staff java backend developer jobs in London

Backend Java Developer – City LondonWe are urgently looking to recruit a Java backend Developers with at least 5 years experience.Must have strong Data structures and Algorithms experience.Also experience of Spring, working with large code base, SQL, Unix etc.You should ideally have a solid problem solving and algorithm background coupled with excellent...

LMAX Group is a high-performance financial exchange known for ultra-low latency Java systems. You will work across the stack—from backend core Java to frontend JavaScript—on greenfield cloud-based solutions and a cooperative, knowledge‑sharing culture.Join a team that values fast feedback, pair programming, and ongoing learning through internal tech...

Methods Business and Digital Technology Limited Methods 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...

Are you a passionate Flutter Developer looking to make a meaningful impact in the tech world? Our client, an innovative and fast-growing start-up, is seeking a highly skilled developer to join their dynamic team. Based in [Location], this is a unique opportunity to work on cutting-edge projects and grow alongside a company that’s redefining its industry.If...

Contract Senior Full Stack Developer – Java 21 / React / AWSContractTalan (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...

Backend Software Engineer Term: 6 Months Pay: £888 per day Inside IR35 Location: Kings Cross London Hybrid Our client see a world in which advanced applications of Machine Learning and AI will allow us to develop novel therapies to existing diseases and to quickly respond to emerging or changing diseases with personalized drugs, driving better outcomes...

About ICE Services ICE Services is a music technology company built by rightsholders, for rightsholders. We simplify the complexities of the music royalty chain through an innovative suite of licensing, processing, and copyright services, enabling our customers to accurately and efficiently compensate songwriters and composers for the use of their...

**Junior Java Support Analyst** **About the job** The Global Markets IT department delivers secure, scalable, and innovative technology solutions across the bank's global operations. The team supports business users across trading, risk, operations, finance, and other functions. We are looking for an Junior Java Support Analyst to join the team. This role...

A leading consultancy firm is looking for a Backend Java Developer for a hybrid role in London. You will build core backend services for a Data Fabric platform, implementing rule engines and working with SQL parsing and distributed data systems. Ideal candidates should have strong experience in Java (17/21), Spring, and a solid understanding of SQL...

Anyone AI is recruiting skilled Full-Stack Developers (Python, Javascript/TypeScript) to work on a project with a leading AI Lab. Qualifications:Advanced professional written proficiency in English3–7 years of professional software engineering experienceStrong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or GoBackend or...

Job DescriptionDo not wait to apply after reading this description a high application volume is expected for this opportunity.White Collar Factory (95009), United Kingdom, London, London Staff Software Engineer - Back End About this role Do you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about...

Principal Software Engineer Salary to £80k, poss higher for their ‘Unicorn' candidate Role can be based remotely, as long as you can occasionally travel to London for client work (travel expenses paid)- approx. once a month. NB: Please only apply if you are a UK National, have resided in the UK for the past 5 years and are prepared to go through UK SC...

Our client is a leading IT services and digital transformation consultancy. Company DescriptionOur client 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...

SENIOR BACKEND SOFTWARE ENGINEER | UK REMOTE | £100,000 - £120,000About the OpportunityMy client, an exceptional aerospace tech firm building next-gen communication intelligent networking company are looking for a Senior Backend Engineer to work on their highly technical core systems.The RoleJoin their core engineering team to design, build and refine...

We help companies get compensation right. What we get paid at work has a massive impact on our lives, and it’s one of the biggest factors in hiring and retaining talent - and yet so many companies struggle to get it right. They simply have no choice but to rely on poor data and unsophisticated tools for their pay decisions. That’s why we created...

Remote · Full Time · Individual Contributor · +8 Years of Experience Staff Engineer, Money, Risk & Payment Ancillaries Who We Are Yuno is the AI-native operating system of global commerce, powering the financial infrastructure of enterprise merchants, banks, and wallets. Through a single API, Yuno connects them to pay-ins, payouts, fraud prevention,...

Navan (Nasdaq: NAVN) is the AI-powered business travel, payments, and expense platform that makes it easy to book, pay, and close the books. Travelers get a product they actually want to use. Finance teams get real-time control, policy, and reconciliation. Expense is a core part of that story: from the moment a receipt is captured to the moment it lands in...

White Collar Factory (95009), United Kingdom, London, LondonStaff Software Engineer - Back EndAbout this roleDo you love shaping the technical landscape and driving innovation across the organisation? Are you passionate about solving complex business problems and supporting multiple teams toward a shared technical vision? At Capital One, you'll be part of...

Staff Software Engineer London, UK About the role Applied Intelligence Systems (AIS) is part of the Scale Generative AI Platform (SGP), focused on pushing the frontier of what agentic applications can do across diverse enterprise and government use cases. We build the infrastructure and tooling that power agentic AI in production, paired with applied ML...

Staff Engineer / Developer (C# .Net AWS Python) London / WFH to £120kWould you like to join a growing and profitable scale-up recognised as a leading FinTech disruptor, where you'll have significant influence, visibility and genuine opportunities for progression?As a Staff Engineer, you'll play a key role in shaping the technology strategy, architecting and...