java programmer jobs in London

Senior React & .NET Technical Lead Opportunity6-Month Contract | Hybrid (London Waterloo) We're seeking a highly experienced Senior React & .NET Technical Lead to join a major transformation programme, helping drive the migration of an existing application into a modern React-based architecture. This is far more than a traditional development role. You'll...

Osborne Clarke Solutions (OCS) helps clients articulate their innovative vision, the roadmap for delivery, and means of measuring success. We then help deliver on that, by focusing on the pain, not over-engineering, and enabling early helpful progress. As a team we are a diverse set of skills and backgrounds encompassing legal expertise, technology...

UK CITIZENSHIP REQUIRED FOR THIS POSITION: YesRELOCATION ASSISTANCE: No relocation assistance availableTRAVEL: Yes, 10% of the TimeGraduate Software EngineerSalary: £32,500Programme start date: September 2027Citizenship required: UK citizenship requiredSecurity clearance: Security Check (SC)Travel required: Approximately 10%Location: New Malden,...

At Graphcore, we’re building the future of AI compute. We’re a team of semiconductor, software and AI experts, with deep experience in creating the complete AI compute stack - from silicon and software to infrastructure at datacenter scale. As part of the SoftBank Group, backed by significant long-term investment, we are delivering key technology into...

Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We foster strong partnerships with global technology leaders including...

We're recruiting on behalf of a leading financial firm that leverages cutting-edge technology to deliver liquidity to global markets and innovative, transparent trading solutions to clients. As a market maker, our client provides deep liquidity that helps create more efficient markets around the world, with market structure expertise, broad diversification,...

DescriptionMethods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based, we apply our skills in transformation, delivery, and collaboration from across the Methods Group, to create end-to-end...

Technology Lead - AWS Modernisation Programme 6-Month Contract Outside IR35 £400-£450 per day Fully Remote We're supporting a consultancy delivering a major cloud transformation programme and are looking for an experienced Technology Lead to drive the modernisation of a large-scale enterprise application estate. This is a hands‑on leadership role...

Description Would you like to be an Engineer that builds the Cloud, rather than an Engineer that just uses it? At AWS, our Engineers look after the behind-the-scenes software and tools that make the world's largest cloud computing infrastructure possible. Would you like to be an Engineer that builds the Cloud, rather than an Engineer that just uses it? At...

Zaizi is looking for an experienced Solution Architect to lead the design and delivery of mission‑critical digital services that support the UK's Public Safety sector. This is an opportunity to work in one of the most exciting and meaningful areas of digital transformation, partnering closely with government operational teams to solve complex, real‑world...

Job Description Role: Senior Workday Finance Integration Architect (Finance Lead with HR Systems Experience) Reporting to: ERP Lead Location: London, UK (Onsite - 2 days a week) Position Type: Full-Time / PermanentWhat you’ll doMiQ is seeking a permanent Senior Workday Integration Architect to join our ERP team as the expert for our enterprise platform...

About Y TREE We are a rapidly growing Wealth Tech business re-defining how individuals and families connect and engage with their money. By harnessing sophisticated portfolio analytics, innovative behavioral psychology, and cutting-edge UX/UI, we create transformational financial outcomes for our users. Team Overview & The Role We are looking for a...

A leading public sector organisation is undergoing a major transformation of its digital and engineering capabilities. As part of this shift, they are hiring a DevOps-minded software engineer — someone who can contribute across software, infrastructure, and platform engineering.This role starts with hands-on infrastructure work: specifically, helping to...

Job Description Job Title: Senior Engineer Corporate Title: Director Location: Bromley Company Overview At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. We do this by driving Responsible Growth and delivering for our clients, teammates, communities and shareholders every...

Venture outside the ordinary - TMX CareersThe TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets. United as a global team, we’re connecting cross-functionally, traversing industries and geographies, moving opportunity into action,...

As a Full Stack Developer, you will discover, design, build, cloud-based applications and prototypes that support discovery workYou’ll work across both front-end and back-end development, helping teams explore, test, and validate new technical approaches and digital services that underpin wider reform programmesDesign, develop, and test applications using...

Salesforce is hiring Deployment Strategists — Strategic Builders who are customer-facing advisors, who define AI strategy, shape agentic solutions, and drive measurable adoption for enterprise customers. You'll work as part of a delivery team alongside Forward Deployed Engineers, translating complex business challenges into agentic AI deployments that go...

Job Summary We are looking for a UK based Staff Backend Engineer to be a key technical leader within the teams responsible for Depop’s Payments and Fulfilment systems, ensuring we provide our users with a best‑in‑class payments and shipping experience. You should feel equally at home around a whiteboard with a group of engineers, as you are explaining...

Company DescriptionTalan (part of the Talan Group) is an expert provider of professional services. Our vision and mission is to take positive action in a complex world for the future good of people and the environment and to enlighten and enable our clients’ transformation in an increasingly complex world.We are purpose-driven, working across multiple...

Engineering Graduate Programme (Backend)     Programme start date: September 2027 Please review all the graduate programme opportunities and make one application.Do you have a passion for technology? Do you want to make a difference, delivering software used by some of the biggest companies in the world? Do you love working with others in a dynamic...