Java Jobs in London

1 to 25 of 3,651 Java Jobs in London

Lead Java Developer

London Area, United Kingdom
ValueMomentum
Role: Tech Lead – Java Location: Dublin, London – UK Responsibilities Provide technical leadership and mentorship to the team. Participate in software requirement gathering. Create and maintain technical documentation. To write high-quality code to meet customer requirements. Able to troubleshoot, identify root cause and implement effective solutions. Work closely with cross-functional teams to meet business objectives. Peer review of code … solution architects to design scalable and efficient solutions. Ensure that software designs align with business requirements and industry best practices. Requirements Must Have: 8+ Years hands-on as a Java and Java Script Developer with a focus on Spring Boot Microservices and Spring Webflux development. Strong understanding of Java SOLID design principles. Strong understanding of Java and Java Script Low … as Builder pattern, Factory pattern, Visitor pattern, SAGA pattern, CQRS pattern etc. Experience in developing Domain Driven Design patterns including Value Objects, Entities, and Domain Services. Strong understanding of Java, Java Script, Spring Boot best practices, including exception/error handling best practices. Experience in Java and Java Script 8+ features, especially Lambda and Functional Programming Experience in Asynchronous programming More ❯
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Lead Java Developer

City of London, London, United Kingdom
ValueMomentum
Role: Tech Lead – Java Location: Dublin, London – UK Responsibilities Provide technical leadership and mentorship to the team. Participate in software requirement gathering. Create and maintain technical documentation. To write high-quality code to meet customer requirements. Able to troubleshoot, identify root cause and implement effective solutions. Work closely with cross-functional teams to meet business objectives. Peer review of code … solution architects to design scalable and efficient solutions. Ensure that software designs align with business requirements and industry best practices. Requirements Must Have: 8+ Years hands-on as a Java and Java Script Developer with a focus on Spring Boot Microservices and Spring Webflux development. Strong understanding of Java SOLID design principles. Strong understanding of Java and Java Script Low … as Builder pattern, Factory pattern, Visitor pattern, SAGA pattern, CQRS pattern etc. Experience in developing Domain Driven Design patterns including Value Objects, Entities, and Domain Services. Strong understanding of Java, Java Script, Spring Boot best practices, including exception/error handling best practices. Experience in Java and Java Script 8+ features, especially Lambda and Functional Programming Experience in Asynchronous programming More ❯
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Low-Latency Java Senior Associate - Software Engineer III

Westminster Abbey, England, United Kingdom
J.P. MORGAN-1
solutions across multiple technical areas within various business functions in support of the firm's business objectives. JPMorgan's Liquidity and Account Solutions Technology team is seeking highly motivated Java engineers to join our global, diverse technology organization. We focus on providing modern solutions to support the Corporate & Investment Bank's Payments business. Our critical systems manage client liquidity in … technical growth Provide out of hours application support and coordinate of Production releases Required qualifications, capabilities, and skills 5+ years of experience in enterprise software development Excellent understanding of Java fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience in building high-performance, latency-sensitive Java applications Experience in maintaining and troubleshooting software More ❯
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Low-Latency Java Senior Associate - Software Engineer III

London, England, United Kingdom
JPMorgan Chase & Co
solutions across multiple technical areas within various business functions in support of the firm's business objectives. JPMorgan's Liquidity and Account Solutions Technology team is seeking highly motivated Java engineers to join our global, diverse technology organization. We focus on providing modern solutions to support the Corporate & Investment Bank's Payments business. Our critical systems manage client liquidity in … technical growth Provide out of hours application support and coordinate of Production releases Required qualifications, capabilities, and skills 5+ years of experience in enterprise software development Excellent understanding of Java fundamentals and frameworks (Spring Boot), OO programming paradigms, multi-threading, messaging technologies and computer networks Experience in building high-performance, latency-sensitive Java applications Experience in maintaining and troubleshooting software More ❯
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Senior Java Developer

Greater London, England, United Kingdom
Apexon
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 outperform their competition … 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 communication More ❯
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Senior Java Tech Lead

London, England, United Kingdom
Hybrid / WFH Options
Develop
Social network you want to login/join with: Technical Lead - Java Spring Boot - Must have Mobile App Development/Modernisation Location: Hybrid, 1 day a week in London office A leading enterprise organisation that specialises in AI-First solutions is seeking a seasoned Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to drive … domain is highly advantageous. Must have experience with API gateways and mobile app development/modernisation Key Responsibilities: Design and develop high-performance, secure, and scalable backend systems using Java, Spring Boot, and modern architectural patterns. Lead the development of RESTful APIs and microservices, ensuring alignment with mobile platforms and business objectives. Integrate with API Gateway solutions (e.g., Kong, Apigee … with solid experience in technical leadership or solution architecture role. Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. Expert-level proficiency in Java, Spring Boot, and associated Spring modules (MVC, Data, Security). Strong track record in architecting and deploying microservices in enterprise environments. Experience with API Gateway technologies and secure API development. More ❯
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Java Fullstack Developer

London, England, United Kingdom
SilverVertex Recruitment INC
experience in building distributed event-based systems applying agile practices. Sound understanding of microservice architecture and design patterns, system resiliency, scalability, security, and observability. Strong working knowledge of core Java, Spring-boot, and other Spring framework features. Experience with designing and implementing high volume messaging- and rest- based middleware. Experience with defining scalable database models (relational or others). Knowledge … month ago Frontend software engineer (React) - Europe Remote Glasgow, Scotland, United Kingdom $35,000.00-$40,000.00 3 weeks ago Glasgow, Scotland, United Kingdom 1 month ago Graduate Software Developer (Java/Python) Glasgow, Scotland, United Kingdom 2 weeks ago Glasgow, Scotland, United Kingdom 1 month ago Glasgow, Scotland, United Kingdom 15 hours ago Glasgow, Scotland, United Kingdom 1 month ago More ❯
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Java Technical Lead

London Area, United Kingdom
Ascendion
About the Role: We are seeking an experienced and visionary Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to lead the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen, hands-on coding capability, and a leadership mindset to guide teams across the full software development lifecycle. Exposure to mobile … with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX goals. • Drive integration with API … computer science, Engineering, or related field. • 10+ years of professional experience in backend development, with at least 3+ years in technical leadership or solution design roles. • Strong expertise in Java, Spring Boot, and the Spring ecosystem (Spring MVC, Data, Security). • Proven experience architecting and deploying microservices-based systems in complex enterprise environments. • Hands-on experience with API Gateways (Kong More ❯
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Java Technical Lead

City of London, London, United Kingdom
Ascendion
About the Role: We are seeking an experienced and visionary Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to lead the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen, hands-on coding capability, and a leadership mindset to guide teams across the full software development lifecycle. Exposure to mobile … with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX goals. • Drive integration with API … computer science, Engineering, or related field. • 10+ years of professional experience in backend development, with at least 3+ years in technical leadership or solution design roles. • Strong expertise in Java, Spring Boot, and the Spring ecosystem (Spring MVC, Data, Security). • Proven experience architecting and deploying microservices-based systems in complex enterprise environments. • Hands-on experience with API Gateways (Kong More ❯
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Software Engineer III - Java / Kotlin

London, England, United Kingdom
J.P. MORGAN
and shape their own path and a pragmatic and iterative approach to achieving our long-term goals. Required qualifications, capabilities, and skills Formal training or certification on Kotlin or Java concepts and proficient applied experience (if Java, a willingness to learn Kotlin) Contribute to designing and building scalable and performant front-end solutions written in TypeScript using React. Experience building … be nothing short of the best. Preferred qualifications, capabilities and skills Fluency across the full engineering stack, covering TypeScript, React (including common patterns in AG-Grid and Charting libraries), Java and Spring Boot. Experience designing and building solutions on at least one Cloud platform (AWS, GCP). Experience building and deploying on Kubernetes (or some other container orchestration platform). More ❯
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Software Engineer III - Java / Kotlin

Westminster Abbey, England, United Kingdom
J.P. MORGAN-1
and shape their own path and a pragmatic and iterative approach to achieving our long-term goals. Required qualifications, capabilities, and skills Formal training or certification on Kotlin or Java concepts and proficient applied experience (if Java, a willingness to learn Kotlin) Contribute to designing and building scalable and performant front-end solutions written in TypeScript using React. Experience building … be nothing short of the best. Preferred qualifications, capabilities and skills Fluency across the full engineering stack, covering TypeScript, React (including common patterns in AG-Grid and Charting libraries), Java and Spring Boot. Experience designing and building solutions on at least one Cloud platform (AWS, GCP). Experience building and deploying on Kubernetes (or some other container orchestration platform). More ❯
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Senior Software Engineer – Quant Full Stack & Infrastructure (Team Lead)

City of London, London, United Kingdom
Trireme
storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows More ❯
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Senior Software Engineer – Quant Full Stack & Infrastructure (Team Lead)

London Area, United Kingdom
Trireme
storage). Required Skills & Experience: Core Engineering: 5+ years of experience in software development, with exposure to both backend and frontend stacks. Strong programming proficiency in Python, C++, and Java (Quant/Trading grade codebases). Expertise in modern web development with React, Node.js, MongoDB, and SQL (Postgres, MySQL). Strong understanding of Git/GitHub, CI/CD workflows More ❯
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Senior Java Developer

Bromley, Kent, England, United Kingdom
Hybrid / WFH Options
Pontoon
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-based applications using the Spring Boot framework … 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 similar container orchestration More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Java Developer

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
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 … 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. Collaborate with stakeholders to gather requirements and translate them into technical solutions. Contribute to the full software development lifecycle, including design, development, testing, and deployment. Optimize applications for … 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. Experience More ❯
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Java Technical Lead

City of London, London, United Kingdom
Hybrid / WFH Options
developrec
Technical Lead – Java Spring Boot – Must have Mobile App Development/Modernisation Location: Hybrid, 1 day a week in London office A leading enterprise organisation that specialises in AI-First solutions is seeking a seasoned Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to drive the backend engineering strategy for its platform engineering function. … domain is highly advantageous. Must have experience with API gateways and mobile app development/modernisation Key Responsibilities: Design and develop high-performance, secure, and scalable backend systems using Java, Spring Boot, and modern architectural patterns. Lead the development of RESTful APIs and microservices, ensuring alignment with mobile platforms and business objectives. Integrate with API Gateway solutions (e.g., Kong, Apigee … with solid experience in technical leadership or solution architecture role. Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. Expert-level proficiency in Java, Spring Boot, and associated Spring modules (MVC, Data, Security). Strong track record in architecting and deploying microservices in enterprise environments. Experience with API Gateway technologies and secure API development. More ❯
Posted:

Java Technical Lead

London Area, United Kingdom
Hybrid / WFH Options
developrec
Technical Lead – Java Spring Boot – Must have Mobile App Development/Modernisation Location: Hybrid, 1 day a week in London office A leading enterprise organisation that specialises in AI-First solutions is seeking a seasoned Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to drive the backend engineering strategy for its platform engineering function. … domain is highly advantageous. Must have experience with API gateways and mobile app development/modernisation Key Responsibilities: Design and develop high-performance, secure, and scalable backend systems using Java, Spring Boot, and modern architectural patterns. Lead the development of RESTful APIs and microservices, ensuring alignment with mobile platforms and business objectives. Integrate with API Gateway solutions (e.g., Kong, Apigee … with solid experience in technical leadership or solution architecture role. Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. Expert-level proficiency in Java, Spring Boot, and associated Spring modules (MVC, Data, Security). Strong track record in architecting and deploying microservices in enterprise environments. Experience with API Gateway technologies and secure API development. More ❯
Posted:

API Developer - Java

London, England, United Kingdom
NTT DATA
Social network you want to login/join with: NTT DATA UK is looking for a Java Developer with Microservices and AWS experience to join their team. What you'll be doing: The role involves developing clean, well-tested, and maintainable code, collaborating with team members, and ensuring compliance with quality guidelines. Responsibilities include, managing data exchange, and adhering to … addressing non-functional requirements, supporting releases, and staying proactive in adopting new technologies What experience you'll bring: To be successful in this role, you will need: Experience with Java Spring Boot for integration micro-service patterns Knowledge of SOLID principles and clean code Familiarity with streaming data, such as Apache Kafka, and AWS native messaging/streaming features Ability … DATA UK & I Back to search Email to a friend Apply now Apply Job Description The team you'll be working with: NTT DATA UK is looking for a Java Developer with Microservices and AWS experience to join their team. What you'll be doing: The role involves developing clean, well-tested, and maintainable code, collaborating with team members, and More ❯
Posted:

Software Engineer Java Springboot

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Software Engineer Java Springboot, west london col-narrow-left Client: Stealth iT Consulting Location: west london, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 5 Posted: 16.06.2025 Expiry Date: 31.07.2025 col-wide Job Description: Full Stack Engineer – Java | Digital Transformation Projects | Hybrid (UK) Location … team where creativity meets strategy, and where your expertise will help solve complex challenges through cutting-edge technology. What You’ll Be Doing Building scalable, modern digital applications using Java and Spring boot. Creating intuitive front-end experiences using React, Angular, or Typescript Designing and consuming RESTful APIs and working within microservices architecture. Leveraging cloud platforms like Azure or AWS … in agile, cross-functional teams delivering real-world impact. Contributing to CI/CD pipelines and writing clean, maintainable code. What We’re Looking For 3 years experience with Java and Spring boot Familiarity with cloud infrastructure (Azure or AWS). Hands-on experience with CI/CD tools like GitHub Actions, GitLab, Jenkins, or Azure DevOps. Proficiency with version More ❯
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Full Stack Java Developer for Client Team

London, England, United Kingdom
Hybrid / WFH Options
Validsoft
will be given the resources and support you need to help you with your learning journey. What you’ll be doing: This is an opportunity to work as a Java software engineer on a cross-functional Agile Product team. Product teams build and support new features that create business value. Within your product team you’ll typically be working collaboratively … pair programming. Agile development methods such as Scrum or Kanban. REST API development and/or consumption. Relational databases MySQL, SQL Server, Postgres, etc. Experience in frontend work, eg. Java Script/Type Script, Angular, etc. What else you could bring: Docker, Kubernetes Jenkins, Gitlab CI. Familiarity with VoIP OAuth/OpenIDConnect AWS FaaS (Lambdas) Go experience Why us? Validsoft More ❯
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Intermediate Java Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Version 1
we reward those who display and foster them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description As an Intermediate Java Software Engineer, you will be part of a cross-functional team, working on developing high-quality, maintainable software solutions to meet our clients' needs. You will continue to expand your … technical skills and contribute to process improvements, while also taking ownership of key tasks and responsibilities within the project. You will use programming languages such as Java and associated frameworks (e.g., Spring/Spring Boot, JUnit, Hibernate, etc.) to develop software that aligns with client requirements. You will follow best engineering practices and help ensure they are applied throughout the … ensure the best experience for our client’s users. Qualifications Experience of working in a Scrum Team and an Agile environment Solid software engineering background covering SOLID principles with Java experience. Solid experience with Test-Driven Development (TDD) principles, writing unit and integration tests to ensure code quality, and maintaining a reliable testing suite to support continuous integration and delivery. More ❯
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Lead Software Engineering - Kotlin Java React

London, England, United Kingdom
J.P. MORGAN
and shape their own path and a pragmatic and iterative approach to achieving our long-term goals. Required qualifications, capabilities, and skills Formal training or certification on Kotlin or Java concepts and proficient applied experience (if Java, a willingness to learn Kotlin). Contribute to designing and building scalable and performant front-end solutions written in TypeScript using React. Experience … be nothing short of the best. Preferred qualifications, capabilities and skills Fluency across the full engineering stack, covering TypeScript, React (including common patterns in AG-Grid and Charting libraries), Java and Spring Boot. Experience designing and building solutions on at least one Cloud platform (AWS, GCP). Experience building and deploying on Kubernetes (or some other container orchestration platform). More ❯
Posted:

Lead Software Engineering - Kotlin Java React

Westminster Abbey, England, United Kingdom
J.P. MORGAN-1
and shape their own path and a pragmatic and iterative approach to achieving our long-term goals. Required qualifications, capabilities, and skills Formal training or certification on Kotlin or Java concepts and proficient applied experience (if Java, a willingness to learn Kotlin). Contribute to designing and building scalable and performant front-end solutions written in TypeScript using React. Experience … be nothing short of the best. Preferred qualifications, capabilities and skills Fluency across the full engineering stack, covering TypeScript, React (including common patterns in AG-Grid and Charting libraries), Java and Spring Boot. Experience designing and building solutions on at least one Cloud platform (AWS, GCP). Experience building and deploying on Kubernetes (or some other container orchestration platform). More ❯
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Software Developer (CDNA)

London, England, United Kingdom
Crypto.com
to design solutions that meet the demanding needs of a high volume, real-time system, with a focus on performance and reliability. Responsibilities Develop, test and maintain high-quality Java applications to serve millions of global users Collaborate with product managers, stakeholders and other software developers to design and implement software solutions that meet business requirements Analyse, troubleshoot and debug … complex Java applications and identify areas for improvement Establish a quick turnaround deployable system with automated testing and continuous integration and delivery Ensure that software solutions are scalable, reliable and performant Develop and maintain technical documentation for applications and processes Ensure that software solutions are in compliance with industry and regulatory standards Participate in code reviews and provide constructive feedback … following up on issues Requirements Bachelor's or Master's degree in Computer Science or a related field At least 4 years of professional experience in developing and maintaining Java applications Solid knowledge of core Java, Spring Framework, and other relevant frameworks and tools Understanding of software development best practices, including agile methodologies, test-driven development and continuous integration/ More ❯
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Lead Software Engineer

London, United Kingdom
Lloyds Banking Group
takes ownership of design and delivery and is willing to help grow and guide junior engineers towards appropriate target architectures Strong programming skills with a good working knowledge of Java & Spring Boot microservices and/or modern JavaScript libraries, such as ReactJS, as well as a proficient understanding of modern engineering toolsets like Kubernetes and Jenkins Knowledge of java development More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Java
London
10th Percentile
£57,500
25th Percentile
£74,675
Median
£105,000
75th Percentile
£132,500
90th Percentile
£142,500