1 to 25 of 43 Java Developer Jobs in London

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. Responsibilities: Engaging … 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 - 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. Responsibilities: Engaging … 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. ...

Lead Full Stack Java Developer - SC Cleared NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE Location: London (Hybrid) Salary: £80,000 - £95,000 per annum Clearance: Active SC Clearance required To apply: email The Company Join a specialist technology … modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology. The Role As a Lead Full Stack Java Developer , you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. ...

Java Developer | Backend | Microservices | FinTech | London | Hybrid | £90k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it’s designed to protect users from … with partners such as Mastercard, Stripe, OpenAI to make sure they leverage latest technology in all their products.They are looking for an experienced Senior Java Developer, predominantly on version 21 with PostGres Database and Spring Boot, to help develop their rapidly growing application, by building REST APIs, Microservices ...

Lead Java Developer | Backend | Microservices | FinTech | London | Hybrid | £140k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it’s designed to protect users … with partners such as Mastercard, Stripe, OpenAI to make sure they leverage latest technology in all their products.They are looking for an experienced Senior Java Developer, predominantly on version 21 with PostGres Database and Spring Boot, to help develop their rapidly growing application, by building REST APIs, Microservices ...

Senior Java Developer 6-12 Month Contract Location: London (4-5 days/week onsite) Competitive Day Rate A Senior Java Developer is required to join a specialist capital markets consultancy delivering data-driven solutions to Tier 1 investment banks and global financial institutions. With deep … delivery initiatives to ensure systems meet the demands of high-volume, low-latency trading environments. Required Skills & Experience 10 years of experience as a Java Developer within investment banking or financial markets Hands-on experience delivering FX Cash and electronic trading solutions Expertise in Core Java ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative … latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support benchmark algos, smart order routing and internal crossing. The main responsibilities ...

Senior Java Developer | Java | Microservices | Vue.js | Up to £120k + Bonus This is the kind of role where strong Java engineers actually get to build things rather than just keep the lights on. The payments/fintech space in the UK has been exploding, and this … work behind the scenes. What's going on? They’re a 150‐strong engineering function and they’re growing again. They need x2 Senior Java developers to help build and shape the core platform that processes over a million transactions a month. It’s complex engineering, working ...

Senior Back-End Java Developer (IDAM) – Contract (Inside IR35) We're looking for a Senior Back-End Java Developer with strong Identity & Access Management (IDAM) experience to join an Agile engineering team delivering enhancements, new features and BAU support for a large-scale IDAM service. … experience Proven IDAM knowledge and hands-on experience integrating with at least one IDAM platform (e.g., ForgeRock, Okta, Azure AD, Auth0, One Identity) Strong Java back-end development (Spring Boot, Hibernate or similar) CI/CD pipeline experience, especially Jenkins DevOps principles and modern deployment pipelines Git version control ...

Senior Java Developer - FX Front E-Trading Platform Our client, a leader in electronic trading, is hiring a Senior Java Developer to enhance their FX trading platform. Key Responsibilities: Develop high-performance FX trading components Build scalable, low-latency solutions Collaborate with traders and tech teams … Maintain high code quality Requirements: 10+ years in Java, with finance/trading experience Expertise in FX cash and electronic trading Skilled in multi-threaded, low-latency applications Knowledge of SQL and agile methods Experience with trading systems and DevOps (desirable) This role can be considered as either ...

Senior Java Developer - FX Front E-Trading Platform Our client, a leader in electronic trading, is hiring a Senior Java Developer to enhance their FX trading platform. Key Responsibilities: Develop high-performance FX trading components Build scalable, low-latency solutions Collaborate with traders and tech teams … Maintain high code quality Requirements: 10+ years in Java, with finance/trading experience E click apply for full job details ...

IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their ...

Back End Java Developer with experience within the iGaming and Gambling sector looking for a new and exciting challenge? BENEFITS : up to £95k depending on experience, fully remote, excellent benefits package You will be joining a rapidly expanding company within the iGaming sector, who are committed to providing … brands within our market, blending sports betting and online casino entertainment on a cutting-edge, custom-built platform. You will be a skilled Senior Java Backend Developer who is a self-motivated professional with a strong track record and a passion for excellence. You'll play ...

Java Low Latency Developer - FX Trading Our client, a leader in electronic FX trading, is seeking a skilled Java developer to build high-performance, low-latency trading systems. You'll work closely with teams to develop, enhance, and support trading infrastructure, ensuring optimal performance and reliability. … Requirements: Expert in high-performance Java applications Experience in electronic trading, FX markets, or FIX protocols Familiar with UNIX and Agile methodologies Strong communication skills This is a great opportunity to influence trading technology in a dynamic environment! This role can be considered as either a day rate contract ...

Java Low Latency Developer - FX Trading Our client, a leader in electronic FX trading, is seeking a skilled Java developer to build high-performance, low-latency trading systems. You'll work closely with teams to develop, enhance, and support trading infrastructure, ensuring optimal performance and reliability. … Requirements: Expert in high-performance Java applications Experience in electronic trading click apply for full job details ...

Role: Our client is seeking a Senior Hands-on Java Developer to join a Tier-1 Global Financial Institution's Fixed Income team. This isn't a "business as usual" role-you will be a key architect in re-engineering a mission-critical trading platform, migrating legacy systems … Focus: Electronic Trading, Messaging Channels, and Exchange Interfacing. Tech Culture: Modern engineering with AI-integrated workflows (GitLab Duo/CoPilot). Your Technical Arsenal Java Expert: Mastery of core Java, Spring Boot, and Spring Integration. Domain Specialist: Deep experience in Fixed Income (Treasuries, Corporate Bonds, Mortgages) and trading ...

Role: Our client is seeking a Senior Hands-on Java Developer to join a Tier-1 Global Financial Institution's Fixed Income team. This isn't a "business as usual" role-you will be a key architect in re-engineering a mission-critical trading platform, migrating legacy systems … Focus: Electronic Trading, Messaging Channels, and Exchange Interfacing. Tech Culture: Modern engineering with AI-integrated workflows (GitLab Duo/CoPilot). Your Technical Arsenal Java Expert: Mastery of core Java, Spring Boot, and Spring Integration. Domain Specialist: Deep experience in Fixed Income (Treasuries, Corporate Bonds, Mortgages) and trading ...

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 … 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 performance improvements across pricing, RFQ, execution, and market-data workflows. Required Experience Extensive background in electronic trading ...

Position: Senior Java Microservices AWS developer Location: London, UK (2 days a week from office) 6 months contract position The Role As Senior Java Microservices AWS developer with a strong hands-on experience, you will design and develop scalable, cloud-native web applications using Java and AWS Serverless architecture Model. Your responsibilities: (Up to 10, Avoid repetition) Design and develop web applications using Java (latest versions), Spring Boot, and AWS technologies. Architect and implement RESTful APIs for distributed enterprise-grade systems. Develop robust, scalable, and high-performance microservices leveraging Spring Boot and modern ...

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). ...

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 ...

Adword Job title: Java Developer with SQL & GIT Duration: Permanent Location: London - Hybrid (3 days a week from office) Job description: We are seeking talented Senior Hands on Java Developers to join our core Fixed Income team in lead and support roles To help design develop … years of experience in software development required 5 years of experience working with Fixed Income Products and Associated Electronic Workflows Strong proficiency with Java SQL and Git Very good understanding of industry standard trading protocols like FIX FpML Proficiency with Data Standards Data Modelling Proficiency with textbased formats like ...

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 ...

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 ...