1 to 25 of 38 Remote/Hybrid Java Developer Jobs in London

Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Java Developer you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus ...

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 … services. You'll work across Java, Spring Boot, REST APIs and microservices, contributing to the full development lifecycle from design and development through to testing, deployment and ongoing optimisation. Strong experience with Java and Spring Boot is essential, alongside solid SQL/database knowledge and experience working with ...

Role: Principal/Senior Java Developer – Elite FinTech Rate: Up to £750 per day Location: London Working Pattern: Hybrid Contract: Contract The Role They are looking for an exceptional Principal/Senior Java Developer to join a high-calibre engineering team, working alongside some … work on high-scale, business-critical technology at the intersection of financial services and next-generation digital assets. Requirements Strong commercial experience with Java Extensive experience developing server-side Java applications Strong software engineering fundamentals Experience working on complex, high-scale systems Strong understanding of application architecture ...

Role Role : Principal/Senior Java Developer – Elite FinTech Rate: Up to£750 per day Location :London Working Pattern :Hybrid Contract :Contract They are looking for an exceptional Principal/Senior Java Developer to join a high-calibre engineering environment, working alongside some of the industry … strongest developers, architects and technical leaders. Responsibilities Design and develop high-performance server-side Java applications Work across both greenfield and complex brownfield environments Take ownership of significant technical challenges and drive solutions through to completion Collaborate with highly experienced engineers, architects and product specialists Translate complex business requirements ...

Java Developer (London, Hybrid) Location: London UK Working Mode: 3 days on site in City of London IR35 Categorisation: Inside Rate: £600 per day We're looking for a Java Developer to join our client (Investment Banking) in a hybrid working model (London, 3 days … office processing Provide technical expertise and recommendations for enhancements of existing applications and evaluation of new initiatives Develop clean, secure, and efficient code in Java and Python and work with scripting tools such as PowerShell or Bash Conduct code reviews, unit testing, and participate in application architecture discussions Ensure ...

Senior Java Engineer (Contract) – Greenfield Fintech Platform Location: London/Hybrid (1 day/week in office) About the Role We are seeking an exceptionally skilled Senior Java Contractor to join a high-impact team building a next-generation algorithmic trading engine. You will work on low-latency … high-throughput microservices, owning features from architecture design to production deployment. Key Responsibilities Architect, build, and optimize scalable back-end services using Java 21+ and Spring Boot. Partner with product and risk teams to deliver resilient event-driven architectures. Drive engineering best practices, including TDD, automated CI/ ...

this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time. We are looking for a dedicatedMiddle Java Developer to join our team in London! About the job: This is a rare opportunity to shape how data-driven decision-making works … much about influence and expertise as it is about analysis. What You'll get to do: Develop, maintain, and enhance microservice applications using Java 21+ and Spring Boot. Design and implement scalable, resilient, and high-performance solutions. Work with relational and OLAP databases, writing efficient SQL queries in PostgreSQL ...

Morgan Hunt UK Limited is recruiting a Senior Full Stack Java Developer for a 6-month contract (likely extension) with a UK remote arrangement. You will join a government organisation, working in an Agile, cross-functional delivery team to build cloud-native applications using Java 21, Spring ...

CBSbutler are seeking an experienced Java Developer to join a remote development team working on a Home Office project. You will design, develop and enhance secure, scalable Java applications and services using Spring Boot, REST APIs and microservices. You will work across Java, Spring Boot, REST ...

Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What ...

Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data … critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do Build core backend services in Java (17/21) for access control and query manipulation Implement deterministic policy/rule engines for data governance Work on SQL parsing, planning, validation ...

Ports North is seeking a Java Developer in London with a hybrid on-site model (3 days per week). You will build cloud-based financial services applications, collaborating with agile teams to deliver secure, scalable software. The role emphasizes strong Java backend skills, Spring Boot ...

Hunter Bond is seeking a Principal/Senior Java Developer to join a elite FinTech engineering team in London. You will tackle high-scale, business-critical technology at the intersection of financial services and digital assets, working with top engineers and architects in a hybrid setup. You should … have strong Java/server-side experience, Linux, and a track record delivering distributed systems and APIs. FinTech/trading background and blockchain familiarity are highly valued, with hands-on #J-18808-Ljbffr ...

opportunities. Help solve real‐world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. The Lead Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology … cause analysis on production issues, drive long‐term stability improvements, and strengthen monitoring and observability across the platform. Recommended Experience Strong experience in Core Java, J2EE, Spring Framework Exposure to Python scripting and data analysis Experience in fast moving Capital Markets Front Office technology environment with experience in Fixed ...

Digital is hiring a Java Developer for a hybrid role based in London, requiring 2 days on-site per week. You will work on large-scale software projects using Java, SpringBoot, AWS and MySQL within multidisciplinary teams. You will champion software quality, collaborate with clients and teammates ...

Citi in London is seeking a Lead Java Developer to drive the development of real-time and on-demand risk systems within our global trading and risk framework. You will own the full development lifecycle, from architecture to production support, and collaborate with London-based traders, risk teams ...

lead greenfield initiatives, zero bureaucracy, collaborative culture and stunning office space! Our rapidly scaling FinTech Client is seeking a highly skilled Kafka Engineer/Java Developer to become part of their elite engineering team. You'll join a group of exceptionally talented professionals with experience from top-tier … from the ground up Play a central role in developing robust distributed systems Provide guidance and mentorship to junior engineers Skills Extensive experience in Java development Deep expertise in Kafka Commitment to writing high-quality, maintainable code Experience or strong interest in low-latency systems Bonus: Familiarity with Hadoop ...

seeking a Java Developer to design and build scalable, secure back-end services for UK Government programmes. You’ll work in a hybrid setup, collaborating with skilled professionals who own their work and pursue continuous learning. A UK Security Clearance or eligibility is required to participate in sensitive ...

Citi is seeking a Lead Java Developer in London to architect and implement real-time and on-demand risk systems. You will own the full lifecycle from design to production support, integrating new analytics and data sets across global teams. The role emphasizes scalable microservices, streaming data ...

Solutions (CWS) service, partner with Deutsche Bank to support contingent recruitment processes. On behalf of Deutsche Bank, we are looking for a Full Stack Java Developer for a 6 month contract based in the bank’s London office on a hybrid working model of 3 days per week … disabilities, beliefs, and generations and are committed to providing a working environment free from harassment, discrimination and retaliation. Skills Required Hands-on experience with Java 17 and modern Java development practices. Proven expertise in Spring Framework , including Spring Boot , Spring Cloud, and related ecosystem technologies. Experience developing modern ...

behalf of Deutsche Bank, is seeking a Full Stack Java Developer for a 6-month contract based in the bank’s London office on a hybrid model of 3 days per week in the office and 2 from home. The role focuses on delivering cloud-native Java applications using Java 17, Spring Boot, and React/Angular, with emphasis on performance, reliability, and scalable design across distributed systems. #J-18808-Ljbffr ...

Senior Java Developer | Electronic Trading | VP/Executive Director Location: London Working Pattern: Hybrid, 3 days per week in the office Salary: Up to £200,000 base + exceptional bonus (Total Compensation up to £350,000) Join one of the largest growth programmes in Electronic Trading Technology … quantitative teams and business stakeholders, you'll build software that directly impacts trading performance and execution quality. Projects include: Designing and building low latency Java applications Developing electronic trading and execution platforms Building pricing and market data infrastructure Improving platform performance, scalability and resilience Enhancing execution algorithms and trading ...

EveryMatrix Ltd., a leading iGaming SaaS provider, invites a Middle Java Developer to join our London team. You will shape data-driven decision-making across our CRM platform, building robust microservices and driving value for operators. You will work with Java 21+, Spring Boot, Kafka ...

diverse, friendly, dynamic culture - with a focus on internal promotion and developing our people. Scope of Role ITRS Group is looking for Senior Java Engineer in London. Reporting to our Engineering Manager, you will sit in the Platform Team and form part of a wider global Engineering Team. … adoption through 2026. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. Participate ...

display and foster them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking an experienced Senior Java Engineer to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and you will have the opportunity to achieve medium … career goals. You will be working for one of our high-profile trading clients within the financial services domain, contributing hands-on to a Java-based development team supporting a high-volume message processing environment. The team is heavily Java-focused, operating within a client ecosystem that relies ...