java software engineer jobs in London

OverviewTL;DR This role is for you if you thrive on variety and love tackling the messy, real-world challenges that come from integrating software with hardware. You’ll also be passionate about bringing robots to life. No two days will be the same, but you can expect to:Solve challenging software problems end-to-end: spec, implement, test, and maintain...

Safety Software Engineer Location: London (relocation costs covered) Salary: £75K - £85K + Benefits Safety Software Engineer required by an innovative technology business working at the forefront of AI-enabled medical devices and software! You'll join a specialist team assessing the software development processes and technical evidence behind cutting-edge...

Staff Partner Engineer | London (Hybrid, 3 days on site) | Up to £640/day Inside IR35 | 6-month contract I'm working with a global streaming platform that's growing fast across devices and channels, and they need a hands‑on senior engineer to own their most important partner integrations. What you'll be doing: Leading technical integrations with device,...

Salary: £47,000 - 87,000 per yearRequirements:Applicants must be redeployee applicants at City St Georges; applications from others will not be considered at this time.Responsibilities:Design, develop and document a web-based Data Repository, including back-end services, APIs and front-end applications for uploading and downloading monitoring data.Work with...

About Arondite Arondite is a defence technology company building the foundational software and AI to power the autonomous age. Our aim is to revolutionise the way organisations collaborate with sensors, robots and autonomous systems and use the data they generate. We are driven by our determination to help defend our collective democratic values and by our...

Software Engineer – Quality AssuranceMy client is a high-frequency proprietary trading firm seeks a Software Engineer to join the Engineering Productivity team.The Engineering Productivity team helps reduce the time from concept to deliverable by providing our development teams with the tools, practices and support to increase their productivity while...

Software EngineerLocation: GloucesterPermanentOnsiteDue to the interesting work we do and the sector this team is working in, we require all candidates to be willing to obtain and eligible to hold SC and eDV clearance.Whilst on the SC clearance, you are able to work on a hybrid basis with 3 days per week on site. Full time on site would be required when eDV...

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,...

We’re looking for several Senior Software Engineers to join an AI leader in governance, risk and compliance. You’ll be building software that matters, taking real technical ownership, and using modern AI tooling to do your best work. This is a hands-on senior engineering role for someone who enjoys solving complex product problems, shaping robust...

Spectrum IT Recruitment is working with an innovative technology business at the forefront of 5G and wireless communications. They're looking for a Senior Software Engineer to join their software team in Southampton.This role would suit an experienced engineer whose main focus is C or C++ software development, particularly in multithreaded or...

Job Title - Software Engineer III (Innovation Engineering) Description - Turn ambitious ideas about the future of learning into working evidence, fast. Join Pearson Labs to prototype with AI and emerging technology, test what matters with real users and help shape where Pearson invests next. Also known in the market as: Innovation Engineer; Prototyping...

This is a hands-on full-stack engineering role where one person owns big pieces of an internal platform that runs a physical lab. The work spans scheduling experiments, controlling instruments through software, and showing live lab status to scientists and AI agents. A strong candidate has shipped production web products, can turn a loose goal into a plan,...

Job SummaryDeveloping highly mathematical code in Java in the heart of LondonCentral London; to £70k DoEBased in central London, this company are developers of a mathematical toolkit used by clients worldwide to solve complex numerical optimisation problems. Their unique software tackles real-world challenges in the energy sector, enabling more streamlined...

Software Engineer – Data Platform TeamThe driving force behind Big Data at MimecastOverview Dive into the forefront of innovation with our Data Platform engineering team, where we process massive volumes of data to delight our customers with insights they love and fuel ML models with trusted data! Our pioneering Data Platform pushes on the boundaries of...

Staff Software Engineer – Platform & Distributed Systems We are looking for a Staff Software Engineer to help lead the evolution of a highly scalable distributed data platform powering large-scale enterprise systems. This role is ideal for someone who enjoys solving complex backend and infrastructure challenges, influencing technical strategy, and...

Why Sony Interactive Entertainment? Sony Interactive Entertainment isn’t just the Best Place to Play - it’s also the Best Place to Work. Sony Interactive Entertainment (SIE) is the company behind the PlayStation brand. As a subsidiary of Sony Group Corporation, we’re part of a proud legacy of innovation and excellence. SIE is a dynamic technology...

Software Engineering Manager – Reminders | London or Manchester – Hybrid (1–2 days per week in the office) | Competitive Salary + BenefitsAbout the RoleWe’re looking for a Software Engineering Manager to lead our Reminders engineering team at Moonpig. This is a hands‑on, hybrid role based in London or Manchester, with 1–2 days per week in the...

About the Company We are a product‑focused tech company working to automate administrative processes in the NHS. Our first product, Automated Registrations, is used by 24 % of GP practices in England. What We’re Looking For Operating at a senior or lead level with 5+ years of experience, particularly in React and TypeScript. Experience in a startup or...

About CircuitHubCircuitHub is reshaping electronics manufacturing with The Grid, a factory-scale robotics platform that makes small-batch, high-mix electronics assembly radically more efficient. Think semiconductor-fab precision applied to the chaotic world of prototyping and low-volume production: a 10x throughput improvement in one of the world's most...

We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s most broken consumer experiences: the legal process behind property transactions.This market is large, fragmented, and outdated, with high failure rates, poor transparency, and processes still reliant on manual workflows. The company is...