1 to 25 of 109 Senior Java Developer Jobs in London

Social network you want to login/join with: Location: Surrey, UK Type: Full-Time Are you a skilled Java developer with expertise in AWS, looking to join a pioneering Fintech company that builds innovative and highly scalable software solutions for global clients? If you thrive in a dynamic, fast-paced environment where your contributions make a tangible … impact, we want to hear from you. We are seeking a Senior Software Engineer to join our talented team of developers. You’ll work on cutting-edge financial technology products, collaborating closely with a multidisciplinary team to deliver robust, efficient, and secure solutions. Key Responsibilities Design, develop, and maintain high-performance, scalable software solutions using Java and AWS. … issues in production and development environments. Mentor junior developers and provide technical leadership within the team. Key Requirements Proven experience as a Software Engineer, with a strong focus on Java (Spring Boot preferred). Hands-on experience with AWS services, including but not limited to EC2, S3, Lambda, and RDS. Solid understanding of RESTful API design and enterprise microservices. More ❯

About The Role Hippo is recruiting Senior Java Developers to join our Hippo Herd. Senior Java Developers work in multi-disciplinary teams that build, support & maintain User-Centred digital solutions that offer real value and work for everyone. Hippo's Senior Java Developers are experts in their field. You will act as a senior … s technical deliverables, maintain client relationships and be passionate about developing and upskilling others. Please note, we are looking for candidates who are looking for growth at this level (senior), therefore the advertised salary band is the lower end of our full banding for this level of position, allowing for progression in the role. Your role in nutshell: Act …/written communication skills, able to articulate in both technical/non-technical terms depending on audience The full development lifecycle delivering user-centred digital solutions A full stack developer using core Java, CXF, Spring Boot, Jetty, Mustache, HTML, CSS & JavaScript JavaScript library and framework experience is preferable - Node, React, Angular Containerisation experience - Docker or Kubernetes or similar More ❯

Senior Java Developer Are you self-motivated with an innovative mind, a passion for technology, and a good understanding of object orientated development? Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them … Sachs Asset Management and Everstone Capital, Apexon now has a global presence. The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a senior developer responsible for the development of new software products and enhancements to existing products. You should excel in working with large-scale applications and frameworks and have outstanding … development of complex software solutions Partnering effectively with client project teams A natural ability to mentor junior developers You’ll have: 6+ years of commercial software engineering experience in Java, Springboot, Microservices, AWS, Docker, Kubernative, Kafka. Service oriented architecture development TDD/BDD Experience working in an Agile environment Natural self-motivation with a passion for delivering excellence Great More ❯

Are you ready to take the next step in your career as a Senior Java Developer? Join one of the world's leading IT services, consulting, and business solutions organization. Founded in 1968, the company consistently ranks among the top global IT service providers. With a presence in over 50 countries, the company has built a reputation … quality technology services across industries including banking, healthcare, telecommunications, and retail. The leading consultancy firm partnered with a global front-office technology team and is looking for a skilled Senior Java Developer to focus on modernising a real-time, event-driven system while improving scalability to accommodate increasing business event processing and data volumes. Want to be … part of a team that thrives in excellence? Feel free to reach out and apply today! Responsibilities: Design, develop, and maintain high-performance, scalable, and secure Java applications. Write clean, efficient, and maintainable Java code following best practices. Develop microservices using Spring Boot. Handle asynchronous processing using Kafka or Message Queues (MQ). Design and optimize database schemas More ❯

microservices as part of an agile development team Migrate existing services to microservices to reduce complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers to develop functional test cases Develop deployment systems for Java-based applications Collaborate with product owners on user story generation and refinement Monitor and … support the operation of production systems Participate in knowledge sharing activities with colleagues Engage in pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes: Good communication skills Problem-solving ability More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : £80-120,000 + bonus + equity We are thrilled to be … wholly protected in terms of data privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience developing with … Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern working environment, following agile methodologies with CI/CD. This is an More ❯

Are you an experienced Java Developer looking for a new challenge and to work for an AI startup with an important mission? 🚀 Senior Java Developer – Revolutionising Data Security 🚀 Location : Hybrid working 1-3 days a week in central London (King’s Cross) Salary : £80-120,000 + bonus + equity We are thrilled to be … wholly protected in terms of data privacy and security, amidst the GenAI boom. This is an incredibly exciting time to join the team as they are growing with multiple Senior Java Developers as well as DevOps Engineers. As a Senior Java Developer, you will: Have 5+ years experience as a Software Engineer Experience developing with … Java, Spring Boot, Microservices, Kafka (or other messaging queues e.g. RabbitMQ), AWS, Docker, Kubernetes A desire to be part of an important mission Be adaptable to working in the buzzing, dynamic fast-paced environment of an early-stage scale-up They are avid promoters of a modern working environment, following agile methodologies with CI/CD. This is an More ❯

Eeze Hammersmith, England, United Kingdom Join or sign in to find your next job Join to apply for the Mid-Senior Java Developer role at Eeze Eeze Hammersmith, England, United Kingdom Join to apply for the Mid-Senior Java Developer role at Eeze Eeze is a fast-growing iGaming provider looking to expand its … operations in the European market. We design, develop, and deliver immersive live casino games tailored to your brand and its audience. Job Summary As a Java Developer within Core Team, you will play a crucial role in the development of our Back Office and integration services. This position provides the opportunities to work on several greenfield projects, from … concept designs to deploying and implementation, but also gain production experience. You'd be a great fit if you are a reliable individual with a solid understanding of Java and Spring alongside being passionate for new technology trends! Key Responsibilities: API Development: architect and code integration APIs to support seamless communication between systems Feature Implementation: collaborate with the product More ❯

of an agile development team Migrate existing services to microservices, with the goal of reducing complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers in development of functional test cases Develop deployment systems for Java based systems Collaborate with product owners on user story generation and refinement Monitor … and support the operation of production systems Participate in knowledge sharing activities with colleagues Pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes: Good communication Problem Solving Self-starter Team … in the office and focus time from the comfort of your home. To learn more about our business, culture, and community involvement, visit www.globalrelay.com. Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Industries Software Development Referrals increase your chances of interviewing at Global Relay by 2x More ❯

re working with our financial services client on modernising their trading platform using React, Microservices, AWS technical stack while maintaining the current trading platform. Hence the need for a senior Java developer who has worked on applications that are built using AWS SaaS/PaaS platforms following Microservices architecture. This is an opportunity for an enthusiastic software … engineer to join the development team as a senior developer. S/he will be responsible for a spectrum of assignments from working on new products, system and product enhancements, and systems architecture to bug fixes. We are seeking skilled technologists who have strong technical skills and the leadership characteristics required to guide others from a technical perspective. This … new functionality and maintain the client’s trading platform. Initiatives include product enhancements and new workflows for trading, and server-side programming and messaging. Perform the above duties utilizing Java, AWS, PostgreSQL, Spring Boot, Gradle, Redis. Improve the scale and performance of the growing system. Coordinate with business analysts and quality assurance daily. Present technical designs of work performed More ❯

Your role: Joining the Connectors product line as a Senior Java Developer, you would work as a member of a small, highly focused team, responsible for delivering backend services for highly scalable and robust messaging, using leading edge technologies. This is an opportunity to work in an environment that encourages creative thinking and autonomy. We encourage our … of an agile development team Migrate existing services to microservices, with the goal of reducing complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers in the development of functional test cases Develop deployment systems for Java-based systems Collaborate with product owners on user story generation and refinement … Monitor and support the operation of production systems Participate in knowledge sharing activities with colleagues Pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes: Good communication Problem Solving Self-starter More ❯

Senior Java Developer - (Job Number: 00054708361) Pay Competitive Location London/England Employment type Full-Time Job Description Req#: 2058093 !*! Job Summary We're looking for a Backend engineer with JAVA AWS skills who will take a key role on our team. Our developer must have knowledge in all stages of software development. Required Skills … or other similar distributed SCM systems Experience working with relational and non-relational databases Maintain code integrity and organization. Understanding and implementation of security and data protection Essential Skills: Java 11 and above, Spring Framework, MVC, JDBC, JPA, Docker, Kubernetes, Cloud API's. Java EE architecture, with a focus on Spring Framework, JPA, and JAX-RS web services More ❯

barriers. We encourage you to apply if your qualifications and experience are a good fit for any of our openings. Your role: Joining the Connectors product line as a Senior Java Developer, you would work as a member of a small, highly focused team, responsible for delivering backend services for highly scalable and robust messaging, using leading … of an agile development team Migrate existing services to microservices, with the goal of reducing complexity at the design and architecture level Write unit and integration tests for your Java code Collaborate with testers in development of functional test cases Develop deployment systems for Java-based systems Collaborate with product owners on user story generation and refinement Monitor … and support the operation of production systems Participate in knowledge sharing activities with colleagues Pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development CI/CD Attributes: Good communication Problem Solving Self-starter Team More ❯

About Us At Citi, we are committed to improving developer productivity across the organization. Our team focuses on building innovative DevSecOps solutions that empower developers to deliver secure and high-quality software efficiently. We contribute to open-source projects, particularly around the CycloneDX SBOM standard, and leverage cutting-edge technologies to create impactful tools and integrations. Key Responsibilities: Design … develop, and maintain APIs and microservices using Java 21, Java 8, Project Reactor, and Spring WebFlux. Build and enhance SCA plugins for Gradle, Maven, and npm to identify vulnerabilities. Develop integrations with tools such as GitHub, SonarQube, TeamCity, Jenkins, and Tekton. Contribute to open-source projects, especially CycloneDX. Implement and manage dependency management solutions using Gradle, Maven, npm … Mockito, WireMock, and Testcontainers. Collaborate with cross-functional teams to implement DevSecOps practices, including SCA, SAST, shift-left, and secure SDLC. Required Skills and Experience: Strong proficiency in Java (Java 21 and Java 8). Experience with reactive programming (Project Reactor, Spring WebFlux). Solid understanding of DevOps and DevSecOps principles, including SCA, SAST, and shift-left More ❯

guidance in deploying microservices as part of an agile team Migrate existing services to microservices, reducing complexity at the design and architecture level Write unit and integration tests for Java code Collaborate with testers on functional test case development Develop deployment systems for Java-based systems Collaborate with product owners on user story generation and refinement Monitor and … support production systems Participate in knowledge sharing activities with colleagues Engage in pair programming and peer reviews About you: Required Experience: Minimum 8 years of Java development experience in an Agile environment, building scalable applications and services Experience with RESTful services Passion for Test Driven Development Experience with CI/CD Attributes: Good communication skills Problem-solving abilities Self More ❯

Job Title: Senior Java Developer Day Rate: Via Umbrella Length of Contract: 6 months (huge potential for extension) Location: Bromley Hybrid (3 days onsite) About client: One of the largest financial institutions in the U.S., it serves millions across consumer banking, investment, and wealth management. Headquartered in North Carolina, it plays a pivotal role in global finance. … Role Overview: We are seeking an experienced Senior Java Developer with a strong background in the banking and financial services sector, particularly in corporate and commercial payments/deposits. The ideal candidate will play a key role in designing, developing and supporting robust, scalable applications, working within Agile delivery teams. Responsibilities: * Design, develop and maintain Java … required* Work both independently and collaboratively within Agile teams* Produce clear, well-documented code and technical documentation* Communicate effectively with stakeholders at all levels Skills & Responsibilities: * Strong proficiency in Java development, with experience spanning Java 11+ through to the latest versions (Java 24)* Solid experience with Spring Boot and microservices architecture* Hands-on experience with OpenShift or More ❯

Join to apply for the Senior Java Developer - London role at Citi Join to apply for the Senior Java Developer - London role at Citi Overview Citi is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations … 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 More ❯

Senior Java Developer – 70K Location: Yorkshire Industry: IT Salary: £60000 - £70000 per annum + Pension, Health, Gym Posted: 27/08/2024 Description Senior Java Developer, Java Software Engineer, Java 17, Spring Boot, Maven, Git, GitHub Actions, SQL, Microservice architecture, Kafka Steams, Kubernetes, React, Typescript – Technical lead on project – Fully remote … if need be – 70K About the Role As the Senior Java Software Engineer, you’ll be a key player in developing this cutting-edge CRM SAAS solution. You’ll work on projects throughout the software lifecycle, from requirements analysis to release management and support. What You’ll Do * Work with the wider project team, engaging with PM & Business … Analyst’s and communicating the technical project requirements * Develop and unit test Java software applications * Work on the customer-driven proactive roadmap, introducing innovations for new digital services * Report directly to the Principal Engineer Required Skills and Experience * A solid background in software development * Experience in holding more senior roles within the team or project * Expertise in: Java More ❯

Senior Java Developer Company Profile: Morgan Stanley is a leading global financial services firm providing a wide range of investment banking, securities, investment management and wealth management services. The Firm's employees serve clients worldwide including corporations, governments and individuals from more than 1,200 offices in 43 countries. As a market leader, the talent and passion … a place for people to learn, to achieve and grow. A philosophy that balances personal lifestyles, perspectives and needs is an important part of our culture. Existing Tech Stack: '?' Java '?' Python '?' HTML 5, CSS3, Angular '?' Git, Teamcity, Jenkins, Stash '?' Utilisation of the latest Firm technologies including Treadmill PaaS, Splunk-based LaaS and Service Discovery Role Profile: '?' You will be … a proficient Java developer, who will be hands on, in a delivery focused role. '?' You will have strong communications skills to build a strong relationship with business stakeholders including sales, trading and quants. '?' You will be a proactive member of an agile development team, focusing on efficient application delivery to meet business KPI's. '?' You will encourage innovation More ❯

have the right technical skills, and are looking for exciting opportunities, we invite you to apply and join our fast-growing, dynamic team. We are looking for an experienced Senior Java Developer to be a part of our Wellcreator development team. Duties & Responsibilities: Hands-on experience in developing applications using Java EE platforms, Spring Framework, Spring … Boot, Hibernate, Java Swing, Java FX, JPA, Batch Processing, Java 8, or higher versions. Expertise in producing RESTful APIs and back-end services. Experience in agile development, GIT, or Maven. Familiarity with continuous integration and build tools such as Jenkins. Contribute to all phases of the development life cycle. Write well-designed, testable, and efficient code. Willing 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 More ❯

Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on, impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a … highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a Senior Full Stack Developer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and … develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as well as writing and optimising SQL database queries. You'll input into technical discussions and decision making, as a senior member of a small team where you'll be able to influence best practice and technology choices. Location/WFH More ❯

Client Server Location: london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 24.06.2025 Expiry Date: 08.08.2025 col-wide Job Description: Senior Full Stack Developer/Engineer (Java Angular) London/WFH to £90k Are you full stack technologist? You could be progressing your career in a hands-on … impactful, Senior Full Stack Developer role, working on a "tech for good" product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a Senior Full Stack Developer you … will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll design and develop scalable backend Java services and REST APIs and build responsive, user friendly interfaces using Angular (v15+) as well as writing and optimising SQL database queries. You'll input into More ❯

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 … 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 … 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 More ❯

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 … 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 … 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 More ❯