126 to 136 of 136 Principal Systems Engineer Jobs in the UK

reaching well beyond iOS and Android. Based in Mobile Engineering, you will use a close connection to customer and product needs to shape backend systems across engineering organizations. You will help decide which cross-team problems to tackle and where architectural investment will have the greatest impact, then work … with the owning engineers to build and prove the solution in production. What You'll Do Shape the systems behind product experiences: Set technical direction for client-facing APIs and the backend architecture behind them. Work with service and platform owners to simplify how backend services connect and support ...

reaching well beyond iOS and Android. Based in Mobile Engineering, you will use a close connection to customer and product needs to shape backend systems across engineering organizations. You will help decide which cross-team problems to tackle and where architectural investment will have the greatest impact, then work … with the owning engineers to build and prove the solution in production. What You'll DoShape the systems behind product experiences: Set technical direction for client-facing APIs and the backend architecture behind them. Work with service and platform owners to simplify how backend services connect and support product ...

Anaplan Inc is looking for a Principal Data Engineer to work across the full stack of Anaplan AI applications. This role includes designing and building retrieval layers for agentic workloads and developing GenAI features that enhance real-time planning workflows. The ideal candidate will have deep knowledge ...

Sepura Limited is seeking a Principal Software Engineer to lead the architecture and performance of critical public safety systems. You will mentor teams, drive best practices, and shape the development lifecycle across C#/.NET platforms. The role emphasizes low-latency, highly available solutions, with a hybrid work ...

Leonardo UK in Basildon is seeking a Principal Test Engineer to support electro‐optical test equipment and test processes for Precision Guidance products, from development to production. You will contribute to test strategy, system design, and documentation while collaborating with production teams to resolve field issues. The role ...

Babcock is seeking a Principal Electromagnetic Compatibility Engineer at our Stoke Gifford, Bristol site with hybrid working. You will be the technical authority for EMC activities within Naval Nuclear, leading EMC testing and support on complex defence programmes. You'll collaborate with MoD stakeholders and internal teams ...

leading project solutions company in London is seeking a Principal AI Engineer to drive innovative AI initiatives. The ideal candidate will have strong leadership skills and deep technical expertise in AI and machine learning, overseeing the development of advanced AI systems. This high-impact role demands a visionary ...

RELX International in London is seeking a Technical Lead to balance hands-on software development with engineering leadership. You will shape technical direction, guide delivery planning, and collaborate with Product, Architecture, QE, SRE, and partner ...

Moody's is seeking a Principal Software Engineer-AI to lead strategy, delivery, and evolution of mission-critical AI platforms and intelligent applications within the Digital Content and Innovation organization. You will own multi-year architecture and technology roadmaps for AI platforms and guide multiple engineering teams ...

leading IoT technology firm is seeking a highly skilled Principle and Senior Backend Engineer (.NET) to design and develop critical backend services for IoT products. The role involves building scalable systems, ensuring high automated test coverage, and collaborating with various teams to create secure solutions. This position offers ...

culture You'll join the Product Test and Diagnosis team within Manufacturing Operations. The team defines and delivers test strategies across silicon, boards, server systems, and rack-scale platforms. Day to day, you'll work closely with engineers across hardware, firmware, software, manufacturing, and quality. Decisions are driven … automation (e.g., Python, Bash, or similar), including building reliable test infrastructure and integrating heterogeneous test content. Desirable Familiarity with rack‐scale/multi‐node systems, high‐speed interconnects, and production qualification of complex assemblies. Experience improving manufacturing KPIs (yield, test time, false fail reduction) through data‐driven test optimisation ...