or equivalent experience - 5+ years of hands-on experience in migration and modernization of mainframe applications to cloud platforms using refactoring approach - Strong hands-on experience in Java and SpringBoot framework development and experience with RESTful web services using SpringBoot - Proficiency in Spring framework components (Spring MVC, Spring Data, Spring … Age L3 certification - Knowledge of testing frameworks like JUnit, Mockito - Knowledge of mainframe modernization tools like Micro Focus, Blu Age, Astadia, AWS Mainframe Modernization Service - Familiarity with containerization of SpringBoot applications using Docker - Exposure to Generative AI coding assistants such as Amazon Q Developer, GitHub Copilot - Experience with automation and scripting (e.g., Python, Shell scripting) - Experience in More ❯
Java Software Engineer - Java 11+, Spring, SpringBoot, Microservices, Kafka, Akka, MongoDB, Docker/Kubernetes, Real-time, TDD/BDD, Payments A Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global Fintech based in South West London. This organisation specialises in providing high … a Senior Engineer, you will join the core engineering team working on the development of their real-time payments processing platform, using a primary tech stack of Java 17, SpringBoot and Akka. You will contribute from both a design and coding perspective, taking ownership of delivering new components and features ensuring high availability, resiliency and scalability. As … similar environments. To be successful, you will demonstrate: A strong background in hands-on Java engineering, currently working with Java 11+ Indepth knowledge of microservices architecture and usage of Spring/SpringBoot Experience developing distributed, real-time applications with Kafka and the JMS (or related MQ technologies e.g. RabbitMQ, ACtiveMQ etc.) with an appreciation of multithreading More ❯
for an experienced Java Full Stack Developer with Camunda BPM experience to design and develop scalable, workflow-driven web applications. This role combines deep backend expertise in Java/SpringBoot with modern frontend development skills and strong understanding of Camunda BPMN process orchestration. Design and develop BPMN 2.0 workflows and DMN rules using Camunda Modeler . Develop … backend services and APIs using Java , SpringBoot , and microservices architecture . Build dynamic, responsive UIs using Angular , React , or Vue.js . Integrate Camunda workflows with REST APIs, databases, messaging systems (Kafka/RabbitMQ), and user interfaces. Configure and manage Camunda engine, external task workers, and job execution. Write unit and integration tests for both frontend and backend … developers to deliver complete solutions. Deploy and monitor applications using Docker , Kubernetes , and CI/CD pipelines. Required Skills & Experience: 3-5 years of hands-on experience with Java , SpringBoot , Spring Cloud , REST APIs Strong expertise with Camunda BPM (v7 or v8) - BPMN, DMN, external tasks, process orchestration Experience in Angular , React , or Vue.js Other Technologies More ❯
Engineering Team Lead - Java SpringBoot AWS Kubernetes £100,000-120,000 base salary Extensive Benefits and 10% bonus Java21, SpringBoot, Kubernetes, Docker, AWS Central London, hybrid with 2 days a week onsite InsurTech AI-Powered B2B/B2C SaaS Engineering Team Lead - We have been engaged by a leading Insurtech company to find a … and people leadership (70%). You will report into the Director of Engineering being part of the technical leadership team for business vertical. The tech stack consists of Java21, SpringBoot, Kubernetes, Docker, Terraform, Helm and various AWS services. Requirements Experience leading an engineering team/squad (minimum of 3 direct reports) Experience mentoring engineers while fostering a … for a strong communicator who can explain technical concepts to different audiences and stakeholders. Ability to drive system design decisions, balancing scalability, performance, and maintainability. Engineering Team Lead - Java SpringBoot AWS Kubernetes Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds. More ❯
Key Responsibilities: Analyse user requirements and translate them into robust, scalable software solutions within the DXC Assure Reinsurance (SICS) platform. Design, develop, and maintain critical software components using Java , SpringBoot , and Spring Cloud in a Microservices architecture. Build and enhance RESTful APIs that integrate seamlessly with other systems and services. Work with cloud infrastructure, primarily AWS … Qualifications: Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience). Moderate to strong hands-on experience developing software in Java , with proficiency in SpringBoot , Spring Cloud , and Microservices . Proven experience designing, developing, and consuming REST APIs . Working knowledge of AWS cloud services and cloud-native application design principles. More ❯
and technical direction of back-end services for our SaaS B2B platform, ensuring scalability, performance and security Microservices: lead the design and maintenance of microservices using Java 21 and SpringBoot, ensuring best practices in modularity, resilience and maintainability Cloud & Infrastructure: play a crucial role in our cloud infrastructure with Kubernetes (K8s) on AWS, leveraging Docker for containerisation … engineers, building a culture of excellence, innovation and continuous learning Qualifications 10+ years of experience in back-end development, with a strong focus on Java (preferably Java 21) and SpringBoot Proven experience in designing and developing microservices-based architectures Hands-on experience with AWS services , including EC2, and a strong understanding of Kubernetes (K8s) for container orchestration … solving skills with a focus on delivering scalable solutions Strong communication skills with the ability to articulate complex technical concepts to non-technical stakeholders Technologies Back-end: Java 21, Spring (Boot 3+/Cloud/Data/REST), Postgres/Jooq/Flyway, JUnit/TestContainers/Mockito, AWS (EC2, RDS, k8s, Cognito, S3) Front-end: TypeScript, React More ❯
Mandatory Skills: React and Next.js, SpringBoot, GraphQL, and Velocity scripts Key Responsibilities: Front-End Development: Develop and maintain responsive and user-friendly web applications using React and Next.js. Collaborate with UI/UX designers to implement design specifications and ensure a seamless user experience. Back-End Development: Design, implement, and maintain server-side components using SpringBoot for efficient and scalable solutions. Implement GraphQL for optimized API interactions and data fetching. Database Integration: Integrate databases and ensure data security and integrity. Optimize database queries and performance to enhance overall application efficiency. API Development: Develop and maintain RESTful APIs for seamless communication between the front-end and back-end systems. Implement GraphQL APIs for enhanced … on project status. Qualifications: Bachelor's degree in computer science, Software Engineering, or a related field. Proven experience as a Full Stack Developer with a focus on React, Next.js, SpringBoot, and GraphQL. Strong proficiency in front-end and back-end technologies. Experience with Velocity scripts and API development. Familiarity with AWS services and cloud architecture. Hands-on 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 SpringBoot AWS Kubernetes Are you a hands-on Engineering Manager passionate about driving impactful software delivery and building high-performing engineering teams? Engineering Manager - A growing SaaS InsurTech … engineering culture. What You Bring Proven experience as an Engineering Manager or in a similar people leadership role within a software development environment. Strong technical background - ideally in Java, SpringBoot, 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 … 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, SpringBoot 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 More ❯
we help your organization realize the benefits of modern enterprise technologies - and see real bottom-line results Responsibilities Develop, enhance, and maintain Java-based applications using Java 1.8, JSF, SpringBoot, web services, Azure, Angular, JQuery and DB2. Collaborate with cross-functional teams to gather requirements and translate them into technical specifications. Design and implement efficient and scalable … Optimize application performance by identifying and resolving bottlenecks. SkillsMust have Proven experience as a Java Developer with strong proficiency in Java 1.8. Solid understanding of JSF (JavaServer Faces) and Spring, SpringBoot, Angular UI frameworks. Strong experience in Velocity templates, iBatis or myBatis, GIT, Jenkins Experience in developing and consuming web services (REST/SOAP). Strong More ❯
performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment. You'll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time … live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required. Key Responsibilities: Design and develop scalable backend systems using Java and SpringBoot Deliver well-structured, maintainable, and testable code aligned with project requirements Build and maintain RESTful APIs to support web and mobile applications Integrate with third-party data … meetings with the wider team Write and maintain clear technical documentation Contribute to code reviews and uphold development best practices Core Skills & Experience: Expert-level knowledge of: Java 11+ SpringBoot and Spring Framework (v5+) JPA/Hibernate and ORM principles Designing and building microservice architectures Creating and consuming RESTful APIs Git for version control and collaborative More ❯
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 & SpringBoot 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 … reduce waste You advocate for quality and can support the team by demonstrating approaches such as CI/CD standard methodology, Pair Programming, TDD, and BDD. Technical understanding of: Springboot, Maven, GitHub, Jenkins, JSON, Kafka, WMQ, REST APIs, Database SQL, Docker and Kubernetes Experience working on any one of the cloud-based tools - GCP, MS Azure, AWS More ❯
with a clear understanding of their suitability for different tasks Essential : Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Hands on experience with Java , SpringBoot , Python and Microservices, although a true polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages More ❯
non-technical stakeholders. About You Professional knowledge and experience Essential Proven experience in full-stack software development, including design, development, testing, and deployment. Significant hands on experience with Java, SpringBoot and Microservices. Strong understanding of Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., Python More ❯
scalable, resilient systems Monitor and visualise your product's behaviour in live production environments About You Requirements Minimum of 5 years' experience in Java 17+ and frameworks such as Spring, SpringBoot, and build tools like Maven Hands-on experience designing and building microservices and distributed systems Have a test-first mindset with experience in TDD/ More ❯
Purpose We're looking for a Senior Technical Lead/Technical Manager with a strong backend focus and hands-on full-stack capability (React/TypeScript + Java/SpringBoot) to drive the delivery of scalable, high-quality web applications. In this role, you'll blend deep technical expertise with strong leadership, guiding both architectural direction and … shaping the future of our platforms and engineering practices. Responsibilities: Technical Leadership Lead the architectural direction and technical execution of full-stack applications using React/TypeScript and Java (SpringBoot). Own and drive the adoption of best practices in code quality, performance, accessibility, and cloud-native engineering. Remain hands-on with 10–20% of your time More ❯
governance; empowered by the ground-breaking legislation of the Economic Crime and Corporate Transparency Bill. We have a large estate of services which we develop in Java using the SpringBoot framework, and Typescript using the Node.js framework with Express. We use the Gov.uk Design System (GDS) for our User Interfaces. We also have older J2EE applications which … we are in the process of modernising. We are looking for expert developers in these technologies! While we would expect you to be very experienced in either Java/Spring or Typescript/Node we like to hire inquisitive developers who value continuous learning, and we will support you in learning all the development technologies we use at Companies … with excellent technical skills and the ability to complete detailed design. A degree in computing or similar would be an advantage. Excellent coding skills which must include Java/SpringBoot and/or Typescript/Express/Node. Mentoring experience or can demonstrate experience of leading a team. Strong communication skills where you can translate technical jargon More ❯
development in an enterprise environment. Strong analytical and problem-solving skills. Good communication skills and the ability to work effectively with the stakeholders and the global team. Proficiency with SpringBoot, relational databases/SQL, test driven development. Proactive learning mindset and the ability to take initiative in identifying and solving problems. Demonstrated interest in technology and modern … software design/architecture. Preferred Skills Functional: Experience or Certification on Capital Market and specifically Prime Brokerage will be highly preferred. Technical: Java: Java 17+, Collections, SpringBoot 3, Java Streams API, concurrency, JPA, JMS, profiling, garbage collection Databases: Sybase/MS SQL Server, MongoDB, DB2 Integration: Enterprise Integration Patterns, Apache Camel DevOps: Gitlab CI/CD, Ansible More ❯
public sector organisation to recruit a senior software developer. The organisation are looking for an experienced developer with solid commercial experience of building web applications and REST APIs using SpringBoot in an OpenShift/AWS. Strong Public Sector Experience is essential Main Objectives of the role : Deliver technical solutions that ensure: Upgrades to support compliance with accessibility … Optimise the citizen interactions Ensure compliance with data protection legislation Effective support and maintenance of the system components Essential Skills: Significant commercial experience with the following technology: Java 17+ Springboot microservices Data modelling and SQL development, ideally PostgreSQL REST APIs AWS, AWS Lambda, S3, Typescript Modern DevOps and CI/CD practices including deployment pipelines Details More ❯
knowledge sharing in the teams, anticipating challenges and proposing solutions Start influencing product and business decisions Hands-on Software Development: Write high-quality Java code using frameworks such as SpringBoot or Micronaut. Build robust services that support secure, high-volume payment transactions. Develop integrations with acquiring banks, payment gateways, and fraud detection tools. Cloud & DevOps Practices: Build … Proven experience as a Staff or Lead Engineer in backend-heavy environments in teams having multiple levels of engineering. Strong experience in Java 17+, ideally with experience in using SpringBoot or Micronaut. Hands-on knowledge of Kafka, event-driven architecture, enterprise integration patterns and microservices. Solid understanding of payment systems and PSP integrations, including fraud, tokenisation, and More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Stealth IT Consulting Limited
and the support of a forward-thinking team. What Youll Do: As a key part of our engineering team, youll: Build and maintain scalable full-stack applications using Java (SpringBoot) and JavaScript/TypeScript (React) . Contribute to major projects from day one, working closely with cross-functional teams in a highly collaborative environment. Engage with emerging … on impactful government and public sector projects, enhancing services millions rely on. What Youll Bring: Eligibility for security clearance (UK-based only) At least Three years commercial Java backend (SpringBoot) development experience Proficient experience with JavaScript/TypeScript , ideally with React Hands-on familiarity with GIT, CI/CD , and modern development practices Bonus points for experience 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Principal Java Engineers | Up to £140k – Y Combinator-Backed Fintech Java 21, SpringBoot, Microservices, TDD, AWS I’ve partnered up with a fintech company doing some genuinely exciting work across America. They’ve built a platform that allows people to hold and spend money in dollars using stablecoins a game-changer in regions where local currencies can … re currently looking for 15 Java Engineers (Lead level and above) to join the team. There’s a ton of greenfield work to get stuck into, using Java 21, SpringBoot, Microservices, TDD, AWS and more. What we’re looking for: Strong experience with Java 21+, TDD, and microservices Passionate and ambitious mindset Clear and confident communicator Ideally More ❯
Principal Java Engineers Up to £140k - Y Combinator-Backed Fintech Java 21, SpringBoot, Microservices, TDD, AWS I've partnered up with a fintech company doing some genuinely exciting work across America. They've built a platform that allows people to hold and spend money in dollars using stablecoins a game-changer in regions where local currencies can … re currently looking for 15 Java Engineers (Lead level and above) to join the team. There's a ton of greenfield work to get stuck into, using Java 21, SpringBoot, Microservices, TDD, AWS and more. What we're looking for: Strong experience with Java 21+, TDD, and microservices Passionate and ambitious mindset Clear and confident communicator Ideally More ❯
Responsibilities: Frontend Expertise : Strong proficiency in React, JavaScript/TypeScript, HTML5, and CSS3 for building responsive and interactive user interfaces. Java Backend Expertise : Strong proficiency in Java development, including Spring Framework, SpringBoot, and JVM optimisation techniques for high-performance applications. Database Management : Proficiency with both relational databases (Oracle, PostgreSQL) and NoSQL solutions, with strong SQL skills … React Experience : At least 3 years of experience developing applications with React and modern JavaScript frameworks Java Experience : At least 4 years of experience in Java backend development, including Spring Framework. Project Experience : Previous involvement in system rewrites or greenfield/migration development projects, preferably in financial or trading environments. Master Data Experience : Experience with reference data or master More ❯
and complex system Maintain the pieces of infrastructure required to build and verify our software What you'll need for this role Key Qualification Requirements: Demonstrable understanding of Java, Spring/SpringBoot, Maven and SQL Familiarity with distributed messaging and communications technologies for ensuring reliable and efficient data exchange Practised user of Linux command line and More ❯