City of London, London, United Kingdom Hybrid / WFH Options
Pixelated People
Senior Java Engineer (Kafka, SpringBoot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, SpringBoot, 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 … 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 SpringBoot (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 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 | SpringBoot | 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 … 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 (SpringBoot) 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 … 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 (SpringBoot, 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 More ❯
peak performance Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop high-performance, scalable, and reliable solutions using Java, Springboot, Microservices technologies. Work closely with business stakeholders to gather and analyse requirements, translating them into technical specifications and architectural designs. Convert visionary concepts into enterprise-wide systems. … programming, testing, and debugging Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review Requirements Good hands-on in Java, J2EE, Databases (Postgres), Web Services (REST, SOAP), Springboot, Spring MVC, Spring 4.0, Hibernate/JPA, API Gateway, Azure and Microservices. 5-12 years of experience desired in designing software solutions using software architecture … pressure. Strong Problem-Solving skills. Distributed systems (Databases, caches, microservices, message broker) API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract Test Driven Development TDD Methodology and Unit Testing using Junit/XCTest Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock Static Code More ❯
london (city of london), south east england, united kingdom
Fulcrum Digital Inc
peak performance • Create a comprehensive architecture for a software solution and providing strategic direction throughout the development process. Design and develop high-performance, scalable, and reliable solutions using Java, Springboot, Microservices technologies. • Work closely with business stakeholders to gather and analyse requirements, translating them into technical specifications and architectural designs. • Convert visionary concepts into enterprise-wide systems. … programming, testing, and debugging • Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review Requirements • Good hands-on in Java, J2EE, Databases (Postgres), Web Services (REST, SOAP), Springboot, Spring MVC, Spring 4.0, Hibernate/JPA, API Gateway, Azure and Microservices. • 5-12 years of experience desired in designing software solutions using software architecture … pressure. • Strong Problem-Solving skills. • Distributed systems (Databases, caches, microservices, message broker) • API and Contract Testing using REST Assured/Postman/Swagger/SOAP UI + Groovy/Spring Cloud Contract • Test Driven Development TDD Methodology and Unit Testing using Junit/XCTest • Use of mocking frameworks such as API Service Virtualization/Mockito/OCMock • Static Code More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Stott and May
with the latest Java technologies and industry trends. Required Skills & Experience: Strong experience in Java (Java 8+) development. Solid understanding of object-oriented programming and design patterns. Experience with Spring Framework (SpringBoot, Spring MVC, Spring Data) . Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries. Knowledge of RESTful API development and More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Stott and May
with the latest Java technologies and industry trends. Required Skills & Experience: Strong experience in Java (Java 8+) development. Solid understanding of object-oriented programming and design patterns. Experience with Spring Framework (SpringBoot, Spring MVC, Spring Data) . Experience with relational databases (e.g., MySQL, PostgreSQL) and writing SQL queries. Knowledge of RESTful API development and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Noir
Java Developer – Financial Technology – London/Hybrid (INSIDE IR35) (Key skills: Java, SpringBoot, Kubernetes, AWS EKS, Amazon Redshift, PostgreSQL, RESTful APIs, CI/CD, Microservices, iOS/Android Native, Agile, Financial Services) Are you a highly skilled Java Developer with a passion for building scalable, high-performance financial systems? Do you enjoy working with cutting-edge technologies … is seeking a Java Developer to play a key role in designing, developing, and deploying next-generation financial applications. You will work on complex, high-availability systems built using SpringBoot , deployed on AWS EKS/Kubernetes , and integrated with modern mobile and analytics platforms. As part of a collaborative, Agile development team, you will be responsible for … and Android engineers to ensure seamless end-to-end integration, supporting mobile-first financial products that reach thousands of users daily. To succeed, you’ll need strong Java and SpringBoot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful API More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Sanderson Government & Defence
and the opportunity to help shape a company from the ground up - this is the role for you. Key Responsibilities Design, develop, and maintain full-stack applications using Java SpringBoot and React Build microservice-based systems with a strong focus on scalability and resilience Work with modern technologies including Kubernetes , AWS , and Azure Contribute to workflow and … and share expertise Help grow the engineering culture: mentor others, contribute ideas, and lead by example in a collaborative, low-ego environment Essential Skills & Experience Strong experience with Java (SpringBoot) and React Familiarity with containerisation and orchestration (Docker, Kubernetes) Understanding of microservice architecture and domain-driven design Experience with SQL and NoSQL databases (PostgreSQL, MongoDB) Knowledge of More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown
Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and SpringBoot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable … cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and DevOps principles TDD/BDD testing frameworks Desirable Java (21) and SpringBoot Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown
Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and SpringBoot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable … cloud-native microservices containerised architecture (e.g. K8s, Docker) Modern software engineering practices with CI/CD pipelines and DevOps principles TDD/BDD testing frameworks Desirable Java (21) and SpringBoot Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with our Hiring Manager in more detail about the role More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hargreaves Lansdown
Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and SpringBoot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable of writing clean, maintainable and well-tested code. Comfortable … Energised by fast paced, regulated environments where we ship at speed, embrace change, and never stop evolving. Your Technical Toolkit React/React Native/TypeScript Java (21) and SpringBoot/JavaScript/iOS (Swift) or Android (Kotlin) RDBMS (Oracle/Sybase)/NoSQL databases (Document DB) AWS and cloud-native microservices containerised architecture (e.g. K8s, Docker More ❯
around the world are seeking talented Java Engineers to join their collaborative and high-performing engineering team. What You’ll Do Design and build robust Microservices using Java and SpringBoot Work on scalable, event-driven systems that process millions of transactions Collaborate with cross-functional teams (Product, DevOps, QA) to deliver high-quality software Contribute to technical … discussions, architecture decisions, and best practices Continuously improve system performance, reliability, and security What We’re Looking For Strong experience with Java (11+) and SpringBoot Solid understanding of microservices architecture and RESTful APIs Experience with AWS or another cloud platform Familiarity with CI/CD pipelines, Docker, and Kubernetes is a plus A passion for writing clean More ❯
Lead Java Engineer – London | £140k + Shares Java 21, SpringBoot, 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 … 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), SpringBoot, 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 More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Springboot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL | Are you a Java Developer who wants to have a voice within the team? Maybe you want to join a fast growing company with lots of progression. If so I have a role for you. … days annual leave Solid pension And more If you’re interested please apply or send your CV to adam.holmes@opusrs.com to apply. Sponsorship isn’t available. Java 21 | Microservices | Springboot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL More ❯
and refactoring to ensure high-quality solutions. Work closely with cross-functional teams (developers, DevOps, data scientists, product managers) in an agile methodology . Their Tech Stack includes: Backend: Spring & SpringBoot, Java, Python, FastAPI Frontend: Vue.js Cloud: AWS Databases: Elasticsearch & Postgres And more... This role offers exciting opportunities to dive into various areas, including Natural Language More ❯
flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC SpringBoot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute More ❯
london (city of london), south east england, united kingdom
develop
flexibility on this and very flexible hours. Tech Stack: Java 11 (moving to Java 17) Relational Databases- SQL and ORM Tech (JPA, Hibernate) Frameworks- preferably Vaadin or JSF, Wicket, Spring MVC SpringBoot AWS Microservices ML/Big Data- desirable Docker- desirable messaging- GRPC/Solis- desirable Responsibilities: Design and development of low latency software components Contribute More ❯
will receive a competitive salary, a generous benefits package including training and development, up to 6% employer contributory pension, and a quarterly bonus. Mandatory Skills Java 8 and above, Spring 5, SpringBoot, Maven/Gradle, Git, Jenkins (must be technically and conceptually strong, and currently hands-on) Strong analytical thinking and problem-solving abilities Excellent communication More ❯
london (city of london), south east england, united kingdom
Wipro
will receive a competitive salary, a generous benefits package including training and development, up to 6% employer contributory pension, and a quarterly bonus. Mandatory Skills Java 8 and above, Spring 5, SpringBoot, Maven/Gradle, Git, Jenkins (must be technically and conceptually strong, and currently hands-on) Strong analytical thinking and problem-solving abilities Excellent communication More ❯
the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with SpringBoot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL) database schemas. Craft and optimize advanced SQL More ❯
london (city of london), south east england, united kingdom
Nicoll Curtin
the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with SpringBoot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL) database schemas. Craft and optimize advanced SQL More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Kite Consulting Group
including Linux, Java, microservices, and containerisation (Docker, Kubernetes, Helm, Camunda). Proficiency in CI/CD pipelines (Jenkins), version control (GitHub/GitLab/BitBucket), backend/frontend frameworks (SpringBoot, Angular, React), cloud and data platforms (Azure Databricks, Data Lake), monitoring, logging, and test automation tools to deliver high-quality, scalable, and secure software solutions. This is More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Kite Consulting Group
including Linux, Java, microservices, and containerisation (Docker, Kubernetes, Helm, Camunda). Proficiency in CI/CD pipelines (Jenkins), version control (GitHub/GitLab/BitBucket), backend/frontend frameworks (SpringBoot, Angular, React), cloud and data platforms (Azure Databricks, Data Lake), monitoring, logging, and test automation tools to deliver high-quality, scalable, and secure software solutions. This is More ❯
expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives. Experience Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, SpringBoot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar More ❯
london (city of london), south east england, united kingdom
Experis UK
expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives. Experience Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, SpringBoot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar More ❯