23 of 23 Senior Java Developer Jobs in London

Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office Fixed income Pricing and Risk Permanent role £110-130k Location: London City Liverpool street station, home working hybrid 50/50% Technical stack: Java This is a senior Java developer to run Front office Fixed income ...

Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. … best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. ...

Senior Java Developer Investment Banking Fixed income Pricing and Risk This is a new and exclusive opportunity for a Senior Java Developer to join this Investment Banking business as they expand their Fixed income Pricing and Risk front office team Role details Title: Senior Java Developer Business area: Front office Fixed income Pricing and Risk Permanent role £110-130k Location: London City Liverpoo click apply for full job details ...

Senior Java Developer/SRE Specialist We are seeking a Senior Java Developer with strong SRE expertise to join a major production management transformation programme within a global investment bank. This role sits at the intersection of software engineering and site reliability, with … focus on modernising how critical banking platforms are designed, built, and operated at scale. We are specifically looking for a hands-on Java expert who combines deep architectural knowledge with SRE principles - someone who can design robust systems while actively contributing to code, automation, and reliability engineering ...

Senior Java Developer Location: London (Hybrid - 3 days in office) Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This is a hands … fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in Java , particularly in low latency environments , and a strong understanding of FX trading systems . You'll be expected to contribute to all phases ...

passion for cutting-edge technologies. Job Location: London (Hybrid - 3 days in the office) About the role: We are seeking a highly experienced Senior Java Developer with over 10 years of hands-on Java development experience and extensive exposure to AI/ML-driven systems . … capabilities such as machine learning models, generative AI, and intelligent automation into Back End systems. Key Responsibilities Design, develop, and maintain high-performance, scalable Java applications using modern frameworks. Architect and implement AI-enabled solutions , integrating ML/AI models into Java-based platforms. Collaborate with data scientists ...

This is an exciting opportunity for a Senior UI React/Java Developer to contribute to innovative projects in the Financial Services industry. The role is based in London and focuses on delivering high-quality solutions within a collaborative technology department. Client Details The client … front-office technology landscape and their commitment to building high-performance trading platforms that support complex, fast-moving Fixed Income markets. Description As the Senior UI React/Java Developer, you will: Lead front-end development for a new trading system within the credit space Build advanced ...

human-centric products within the organisation. Their mission is to transform the working lives of finance and tax professionals. Your new role A Senior Developer is urgently required to join the team, to work as part of the Tax technology team to develop and implement technical solutions that … resilient and scalable. The Senior Developer will work closely with other members of the team (designers, product owners, business analysts and developers) to deliver excellent experiences for their key clients. The Senior Developer will be required to develop ideas to find a pragmatic approach ...

Senior Java Developer - Multithreading/caching - sought by leading investment bank based in London - Contract *inside IR35 - umbrella* Key Responsibilities Develop and maintain high-performance backend services for complex data processing workloads. Design scalable architectures for large-volume calculations and data pipelines. Work closely with cross-functional … joins, and large/complex datasets. Leverage AI tooling to enhance productivity in coding and system design. Required Skills & Experience 8+ years ' experience in Java backend development (Java 17+). Degree in Computer Science, Software Engineering, or related field. Strong expertise in Java + Spring Boot/ ...

Title: Senior Java full stack developer/Tech Lead Work model – Hybrid (3 days in an office) Location – London, UK We are seeking an experienced and results-driven Senior Java Full Stack Developer (React Mandatory) to join our team in London. This project … maintain robust, scalable, and high-performance web applications. Build responsive and dynamic user interfaces using React js. Develop backend services and APIs using Java (Spring Boot/Spring Framework). Write clean, maintainable, and efficient code following best practices. Perform code reviews and mentor junior developers. Optimize applications ...

Location: London Contract Type: Inside IR35 Day Rate: Competitive (via umbrella) Contract Length: Initial 6 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. This role sits in a front-office electronic trading environment , focused on building and optimising low-latency, high-performance Java trading systems used by institutional clients. A core part of the engagement will be supporting the rollout and optimisation of TransFICC connectivity , alongside ongoing ...

currently working with a London-based Financial Services client who are actively seeking a Senior Java Developer to work on the development of a business-critical application with a range of cutting-edge technologies. What you'll need to succeed : 10+ years' Java Development experience ...

Location: London Contract Type: Inside IR35 Day Rate: Competitive (via umbrella) Contract Length: Initial 6 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 ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high ...

Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13+ billion. Senior Java Engineer – Market Connectivity You have strong core Java development with market connectivity experience You have strong experience with multi-threading, messaging … know how to use memory profilers and look at heap dumps You are degree educated, Computer Science preferred or any STEM Minimum Java experience: 10 years Preferred Skills: TransFICC Experience, highly desirable Hot Code path optimization, Off-heap memory management techniques JVM internals, tuning for low-latency Low-latency ...

About The Role FDM is a global business and technology consultancy seeking a senior EFX java developer to work for our client within the Financial Services sector. This is initially a 12 month contract with the potential to extend and will be a hybrid role that will … strategic EFX pricing and auto-hedging capabilities for FICC E-Trading for 2026. In a typical day you can expect to develop Java code, review code written by your colleagues, attend Agile ceremonies, refine requirements with users (Quantitative Strategies Group and Traders) and liaise with sibling teams ...

currently working with a London-based financial services client who are actively seeking 3 Senior Java developers to assist in the development and maintenance of a business-critical system in the Equity Derivatives space. What you'll need to succeed : 10+ years' server side Java development experience. ...

Role: Java Developer (Mid-Senior Level) - Up to £120k + Bonus Salary: Up to £120k base salary + Bonus + Package Location: London (Hybrid) This firm is an elite tech driven investment institution that uphold extremely high tech standards. They are made up of some exceptionally talented … 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 ...

Your responsibilities: Software Design & Maintenance: Design, develop, and maintain Complex Java and Python based applications and services using industry-standard methodologies and tools. Architect new systems or reuse existing systems that drive complex applications. Strategic Teamwork: Collaborate with Product Managers, UX team, and Software Engineers around the globe … development to act as the SME in working domain, mentor junior developers on a day-to-day basis. L3 Production Support: As a developer, you will be responsible for delivering Level 3 production support by efficiently diagnosing and resolving issues to minimize disruption to business operations. This includes analysing ...

intuition with that, and some modern messaging like Aeron or ZeroMQ." 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers … industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring ...

Your responsibilities: Software Design & Maintenance: Design, develop, and maintain Complex Java and Python based applications and services using industry-standard methodologies and tools. Architect new systems or reuse existing systems that drive complex applications. Strategic Teamwork: Collaborate with Product Managers, UX team, and Software Engineers around the globe ...

Your new company A leading consultancy sitting within their market-leading tax practice is renowned for delivering sustainable growth and empowering people to shape their careers. They are responsible for the innovation and development of ...

highly dynamic, international environment, focusing on building secure, scalable, and innovative financial systems that power global banking services. We are currently looking for a Senior Fullstack Developer (Java+React) to join the team. The role involves working in a modern microservices architecture and contributing to the development of scalable … efficient applications. The ideal profile is a FullStack Developer with both backend and frontend expertise. The expected skill distribution is approximately 60% backend (Java/microservices) and 40% frontend (React), with flexibility depending on experience. Requirements : Java, Spring Boot, Microservices, Node.js, TypeScript, React. Location: London (hybrid ...