101 to 125 of 212 Senior Systems Engineer Jobs in London

Just Eat Takeaway.com is seeking a Senior Machine Learning Engineer in a hybrid role based in Bristol/London. You will join a cross-functional team to grow product … algorithmic recommendations, evolving ML capabilities across the platform and taking ownership from discovery to production. You will mentor engineers and drive scalable, secure ML systems used by millions of customers daily. You will collaborate with Data Scientists, Product Managers and Backend Engineers, lead end-to-end ML system #J ...

Nebius seeks a Senior Machine Learning Engineer for its Applied AI team. Own model and endpoint optimization from artifacts to production deployment, spanning internals, quantization, and benchmarking to improve latency, throughput, memory use, and cost per token while preserving quality. Collaborate with kernel and platform engineers ...

Sentiro AIR is seeking a Senior Electronics and Hardware Engineer to lead hardware development, collaborating with software developers, designers and physicists to optimize sensors and hardware, and drive design from prototype to production. The role demands hands-on problem solving, willingness to travel internationally to meet ...

advanced AI-augmented managed extended detection and response services, helping businesses anticipate and contain modern threats. Applications are open for a Microsoft Security Engineer to join the Microsoft Cyber Engineering Team, implementing and supporting security technology for enterprise clients across Defender XDR, Sentinel, Entra, Purview, Intune, and Copilot … security-first mindset across all day-to-day activities, decisions and client interactions Skills/Must have: Solid background as a Security Engineer or SOC Engineer Experience with Microsoft Sentinel and other SIEM solutions (Splunk, Rapid7, LogRhythm, McAfee or equivalent) Strong analytical mindset with hands ...

Kharon is seeking a Senior AI Engineer, Retrieval & Agentic Systems, based in London. You will own and advance content discovery, redesign hybrid search capabilities, and build agentic experiences across large intelligence datasets. Collaborate with Product, DS, and Engineering while driving end-to-end solutions. ...

seeks a Senior C#.NET Electronic Trading Engineer to join a leading institutional digital asset firm. Build low-latency IRD trading systems with FIX connectivity, optimise for live trading, and collaborate with traders, quants and product teams. You will develop core server-side C#.NET components ...

LGBTQ+ business community. Please do not contact the recruiter directly. Senior, Forward Deployed/Full Stack Engineer (Document Authoring & Knowledge Systems ) About GSK Enterprise AI Enterprise AI is GSK's centre of gravity for applied artificial intelligence. We pair forward deployed engineers and full-stack … across the enterprise. You bring deep, hands-on AI/engineering expertise and the judgement to turn ambiguous technical problems into shipped, production-grade systems, while mentoring the engineers around you. Key Responsibilities This role will provide YOU the opportunity to lead key activities to progress YOUR career. These ...

Kharon is seeking a Senior AI Engineer, Retrieval & Agentic Systems, based in London, with hybrid work (3 days/week). The role focuses on advanced content discovery, retrieval, and narrative generation. Collaboration across Product, Data Science, and Engineering is essential. We welcome candidates with ...

ClearSpace seeks a Senior Electrical System Engineer in London to lead electrical system design across current missions and future programmes. You will shape avionics architecture, interfaces, and system-level integration, collaborating with subsystem and software engineers throughout the mission lifecycle. The role requires 5+ years ...

Provntalent is seeking a Senior Java Trading Systems Developer to advance its electronic trading technology. You will design, build and optimize Java-based trading systems, impacting order routing, execution and lifecycle processes across multiple markets. The ideal candidate brings deep experience in electronic trading or capital ...

Responsibilities: Architect, develop, and productionize autonomous and assistive AI agents to enhance operations. Design multi-agent systems, including role definition, tool integration, planning, memory, and workflow orchestration using modern agent frameworks. Implement Retrieval-Augmented Generation (RAG) pipelines and semantic search with vector databases, including indexing, retrieval policies, and evaluation. … Build and integrate agent tools and APIs to connect agents with external services, databases, and internal systems, ensuring robust output parsing and error handling. Practice advanced prompt engineering and implement output validation and guardrails to reduce hallucinations. Design microservices-based architectures and orchestrate multi-step workflows; instrument agents ...

instrument architecture, making pragmatic engineering decisions that balance performance, reliability, speed of development, and cost. Key responsibilities Lead the design and hardware implementation of systems for biochemical workflows. Translate biological workflows into hardware and software requirements. Design and prototype subsystems including thermal control, liquid handling and motion systems. Integrate … experience and/or EngD in related disciplines. Experience developing complex hardware products from concept through prototype to deployment. Hands-on experience with electromechanical systems, automation, robotics, laboratory instrumentation, or scientific equipment. Ability to design, build, test, and troubleshoot systems independently. Experience with embedded systems, control software ...

Join an exceptionally strong engineering team – from companies such as Google, Amazon, Facebook and Microsoft. We’re seeking a well‐rounded Linux oriented Sr. Systems Reliability Engineer (SRE) with a passion for working on complex systems. You’ll need good communication skills as well as technical skills … European support team Skill Set (Requirements): At least 10 years of relevant overall experience with strong hands‐on Linux system administration. Background with distributed systems, databases and performance analysis. Excellent scripting skills for debug and automation (Python knowledge is a strong plus). Some server hardware troubleshooting. A fire ...

Huxley is seeking a Senior Python Engineer in London to design, develop and enhance batch processing and operational systems supporting one of the world’s leading exchange operators. You’ll build robust Python applications and collaborate with product, BD and sales teams. You will champion … clean architecture, maintainable code and rigorous testing, contribute to R&D on emerging technologies, and support production systems as part of a rotating on-call rota across a global engineering #J-18808-Ljbffr ...

companies uncover hidden savings, validate protection, and maximise ROI from their existing security investments. The organization is currently on the lookout for a Senior Cyber Security Engineer to join a growing security function, stepping into a role with real ownership from day one. The ideal candidate … Netskope, Microsoft Purview/Defender/Sentinel, and Rapid7, while engaging directly with customers and stakeholders with minimal onboarding. Responsibilities: Act as a senior technical point of contact for customers, engaging confidently and independently from day one Design, implement, and support SASE/SSE deployments (Zscaler and/ ...

Capital Group is seeking a Senior Software Engineer to turn ambiguous problems into working AI solutions that improve investment processes and business outcomes. You will lead discovery, design the approach, write the code, and own it in production. This hands-on engineering role requires comfort ...

CreateFuture is seeking a Senior Fullstack Engineer to design and deliver scalable software in Go and React. You will influence technical direction, mentor engineers, and help embed AI and automation into client delivery. The role blends hands-on coding with architectural leadership and cross-team collaboration. ...

Brompton Bicycle Limited is seeking a Senior Firmware Engineer in Greenford, UK, to develop embedded software for Brompton Electric products across prototype, production, and manufacturing stages. You will design and test software, collaborate with cross-functional teams, and contribute to code reviews in an agile environment ...

Keyrock is seeking a Senior Rust Engineer to own and optimize high‐frequency trading infrastructure within our Capital Markets division. The role requires deep expertise in Rust, low‐latency design, and a proactive approach to reliability and operability. You will work with a global, fully‐remote ...

Capsa in London is seeking a Senior AI Engineer to build the AI systems at the heart of a platform used by leading private equity firms. You will design, ship, and improve agents that research companies, analyse documents, and cite every claim, owning the harness ...

Recruitment Ltd is seeking an experienced Security Systems Service Engineer to cover East London and surrounding areas on a long-term contract. You will service and maintain access control, CCTV, door entry and intruder alarm systems across commercial and residential sites, performing fault diagnosis and timely ...

EducationPals in London is looking for a Senior Software Engineer – Fullstack to join our Product Management & Engineering team on the UK hybrid basis. … will contribute to scalable backend and polished frontend, shaping the Next-Gen education platform. You will collaborate with cross-functional teams to design robust systems, implement API contracts, and ensure high quality through automated testing and code reviews. #J-18808-Ljbffr ...

Sightsolutions Ltd. is seeking a Senior Smart Buildings and IoT Engineer to join the Major Projects team in London. You will scope, design and implement cutting-edge smart building solutions for enterprise clients, primarily on construction projects, with some direct client work. You will lead project ...

Senior UX Engineer to bridge design and frontend development, delivering accessible, high-performance experiences. You will lead prototyping, champion design systems, and mentor teammates in UI engineering best practices. Responsibilities include translating designs into production-grade code using React/Next.js, driving UX discovery sessions ...

financial services company in Greater London is seeking a Senior AI Engineer to design and deliver AI systems integral to their business processes. This hands-on role involves building production-grade solutions utilizing LLMs and agentic systems, contributing significantly to the technical direction … architecture. Applicants should have proven experience in delivering AI systems end-to-end and a strong grounding in software engineering principles. The company offers a range of employee perks, including a generous holiday policy and private medical insurance. #J-18808-Ljbffr ...