java software engineer jobs in London

Head of Software Engineering - Contract3 months | £600-£650 per day | Inside IR35Hybrid: 2 days per week in London | Start ASAPWe're partnering with a large, complex and purpose-driven organisation undergoing a major technology and engineering transformation to get an experienced Head of Software Engineering contractor.You’ll lead a multidisciplinary...

Senior Software Engineer £75,000 GBP Hybrid WORKING Location:Cambridge, East of England - United KingdomType:PermanentAn innovative cyber security technology business is seeking talented Software Engineers specialising in C++ or Rust to help develop next-generation network security products protecting some of the world's most critical digital...

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...

Help us use technology to make a big green dent in the universe! Kraken powers some of the most innovative global developments in energy. We create the technology that redefines utilities and unlocks a new energy system of the future. By optimising renewable generation, building a more intelligent grid, and empowering utilities to deliver an exceptional...

Client:BAE Systems Job Type:Contract Job Title:Lead Software Engineer Location:Cowes - Isle of Wight Hourly Rate:£54.57 PAYE OR £73.68 Umbrella inside IR35 Duration:6 months Working Arrangements:Full-time on-siteKey Responsibilities : Apply experience to design & develop sub-system solutions, resolve engineering issues and problems, and provide guidance to...

Are you looking for a new challenge? Fancy helping us shape the future of motor insurance? Prima could be the place for you.  Since 2015, we’ve been using our love of data and tech to rethink motor insurance and bring drivers a great experience at a great price. Our story began in Italy, where we’ve quickly become the number one online motor insurance...

Programme starts: June 2027Duration: 12 WeeksPlease review all the internship opportunities and make one application  Our Software Engineer Summer Internship has been crafted so that you can understand what a career in the Post Trade Solutions (PTS) engineering team at LSEG would really be like. In the internship you will work on projects solving real...

Meta is seeking talented engineers to join our teams in building cutting-edge products that connect billions of people around the world. As a member of our team, you will have the opportunity to work on complex technical problems, build new features, and improve existing products across various platforms, including mobile devices and web applications. Our...

We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world-class researchers and engineers in an environment that values deep exploration and methodical execution - because the best ideas take time to evolve. Together we’re building a world-class platform to...

4 hours ago Be among the first 25 applicantsA world-leading global systematic hedge fund and trading company is looking for a Software Engineer in risk.Responsibilities:Build tools and infrastructure to support Risk Managers and Risk Analysts.Extend and optimize the operational framework used for monitoring and disseminating risk across the firm.Collaborate...

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...

A leading UK-based tech company is advancing research through innovative software solutions. The company delivers ethically sourced human data at speed, enabling academic, commercial, and AI-driven teams to generate actionable insights. With a strong engineering culture and fully remote setup, it empowers engineers to tackle complex problems and make a...

Fuse Energy is an energy startup on a mission to make energy abundant and affordable, fast. We combine first-principles thinking with cutting-edge technology to build a radically better energy system. We've raised over $200M from top-tier investors including Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, 20VC, Hummingbird and Collaborative Fund,...

Software Engineer Backend Department: Dev & Engineering Employment Type: Full Time Location: United Kingdom Description About Intermedia Are you looking for a company where YOUR VOICE is heard? Where can you MAKE A DIFFERENCE? Do you THRIVE in a FAST-PACED work environment? Do you wake every morning EXCITED to work with GREAT PEOPLE and create SUCCESS...

Company DescriptionCheckout.com – you might not know our name, but companies like eBay, ASOS, Klarna, Uber Eats, and Sony do. That moment when you check out online? We make it happen. Checkout.com is where the world checks out. Our global network powers billions of transactions every year, making money move without making a fuss. We spent years perfecting...

Get AI-powered advice on this job and more exclusive features.Connecting Retail Leaders With The Industry’s Best Technology & Transformation Talent | Retail Executive Search | Building The Retail Technology…The Brand:WeTech have partnered with one of the most innovative brands in the premium and luxury beauty & cosmetics space. This brand operates as an...

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 /...

Agentic Software EngineerLondon · Full-time · On-siteTL;DRAI is collapsing the time and effort required to turn ideas into working software. We're redesigning how we build around that — using agents across the software lifecycle and enabling more of our team to ship changes directly.We're hiring an experienced software engineer who is already pushing...

About Pleo Messy spend management is tricky business. And tedious processes are a lose-lose situation for all involved, not just finance. At Pleo, we're changing that. We build spend solutions that make managing money seamless, empowering, and surprisingly effective for finance teams and employees alike - with a vision to help all businesses ‘go...

Are you passionate about leading large-scale engineering organisations and shaping the future of research analytics through data, AI and modern platform engineering? Do you enjoy developing engineering leaders, driving technical strategy, and delivering innovative solutions that help researchers make better decisions? About our Team SciVal is Elsevier’s...