176 to 200 of 259 Senior Systems Engineer Jobs in England

Civica Election Services is hiring a Senior Software Engineer to lead development on the Civica Polling Station app. You will work across public cloud products and maintain existing Election software, solving issues and delivering new features. The role requires 5+ years of experience with .NET Core ...

WeDoTech is seeking a Senior Backend … Engineer in London to join a high-growth AI startup. You will design and implement high-performance Python services, build scalable distributed systems, and own backend architecture from design to production. You'll collaborate with founders, customers and engineers to solve complex problems and shape the platform ...

CommonAI CIC, a non-profit membership organisation, is seeking a Senior AI Systems Administrator to provision and maintain multi-rack GPU server clusters for inference and training workloads in Cambridge. The role blends high-end hardware with software orchestration and collaborative engineering across teams. You will work … with cutting-edge AI tooling, optimise systems, and support users with scalable, robust infrastructure during UK business hours. #J-18808-Ljbffr ...

CMTG Group is seeking a Senior Software Engineer in the UK to design, develop and deliver robust software for safety-critical industrial applications. You will contribute to architecture, lead technical decisions, and mentor teammates within an Agile team, driving quality and reliability across products. The role ...

Selection seeks aSenior engineer to join a multidisciplinary team in Guildford. You will contribute to developing effective technology solutions for UK government clients, combining software with hardware components and leading project efforts. The role requires mentoring junior engineers, driving project direction, and maintaining strong client communications through reports ...

Capsa in London is seeking a Senior Fullstack Engineer to own the backend powering an AI platform used by leading PE firms. You will design and build scalable services, implement agentic workflows, document ingestion, search, and APIs, and take … features from idea to production. You will work across the stack with startup veterans, receive meaningful equity, and have the opportunity to ship impactful systems at pace in a high-performance environment. #J-18808-Ljbffr ...

seeking a Senior Software Engineer in Cheltenham to tackle mission-critical challenges. You'll be responsible for designing and evolving systems while delivering top-notch software solutions. A competitive salary ranges from £50,354 to £60,036, with additional bonuses and training opportunities. Ideal candidates ...

seeking a Senior Software Engineer in Cheltenham to tackle mission-critical challenges. You'll be responsible for designing and evolving systems while delivering top-notch software solutions. A competitive salary ranges from £50,354 to £60,036, with additional bonuses and training opportunities. Ideal candidates ...

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 ...

CMTG Group, a global leader in condition monitoring and vibration analysis, seeks a Senior Software Engineer to design, develop, and deliver robust software for safety-critical environments. You will lead architectural discussions, implement high-quality solutions, and mentor peers in an Agile setting across our North ...

seeking a Senior Software Developer to join our Engineering team in London. You'll design and optimize low-latency data processing systems that execute automated trading strategies. A dynamic environment fosters collaboration and innovation, where your contributions significantly impact our success. The ideal candidate will have strong ...

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 ...

Equities Technology team seeks a Software Engineer to join the Electronic-Execution platform. You’ll design and deliver low-latency, high-throughput systems for ECN trading, including SOR, dark pool, and market data components. You will work cross-functionally with product development, research, and QA, embracing Agile ...

Winton is seeking a Senior Software Engineer to design, build and evolve resilient, event-driven, cloud-distributed systems. This role spans the full engineering lifecycle from architecture to deployment, leveraging AI-assisted tooling to balance innovation with delivery. You will join a collaborative team responsible … post-trade and reporting software, working closely with operations, fund accounting, and senior management to translate business problems into robust technical solutions. #J-18808-Ljbffr ...

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 ...

Perk Inc. is seeking a Senior … Engineer to design and run AI-powered outbound workflows. You will build Clay tables, AI enrichment pipelines, and signal-based prospecting systems integrated with Salesforce and Outreach. The role blends data engineering with revenue operations to advance Perk's GTM engine. You'll work with Sales leadership ...

Sword Group in the United Kingdom is seeking a Senior OT Engineer to deliver cyber security solutions across complex Operational Technology environments. You will work with engineering, cyber security, architecture and operations teams through the design, implementation, testing and assurance of security controls in OT settings. ...

made. The ideal candidate will have a passion for technology and thrive in a fast-paced environment. Our team is developing tools and systems using modern software techniques. We need software engineers who excel at building robust software systems to solve challenging problems at scale. The ideal candidate … complex software with modern C++ over embedded systems. Implement, deliver and refine Arene SDK software components for users to interact seamlessly with the vehicle systems Design and implement abstraction layers to enable hardware-agnostic software platforms using modern C++ concepts Collaborate with global teams to accelerate and improve Arene ...

ExTrac, a decision intelligence company, is seeking a Senior Software Engineer to build and operate backend microservices, APIs, and data pipelines at scale. You will work across Go and Python services, databases, and cloud infrastructure, collaborating with AI, frontend, analysts, and product teams to deliver robust ...

UnderwriteMe is seeking a Senior Machine Learning Engineer to design, build, and deploy advanced LLM-based and agentic systems for medical records and application data. You will own evals, guardrails, and end-to-end production readiness in a fast-paced, cross-functional environment. You will ...

Warner Bros. Discovery is seeking a Senior DevOps Engineer to shape the technical backbone of Rocksteady's Unreal Engine 5 project. You will ensure fast, reliable pipelines … tooling for developers across the studio, collaborating with engineers and content creators in a hybrid London-based role. The position emphasizes owning automation, build systems, and scalable infrastructure, with opportunities to advance at the intersection of engine programming and developer infrastructure. #J-18808-Ljbffr ...

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 ...

Research seeks a Senior Research Engineer to join its AI Research team in London. You’ll work on technology and systems that power frontier biology-focused AI research, from accelerators to distributed training pipelines and experiment frameworks. You’ll help shape what research is possible ...

will work closely with senior engineers and cross-functional teams to drive improvements, implement best practices, and ensure the reliability of the systems powering our global payment network. Key Responsibilities: AWS Infrastructure Engineering: Design, build, and maintain AWS services at scale, including … Cloud. Automate deployment workflows, testing, and release processes to improve delivery speed and reliability. Monitoring, Observability & Reliability: Build and enhance monitoring, logging, and alerting systems using CloudWatch, Datadog, and other observability platforms. Contribute to SRE-style initiatives to improve system resilience, scalability, and fault tolerance. Security & ComplianceImplement and enforce ...

computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials … Orchestration team in System Software at Oxford Ionics. In this role, you will be responsible for building and operating the software that keeps our systems calibrated, decides what they do next and keeps the record of what they did, contributing to the team's mission of keeping our quantum ...