226 to 250 of 3,757 Java Jobs

Now Hiring: Senior Java Developer (Kafka) – 12-Month FTC (rolling with years of work available - up to £120k base 📍 Location: London (On-Site 4 days per week) 📅 Initial 12-month fixed-term contract rolling with years of work available A leading global trading firm is hiring a Senior Java Engineer with strong Kafka expertise to work on a mission-critical … up. The system has already gone live with its first electronic venue and is now scaling fast across multiple markets and asset classes. 🧠 What You’ll Be Working With Java 17 & Spring Boot 3 Apache Kafka for high-volume data streams Vertica & MSSQL Kubernetes (on-prem orchestration) Microservices architecture, containerised environments Agile delivery with strong autonomy and ownership 🎯 Your Impact … to a system designed to run with minimal dev involvement post go-live 🔍 What We’re Looking For Proven commercial experience with Apache Kafka in high-throughput systems Deep Java expertise (Java 17 preferred) Strong understanding of microservices, distributed systems, and containers Background in financial services or trading platforms is a major plus A proactive, delivery-focused engineer who thrives More ❯

Fimatix are a leading Software Delivery Consultancy and we specialise in supply various departments with HM Government. We are looking to recruit a contract Java/Go Developer for one of our HM Gov programmes. This is an initial 6 month contract and is INSIDE IR35. We are seeking a talented and motivated Java & Go Developer to help scale and … evolve a modern, cloud-native platform built on AWS and Kubernetes (EKS). Key Responsibilities · Design, develop, test, and deploy robust and scalable applications using Java and Go programming languages. · Integrate applications with AWS services, particularly AWS Simple Notification Service (SNS) for messaging and event-driven architectures. · Implement and maintain observability solutions, including logging, monitoring, and tracing, to ensure system … reviews to ensure code quality and adherence to best practices. · Contribute to the improvement of our development processes and tooling. · Stay up-to-date with the latest advancements in Java, Go, and ForgeRock technologies. · Document technical designs, implementations, and troubleshooting steps. Essential Skills · Strong proficiency in both Java (with experience in frameworks like Spring/Spring Boot) and Go. · Experience More ❯

Fimatix are a leading Software Delivery Consultancy and we specialise in supply various departments with HM Government. We are looking to recruit a contract Java/Go Developer for one of our HM Gov programmes. This is an initial 6 month contract and is INSIDE IR35. We are seeking a talented and motivated Java & Go Developer to help scale and … evolve a modern, cloud-native platform built on AWS and Kubernetes (EKS). Key Responsibilities · Design, develop, test, and deploy robust and scalable applications using Java and Go programming languages. · Integrate applications with AWS services, particularly AWS Simple Notification Service (SNS) for messaging and event-driven architectures. · Implement and maintain observability solutions, including logging, monitoring, and tracing, to ensure system … reviews to ensure code quality and adherence to best practices. · Contribute to the improvement of our development processes and tooling. · Stay up-to-date with the latest advancements in Java, Go, and ForgeRock technologies. · Document technical designs, implementations, and troubleshooting steps. Essential Skills · Strong proficiency in both Java (with experience in frameworks like Spring/Spring Boot) and Go. · Experience More ❯

We’re seeking a seasoned Java Backend Developer to join a core engineering team working on consolidation of microservices, legacy system upgrades, and application modernization. This role demands strong backend fundamentals, an eye for clean architecture, and the ability to collaborate with teams across geographies. Must-Have Experience 4+ years professional experience in Java development Proficient with Java 11+ Deep … ability to collaborate across distributed global teams Comfortable with legacy systems: refactoring, maintaining, and upgrading Project Involvement Includes Consolidating multiple legacy microservices into domain-aligned unified services Migrating legacy Java applications to modern Spring Boot infrastructure Diagnosing production issues using logs, stack traces, and performance metrics Participating in application upgrades, dependency migration, and technical cleanup Working closely with cross-functional More ❯

Java Developer- SC Security Clearance- Central Government InterQuest Posted 3 days ago Java Developers- SC Security Clearance- Central Government Multiple Java Developers, ideally with current SC Security Clearance and strong Java software development skills in Java 11 plus and MongoDB is needed to work with our central government client on one of the UK's most high-impact digital services. … to take a hands-on technical and leadership role at the heart of government digital transformation - influencing direction, engineering best practices, and helping deliver critical systems used by millions. Java Developers- SC Security Clearance- Central Government- Essential Skills • Strong hands on Java Software development skills to Java 11 or higher. • Excellent software engineering abilities across Java microservices, Hexagonal architecture, MongoDB … design and assurance. • Experience delivering in complex, multi-disciplinary environments. • Current SC Security Clearance or the ability to undergo clearance. • Passionate about building high-quality, secure and maintainable systems. Java Developers- SC Security Clearance- Central Government- Responsibilities • Provide technical direction and leadership for a critical agile delivery team. • Lead either citizen/agent-facing digital product teams or shared platform More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer, you will provide technical … in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties: Develop high-quality, performant, and reliable Java applications. Guide and mentor developers, including offshore teams and contractors. Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead the … performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience: 4+ years of experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Strong DevOps knowledge, particularly with Ansible or More ❯

Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading whiskey. As a Software … introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a … 2.1 or above gained in Computer Science (or similar STEM discipline) from a top tier university (e.g. Russel Group) backed by A's at A-level You have strong Java and Kotlin development experience You have experience with Agile processes and TDD You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms Other More ❯

Join an impactful freelance mission at one of Belgium's top-tier banks! We're looking for an experienced Backend Java Developer to help shape and build risk management solutions within a leading banking partner's modular, modern architecture. Logistics: Position: Freelance Backend Java Developer Duration: 24-Month Contract Location: Brussels (Hybrid - 2 days/week on-site) Languages: English … French and/or Dutch is a plus) Start Date: 10 July 2025 Day Rate: €(Negotiable & Competitive) Core Responsibilities: Design and develop performant and scalable backend solutions in Java using Spring Boot Contribute to greenfield-style development projects in a modular, service-oriented environment Translate business needs into technical design in close collaboration with product and risk teams Apply clean … hexagonal patterns Support CI/CD delivery pipelines and containerised deployments Participate actively in code reviews, squad rituals, and design discussions Essential Skills: 6+ years of hands-on backend Java development Expert knowledge of Spring Boot Familiarity with Kafka for event-driven architecture Solid understanding of container orchestration (Kubernetes) Proficient in RESTful APIs and relational databases (Oracle) Experience with TDD More ❯

We’re seeking a seasoned Java Backend Developer to join a core engineering team working on consolidation of microservices, legacy system upgrades, and application modernization. This role demands strong backend fundamentals, an eye for clean architecture, and the ability to collaborate with teams across geographies. Must-Have Experience 3-6 years professional experience in Java development Proficient with Java 11+ … ability to collaborate across distributed global teams Comfortable with legacy systems: refactoring, maintaining, and upgrading Project Involvement Includes Consolidating multiple legacy microservices into domain-aligned unified services Migrating legacy Java applications to modern Spring Boot infrastructure Diagnosing production issues using logs, stack traces, and performance metrics Participating in application upgrades, dependency migration, and technical cleanup Working closely with cross-functional More ❯

Lead Java Software Engineer with around 7-10 years of experience, including relevant Financial Markets knowledge, sought to Co-Lead a team of 12 for a Multi-Award-Winning $5BN+ AUM Systematic Hedge Fund. My client is one of the original Systematic Investment firms and is proud of its genuinely collegiate, friendly and supportive culture, with an enviably low staff … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. You … This could have been gained in a FinTech, Investment Bank, Investment Manager, Market Venue, or Trading firm. Experience line managing, coaching or leading teams. Strong development skills in core Java with the ability to work collaboratively and communicate clearly and concisely with both technical and non-technical audiences. Experience in Python or MATLAB, and cloud and container technologies such AWS More ❯

Lead Java Software Engineer with around 7-10 years of experience, including relevant Financial Markets knowledge, sought to Co-Lead a team of 12 for a Multi-Award-Winning $5BN+ AUM Systematic Hedge Fund. My client is one of the original Systematic Investment firms and is proud of its genuinely collegiate, friendly and supportive culture, with an enviably low staff … back, outside of Portfolio Management and Research systems, including Execution and Order Management systems, as well as Risk, Fund Accounting, Operations and Corporate Functions. Software is mainly written in Java but also the team also work with Python, MATLAB, SQL, AWS, Docker, Kubernetes, Linux and CI/CD, as well as integrating with various SaaS products, such as HRMS. You … This could have been gained in a FinTech, Investment Bank, Investment Manager, Market Venue, or Trading firm. Experience line managing, coaching or leading teams. Strong development skills in core Java with the ability to work collaboratively and communicate clearly and concisely with both technical and non-technical audiences. Experience in Python or MATLAB, and cloud and container technologies such AWS More ❯

Java Developer - UK Highest Government Clearance Required Location: Manchester/Cheltenham (Hybrid/Remote Options) Salary: Competitive + Benefits Relocation Assistance: May be available UK Citizenship Required Security Clearance: Must be able to gain and maintain the highest level of UK Government clearance Opportunity Overview We are seeking a Java Developer to join a dynamic team delivering cutting-edge solutions … Mentor and support junior developers to foster team growth and technical excellence Essential Skills and Experience Minimum of 2 years' experience in software development with a strong focus on Java backend development and its ecosystem (e.g. Spring Boot, Maven) Proven ability to design, develop and deploy scalable backend systems Experience with CI/CD pipelines, containerisation, deployment technologies and cloud More ❯

Senior Java Analyst Developer/Technical Consultant £800 p/d Outside IR35 Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the fintech … required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket), or More ❯

Senior Java Analyst Developer/Technical Consultant £800 p/d Outside IR35 Quant Capital is urgently looking for a Java Analyst Developer/Technical Consultant to join our high profile client. Our client is a global trading platform software business. Its products are used globally by most asset managers and pension funds. They are well known in the fintech … required). Technical Consultants/Analyst Developers must have: 8+ years’ full-stack experience as Senior Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. FIX Experience Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket), or More ❯

Java Developer – GLoucester | Permanent | On-Site | 4-day Flex Working Defence, Cyber & Intelligence Programmes | Competitive Benefits About the Opportunity A leading defence and cybersecurity organisation is seeking Java Developers at all levels to join their growing team, working across a range of cutting-edge projects in the national security, cyber defence, and intelligence sectors. You’ll play a key role … particularly for cloud-based deployments Work within Agile Scrum teams and contribute to continuous improvement initiatives Mentor and support junior engineers where appropriate Essential Skills and Experience Proficient in Java (latest versions) and Python Strong development experience on Linux platforms Knowledge of unit testing and mocking frameworks, particularly JUnit 5.x (Jupiter) Familiar with Git version control and GitLab CI/ More ❯

candidates will function as an integral member of a multi-contractor team providing program, engineering, and technical support to Missile Defense programs. The chosen candidate will be responsible for Java software development. Job Duties/Responsibilities Responsible for performing in-depth analysis and technical support of systems software products, including complex problem resolution, design, development, testing, operational integration, and user … of experience. For non-computer science majors, a comp-sci minor is preferred. IAT2 (Security+ or equivalent) Required Knowledge, Skills, and Abilities Software engineering and software development with strong Java/J2EE experience Experience and knowledge of software practices such as coding standards, automated testing, automated build pipelines, and configuration management Experience developing enterprise applications on Linux Extensive experience with … Java foundation classes and toolkits Small team leadership experience; mentoring and guiding junior engineers Knowledge of server-side/database development, computer system administration Strong problem-solving skills, including reviewing performance and operational issues, identifying root causes, and recommending, designing, and implementing a solution Use of common software development and management tools such as Maven, Git/GitHub, Nexus, and More ❯

Java Developer £560p/d Croydon - Hybrid ASAP Start Until end of Year Must hold SC and NPPV3 or be eligible for both What you'll bring: Experience of Java. Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them. Excellent knowledge of development processes. Experience of containerization using Docker or Kubernetes. Experience of More ❯

Sports Betting and Hospitality products as we grow our market share, working alongside like-minded superstars who thrive on innovation and excellence. We have an immediate opening for a Java Engineer! This role is hybrid, working a minimum of 1 day per week from your home office location. Home Office:Leeds, UK What You Will Do Develop and deliver high … quality software solutions. Collaborate with Senior Engineers to contribute as a hands-on Java developer, striving for excellence within the team. Assist in integrating applications with necessary systems and services, ensuring clean and user-friendly APIs. Contribute to the design and development of business logic and backend systems for Retail sportsbook/hotel products, including POS and Kiosk functionalities. Participate … cross-functional teams to deliver customer-centric products that are easy to use and customers love. What You Will Need: 4+ years of development experience with micro-service architectures (Java, Spring, Kafka, AWS, RabbitMQ, SQL, Docker, Python) Experience as a software engineer working within a high growth product tech environment Proficiency in Java and familiarity with the Spring Framework ( Springboot More ❯

real-time TCA and our low latency pre-trade credit component we deliver a performant, cost effective solution to your eFX needs. Role Lucera Financial Infrastructures is hiring a Java Software Engineer for our Belfast office to work on our core infrastructure as a service platform, used by some of the top names in financial services. We are looking for … an ability and desire to pick up new technologies Background in taking products from design right through to delivery Strong sense of writing quality maintainable code Commercial experience in Java (8+) Use of Micronaut/Spring (or equivalent) Frameworks Developing against Relational and NoSQL Database (MongoDB, Postgres etc) Experience with unit testing methodologies and frameworks – e.g Spock, Junit Build systems More ❯

to capital and liquidity. What We Do/The Team We are a global team responsible for a markets-wide strategic risk management platform. We're looking for skilled Java Developers to enhance our platform and integrate it with trading systems across markets. Role Overview/What You'll Do Collaborate with management to integrate functions and identify system enhancements. … Solve critical issues by evaluating complex business and system processes. Apply your Java expertise and ensure architectural alignment. Develop coding standards for testing, debugging, and implementation. Understand the integration of business areas, architecture, and infrastructure. Analyse problems and create innovative solutions. Mentor junior developers and analysts. Key Skills and Experience Required Extensive Core Java experience with strong knowledge of data More ❯

We are looking for a Java Technical Lead with proven experience of building robust, high-performance, large scale Capital Markets applications. Team Background The Derivatives Credit Risk Technology Team is responsible for delivering Counterparty Credit Risk Management software solutions to Citi's Risk organization which manages Citi's exposure to financial institutions, governments and corporates that trade with Citi. The … rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behaviour, conduct and business practices, and escalating, managing and reporting control issues with transparency. Ideal background Core Java experience developing robust, scalable, and maintainable applications applying Object Oriented Design principles. Experience working in the Capital Markets domain. Good understanding of Derivatives and Risk management is as significant advantage. … Experience with Agile software development processes with a strong emphasis on test driven development. Understanding of Java internals such as class loading and memory management. Demonstrated capacity to build sophisticated tooling for development and production team use. Good to have Experience re-engineering large monolithic applications to microservices. Experience re-engineering complex franchise critical applications to new platforms. Experience in More ❯

You will be joining the innovative Information Security Cybertech Engineering team as a full stack software engineer in a global team responsible for developing web applications (Java/Angular), data engineering (Python) and solutions with third party products. You will be working in a collaborative and inclusive fast-paced environment that leverages agile approaches to deliver solutions quickly. You will … contribute to our ongoing success while continuously fostering your own personal and professional growth. Responsibilities: Full stack software development and management of the development life cycle. Developing web applications (Java/Angular), data engineering (Python), and solutions with third-party products. Working in a collaborative and inclusive fast-paced environment that leverages agile approaches to deliver solutions quickly. Working directly … Experience writing complex SQL queries (Sybase advantageous). Proficient with UNIX/LINUX operating systems/commands. Understanding of API Services (SOAP, REST, Graph). Programming Language: Proficient in Java EE with OpenJDK with Spring 4.0+ Framework with Spring Boot/Wi What we offer Competitive salary and benefits package Private health scheme including Private Medical, Dental, Optical and Holiday More ❯

of related professional experience or Master's degree in a STEM major with 3 years of experience related professional experience Required Knowledge, Skills and Abilities Experience developing software in Java and C++ on Linux Experience with source code management tools such as Git, Github, or GitLab Experience working in scrums with Agile/DevOps environments and related tools & processes Ability More ❯

Contributes to software engineering communities of practice and events that explore new and emerging technologies Adds to team culture of diversity, equity, inclusion, and respect Designs, develops, and maintains Java-based applications Collaborates with cross-functional teams to define, design, and ship new features Utilizes AWS services such as EKS, EC2, S3, Lambda, RDS, SQS, SNS, Cloud Watch and others … JS, JSON, Angular 6 or above, Angular CLI Proven experience with BDD/TDD web development models and familiar with Jasmine, Karma, protractor, selenium web driver Experience in Core Java, J2EE frameworks (Spring, Hibernate); JMS Proven knowledge of Internet technologies including REST and/or Web Services Knowledge of Agile and experience in Scrum essential Comfortable with industry standard build More ❯

and technical processes within a technical discipline (e.g., cloud, artificial intelligence, machine learning, mobile, etc.) UI Technology - React or Angular, TypeScript, CSS, Micro Frontend Development, and JavaScript Backend Technology - Java/Spring, Kafka, NoSQL (MongoDB, Cassandra) The following skills and experience are desirable for this role: Exposure to cloud technologies Experience in architecture and design of microservices Learn new skills More ❯