Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a fast-growing FinTech tackling cross … payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. More ❯
Nottingham, England, United Kingdom Hybrid / WFH Options
UST
with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively within a team Commitment to best practices, including Pair Programming More ❯
mansfield, midlands, united kingdom Hybrid / WFH Options
UST
with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively within a team Commitment to best practices, including Pair Programming More ❯
derby, midlands, united kingdom Hybrid / WFH Options
UST
with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively within a team Commitment to best practices, including Pair Programming More ❯
a bit more about this opportunity, or are considering applying, then please read the following job information. This is a unique opportunity to work across a modern stack (Java, Spring, Angular, Kafka) and navigate the challenges of evolving a legacy platform into a cloud-native, microservice-oriented future. Key Responsibilities Design, develop, and maintain scalable Java RESTful APIs using … the Spring framework. Collaborate with frontend engineers working in Angular/TypeScript to build modern user interfaces. Lead by example with strong, hands-on coding in Java and JavaScript/TypeScript. Maintain, improve, and occasionally dive deep into complex, messy legacy code — making pragmatic decisions about when to refactor, rewrite, or retire. Guide technical decision-making for a complex More ❯
a bit more about this opportunity, or are considering applying, then please read the following job information. This is a unique opportunity to work across a modern stack (Java, Spring, Angular, Kafka) and navigate the challenges of evolving a legacy platform into a cloud-native, microservice-oriented future. Key Responsibilities Design, develop, and maintain scalable Java RESTful APIs using … the Spring framework. Collaborate with frontend engineers working in Angular/TypeScript to build modern user interfaces. Lead by example with strong, hands-on coding in Java and JavaScript/TypeScript. Maintain, improve, and occasionally dive deep into complex, messy legacy code making pragmatic decisions about when to refactor, rewrite, or retire. Guide technical decision-making for a complex More ❯
seeking a full-time contractor or employee for a Senior Back-End Web Developer role.Required Skills: Experience with full-stack web application development Experience with Java 1.8+ Experience with Spring components: Core, Boot, Data, MVC Experience with SQL Server, Oracle Experience with writing RESTful API interfaces (REST w/JSON) using Spring Boot for Microservices and Red Hat More ❯
Senior Java Engineer – Product Engineering | B2B SaaS | Insurtech Up to £120,000 per annum plus bonus and excellent pension London – 2 days a week Java | Spring Boot | AWS | Kubernetes | Event-Driven Architecture Senior Java Engineer – We have been exclusively engaged by a leading B2B SaaS technology business to find a Senior Java Engineer with a “product engineering” mindset to … The role requires someone who enjoys solving complex challenges, influencing architectural decisions and building scalable, resilient systems. Key Responsibilities Designing and developing production-ready features and services in Java (Spring Boot) and cloud-native environments. Contributing to system design and architecture, ensuring simple and pragmatic solutions to complex problems. Working collaboratively with Product Managers and teammates to balance the … and operation, including AWS design, security, and observability. Mentoring colleagues, conducting code reviews, and supporting a culture of learning and improvement. Candidate Profile Significant experience in modern Java development (Spring Boot, Kotlin, or similar). Strong track record in designing and evolving scalable, Cloud-based systems. Practical experience with iterative development, automated testing, and CI/CD. A pragmatic More ❯
Senior Java Engineer – Product Engineering | B2B SaaS | Insurtech Up to £120,000 per annum plus bonus and excellent pension London – 2 days a week Java | Spring Boot | AWS | Kubernetes | Event-Driven Architecture Senior Java Engineer – We have been exclusively engaged by a leading B2B SaaS technology business to find a Senior Java Engineer with a “product engineering” mindset to … The role requires someone who enjoys solving complex challenges, influencing architectural decisions and building scalable, resilient systems. Key Responsibilities Designing and developing production-ready features and services in Java (Spring Boot) and cloud-native environments. Contributing to system design and architecture, ensuring simple and pragmatic solutions to complex problems. Working collaboratively with Product Managers and teammates to balance the … and operation, including AWS design, security, and observability. Mentoring colleagues, conducting code reviews, and supporting a culture of learning and improvement. Candidate Profile Significant experience in modern Java development (Spring Boot, Kotlin, or similar). Strong track record in designing and evolving scalable, Cloud-based systems. Practical experience with iterative development, automated testing, and CI/CD. A pragmatic More ❯
minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Position Overview Experienced in backend development using Azure, Java and Spring Boot, with strong proficiency in version control (Git) and containerisation (Docker). Possesses a solid understanding of asynchronous messaging patterns and a working awareness of CI/CD practices. … Backend development with Azure, Java and Spring Boot Version control using Git Containerisation with Docker An understanding of asynchronous messaging patterns Awareness of CI/CD practices Some desirable things: Exposure to Kubernetes (K8s) Experience with Secure File Transfer Protocol (SFTP) Benefits: Join a rapidly expanding start-up where personal growth is a part of our DNA. Benefit from More ❯
bradford, yorkshire and the humber, united kingdom
Amber Labs
minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Position Overview Experienced in backend development using Azure, Java and Spring Boot, with strong proficiency in version control (Git) and containerisation (Docker). Possesses a solid understanding of asynchronous messaging patterns and a working awareness of CI/CD practices. … Backend development with Azure, Java and Spring Boot Version control using Git Containerisation with Docker An understanding of asynchronous messaging patterns Awareness of CI/CD practices Some desirable things: Exposure to Kubernetes (K8s) Experience with Secure File Transfer Protocol (SFTP) Benefits: Join a rapidly expanding start-up where personal growth is a part of our DNA. Benefit from More ❯
a Java Developer with a product engineering background to join their team, building highly available, scalable systems that power next-generation payments. Your Background/Tech Stack Java with Spring Reactive programming (AKKA etc) Kafka or JMS Solid understanding of CI/CD pipelines, automation, and Agile delivery practices. Experience working with MongoDB or other NoSQL databases. The Role … Play a key role in developing real-time payment processing systems using Java, Spring, and Reactive frameworks. Follow TDD and BDD methodologies to ensure clean, maintainable, and well-tested code. Contribute to technical and design decisions, shaping the future of the payments platform. Build reusable, modular code and optimise applications for maximum speed and scalability. Work within an Agile More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
a Java Developer with a product engineering background to join their team, building highly available, scalable systems that power next-generation payments. Your Background/Tech Stack Java with Spring Reactive programming (AKKA etc) Kafka or JMS Solid understanding of CI/CD pipelines, automation, and Agile delivery practices. Experience working with MongoDB or other NoSQL databases. The Role … Play a key role in developing real-time payment processing systems using Java, Spring, and Reactive frameworks. Follow TDD and BDD methodologies to ensure clean, maintainable, and well-tested code. Contribute to technical and design decisions, shaping the future of the payments platform. Build reusable, modular code and optimise applications for maximum speed and scalability. Work within an Agile More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. What you’ll do Design and develop high-performance microservices using Spring Boot Build scalable, cloud-based applications on AWS Collaborate with AI engineers, data scientists, and product teams to deliver intelligent solutions Contribute to system architecture, CI/CD pipelines … and code reviews Bring fresh ideas to a fast-moving, innovative environment What we’re looking for Strong experience with Java (11+) and Spring Boot Proven track record building and deploying Microservices Solid understanding of AWS services (ECS, Lambda, S3, etc.) Experience with RESTful APIs, Docker, and CI/CD tools Enthusiastic about AI, data-driven development, and continuous More ❯
automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. What you’ll do Design and develop high-performance microservices using Spring Boot Build scalable, cloud-based applications on AWS Collaborate with AI engineers, data scientists, and product teams to deliver intelligent solutions Contribute to system architecture, CI/CD pipelines … and code reviews Bring fresh ideas to a fast-moving, innovative environment What we’re looking for Strong experience with Java (11+) and Spring Boot Proven track record building and deploying Microservices Solid understanding of AWS services (ECS, Lambda, S3, etc.) Experience with RESTful APIs, Docker, and CI/CD tools Enthusiastic about AI, data-driven development, and continuous More ❯
services at scale. Write clean, testable, and well-documented code that stands the test of time. Contribute to architecture discussions and influence key technical decisions. Tech Stack Java 17+, Spring WebFlux/Project Reactor, Kafka, PostgreSQL, Docker, Kubernetes, AWS. Exposure to distributed systems, event-driven architecture, and microservices is highly valued Working Model 1-2 days per week in … also be able to consider remote with 1-2 office visits a month. About You Strong Java engineering background (ideally 4+ years). Hands-on experience with Reactive frameworks (Spring WebFlux, Reactor, Akka, Vert.x, or similar). Comfortable working in high-availability, real-time systems. A problem-solver who enjoys ownership and continuous learning. What’s On Offer Up More ❯
the AEM development team, promoting engineering best practices and code quality. Architect and implement scalable, high-performance solutions using AEM CMS, Java (including version 21), REST APIs, Microservices, and Spring frameworks. Manage and optimise build and deployment pipelines leveraging Docker, Terraform, and Jenkins. Collaborate with stakeholders and cross-functional teams to ensure timely and high-quality delivery of platform … Proven experience as a Technical Lead on AEM CMS projects. Strong proficiency in Java development, including Java 21 and earlier versions. Deep understanding of RESTful APIs, Microservices architecture, and Spring frameworks. Practical experience with Google Cloud Platform (GCP). Familiarity with modern CI/CD tooling, including Docker, Terraform, and Jenkins. Excellent communication, collaboration, and leadership skills. This is More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Manchester three days a week with flexibility to work from home twice a week. About you: You have strong backend software engineering skills and experience You have strong Java, Spring and AWS experience You also have experience with Kafka for data streaming You have a good knowledge of Docker and Kubernetes You have technical leadership, mentoring and coaching experience … work scheme, volunteer days and much more Diverse, supportive environment with great career progression opportunities Apply now to find out more about this Java Developer/Team Lead (Java Spring AWS Kafka) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer More ❯
greater manchester, north west england, united kingdom Hybrid / WFH Options
Autotrader
of requests a day across over 600 systems. We build these systems with industry standard frameworks and tools, such as React and Angular on the front end and Java, Spring Boot, Cloud SQL and Apache Kafka on the back end. All of this runs on our cutting edge cloud delivery platform, facilitating over 60k releases to production a year. … we're looking for: Strong experience working across the stack, from designing scalable back-end systems to developing responsive front-end applications You should be comfortable working with Java, Spring Boot and the Java ecosystem/JVM Ability to architect and design complex, distributed systems that are scalable, maintainable, and performant Experience with modern front-end technologies (e.g., React More ❯
Role Technology Lead Technology Liferay, Java, Spring, REST API Location Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build whats next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and these … applications. 3 years of Kaleo Workflow experience 5 years of strong Java skills 5 years of Restful Web Services 5 years of JDBC and basic hibernate 5 years of Spring concepts and annotations 5 years of HTML/CSS/Bootstrap/JQuery Oracle Database including SP/Functions/Triggers/Cursors Kaleo workflow, Entra/Azure AD More ❯
Role – Senior Technology Architect Technology – Liferay, Java, Spring, REST API Location – Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build what’s next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization … applications. • 3 years of Kaleo Workflow experience • 5 years of strong Java skills • 5 years of Restful Web Services • 5 years of JDBC and basic hibernate • 5 years of Spring concepts and annotations • 5 years of HTML/CSS/Bootstrap/JQuery • Oracle Database including SP/Functions/Triggers/Cursors • Kaleo workflow, Entra/Azure AD More ❯
bradford, yorkshire and the humber, united kingdom
Infosys
Role – Technology Lead Technology – Liferay, Java, Spring, REST API Location – Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build what’s next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization and … applications. • 3 years of Kaleo Workflow experience • 5 years of strong Java skills • 5 years of Restful Web Services • 5 years of JDBC and basic hibernate • 5 years of Spring concepts and annotations • 5 years of HTML/CSS/Bootstrap/JQuery • Oracle Database including SP/Functions/Triggers/Cursors • Kaleo workflow, Entra/Azure AD More ❯
bradford, yorkshire and the humber, united kingdom
Infosys
Role – Senior Technology Architect Technology – Liferay, Java, Spring, REST API Location – Leeds Job Description At Infosys, we assure that your career will never stand still, we will inspire you to build what’s next and we will navigate further together. Our journey of learnability, values and trusted relationships with our clients continue to be the cornerstones of our organization … applications. • 3 years of Kaleo Workflow experience • 5 years of strong Java skills • 5 years of Restful Web Services • 5 years of JDBC and basic hibernate • 5 years of Spring concepts and annotations • 5 years of HTML/CSS/Bootstrap/JQuery • Oracle Database including SP/Functions/Triggers/Cursors • Kaleo workflow, Entra/Azure AD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Pixelated People
Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed … default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security More ❯
Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed … default. 💡 Required Experience 10+ years’ experience as a Java Backend Engineer/Senior Java Developer Proven track record building and scaling Kafka-based architectures in production Deep expertise with Spring Boot (Security, Web, and Data modules) Experience designing and maintaining event-driven systems with high throughput and reliability Strong understanding of observability, availability, and resilience Experience working in security More ❯