senior java developerin jobs in London

Our client is a major defence and aerospace company. Date Posted: 2026-09-18 Country: United Kingdom Location: Gloucester, South Gloucestershire Position Role Type: Onsite Our client have a full time, perm opportunity for a Senior Software Engineer to join our specialist teams in Manchester, Gloucester or London working fully onsite. As Senior Software...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

Senior Software EngineerAbout TripadvisorThe Tripadvisor Group connects people to experiences worth sharing, and aims to be the world's most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided marketplaces for...

Are you excited to build cloud-native applications that help shape the future of healthcare technology? Do you enjoy collaborating with cross-functional teams to create innovative solutions while continuously learning and growing your technical expertise? About our Team: The NPRE (New Peer Review Experience) team is part of Elsevier’s publishing technology...

Senior Software Engineer Location: Gloucester Permanent Hybrid/On-site (min 3 days per week on-site) Due to the interesting work we do and the sector this team is working in, we require all candidates tobe eligible and willing to obtain 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...

## DescriptionSenior Software EngineerAbout TripadvisorThe Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided...

OverviewAs the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad range of teams, roles, and cultures, and we invite you to come and join us!Citi's technology...

Senior Software Engineer (JVM, Kotlin) Simple Machines Hybrid · Full-time · London, UK About Simple Machines Simple Machines is a leading independent boutique technology firm with a global footprint across London, Poland, Sydney and New Zealand. We operate at the intersection of data, AI, machine learning, data engineering, and software...

Company DescriptionWe’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day.We are where the world checks out, enabling over 10 billion transactions yearly for more than one billion global shoppers.Whether you want to book a...

· Job Title: Senior Al Native System Engineer · Location: UK (Hybrid, 2-3 days/week WFO) · Duration: 6 months (Inside IR35) Job Description: The skill sets we are looking for are: - Systems engineering depth: Extensive experience designing complex software systems, distributed systems, data platforms or cloud-native services. - Al-native engineering...

Forward Deployed Engineer - Cardiff Our client is looking to hire a couple of experienced Forward Deployed Engineers to join their Growing AI & Software team. In this position, you will lead on the design, development, and deployment of advanced AI solutions that enhance operational efficiency and support business growth. You will work closely with senior...

We are seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with global trading desks. The ideal...

**Join Zepz: Breaking Down Borders, Together** **Our Meaningful Mission** At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech.Zepz is the power behind WorldRemit...

Guardian is seeking a Senior Android Developer to join the Apps Experience team. You will focus on Kotlin-based Android development, lead on projects, and collaborate across disciplines to deliver fast, reliable features for the Guardian app.You’ll work 90%+ in Kotlin, with some Java as needed, in a collaborative culture. The role includes leadership...

Our client is an established international financial services organisation looking for a hands on Senior Engineering Manager to lead several teams responsible for business critical applications. This is a senior leadership role with a strong technical focus and a clear mandate to modernise platforms and explore where AI can deliver practical value.You will...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Senior Low Latency Engineer Engineer the future of...

Forward Deployed AI Engineer - Cardiff Our client is looking to hire a couple of experienced Forward Deployed AI Engineers to join their Growing AI & Software team. In this position, you will lead on the design, development, and deployment of advanced AI solutions that enhance operational efficiency and support business growth. You will work closely with...

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Data Platforms team in the Chief Data & Analytics Office, you are an integral part of an agile team that works to enhance, build, and deliver trusted...

OVERVIEW: The D. E. Shaw group seeks a senior systems engineer with extensive Linux experience to join its Platform Engineering team. This is a hands-on, technical role within a global cross-platform engineering team responsible for the firm’s core technology infrastructure. This position offers the opportunity to be part of a collaborative and...

Entity: Technology Job Family Group: IT&S Group Job Description: Equal Opportunity Employer bp is an equal opportunity employer. We believe that diversity and inclusion drive innovation and are essential to our success. We welcome applications from all qualified individuals regardless of race, colour, religion, gender, sexual orientation, gender identity,...