java software engineer jobs in London

Software Engineer (Application platforms/AWS/Python) London (On-site, London Farringdon office) Full-time, salary: £60,000-80,000 Job Summary Are you passionate about architecting the data and application platform that powers the next generation of AI products? Do you thrive on creating reusable frameworks and APIs that make entire engineering teams more...

You'll own how Luma's models get served — integrating new architectures into the inference engine, scaling deployments across thousands of machines, and keeping expensive GPU fleets busy while meeting internal SLOs.This is large-scale inference systems work: scheduling, fleet management, deployment pipelines, and reliability across clusters and hardware...

The Principal Software Engineer shapes and evolves our architecture using Distributed Domain Driven Design practices, ultimately ensuring the robustness and scalability of our systemsThey influence architectural directions, and through project-embedded consultationThey guide teams to leverage best practices and design patternsArchitecture Leadership: Drives...

ZeroRISC ZeroRISC is redefining silicon security and supply chain integrity by empowering device owners and operators in crucial sectors like silicon production, IoT, and critical infrastructure with full device ownership, control, and visibility. Led by the founders of the OpenTitan secure silicon project, ZeroRISC is driving commercial adoption of high...

Senior Software Engineer Join to apply for the Senior Software Engineer role at BBC JOB DETAILS JOB TITLE: Senior Software Engineer - iPages JOB BAND: D CONTRACT TYPE: Fixed Term (18 months), Full-time DEPARTMENT: Corporate Digital Applications LOCATION: London Broadcasting House or Remote PROPOSED SALARY RANGE: Up to £64,000 depending on relevant skills,...

This position will be posted for a minimum of five calendar days internally. All internal applicants are required to inform your current supervisor/manager prior to applying. Internal applicants are required to be in "good standing" in your current role, which is defined as a performance rating of "met all objectives" or higher. You cannot be on a current...

OverviewSenior Backend Engineer to join the Space and Range team at Holland & Barrett. In this role, you will help develop and enhance tools that shape how our stores are designed—from the overall layout to the placement of bays and shelves. These tools visualize store environments in 3D to provide teams with a near real-life view of the customer...

Senior Software Engineer – Node.js / Backend Development – London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast‑and‑scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small, but ambitious tech‑for‑good /...

We’re on a mission to solve some of today’s most complex hospitality challenges by building thoughtful, scalable solutions using an open and modern technology stack. Our goal is to create systems that make a real difference for our customers, our restaurant teams, and the communities we serve.Our ValuesAt Nando’s, our values guide how we work,...

Requirements Master’s in Computer Science (or equivalent experience) 4 + years building and operating large-scale or distributed systems Strong software-design instincts: modular code, tests, CI/CD, observability Fluency in Python plus one systems language (C++, Rust, Go or Java) Hands‑on with container orchestration and schedulers (Kubernetes / K8s,...

Senior Dynamics 365 CRM Engineer (.NET / SSIS)Location: UK Based (Hybrid)Rate: Competitive (Inside IR35)Duration: 6 months initially Role PurposeWe are seeking a highly experienced Senior Microsoft Dynamics 365 CRM Engineer to join our engineering team and play a key role in the delivery, enhancement and support of customer, CRM and data integration...

Our next round of hiring for this role will likely be in November. Applications are still open, but please be aware that you won't hear back until then.About AmodoAmodo is a hardware engineering company building the 21st century’s most important technologies. Our team of mechanical, electronic, firmware, and software engineers are trusted by world-leading...

If you’re looking for a career that will help you stand out, join HSBC, and fulfil your potential - whether you want a career that could take you to the top, or an exciting new direction, we offer opportunities, support and rewards that will take you further. We’re one of the largest banking and financial services organisations in the world, with a...

We're hiring DeFi Software Engineers for one of the leading DeFi trading operations in the world.The team is small, technical, and operates at the top of the DeFi space. These are pure individual-contributor roles, with a genuine path toward trader/developer hybrid positions for those who want it.What you'll doBuild and ship production systems that power...

As a Senior Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable, reliable, and secure. This role requires a blend of hands‑on coding, technical leadership, and...

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that they can run on their terms. Role...

Software Engineer (backend) Location: London or New York - in office 4 days a week About Lorum Global payments are not broken. Incentives are. Clearing has been deprioritized inside balance sheet driven institutions whose models rely on lending and interest. When liquidity takes priority over settlement, payments slow and certainty drops. The same financial...

Senior Software Engineer - Node.js, Typescript & AWS | Financial Services Location: London | Hybrid - 1 day onsite ; Salary: £75,000 - £ 105,000 About the role: We're looking for a Senior Software Engineer to join our engineering team and build reliable, scalable technology supporting regulated investment and custody services. You'll work in a highly...

Daintta are a rapidly growing, values-driven team of specialists who work with government clients across Cyber Security, National Security, Law Enforcement and Telecommunications. We are seeking a talented and motivated Embedded Software Engineer to join our team and contribute to our mission of protecting the UK through data-driven insights and solutions....

Our work centers on four pillars: AD/ADAS, our autonomous driving and advanced driver assist technologies; Arene, our software development platform for software-defined vehicles; Woven City, a test course for mobility; and Cloud & AI, the digital infrastructure powering our collaborative foundation. Business-critical functions empower these teams to execute,...