176 to 200 of 269 Senior Systems Engineer Jobs in the UK

Software Engineer for our backend team working remotely (EU/UK based). You will help scale Avakin Life’s backend systems, delivering reliable and secure services for millions of players. The role emphasizes collaboration in an agile environment, ownership of systems, and a strong ...

Chubb is seeking a Senior AI Engineer to design, develop and deploy … generative AI solutions across underwriting, claims, and customer service. The role sits at the intersection of software engineering and applied AI, building production-ready systems on our Azure and Databricks platform. You will mentor engineers, shape technical direction, and drive architecture decisions to scale AI capabilities across the insurance ...

seeking a Senior Backend Software Engineer to join the Spacetime UK team. You will contribute to core software, optimize distributed systems, and drive production-ready solutions for aerospace communications. Hybrid remote/in-office arrangements are available for candidates who can work within the UK. … will design and implement scalable systems, lead technical initiatives, and collaborate with senior engineers on challenging projects across land, sea, air, and #J-18808-Ljbffr ...

Space in Farnborough is seeking a Sr. Systems Validation Engineer to validate high‐speed SerDes PHYs, lead lab bring‐up and tuning, and develop automated test plans for chip and system level validation. The role involves working with real‐world RF/analog test equipment, performing ...

European Space Agency (ESA) at ECSAT in Harwell, UK, seeks a Senior 5G/6G NTN System Engineer (SatCom) to advance satellite‐terrestrial networks in a multinational team. You will contribute to 5G/6G architectures, NTN integration, AI‐enabled networking, and industry collaboration on innovative ...

Senior DevOps Engineer in the United Kingdom to join a growing team. You will build, deploy and run production systems across AWS, Kubernetes and VMware, collaborating with Development and Security to enhance customer experiences. You will drive automation, monitoring, and scalable, zero-downtime deployments while ...

Machine Learning Engineer to build production-grade AI agents and scalable ML-powered services. You will design, implement, and monitor agentic systems that automate complex underwriting decisions, collaborating with data scientists and software engineers in a fast-paced Data & AI unit. The role emphasizes robust architecture ...

ExTrac AI in London is seeking a Senior Software Engineer to join our engineering team. You will build and operate backend microservices, APIs, and data pipelines that power decision intelligence for governments and enterprises. You will own Go and Python services end to end, collaborate with ...

Associates is seeking a Senior Backend … Engineer to join a fast-growing fintech business operating in a highly regulated environment. You will own backend design, architecture and production systems, aiming for scalable, resilient services and robust incident handling. Collaborating with Engineering, Product and Operations, you will drive CI/CD, observability and reliability ...

Senior System Engineer , you'll support the technical delivery of a major Royal Navy simulation programme, working across the full systems engineering lifecycle. You'll collaborate with engineering teams, customers and stakeholders to develop, integrate and deliver complex technical solutions that meet programme and customer ...

Senior System Engineer, you'll support the technical delivery of a major Royal Navy simulation programme, working across the full systems engineering lifecycle. You'll collaborate with engineering teams, customers and stakeholders to develop, integrate and deliver complex technical solutions that meet programme and customer ...

United States Digital Space LLC in London is seeking a Senior Software Engineer to help build and scale cloud-based Wallet systems. You will own critical components, contribute to architecture, and drive delivery across the full software lifecycle. You will work hands-on across design, development ...

Science, Software Engineering, or a related field. 5+ years of professional experience in backend or fullstack software development. Proven experience delivering production‐grade backend systems at scale. Core Technical Skills Strong proficiency in Python as a primary backend language. Hands‐on experience with FastAPI and Pandas for building data … managing multiple priorities. Passion for writing clean, maintainable, and well‐tested code. Preferred Qualifications Frontend experience using React is a plus. Knowledge of SAP systems and integration patterns is advantageous. Familiarity with LLMs and AI/ML integration patterns is a plus but not mandatory. Experience working in cross ...

Global is seeking a Senior Software Engineer II to design, build and operate secure, scalable software across our global platforms. You will own complex technical challenges, collaborating with engineering, product and business stakeholders to drive measurable outcomes. You will design, implement and maintain services, contribute ...

Bell is seeking a Senior Infrastructure Engineer to design, deliver, support and maintain secure, resilient infrastructure across our technology estate. The role balances hands-on delivery with planning, technical leadership and stakeholder communication to ensure changes meet standards, controls and security expectations. You will own medium ...

leading fintech company in Greater London is seeking a Senior Software Engineer specialized in Infrastructure. The role involves deploying and maintaining software, automating deployment processes, and developing observability tools. Candidates should possess 5+ years of experience, a degree in a technical field, and proficiency in Python ...

Barclays in Glasgow is seeking a Senior Software Engineer to design, develop and improve software using a range of engineering methodologies to deliver scalable business capabilities for customers and colleagues. You will play a key part in driving innovation, ensuring high-quality solutions, and enhancing system ...

Jobtailor in London is seeking a Senior Software Engineer to join our Accounts & Card team. You will lead technical delivery, maintain high-performance standards for card-related products, and drive data-driven decisions across talented colleagues. You love to build new things but also ...

optimizes for efficiencies and never stops seeking improvements -- even small changes that can make a huge impact. You generate ideas, communicate recommendations to senior-level executives and drive implementation alongside facilities technicians. With your technical expertise, you ensure compliance with codes and standards, develop infrastructure improvements and serve ...

optimizes for efficiencies and never stops seeking improvements -- even small changes that can make a huge impact. You generate ideas, communicate recommendations to senior-level executives and drive implementation alongside facilities technicians. With your technical expertise, you ensure compliance with codes and standards, develop infrastructure improvements and serve ...

A leading electric vehicle manufacturer based in Greater London seeks an experienced Perception Engineer. The role involves developing machine learning algorithms that directly impact safety-critical self-driving features. Candidates should have a strong background ...

Indra Group UK & Ireland is seeking a Senior Software Engineer to contribute to safety-critical distributed ATM software. The role involves AI-assisted development and modern tooling to boost productivity and quality across the software lifecycle. Ideal … candidates will have a strong engineering background, 4–6 years in software development, and excellent English. Experience with real-time, safety-critical or distributed systems is valued, and remote-friendly options are available. #J-18808-Ljbffr ...

Citigroup Inc. in London is seeking a senior software engineer with a focus on Generative AI to own end-to-end tech components and production-grade systems. You will craft robust data extraction, classification, translation, and fraud-detection solutions, collaborating across risk, platform teams, and stakeholders ...

build scalable software. We seek a Senior Software Engineer (Java + Vue/Typescript) to design and deliver high‐quality systems, mentor engineers and influence technical direction across multiple projects. You’ll work across Edinburgh, Leeds, Manchester or London with flexible hybrid/remote options ...

build scalable software. We seek a Senior Software Engineer (Java + Vue/Typescript) to design and deliver high‐quality systems, mentor engineers and influence technical direction across multiple projects. You’ll work across Edinburgh, Leeds, Manchester or London with flexible hybrid/remote options ...