1 to 25 of 112 Permanent Java Developer Jobs in London

Risk Lead Java Developer + AI (VP) Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale … opportunity to build the future of finance with Citi Tech. What We do/The Team This isn’t just another Java developer role. As a Lead Java Developer – Vice President within Citi’s FX Risk technology team, you’ll be at the intersection of high ...

global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 20 November 2026 Job Description Your Role: Java Developer - Digital Out of Home Are you a Java Developer looking to be part of a team building cutting-edge, event … driven systems that power millions of digital advertising moments every day? As a Java Developer within our Digital Out of Home (DOOH) team, you'll help develop the programmatic advertising platform that powers all digital assets across Global's outdoor estate - from large roadside signs to the Transport ...

Core Java Developer– JVM, Multithreading, TDD, SpringQuant Capital is urgently looking for a Core Java Developer to join our high profile client. Our client is a well known high frequency low latency trading platform provider. No experience of finance is needed. The Java developer … development and client projects through in depth knowledge of the new applications, code development, system design, operating system design and software applications. The Core Java developer will work on a high availability distributed in memory aggregation solution. You will be working with major funds and smaller prop trading ...

About the job Principal Consultant - JAVA Developer Principal Consultant - JAVA Developer Location: London, England, United Kingdom Office space available at location listed Hybrid - Compulsory 2 days onsite. Industry: Information Technology Job Category: Information Technology - Developer Compensation: GBP £60,000 to £70,000 Full-time Relocation … Education: Bachelor's Degree Willingness to Travel: Occasionally Security Clearance Required: No Visa Candidate Considered: No Inviting applications for the role of Principal Consultant - JAVA Developer The role covers primarily programmer with experience in Java development. The role involves enhancement and migration of the existing code base ...

Title: Senior Java Developer - Rates Intraday Risk Technology Job Code: 14911 Country: GB City: London Skill Category: IT\Technology Job Title: Senior Java Developer – Rates Intraday Risk Technology Corporate Title : Associate Department :Information Technology Location: London (Hybrid) Company overview Nomura is a financial services group with … platform from design through to implementation and rollout. Skills, experience, qualifications and knowledge required Mandatory: Bachelor’s degree in computer science or equivalent Experienced Java developer with good knowledge of Java frameworks (Spring) and an understanding of the stages of the software development lifecycle, version control, unit ...

Java Developer – Low-Latency Trading Systems Location: London Working arrangement: Hybrid – 3 days per week in the office We are looking for a Java Developer with strong experience building low-latency, high-performance systems to support the expansion of an agency liquidity platform and delivery … projects across EMEA and the US. The role requires deep Java expertise, including JVM tuning, concurrency and memory management, alongside experience developing event-driven systems operating at high frequency. Key Responsibilities Design, develop and optimise high-performance Java applications supporting trading and liquidity services. Build and enhance ...

them, it's deeply embedded within our DNA. Invest in us and we'll invest in you!. Job DescriptionWe are seeking an experienced Java Developer to join our team. This role requires experience in Java development, AWS, database management, and batch processing. As a Java Developer, you will contribute to designing, developing, and maintaining applications that meet business needs. Key ResponsibilitiesDesign and develop scalable Java applicationsUse AWS services to build and deploy cloud-based solutions, supporting availability and scalabilityDesign, implement, and maintain database schemas, write SQL queries, and improve performanceDevelop and maintain ...

foster them,it’sdeeply embedded within our DNA. Invest in us andwe’llinvest in you!. Job Description We are seeking an experienced Java Developer to join our team. This role requires experience in Java development, AWS, database management, and batch processing. As a Java Developer, you will contribute to designing, developing, and maintaining applications that meet business needs. Key Responsibilities Design and develop scalable Java applications Use AWS services to build and deploy cloud-based solutions, supporting availability and scalability Design, implement, and maintain database schemas, write SQL queries, and improve performance Develop ...

them,itsdeeply embedded within our DNA. Invest in us andwellinvest in you!. Job Description We are seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a strong background in Java development, extensive experience with AWS, database … management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs. Key Responsibilities: Design and Development:Design and development of robust, scalable, and efficient Java applications. ...

embedded within our DNA. Invest in us and we'll invest in you!. Job DescriptionWe are seeking a highly skilled and experienced Senior Java Developer to join our dynamic team. The ideal candidate will have a strong background in Java development, extensive experience with AWS, database … management, and preferred work experience in batch processing. As a Senior Java Developer, you will play a crucial role in designing, developing, and maintaining high-performance applications that meet our business needs. Key Responsibilities: Design and Development: Design and development of robust, scalable, and efficient Java applications. ...

Java DeveloperUp 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 … expand to meet high demand from clients. The role: This is a senior role and would suit a candidate with 5+ years of Java development experience. The successful candidate will be a talented Java developer with a passion for solving engineering problems and delivering business functionality. ...

Senior Java Developer Department: Platform Delivery Employment Type: Permanent - Full Time Location: London Description We are looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local … working with large-scale data processing systems, and contributing to both technical delivery and engineering improvement initiatives. Key Responsibilities Design, develop, maintain and support Java-based backend services for data acquisition, processing, matching, analytics and integration, built to scale and perform under load Build and maintain applications that ...

Java Developer ( SC Eligible/SC Cleared ) London, United Kingdom | Posted on 06/10/2026 Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million … user-centred design and agile delivery, and more to deliver innovative digital services that matter. Role Overview We are looking for a talented Java Developer to join our team and contribute to the design, development, and maintenance of high-performance applications. The ideal candidate has a solid understanding ...

Avanti Recruitment is recruiting for a Senior Java Full Stack Developer to join an established, international software company based in Central London. The company develops complex, business-critical enterprise software used by major organisations internationally. Its products support high-volume transactions and essential business operations, giving engineers … opportunity to work on technically challenging, large-scale applications. This is a hands-on development position with a strong emphasis on Java, Spring Boot, REST APIs and microservices, alongside commercial frontend development using Angular, React or Vue. The company is continuing to modernise its established software platforms, creating ...

Avanti Recruitment is recruiting for a Senior Java Full Stack Developer to join an established, international software company based in Central London. The company develops complex, business-critical enterprise software used by major organisations internationally. Its products support high-volume transactions and essential business operations, giving engineers … opportunity to work on technically challenging, large-scale applications. This is a hands-on development position with a strong emphasis on Java, Spring Boot, REST APIs and microservices, alongside commercial frontend development using Angular, React or Vue. The company is continuing to modernise its established software platforms, creating ...

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 ...

Senior Java Developer (AWS, Microservices) Travel - Sussex Daily rate: £550 - £700 (inside IR35) Duration: 3 - 6 months Hybrid: 1 - 2 days Start: ASAP My new client is looking for a Senior Java Developer (AWS, Microservices) to join the team on a contract basis. You will play … role in designing, developing, and maintaining secure, scalable, and cloud-native Java microservices, primarily hosted on AWS, integrating with both internal and third‐party systems. Collaborating closely with other technical leads, platform engineers, QA, and product teams, you will follow best practices in software design, observability, security, and DevOps ...

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 ...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation … chance to do it on a global scale and play a real role in shaping our exciting journey.**The role**As a Senior Fullstack Developer, you will be a hands-on member of a high-performing engineering squad, building and operating business-critical digital services.This is a backend ...

Accepting applications until: 27 November 2026Job DescriptionYour Role: Java Developer Keeping our audiences entertained with their favourite podcasts, radio shows, video content and playlists, the Consumer Growth team builds best-in-class tech to help our teams create, finesse and deliver this content day after day. From internal … platforms, we're always looking for new ways to make our content look and sound great. We're looking for an adaptable, experienced Java Developer to help shape the future of Consumer Growth here at Global.. Key Responsibilities Feature Development (50%): Develop new features that are functional, performant ...

Core Java Developer Big Data Trading Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a 30 man start up who have created a market leading product in the financial data market. Details of the full ideas … play a part in shaping the future of finance and be rewarded accordingly. This role is second to the CTO and allows a developer to take responsibility for code, mentor several juniors as well as architecture of the product. You will be completely hands on but have aspirations ...

global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 27 November 2026 Job Description Your Role: Java Developer Keeping our audiences entertained with their favourite podcasts, radio shows, video content and playlists, the Consumer Growth team builds best-in-class … platforms, we're always looking for new ways to make our content look and sound great. We're looking for an adaptable, experienced Java Developer to help shape the future of Consumer Growth here at Global. . Key Responsibilities Feature Development (5 0 %) : Develop new features that ...

innovative and high-quality technology solutions while supporting the continued growth and development of our professional workforce. Role Overview: We are seeking a Senior Java Developer to join our Core Platform Team. This role is critical to building and maintaining the scalable backend infrastructure of our back office … system platform, ensuring it can support high-concurrency gameplay, real-time interactions, and a distributed microservices architecture. As a Senior Java Developer , you will architect and develop backend systems that power our games, player management, reporting tools, and third-party integrations. You will work closely with Product Owners ...

FutureNow, we're helping clients design, modernise and operate some of the UK's most important and complex technology services. We're looking for Java Developers and Software Engineers at a range of experience levels to join our National Security business, working across secure, enterprise-scale application and modernisation … enjoy solving complex problems, building high quality software and working collaboratively with clients, architects, engineers and multidisciplinary delivery teams. You'll work across modern Java environments, contributing throughout the software development lifecycle from requirements and technical design through to development, automated testing, deployment and production support. Whether ...

role We are looking for a Senior Java Developer to help design and deliver a platform built around Java microservices. You will take ownership of backend services, contribute to architecture decisions and work closely with product, QA and DevOps colleagues to turn business requirements into reliable software. … independently. The aim is to shorten release cycles, improve resilience and support growing transaction volumes without disrupting existing users. The proposed stack centres on Java 21 and Spring Boot, with REST APIs for synchronous integration and Apache Kafka for asynchronous events. Each service will own its data, using PostgreSQL ...