java software developer jobs in London

Role : Java Developer (Blockchain) Type : Contract Location : London, UK (Hybrid) Roles and Responsibilities Backend Engineering * Design and develop enterprise-grade backend services using Java. * Build APIs and microservices supporting digital asset products. * Develop scalable and resilient systems aligned with banking standards. * Ensure...

Java Developer Location: LondonContract Type: Permanent, Full-TimeSalary: Up to £70,000 per annum, plus benefitsSecurity Clearance: SC cleared or SC eligible (candidates must hold SC clearance or be eligible to obtain it)Start Date: ASAP The RoleWe are looking for a talented Java Developer to join our team and contribute to the design, development and...

Tech: Core Java, JDBC, Kafka, HDFS, Docker, SQL, MultithreadingChallenge: Greenfield Big Data Analysis Platform Development in FSFirm: Well-known Financial Data fintech50 business, City of London, 10 man flat Dev TeamPay: 85k, Options, training budget, Pension, Life / Health, Some Work from HomeNO FINANCE EXPERIENCE NEEDEDCore Java Developer Big Data...

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...

Job Title: Java Developer Rate: £475 - £525 per day inside ir35 Location: Remote Contract: 6 months rolling SC Cleared We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring Boot, REST...

Java Developer -FinTechUp to 100,000Quant Capital is urgently looking for a Java Developer to join a pioneering tech start-up.Our client is an innovative company with a pioneering new concept for the financial markets with their big data technology platform. They have assembled a top team from across the financial markets and are looking to expand to meet...

Be the SME in a close knit, agile team. You will be the Java expert, utilising a Spring framework to build and evolve their internal systems. This work will have a genuine impact on the business, so you must have an awareness of what influence your code will have on the company. The wider technology would see you work with Ubuntu, MySQL and Docker, exposure...

Job Reference: NJ0021Date Posted: 1 October 2026Recruiter: Nexus JobsLocation: Stratford LondonSalary: 45,000 to 60,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionJava Developer with Liferay - LondonWe are looking to recruit a Java Developer with at least 2 to 5 years...

DWP. Digital with Purpose. Join DWP as aJava Software Engineerand help build modern cloud-first services that support some of the UK's most important public services.Our DWP Digital teams use fresh ideas and leading-edge tech to build and maintain digital solutions that will be used by nearly every person in the UK, every day and at key moments in their...

Job Description Role: Mid Software Engineer (Java) Department: Engineering (Java) Date: September 2026 Grade: 3 CreateFuture is an AI-native consulting partner where people do work that matters and are supported to do it well. We work side by side with our clients, challenging what's not working and helping them to build the future. We work alongside...

Key Responsibilities: • Lead technical decision-making and architecture design for JD’s international core systems, ensuring high standards of performance, availability, concurrency, security, and scalability. • Design and oversee complex system architectures and drive productization efforts, maintaining architectural quality through hands-on coding,...

*This opportunity is hybrid in Heathrow. Please apply only if you are happy to commute. At mthree, we connect talented graduates with top-tier organizations, including leading investment banks and companies across insurance, travel, and more. We currently have a Software Developer (C++|Java| Python) role with a leading travel technology company. What You...

Java Engineer TradingUp to 100,000 + benefits and bonusQuant Capital is urgently looking for a DevOps Engineer to join our high profile client.Our client is a well known Low Latency Algo Trading business. The firm deploys highly sophisticated low-latency algorithmic trading, pursuing a range of arbitrage strategies in both spot and derivative markets, as...

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an...

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.  Through our people and technology, we connect clients to superior liquidity and...

We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer III at JPMorganChase within the Corporate & Investment Bank Payments tech team you serve as a seasoned member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and...

Wells Fargo is seeking a Lead Java Software Engineer to lead the transformation of critical Capital Markets platforms supporting Product Control and Volcker reporting within the Corporate & Investment Banking (CIB) division.This role is accountable for defining and executing amulti-year transformation strategy to modernize and stabilize the Product...

Job Title: Java Developer Rate: £525 per day inside ir35 Location: Remote Contract: 6 months rolling We're looking for an experienced Java Developer to join a remote development team working on a Home Office project, building and enhancing secure, scalable Java applications and services. You'll work across Java, Spring Boot, REST APIs and...

About the company: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation Apexon brings together distinct core...

Lead Java Engineer Umbrella Rate:£600.00 - £635.00 per day (Inside IR35) Duration:6 Months Location:Telford (2 days per week onsite) Clearance Required:BPSS The Opportunity We're looking for an experiencedLead Java Engineerto join a major modernisation programme, helping to design, build, and deliver scalable digital services within a complex enterprise...