senior java backend developer jobs in London

Job DescriptionIf your skills, experience, and qualifications match those in this job overview, do not delay your application.Senior Software Engineer I (Java & JavaScript)Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?About the team: You will join the Identity & Access Management team, which owns the...

About usOoga Booga is Berachain’s pioneering and native liquidity aggregator, designed to seamlessly and efficiently orchestrate swap executions. Our platform is dedicated to optimizing user journeys on our intuitive frontend while also serving as the preeminent facilitator for swap executions throughout external dApps.Job DescriptionWe are in search of a...

**Senior Java Engineer – AI & Modernisation** **London | Hybrid** Myn is recruiting for a major financial technology organisation investing heavily in the use of AI across software engineering and the modernisation of large-scale technology platforms. We're looking for an accomplished Senior Java Engineer who combines deep backend engineering...

Senior Fullstack Software DeveloperOur Client is a relatively young company but growing quickly in the world of financial technology solutions.They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise.The ideal candidate will have great problem solving and communication skills and be comfortable with fast...

United States Digital Space LLC, headquartered in London, seeks a Senior/Staff Software Engineer for Nova Core backend platforms. You will design, build, and operate core backend services enabling secure C2 operations across Nova Cloud deployments.The role focuses on service architecture, APIs, data models, authn/authz, observability, and developer...

JPMorganChase is seeking a Senior Java Developer for Equities Sales OMS as part of a global team supporting electronic business. The role emphasizes building secure, scalable systems with AI-assisted development tools in a London-based environment.The Senior Lead Software Engineer will provide technical guidance, drive architecture decisions, and ensure...

Jobs for Humanity is partnering with FIS Global to build an inclusive and just employment ecosystem. Therefore, we prioritize individuals coming from the following communities: Refugee, Neurodivergent, Single Parent, Blind or Low Vision, Deaf or Hard of Hearing, Black, Hispanic, Asian, Military Veterans, the Elderly, the LGBTQ, and Justice Impacted...

What’s Yonder?“It's as if Time Out, Amex and Monzo had a baby” - Will T, Yonder MemberYonder combines credit and debit in one membership that’s fair, flexible and actually enjoyable. No jargon. No dusty points system. Just rewards that actually feel rewarding, from bao to beer to a boarding pass.The engineering team sits at the heart of the...

Royal Mail is seeking a Senior Software Engineer focused on event processing to support its digital transformation and development of large-scale technology systems. The role involves designing software, building event-driven components, and delivering reliable backend services in a hybrid work setting.The candidate should have strong programming skills,...

A fast-growing technology organisation in London is seeking a skilled Java Backend Developer for a full-time permanent role. You will design and maintain backend services and APIs, focusing on security and scalability. The ideal candidate has over 4 years of experience with Java and expertise with Spring Boot. This hybrid role offers a collaborative working...

If Laravel is your tool of choice for building powerful backend systems, we want to meet you! We’re on the lookout for a senior backend developer to join the Trybe team to help us continue to grow the best software in the industry. Who is Trybe? Trybe is a startup that provides modern cloud-based software to clients in the hotel spa and wellness...

🚀 **Senior Full Stack Engineer – Java/Kotlin&React** 📍 **London | Hybrid** 🏦 **Tier 1 Investment Bank | Prime Finance** We are partnering with a **Tier 1 investment bank** on a major, multi-year transformation of its **Prime Finance Equities platform** . The **Equity Accelerator** programme is re-engineering core trading and post-trade...

Quant Capital is hiring for a small, high-performing market maker in London. This is a Mid-to-Senior role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm.What you’ll...

Staff Backend Engineer (Go Lang) About the Opportunity: MateHR is currently seeking a highly experienced Staff Backend Engineer on behalf of one of our most ambitious clients rapidly scaling fintech startup that's reshaping global transaction services. This exciting organisation is quickly expanding its presence internationally, notably making significant...

Senior Backend Engineer (Node.js)Office: LondonAbout the companyEmma is the app to manage all things money.Our mission is to empower millions of people to live a better and more fulfilling financial life.Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build a strong tech...

Senior Python Developer - GenAI Salary:£60,000 - £70,000 plus benefits, perks and healthcare options Locations:London, Bristol, Manchester, Glasgow or Newcastle Job Type:Permanent | Hybrid / 2 days per week onsite | Occasional travel to client sites Requirements:SC eligibility & full right to work in the UK required (no sponsorship available)The...

HCL Technologies Limited is seeking an experienced senior engineer to help build the backend and blockchain layer for regulated digital asset products. You will design Java/Kotlin microservices, implement on-chain logic, and integrate with custody and banking systems.You will lead in a cross-functional agile squad, mentor peers, and drive secure coding...

The Experience team designs Spotify's consumer experience—end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. That means turning complexity into clarity across hundreds of touchpoints—from our mobile and desktop...

About this roleWithin the Aladdin Product Group – Private Markets, we are hiring a Senior Software Engineer to work on our Private Markets application suite. The position is based with our London team and operates as part of a broader team distributed across several countries worldwide. This team works with other London based agile teams to build...

Why Socure?Socure is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it starts. The mission is big, the problems are complex, and the impact is felt by businesses, governments, and millions of people every day.We hire people who want that level of responsibility....