201 to 225 of 372 Java Developer Jobs in London

Social network you want to login/join with: Senior Java Developer - Equity High Touch Trading, London Client: 06500 Citigroup Global Markets Limited Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Reference: c8e94f843ef8 Job Views: 4 Posted: 02.06.2025 Expiry Date: 17.07.2025 Job Description … limit management, entitlements, and trading frameworks. Develop standards for coding, testing, debugging, and implementation. Mentor mid-level developers and analysts. Qualifications: Extensive server-side Java development experience, knowledge of middleware and databases. Proficiency in Core Java, multi-threading, collections, and garbage collection in low latency systems. Strong understanding More ❯

Java, C++ (low-latency systems) - Contract - Inside IR35 - £500 - 100% remote working Exalto Consulting are currently recruiting for a contract java developer who has experience working on low-latency systems, this is 100% remote working inside IR35 paying £500 per day. Key skills and experience: 5+ years … of experience using Java on complex low-latency systems for top-tier institutions or 2+ years Java experience and 5+ years working on low-latency trading systems in C++ (or similar) - Prior experience on the FX Matching (strongly welcomed) - Experience with SQL and PL/SQL - Familiarity with … Gradle If you have the above experience please send your CV for immediate consideration as our client are looking to hire ASAP Java, C++ (low-latency systems) - Contract - Inside IR35 - £500 - 100% remote working More ❯

Social network you want to login/join with: Senior Java Developer - Low Latency, london col-narrow-left Client: Oliver Bernard Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 05.05.2025 Expiry Date: 19.06.2025 col-wide Job Description … Java Developers - Low Latency Experts - Contract - Outside IR35 Looking to speak with Java/Low latency engineers to work on a large scale financial services project in London. This is a multi-year project and looking for latency specialists to come in and help build it out. Skills … needed - Core Java, Performance Tuning, Concurrency, Threading, HFT. 2-3 days in London No sponsorship offered, please do not apply if you need it. #J-18808-Ljbffr More ❯

Lead Java Microservices AWS Developer Contract Hybrid (London) Job Title: Lead Java Microservices AWS Developer Location: London (Hybrid 2 days/week onsite) Contract Length: 6 Months (Inside IR35) Rate: £400£500/day Start Date: ASAP Mode: Contract Hybrid About the Role We are looking … for an experienced Lead Java Microservices Developer with expertise in AWS serverless architecture to join a fast-paced delivery team working on enterprise-grade applications. Youll play a lead role in developing secure, scalable, and high-performance solutions using cutting-edge cloud-native tools. Youll also work closely … mentor junior developers, and take ownership of features from inception through to production. Key Responsibilities Lead the design and development of web applications using Java and AWS serverless services. Integrate AWS services like Lambda, S3, ECS Fargate, DynamoDB, SQS, and more. Implement secure, reusable code using modern frameworks and More ❯

community. Join us to help leading organizations unlock the value of technology and build a sustainable, inclusive world. Your Role We are seeking a Java Developer to join Capgemini Financial Services Cloud Practice. This is a permanent, full-time hybrid position in Manchester, UK, offering a unique opportunity … Cloud Consulting career. Gather requirements from the business analyst team. Analyze new technical requirements within the development team. Develop and unit test applications using Java/Java 8, REST, Python, JUnit, Cucumber, etc. Exposure to AI. Experience with Github, Jenkins, pipelines, agile methodologies, SDLC, design patterns, APIs, TDD. … tasks and acceptance criteria for planned work. Coordinate with QA for releases and test plans. Your Profile Experience designing and developing web applications using Java/J2EE. Strong understanding of OOP and data structures. Experience with API development using Spring Boot. Understanding of API lifecycle, orchestration, and data transformation. More ❯

DV Cleared Software Engineer, Java Developer, Python, Backend Engineer 2 days ago Be among the first 25 applicants Direct message the job poster from Experis UK Position: M365 and Modern Workplace Principal Consultant at Experis UK & Ireland Our client, a global organisation, urgently requires experienced Back End Developers … to join their team on a permanent basis, working with Central Government clients. The ideal candidate will have: Extensive experience as a back end developer, particularly in Government or Defence applications (DV Cleared) Experience building solutions within a DevSecOps and Agile environment DV Cleared Responsibilities include: Delivering features end More ❯

ll provide technical support for the transition of applications into live service and support. Your skills and experience What you’ll bring: Experience of Java AWS Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of development processes. Experience of … Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Amber Labs by 2x Sign in to set job alerts for “Java Software Engineer” roles. London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 month ago London, England, United Kingdom 4 hours ago … Freelance Software Developer (Java) - AI Trainer London, England, United Kingdom 5 days ago London, England, United Kingdom 3 weeks ago London, England, United Kingdom 56 minutes ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 3 weeks ago London, England, United Kingdom 1 week ago More ❯

Senior Java Developer - FX Technology London (AVP) About Citi As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe, we are … the financial sector. We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels. About FX Tech Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the … Single Dealer Platform What we are looking for: A real interest in/passion for coding Extensive experience in hands-on software development using Java and related frameworks Highly credible hands-on engineer, confident to dive into a code-base and deliver substantive features and change Ability to work More ❯

Senior Java Developer - FX Technology London (VP) About Citi As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe, we are … the financial sector. We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels. About FX Tech Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the … Single Dealer Platform What we are looking for: A real interest in/passion for coding Extensive experience in hands-on software development using Java and related frameworks Highly credible hands-on engineer, confident to dive into a code-base and deliver substantive features and change Ability to work More ❯

CyTAL is a leading cyber security company and is growing the development team for our cutting-edge suite of cyber-security tools. As a Java Developer in our multidisciplinary development team, you will be hands on with Java coding and driving forward the development of our cyber … and innovation within the development team - Work closely with other team members to troubleshoot and resolve technical challenges Essential Experience: - Demonstrable proficiency in developing Java and related technologies - Testing: Test Driven Development, J-Unit, User testing - Use of GIT VCS - Object-oriented design - Creation of detailed design documentation Desirable More ❯

CyTAL is a leading cyber security company and is growing the development team for our cutting-edge suite of cyber-security tools. As a Java Developer in our multidisciplinary development team, you will be hands on with Java coding and driving forward the development of our cyber … and innovation within the development team - Work closely with other team members to troubleshoot and resolve technical challenges Essential Experience: - Demonstrable proficiency in developing Java and related technologies - Testing: Test Driven Development, J-Unit, User testing - Use of GIT VCS - Object-oriented design - Creation of detailed design documentation Desirable More ❯

for driven and skilled individuals to join one of the fastest-growing consultancies globally. Job Description We are seeking an experienced Senior Full Stack Java Developer to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity for you to … DRY principles. Hands-on developing/coding role using the following technologies: Frontend (JavaScript/TypeScript or Angular or React or Node). Backend (Java, SpringBoot, Hibernate, Kotlin). Experience in estimation and sizing. Integration experience. API Design experience. Cloud experience. Appetite to work with emerging AI technologies. SC More ❯

from RE Partners Talent Acquisition Partner @ RE Partners | IT & Tech Recruitment | Hiring B2B Contractors | 100% Remote | EMEA Region We are looking for a skilled Java Developer with DevOps knowledge to join our DevSecOps team. If you're passionate about automation, security, and scalable software development, this role offers … ll Do: Develop Gradle/Maven/npm/PyPi plugins for SBOM collection and security scanning Build and maintain REST API microservices using Java 17 (and occasionally Go), deploying them on OpenShift/Kubernetes Integrate security tools like Snyk, BlackDuck, OWASP DependencyTrack, and Artifactory into our CI/… to optimize and maintain our DevSecOps toolchain Collaborate with developers worldwide to streamline integrations and improve development workflows What We’re Looking For: Strong Java development experience (especially in web-based applications) Understanding of DevSecOps principles (Shift Left, SCA, SAST) Experience with Linux, Bash scripting, and containerization tools (Docker More ❯

Job Details Position: DV Cleared Software Engineer, Java Developer, Python, Backend Engineer, London Client: Experis UK Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 1 Posted: 23.05.2025 Expiry Date: 07.07.2025 Job Description Our client, a global organization, urgently requires experienced Back End … to join their team on a permanent basis, working with Central Government clients. The ideal candidate will have: Extensive experience as a back end developer, particularly with Government or Defence applications (DV Cleared) Experience building solutions within a DevSecOps and Agile environment DV Clearance Responsibilities include: Delivering features end More ❯

/join with: We are EC Markets, a leading FCA-regulated trading brokerage company. We are looking for a talented and enthusiastic Full-stack Java Developer to join a growing team of experienced technologists and finance professionals and build a brand-new trading system in Java and More ❯

One of our clients seeks a Java Developer to join their dynamic team on an initial 6 month contract . This position is Hybrid (3 Days a week in office) and based in London. Key Skills: 5+ Years experience in Software Development Strong experience with Java and More ❯

job and more exclusive features. CyTAL is a leading cybersecurity company expanding its development team for our innovative suite of cybersecurity tools. As a Java Developer in our multidisciplinary team, you will be actively involved in Java coding and advancing our cybersecurity testing solutions. You will have … methods Promote best practices and innovation within the development team Collaborate closely with team members to troubleshoot and resolve technical challenges Demonstrate proficiency in Java and related technologies Experience with Test Driven Development, J-Unit, and user testing Use of GIT version control system Object-oriented design principles Creation … Engineering and Information Technology Industries IT Services and IT Consulting Referrals can double your chances of interviewing at CyTAL. Set up job alerts for “Java Software Engineer” roles. Locations include London, England, UK, with recent postings from 1 week to 2 months ago. #J-18808-Ljbffr More ❯

As a Barclays Front-Office Java Developer you will be working in a dynamic front office technology team developing solutions for the Rates and Credit Trading Desks. You will be joining a team accountable for designing and building low-latency software components, performance tuning and enhancements, making sure … will you be doing? Developing solutions both tactical and strategic problems to meet business requirements Producing code that is appropriate for a low-latency Java platform Understanding requirements and help the team to deliver high quality solutions Providing estimates for tasks, including design, development, technical debt, and testing Participating … pricing and trading capability across Equities, Foreign Exchange (FX), Rates, Credit, Securitized Products What we’re looking for: Advanced understanding and working knowledge of Java language and its internals Experience in writing low-latency multithreaded applications on Linux Understanding of multi-threading, memory management, caching, networking, distributed systems, algorithms More ❯

Global Banking & Markets - GMD Engineering - Java Developer - Associate - London location_on London, Greater London, England, United Kingdom OUR IMPACT Goldman Sachs Electronic Trading (GSET) strives to be the top provider in electronic trading by building superior technology and delivering high quality products by investing in people, platforms, and … from requirements gathering, design, implementation, testing, support, and monitoring. RESPONSIBILITIES Design, build and maintain high-performance, high-availability, high-capacity, yet nimble and adaptive Java platforms satisfying a range of business needs. Work in partnership with the wider engineering & product teams to design and implement best-in-class solutions. … systems that can be reused and leverage work and experience from the other regions. SKILLS & EXPERIENCE WE’RE LOOKING FOR BASIC SKILLS & QUALIFICATIONS Strong Java programming skills in a low latency/zero GC environment. Excellent academic record in a relevant technical field, e.g. Comp Sci, Engineering, Mathematics or More ❯

Senior Java Algorithm Developer/Tech Lead | European Financial Services Firm | £150K+ Paragon Alpha - Hedge Fund Talent Business provided pay range This range is provided by Paragon Alpha - Hedge Fund Talent Business. Your actual pay will be based on your skills and experience — talk with your recruiter to …/Quant Developers/Software Engineer/Global Hedge Funds Paragon Alpha is partnered with a well-established Financial Services Firm hiring a Senior Java Developer to lead the buildout of a greenfield execution platform for their Equities desk in London. You will be central to the planning … and build a new development team to support the platform’s expansion and management. You should have hands-on experience in Equities trading and Java development for full-stack trading systems, capable of engaging directly with trading floor professionals. This is a leadership opportunity to influence the client’s More ❯

Senior Java Developer – Market Connectivity – Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that connects to external trading venues and market … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g. FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯

Senior Java Developer – Market Connectivity – Equities (Contract) Location: London (Hybrid) A leading investment bank is seeking a senior Java engineer to join its Equities Connectivity team on a contract basis. This is a key role supporting a critical platform that connects to external trading venues and market … high-performance messaging Contribute to ongoing platform upgrades and modernisation Help shape the long-term strategy of the connectivity stack Key Requirements: Strong Core Java, multithreading, and concurrency experience Knowledge of market connectivity protocols (e.g. FIX) Experience in any asset class, equities preferred, but others considered Ability to work More ❯

I am currently working with a London-based investment bank who are actively seeking a Senior Java Developer to join a long-term platform modernization project. What you'll need to succeed Extensive hands-on Java Development experience with a focus on data migration and transformation projects. More ❯

Lead Backend Developer Python Java AWS, London Client: Client Server Location: London, United Kingdom Job Category: Other EU work permit required: Yes Job Description: Lead Backend Developer/Software Engineer (Python Java AWS) London/WFH to £115k Are you a backend-focused software developer … Hammersmith office and two days remote. When in the office, enjoy onsite gym, barista coffee, and free breakfast. About you: Experienced backend-focused software developer with Python, Java, and good AWS knowledge Product-focused with good business acumen Understanding of software architecture, database optimisation, infrastructure, scalability, and deployment … Octopus Electric Vehicles, Evans Cycle to Work scheme, showers, and towels for cycling enthusiasts Apply now to find out more about this Lead Backend Developer/Software Engineer (Python Java AWS) opportunity. At Client Server, we value diversity and are an equal opportunities employer. We welcome applicants from More ❯

Join us at Barclays as a FIF Java Developer and build innovative software solutions that enhance business and technology capabilities. Use advanced engineering methodologies to develop impactful tools for our customers and colleagues. Requirements: - Proficiency in Java development, including designing, implementing, and optimising software solutions. - Experience with More ❯