senior software engineer- java jobs in London

Senior Software Engineer, Custody ServicesLondon, UKJoin us in building the future of finance.Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you're ready to be at the epicenter of this historic cultural...

This range is provided by Workonomics. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.Base pay rangeSize | 2k globally, 280 in London (80 in Engineering, Design, Product)Level | Senior, or LeadAreas | backend infrastructure, distributed systems, data processingBased | London (Zone 1)Hybrid | 3 days a...

G MASS are currently looking for an experienced Software Engineer to join a leading Investment Manager client. This role sits within a core engineering team at the centre of a highly quantitative investment environment, supporting the technology and data platforms that underpin systematic trading strategies and advanced research. You will be working in a...

Northreach is a dynamic recruitment agency that connects businesses with top talent in cell & gene therapy, fintech, and digital sectors. We specialize in providing a seamless recruitment experience for clients and candidates, fostering innovation and professional growth. Senior Software Engineer Are you an experienced C#/.NET Core engineer looking to build...

We’re fixing the most broken process in business. Whether it’s SaaS, hardware, or contractors, a typical B2B purchase drags on for 3+ months, spawns 50+ emails, and pulls in multiple stakeholders across Finance, Legal, Security, and IT. Nobody likes it, and it slows businesses down. Omnea exists to change that. Our AI-native platform connects the people,...

The OpportunityJoin Attest at a pivotal moment: we're transforming how the world's leading brands discover and act on consumer insights. As a Senior Software Engineer on the Measure squad, you'll help grow and evolve Attest Measure, our quantitative survey platform that gives brands robust, at-scale consumer research — from survey design and fielding...

Senior Software Engineer – YC‑Backed Startup Located in London. This founding team role offers £90 K–£120 K plus equity. I'm working with an exciting YC‑backed startup in London that's just closed a multi‑million‑pound funding round and is looking for a Senior Software Engineer to join their founding engineering team. Despite being...

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We don’t chase hype cycles. We innovate, build and deploy responsible AI...

OverviewG MASS are currently looking for an experienced Software Engineer to join a leading Investment Manager client on an initial 6-month engagement. This role sits within a core engineering team at the centre of a highly quantitative investment environment, supporting the technology and data platforms that underpin systematic trading strategies and...

Join to apply for the Senior Software Engineer role at Lloyds Banking Group This range is provided by Lloyds Banking Group. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range JOB TITLE: Senior Software Engineer LOCATION(S): London HOURS: Full-time WORKING PATTERN: Our work style is hybrid,...

Build the engine room of a payments platform that actually understands money. Most payments companies are wrappers. Money goes in, money comes out, and nobody can tell you why a particular merchant got paid the amount they did, against which rule, on which day. Our client can. That is the whole product. We're partnering on a search for a well funded London...

• London | Hybrid working (2–3 days office) Our client is a fast-growing payments technology company who are transforming their sector. Due to continued platform growth and global demand for their technology, they are expanding their engineering team with a Senior Full Stack .NET Engineer who can play a pivotal role in shaping the next generation of...

Senior Software Engineer Salary: Negotiableplus benefits, pension (7% contribution), 25 days holiday & life insurance We are looking for senior software engineers with a range of levels of experience including designing and delivering software applications. We are a small but rapidly growing consultancy, owned by four highly experienced and recognised...

About our TeamOur team is a Shared Services team that provides API Platform capabilities to all of Elsevier. API teams can onboard APIs, manage their lifecycles and monitor usage. For public APIs, customers can create credentials through the self-service developer portal. The Platform also offers AI Gateways, enabling API teams to onboard MCP servers and...

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...

6 month contract initially, Outside IR35, Fully remote role (UK/Europe)A leading global consumer technology company is building products that prioritise safety, equity, and meaningful user experiences. They are seeking a Senior Backend Engineer with strong technical judgment, a high sense of ownership, and the ability to drive work forward even when...

Senior Software Engineer - Edinburgh, Hybrid Deep beneath the seabed, in wells running to hundreds of degrees and thousands of PSI, our client's wireless telemetry keeps operators seeing clearly. Their downhole monitoring technology feeds real-time pressure and temperature data up from environments most electronics can't survive, and the software you'd be...

Role Description Role- DotNet Developer Mandatory Skills : ASP.NET (Webforms), AWS EC2, C#, RabbitMQ Mode-3 Days from London Type-FTE As a Senior developer you will be responsible for the ensuring the team deliver high quality software using industry best practices for code management testing and CICD This is an exciting opportunity to build a new greenfield...

Senior Software Engineer (Embedded Systems)Location: West LondonWe are seeking an experienced Senior Software Engineer to lead the design, development, and delivery of advanced embedded software solutions for connected systems and communication technologies.This role offers the opportunity to work across the full product lifecycle, from requirements analysis...

Job DetailsDate Posted: 2026-09-24 Country: United Kingdom Location: London, London, City of Position Role Type: Onsite Senior Software Engineer Location: London Permanent Onsite Due to the interesting work we do and the sector this team is working in, we require all candidates to hold an active eDV clearance for this role.About usAt Raytheon UK, we take...