and benchmarking. Required: Bachelor's degree in Computer Science or equivalent. 6-9 years of hands-on work experience as a Java Developer. Strong technical background in Java and Spring boot. Good experience in developing microservices Knowledge of design patterns, data structures, and algorithms. Familiarity with microservices, SQL, Kafka, and relational databases. Exposure to Amazon Web Services (AWS) or More ❯
a hands-on engineering role with a strong emphasis on architecture, scalable systems, and modern cloud-native technologies. Key Responsibilities: Design, develop, and maintain scalable microservices using Java and Spring Boot Build and integrate event-driven systems with Kafka Contribute to frontend development using Angular and React Deploy and manage services on AWS Collaborate with product owners, designers, and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Understanding Recruitment
of the Ministry of Defense, HM Treasury, and the Departments of Work & Pensions and International Trade. They are looking for a motivated Java Software Developer with experience with: Java Spring Boot Microservices Containerisation using Docker, Kubernetes Developing cloud-native applications with AWS, GCP, Azure SQL, NoSQL and other tools and scripting skills As a Java Software Developer, you will More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Product Managers, and Designers and now they’re looking to grow the Java team by six more engineers. You’ll be working with a modern stack including Java 21, Spring Boot, Microservices, AWS, PostgreSQL, TDD, BDD, and React. They’re hiring Mid, Senior, and Lead Engineers who are strong problem-solvers, great communicators, and excited to build in a More ❯
system has already gone live with its first electronic venue and is now scaling fast across multiple markets and asset classes. 🧠 What You’ll Be Working With Java 17 & Spring Boot 3 Apache Kafka for high-volume data streams Vertica & MSSQL Kubernetes (on-prem orchestration) Microservices architecture, containerised environments Agile delivery with strong autonomy and ownership 🎯 Your Impact Build More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TRIA
including ecommerce platforms and internal tooling • Contribute to engineering best practices and support technical decision-making What you will need to succeed... • Strong backend development experience in modern Java (Spring Boot) or server-side Kotlin • Experience mentoring or coaching developers and leading technical delivery • Solid understanding of Microservices architecture • Knowledge of CI/CD pipelines, Docker, and Kubernetes deployments More ❯
implementation of LDAP, Active Directory based Authentication. Design Experience, including data modelling, demonstrable experience interpreting requirements and producing design artefacts for implementation by development teams. Java 8 and higher; Spring boot (preferable); RDBMS (Oracle, Postgres) Desired; Micro services; Kubernetes Google Cloud Platform (GCP) or any other cloud GKE Cloud SQL Cloud Functions GCS and Labelling Pub Sub and Dataflow More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hanson Lee Resourcing Ltd
and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java Script development and a passion for delivering high-quality software. Role Type: Permanent Mode More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hanson Lee Resourcing Ltd
and ongoing enhancement of our cutting-edge software solutions. Your primary responsibilities will include leading the technical design and solutioning processes, crafting and deploying high-performance, scalable microservices using Spring Boot and other relevant technologies. The ideal candidate should have a strong background in Java Script development and a passion for delivering high-quality software. Role Type: Contract More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Impala Search
a senior individual contributor, owning architecture and technical strategy across the platform. Design and build scalable, developer-friendly systems—including APIs, data models, integrations, and payment solutions—using Java, Spring Boot, PostgreSQL, Kubernetes, Terraform, and AWS. Lead architecture discussions internally and in client-facing settings, guiding trade-offs between speed, flexibility, and scalability, and championing customer-focused, evidence-based … large-scale engineering systems, with at least 2 years in senior technical leadership roles such as Principal Engineer or Architect. Strong hands-on expertise across the stack, including Java, Spring, Kotlin, PostgreSQL, MongoDB, AWS, and React.js. Proven ability to translate product and business goals into scalable, robust technology solutions while leading agile teams and contributing to strategic roadmaps. Comfortable More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Arrows
leadership role where you're not just guiding but also rolling up your sleeves alongside the team. 🔧 Tech Stack & Practices You should bring solid hands-on experience with: Java, Spring, Kubernetes, Docker, Postgres, Kafka CI/CD pipelines with fully automated deployments and testing TDD, BDD, and modern coding standards Microservices architecture – understanding both its power and its trade More ❯
in algorithms and data structures, object-oriented design, and microservices architecture (This will be tested) Proven record of complex software delivery in the Interest Rates domain Excellent Java 21, Spring Boot, strong practical experience with containers, REST APIs, and WebSockets Strong experience of Agile, SCRUM, and test-driven development processes Strong leadership experience (at least 5 years of leading More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead Java Developer/Software Engineer (Java Kafka Spring Boot) London/WFH to £120k Are you a skilled Java Developer with strong Java and real-time messaging experience combined with SC Clearance? You could be progressing your career in a senior, hands-on Lead Java Developer position at a scale-up technology company with a successful workforce management … up with colleagues in the London office once a week. About you: You have significant experience as a backend focussed Java software engineering with leadership responsibilities You have strong Spring Boot, Kafka and event driven microservices experience with high throughput You have leadership, mentoring and coaching skills You have a strong understanding of system-level concerns: observability, availability, resilience … a week in London office Pension, Healthcare Impactful role with excellent career progression Apply now to find out more about this Lead Java Developer/Software Engineer (Java Kafka Spring Boot) 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 whose More ❯
Engine | InsurTech London - Hybrid - 2 days a week in the office Up to £120,000 per annum plus 10% bonus and excellent benefits including pension and private health Java | Spring Boot | AWS | Kubernetes Are you an Engineering Lead passionate about driving impactful software delivery and building high-performing engineering teams? Engineering Lead - A growing SaaS InsurTech, backed by a … engineering culture. What You Bring Proven experience as an Engineering Lead or in a similar people leadership role within a software development environment. Strong technical background - ideally in Java, Spring Boot, Kubernetes, AWS - with the ability to support engineers in making sound architectural decisions. A passion for mentoring and growing engineering talent, creating a team culture built on trust … skills, able to engage effectively with product, stakeholders, and senior leadership. A pragmatic approach to balancing long-term technical health with short-term delivery needs. Tech Environment Backend: Java, Spring Boot Frontend (nice-to-have): React, TypeScript Infrastructure: Kubernetes, Docker, Terraform, Helm Cloud: AWS Practices: DevOps, CI/CD, Agile product delivery Bonus Points For Experience leading cloud-based More ❯
City of London, London, United Kingdom Hybrid / WFH Options
RemoteStar
Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial markets. What you will need for the role: Java & Spring/Spring Boot : 3- 10 years of extensive experience in building and deploying back-end services. MongoDB & JPA: Proficient in database design, management, and optimization. Kafka: Skilled in More ❯
Docker or Kubernetes concepts. Reactive Programming experience. Common Logging experience. Top Skills/Must Have: Java Development (Java 21/Java 17/Java 8). Micro-services Architecture - Spring/Springboot. Cloud - Azure is good to have but any other cloud experience should do. Banking/Investment Banking Domain experience. More ❯
and hands-on implementation. Front End –Angular, TypeScript, JavaScript. – Primary skill (must have) Back End - NodeJS, Mongoose, Event driven and Service Oriented Architectures. – Primary skill (good to have) Java - Spring Boot, Maven, JPA, Hibernate. – Primary skill (good to have) AWS - Service Buses, Function Apps, Event Grid, managing App Services. – Primary skill (good to have) Database – SQL, MongoDB data and More ❯
/integration and DevOps tools. Experience with relational (MySQL, SQL Server, Oracle) and non-relational (Elasticsearch, MongoDB, Cassandra) data stores. Strong professional experience with software development frameworks (Node.js, AngularJS, Spring, Guice). Expert experience building mobile, responsive/adaptive applications. Have first-hand understanding of Agile development methodologies. Non-Technical: First and foremost: Passionate about technology and excited about More ❯
organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in Spring Boot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end-to-end and collaborating with cross … solutions and maintain clear communication across teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, Spring Boot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development Your Profile Proficiency in Kotlin and … Spring Boot with hands-on experience in API design and development. If Kotlin is not possible, a Java expert with a keen interest to learn Kotlin. Strong knowledge of RESTful API principles and best practices. Familiarity with Micro-services architecture and related technologies. Ability to analyze complex technical challenges and provide innovative solutions. Passion for learning and adapting to More ❯
with AWS cloud infrastructure including containerisation (Docker/Kubernetes), architecture, and scaling systems. They will have solid skills in building and managing data ingestion and processing pipelines (Kafka/Spring Batch) and be looking to lead a team in an office-based environment in London. This is a fantastic opportunity for an experienced developer to join a growing business … Software Developer with strong Java and Python experience *Strong AWS cloud infrastructure and containerisation (Docker/Kubernetes) *Skilled in building and managing data ingestion and processing pipelines (Kafka/Spring Batch) *Looking to lead a team in an office-based role in London. Reference Number: BBBH 254621 To apply for this role or to be considered for further roles More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fynity
performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum … who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fynity
performing engineering team building asynchronous, event-driven systems using modern Java technologies. Design and build scalable, high-availability systems processing millions of real-time transactions Work with Java 17+, Spring WebFlux, AKKA, Kafka, and more Write clean, testable code using TDD and BDD Contribute to architectural decisions in a fast-evolving codebase Collaborate within Agile teams (Kanban/Scrum … who are pragmatic, performance-focused, and thrive on solving complex distributed systems problems. Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and More ❯
years of professional experience as a Fullstack Java Developer. Education: Bachelors degree in Computer Science, Engineering, or a related field, or equivalent experience. Technical Skills: Proficiency in Java and Spring Boot. Experience with frontend technologies such as HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue.js. Strong understanding of RESTful APIs and web services. Experience with database … team environment. Adaptability: Ability to adapt to new challenges and learn new technologies quickly. Key Responsibilities: Design and Development: Develop high-quality, scalable, and maintainable software solutions using Java, Spring Boot, and other modern frameworks. Frontend Development: Create intuitive and responsive user interfaces using modern JavaScript frameworks/libraries (e.g., React, Angular, Vue.js). Backend Development: Implement server-side More ❯