Zaizi Ltd in London is seeking a Senior Full Stack & Systems Engineer to join Defence delivery. You will build mission-critical web applications and API backends for MoD programmes, while contributing to edge and TAK platforms.You will work...Read More>>.

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...Read More>>.

UK | Full-TimeThe Mission: Source.devOur founders spent over a decade at Google shaping the Android operating systems - building and shipping the software that now runs on billions of devices. They didn't just...Read More>>.

Cloudflare is seeking an experienced engineer to join the Front Line group in London, focusing on increasing availability, safety, and reliability of the edge ecosystem and helping to build the world’s best web server.You will collaborate...Read More>>.

Shield AI is seeking a seasoned C++ engineer to lead the development of high-performance software for complex systems and simulations. You will architect scalable solutions, integrate diverse third-party software and hardware, and mentor engineers...Read More>>.

Wayve in London seeks a Staff Validation Engineer to lead validation for the Wayve AI Driver's ADAS functions. You will collaborate with systems engineers and data scientists, leveraging simulation tools and industry standards to ensure validation...Read More>>.

Tesco Technology in Greater London is seeking a senior systems engineer to lead the design, delivery and evolution of collaboration and productivity platforms. You will own the technology strategy and execute roadmaps across Microsoft 365, collabo...Read More>>.

Selby Jennings is seeking a technically ambitious engineer to design, build, and optimise high-performance, latency-critical systems. You will own features from design through production in a greenfield project within a small elite team.The...Read More>>.

GRAIL, a healthcare company pioneering early cancer detection, is seeking a Staff Software Engineer for the Data Team in London. You will own systems that produce trusted, analysis-ready datasets across research and clinical programs, delivering d...Read More>>.

DRW is a diversified trading firm with a global footprint and a culture that emphasizes autonomy, integrity, and innovation. We are seeking a Trading Systems Engineer to work closely with trading, infrastructure and software development teams to p...Read More>>.

DRW Holdings, LLC. in London is seeking a Software Engineer for Cumberland/FICCO Front Office Systems. You will join the Technology department and work on embedded desk deployments and a central trading platform.The role involves delivering...Read More>>.

MARGO is a technology-focused consultancy delivering elite software engineering to demanding financial markets in the UK. The role centers on building latency-critical trading infrastructure, with emphasis on speed, determinism, and control of exe...Read More>>.

Smarkets, a leading prediction-market technology firm, is seeking an experienced backend engineer to design and build scalable services in Python and Rust. You will drive distributed system architecture in cloud environments, push CI/CD best pract...Read More>>.

Cloudflare is seeking a skilled engineer to work on Quicksilver, Cloudflare’s globally distributed key-value store. You will write Go features, review PRs, and help ensure edge data delivery is fast and reliable.You’ll tackle challengin...Read More>>.

Trading Ops & Risk Systems Engineer (AI & Automation) We are seeking a highly analytical and technical professional to spearhead the evolution of our trading infrastructure. This hybrid role combines the fast‑paced execution of a Tra...Read More>>.

Applied Intuition is seeking a Systems Engineer to join the UK Engineering team. You will define system requirements, design architectures, and integrate Applied Intuition technology onto autonomous vehicles and defence systems.You’ll wor...Read More>>.

SYSTRA UK & Ireland is expanding its Systems Engineering and Assurance capability in London and across the UK. The role focuses on requirements management, V&V, and technical assurance for major rail and transport projects.You will work wit...Read More>>.

Selby Jennings is assisting a technology-driven trading firm to hire a Python Software Engineer in London. The role collaborates with traders, quantitative researchers and engineers to build business-critical trading systems, real-time pricing, ex...Read More>>.

Meridian Space UK Limited is seeking an experienced RAN & Core Integration Engineer to design, build and automate our 5G NTN testbed and the upcoming Space Lab. This hands-on role blends network integration, lab architecture and automation to vali...Read More>>.

EC1 Partners in London seeks a candidate to support and enhance OMS/EMS platforms, configuring and optimising trading workflows. You will liaise with operations and product teams to troubleshoot production issues and support system releases....Read More>>.

We are looking for Systems Engineering Consultants at a range of grades, with a specialist background in Mechanical Engineering, Nuclear Systems and Operations, Ship/Submarine Systems, or Naval Architecture. Ideally, you will have gained experienc...Read More>>.

ClearSpace in London is seeking a Senior Electrical System Engineer to join our Electrical team, focusing on avionics architecture, interfaces and system-wide integration across current missions and future programmes.You will contribute fro...Read More>>.

Ambition is looking for a Software Engineer to design and build high-performance systems for live trading environments. This role involves creating scalable solutions for complex risk calculations and collaborating closely with risk managers and q...Read More>>.

Domera Labs is building Ami, the first AI companion for seniors, a hands-free device with no screen and no IT support required. The team works across hardware, software, and frontier AI to create a human-centered interface that helps alleviate lon...Read More>>.

慨正橡扯 is seeking a Lead Developer to design and deliver real-time and time-series data platforms within the investment management technology team. This role requires significant engineering expertise combined with domain knowledge to lead c...Read More>>.

At Technip Energies, we believe in a better tomorrow and we believe we can make tomorrow better. With approximately 18,000 talented women and men, we are a global and leading engineering and technology company, with a clear vision to accelerate...Read More>>.

83zero Ltd in London and the South UK is seeking a Senior Systems Engineer / Pre-Sales Specialist to lead the technical aspects of the sales cycle across the region. This is a home-based role with customer travel.You will partner with the f...Read More>>.

Hive is building an AI platform for industrial machines and is hiring engineers with deep expertise in AI/ML, robotics and embedded systems.We regularly hire across AI/ML, robotics and controls, computer vision, embedded systems, firmware,...Read More>>.

HDR seeks an Associate Electrical Engineer in Glasgow to lead power system studies, develop detailed designs, and mentor a growing power team. You will work with high-profile clients on data centres, renewable integration and grid-related projects...Read More>>.

Frankenburg Technologies is actively seeking an Experienced Systems Engineer to lead complex missile and weapon system projects from concept through deployment. You will guide architecture, requirements, verification, and risk management across in...Read More>>.

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Jacobs is seeking a Senior Power System Engineer in the UK to lead and deliver complex studies across generation, transmission, distribution, renewables, and storage. You will model, verify and analyse power systems, support proposals, and interac...Read More>>.

Verition Fund Management LLC is seeking an experienced engineer to join our Treasury engineering team in London. You will design, build and maintain systems to calculate margin requirements, financing costs, and funding across asset classes, and y...Read More>>.

HCLTech is seeking a senior IT professional in London with 10+ years of experience in Windows Server administration, VMware vSphere, HP/Dell hardware, and AWS. The role focuses on on-call support, incident/problem/change management, SLA adherence,...Read More>>.

Sustainable Infrastructure seeks a Power Systems Engineer in the United Kingdom to own sophisticated electrical network design and analysis for data centres and critical infrastructure projects. You will lead the design, modelling, and delivery of...Read More>>.

Genesis Energies, a global unit of Technip Energies, seeks a seasoned Subsea Production Systems engineer to join the Subsea and Pipelines team in the UK. You will deliver subsea production systems across phases, including installation, commissioni...Read More>>.

RED ENGINEERING DESIGN LIMITED in London, Newcastle or Bicester seeks an Associate Electrical Engineer to lead DC power systems for AI-ready data centres. The role develops in-house DC design capabilities and reference designs, collaborating with...Read More>>.

Brightsmith is seeking a Senior Process Engineer to scale hydrogen technology from R&D to industrial, containerised modules. You will own the overall system architecture, uniting process, mechanical, electrical, controls and safety into an integra...Read More>>.

Model ML is seeking a senior software engineer to own large portions of AI agent infrastructure, including multi-agent systems, RAG pipelines, and evaluation frameworks. You will deliver AI-powered features into production at scale, ensuring perfo...Read More>>.

mthree is seeking a Python Developer to join its Front Office FX Options Technology team at a leading global investment bank. You'll work closely with traders and developers to build high-performance trading systems using big data and algorithmic...Read More>>.

H is building a high-performance infrastructure team to power AI research and agent development. You will design and manage scalable infrastructure, focusing on observability, deployment, and reliability to support research efforts and product eng...Read More>>.

Synergize Consulting Ltd is seeking a DV Cleared Systems Engineer to join a small, specialist team responsible for design, build, security and documentation of distributed infrastructure.This hands-on and design-oriented role requires a tec...Read More>>.

Helsing in London is seeking a Systems Engineer to drive end-to-end delivery of software-intensive capabilities. You will own the full V-cycle from requirements to release, collaborating daily with software architects, AI engineers, and hardware d...Read More>>.

Forescout is seeking a Senior Systems Engineer to drive technical strategy across the sales cycle, aligning customer needs with Forescout capabilities. You will engage with enterprise customers, design solution architectures, and run technical wor...Read More>>.

Are you a self-starter with strong networking and virtualization skills with a deep understanding of Service Providers and their unique needs? Do you excel at building strong relationships with customers who are also your partners? consider joi...Read More>>.

Nexus, a London-based AI and manufacturing startup, is seeking an ML engineer to deploy and optimize large-scale AI systems. You will work on multi-modal data processing and real-time inference for critical components in aerospace, medical, and au...Read More>>.

Our client in the aerospace/defence sector is seeking a Senior Systems Engineer to drive MBSE-based product development from concept to detailed design, development and testing. You will own system architecture, interfaces and verification strateg...Read More>>.

CBSbutler in London is helping a global information security technology business recruit Electronics Systems Engineers. The role focuses on hands-on hardware development from concept to tested product, with an emphasis on high-speed PCBs, signal i...Read More>>.

SPAICE is building geospatial intelligence and autonomous navigation systems for vehicles in GNSS-denied environments. As a Robotics & Embedded Systems Engineer, you will own the hardware, embedded software, and onboard runtime that enables Spatia...Read More>>.

Cloudflare is seeking a Senior Software Engineer for Application Security in London. You will design and implement scalable security-focused systems using Go or Rust, review RFCs, and contribute across engineering teams.The role requires 5+...Read More>>.