge, UK. Join Roku to develop and maintain E2E automation frameworks and tools using Python and REST APIs. Requires 10+ years of automation experience, Linux proficiency, and AI adoption expertise. Benefits include healthcar...

Senior Software Platform Engineer sought by a top growth investment firm in London. You'll build a modern, AI-first internal platform, working across software and infrastructure with Python and GCP. This role offers high ownership, mentoring junior engineers, and contributing to agentic AI workfl...

Principal AI Software Engineer, SVP role in London. Architect scalable backend systems for advanced AI tools, leveraging expert Python, FastAPI, and Generative AI frameworks like LangChain. Requires deep ML knowledge and full lifecycle ownership. C++ expertise is a bonus. Benefits include 27+ day...

Senior Software Engineer (AVP) role in Citi’s Margin Technology team, based in Belfast. You will build high-impact financial systems using Java, React, and Python, with expertise in RESTful APIs, TDD, and clean code. Join a global team solving complex problems at massive scale, with hybrid work, ...

Senior Algo Trading Software Engineer (VP) at Citi in London. Engineer high-performance, low-latency electronic execution systems using Java, C++, or Rust. Collaborate with traders and quants to drive innovation in global finance, leveraging AI-powered tools and Agile practices. Enjoy 27 days lea...

Senior Software Engineer, Subscriptions – Manchester, UK. Join Roku, the #1 TV streaming platform, to develop core features for the Roku OS using C++, Embedded Linux, and ReactJS. You will design and ship high-quality software, write tests, and collaborate cross-functionally. Enjoy global wellnes...