26 to 50 of 63 Java Developer Jobs in London

looking for an experienced and proactive Full Stack Java Developer to develop robust desktop applications and backend services, as well as modern web interfaces for our treasury management products. You will engage in the full software development life cycle (SDLC), collaborating with product management, quality assurance, and design … driving innovation in our software solutions. Key Responsibilities Design, build, test and maintain both thin and thick applications. Develop and improve wed frontends using Java and JavaScript delivering responsive, intuitive UI/UX. Model and manage data with MS SQL (Schema design, performance tuning, complex queries). ...

Cleared Java Developer Contract : Inside IR35 Rate : £450 per day Location : Any of: Glasgow, Newcastle, Leeds, Sheffield, Manchester, Birmingham, Blackpool, Cardiff, London Hybrid : 1 day per fortnight in the office closest to your address Skills : Java, TDD, Microservices, Paired Programming, APIs Role : You'll work with ...

Senior Java Developer - AI first - sought by trading company based in London - Contract (OUTSIDE IR35 - Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills. Proven track record in modernising production systems ...

Senior Java Developer - AI first - sought by trading company based in London - Contract (OUTSIDE IR35 - Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience with strong Java backend skills. Proven track record in modernising production systems ...

Mercator Digital is seeking a skilled Java Developer to join its growing consultancy team, supporting digital transformation projects across the public and private sectors. Youll work in collaborative agile teams, delivering high-quality, sustainable software solutions. Key Responsibilities & Requirements Strong Java development experience with a proven track ...

Role type - Contract role IR35 status - Inside Dat rate - £750 - £900 pd About the Role: A premier Tier 1 investment bank seeks an adept Java developer specialized in algorithmic trading to join their Electronic Trading Technology team. This position involves driving forward new projects and maintaining essential trading … phases of the development cycle, including requirement gathering, coding, unit testing, patch reviewing, and providing second-level support Qualifications: Skills: Strong command of core Java APIs (Concurrency, collections) Experience with multithreaded systems, Java garbage collection, and low-latency I/O Knowledge of design patterns Experience with ...

Senior Java Swing Developer – About the Role We’re looking for a Java Swing Developer to join a team working on a high-performance desktop trading platform. Working on a mission-critical system that supports FX Cash, deposits, futures, swaps, and more. The platform is rich … functionality, handles heavy loads with low latency, and underpins key trading and sales workflows. You’ll help maintain and evolve the current Java Swing UI, while preparing for a future transition to a modern microservices-based architecture. This role offers exposure to complex, real-time systems and the chance ...

currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking or commodities - must have. Extensive Kafka ...

Mercator Digital is seeking a skilled Java Developer to join its growing consultancy team, supporting digital transformation projects across the public and private sectors. Youll work in collaborative agile teams, delivering high-quality, sustainable software solutions. Key Responsibilities & Requirements Strong Java development experience with a proven track ...

currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking or commodities - must have click apply ...

seeking a highly experienced Lead Java Developer to join our team on a contract basis (Inside IR35). Required experience: Technical Expertise : Expert-level proficiency in Java and Kotlin development, demonstrated within large-scale, production environments. Team Leadership : Strong team lead background with significant experience coaching, mentoring ...

Role: Front Office Java Developer Salary: Up to £130k base salary + Bonus + Package Location: London (Hybrid) Skills Required: Extensive Java experience needed (ideally with versions up to 21) This firm is an elite investment institution that uphold extremely high tech standards. They are made … limits. They’ll find the best team to suit your skillset/interests but you'll be working with the latest versions of Java, directly with traders and quants to build out high performance pricing and analytics tools from scratch. This role is greenfield and will allow ...

client, a Tier 1 Investment Banking institution, is seeking a Lead Java Developer to be a key individual contributor in the rebuild of a business critical ecommerce platform. You will be working with the front office at all levels to ensure that the requirements, design and build … high quality development environment. FX or rates business knowledge is an essential for this role (flow and derivatives). Key tech experience requirements: Java programming, real time systems with an emphasis on low latency techniques Microservice architectures and grid computing React front end development or interactions with front ...

currently working with a London-based investment bank who are actively seeking a Senior fullstack Java Developer to work on the development of a business-critical application within the FX space. What you'll need to succeed: Extensive fullstack Java and React experience within financial services - Mandatory ...

currently working with a London-based investment bank who are actively seeking a Senior fullstack Java Developer to work on the development of a business-critical application within the FX space. What you'll need to succeed: Extensive fullstack Java and React experience within financial services - Mandatory. ...

months (extension likely) Working Model: Hybrid Level: Senior/VP-equivalent individual contributor Overview A leading global financial services organisation is seeking a Senior Java Developer (Contract) to join its Electronic Fixed Income (eFI) Technology team click apply for full job details ...

About the Role: We are seeking a highly skilled Lead Java Developer to join our team and work on a large-scale public sector program. This unique development opportunity involves creating and implementing solutions for our portfolio of biometric products, supporting live systems, and diagnosing incidents. You will ...

Role type - Contract role IR35 status - Inside Dat rate - £750 - £900 pd About the Role: A premier Tier 1 investment bank seeks an adept Java developer specialized in algorithmic trading to join their Electronic Trading Technology team. This position involves driving forward new projects and maintaining essential trading ...

currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking - Must have. Extensive Kafka experience. Strong ...

currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed : Extensive Java development experience within investment banking - Must have. Extensive Kafka experience click ...

Senior Java Engineer Modern Platform | Greenfield Work | Collaborative Team Hybrid - 3 days onsite (flexible days) Up to £70,000 + benefits (some flexibility for the right person) We're working with a large, well-established organisation who are continuing to build out a modern, evolving platform that supports real … role within a pure in-house engineering team, offering a strong mix of delivery, collaboration, and technical influence. They're looking for a capable Java engineer who enjoys being close to the code, contributes thoughtfully within a team, and is comfortable working in an environment where delivery and improvement ...

Lead Software Engineer (Java) – London/Hybrid Are you a Lead Backend Engineer with a strong background in Java and modern backend architecture? In this senior technical leadership role, you will set the technical vision, influence system design, and guide teams in delivering secure, scalable, and high-performing … discipline across teams. Lead design sessions, code reviews, and collaborative technical discussions. Skills & Experience Proven experience as a senior or lead backend engineer with Java (11+) and Spring Boot. Expertise in designing and leading backend architectures for complex systems. Strong understanding of AWS, Kubernetes, and modern microservice-based systems. ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over … customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position ...

Senior Java Engineer Modern Platform Greenfield Work Collaborative Team Hybrid - 3 days onsite (flexible days) Up to £70,000 + benefits (some flexibility for the right person) We're working with a large, well-established organisation who are continuing to build out a modern, evolving platform that supports real ...

Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will put your skills … work on meaningful, production-grade systems. What You'll Work On You'll be developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands ...