Senior Java Software Engineer - Java 11+, Spring, SpringBoot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time systems is sought after by a global … 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 … 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 Akka AND/OR Kafka) with an appreciation of topics such as More ❯
Java Full stack Permanent Upto 75K budget 6 to 10 years London/UK Mandatory kills : Java 8/11, Springboot, Spring Integration, Microservices, Architecture Design experience, PostgreSQL, Hibernate/JPA, Azure, Strong in Problem Solving The Role Should have rich knowledge in Software Development Life … 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 … Design and deploy Java applications. Develop strategic, logical, and physical designs. 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 More ❯
Java Full stack Permanent Upto 75K budget 6 to 10 years London/UK Mandatory kills : Java 8/11, Springboot, Spring Integration, Microservices, Architecture Design experience, PostgreSQL, Hibernate/JPA, Azure, Strong in Problem Solving The Role Should have rich knowledge in Software Development Life … 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 … 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 More ❯
Java Full stack Permanent Upto 75K budget 6 to 10 years London/UK Mandatory kills : Java 8/11, Springboot, Spring Integration, Microservices, Architecture Design experience, PostgreSQL, Hibernate/JPA, Azure, Strong in Problem Solving The Role Should have rich knowledge in Software Development Life … 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 … 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 More ❯
We are seeking a talented Software Engineer to join our dynamic development team. The ideal candidate will possess strong expertise in Core Java 8 , SpringBoot , and Spring Web , along with experience in API development and deployment . You will be responsible for building and maintaining scalable … high-performance applications while leveraging modern CI/CD pipelines. Key Responsibilities Design, develop, and maintain robust backend applications using Java 8, SpringBoot, and Spring Web. Build and manage RESTful and SOAP-based web services. Work with Maven for dependency management and project builds. Set up … Write clean, maintainable, and efficient code while following best practices. Key Skills & Experience Strong proficiency in Core Java 8 . Hands-on experience with SpringBoot and Spring Web . Expertise in RESTful and SOAP APIs . Experience with Maven for build automation. Familiarity with CI/ More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
Full Stack Developer/Software Engineer (AWS Kotlin SpringBoot React) London/WFH to £120k Would you like to progress your career in an impactful, hands-on Full Stack Developer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two … the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business … engineering best practices, experience across the full development lifecycle and tech stack You have experience with most of the technology in the stack: Kotlin, SpringBoot, AWS, TypeScript, React, Next.js You're able to assess, recommend and make technical decisions with long-term product strategy in mind You More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Client Server
Full Stack Developer/Software Engineer (AWS Kotlin SpringBoot React) London/WFH to £120k Would you like to progress your career in an impactful, hands-on Full Stack Developer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two … the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end. You'll be hands-on with architecture, design and coding, including complex business … engineering best practices, experience across the full development lifecycle and tech stack You have experience with most of the technology in the stack: Kotlin, SpringBoot, AWS, TypeScript, React, Next.js You're able to assess, recommend and make technical decisions with long-term product strategy in mind You More ❯
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 … 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 … 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/ More ❯
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 … 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 … 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/ More ❯
permanent position based in Reading/Birmingham. This position involves travel two days per week and is available for an immediate start, preferably in Spring 2025. A chance to work with a Leading Digital Transformation Business Delivering Large-scale, Long-term IT Projects for the Public Sector. Key skills … AWS (EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, CloudWatch) Agile methodologies (Scrum, Kanban) and modern development practices like TDD and BDD Essential: Java 17+, SpringBoot, Spring Data JPA, Spring Integration, Spring Batch, Quartz, Spring extension projects (Data, Cloud, Batch, Security), JPA (Hibernate), AWS More ❯
permanent position based in Reading/Birmingham. This position involves travel two days per week and is available for an immediate start, preferably in Spring 2025. A chance to work with a Leading Digital Transformation Business Delivering Large-scale, Long-term IT Projects for the Public Sector. Key skills … AWS (EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, CloudWatch) Agile methodologies (Scrum, Kanban) and modern development practices like TDD and BDD Essential: Java 17+, SpringBoot, Spring Data JPA, Spring Integration, Spring Batch, Quartz, Spring extension projects (Data, Cloud, Batch, Security), JPA (Hibernate), AWS More ❯
south west london, south east england, united kingdom
Syntax Consultancy Limited
permanent position based in Reading/Birmingham. This position involves travel two days per week and is available for an immediate start, preferably in Spring 2025. A chance to work with a Leading Digital Transformation Business Delivering Large-scale, Long-term IT Projects for the Public Sector. Key skills … AWS (EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, CloudWatch) Agile methodologies (Scrum, Kanban) and modern development practices like TDD and BDD Essential: Java 17+, SpringBoot, Spring Data JPA, Spring Integration, Spring Batch, Quartz, Spring extension projects (Data, Cloud, Batch, Security), JPA (Hibernate), AWS More ❯
the largest global financial markets and exchanges in New York, London, and other major financial hubs. Team & Role Overview Our team owns multiple Java SpringBoot Services that execute, partition, and track quantitative risk graphs/trades in a distributed environment. These graphs can fail due to their … while giving technical direction to a growing team of developers globally. The platform is a Greenfield build using standard modern technologies such as Java, SpringBoot, Kubernetes, Kafka, MongoDB, RabbitMQ, Solace, Apache Ignite. The platform runs in a hybrid mode both on-premise and in AWS utilising technologies … strategies; massively distributed architectures Expert knowledge of Java, JVM, memory management, garbage collection Thorough understanding of multithreaded environment challenges Expert knowledge of Spring, SpringBoot framework and associated technologies Expert knowledge of test frameworks, such as Junit, Mockito, writing easily-testable code Expertise in Java debugging, including remote debugging of More ❯
Responsibilities Collaborate within and across cross-functional teams in an agile environment to design, develop, and deploy high-quality microservices and scalable solutions using SpringBoot, Java, SQL/NoSQL, and cloud technologies. Champion software engineering best practices, ensure adherence to quality standards, and maintain engineering effectiveness through … in Computer Science or related technical field, with 5+ years of experience in enterprise-level web application development using modern frameworks. Expertise in Java, SpringBoot (including modules such as Spring Data, Security, and Cloud), Microservice Architecture, and SQL/NoSQL databases. Proficiency with ORM frameworks (e.g. More ❯
a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , SpringBoot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … design best practices and technical guidance. Essential Skills & Requirements: Expertise in Java (essential), with additional skills in C#/.NET development. Proven experience with SpringBoot ; exposure to Spring Batch is a plus. Strong knowledge of SQL and experience with reporting tools like SSRS, Power BI, SSAS More ❯
london, south east england, united kingdom Hybrid / WFH Options
Computappoint
a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , SpringBoot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … design best practices and technical guidance. Essential Skills & Requirements: Expertise in Java (essential), with additional skills in C#/.NET development. Proven experience with SpringBoot ; exposure to Spring Batch is a plus. Strong knowledge of SQL and experience with reporting tools like SSRS, Power BI, SSAS More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Computappoint
a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , SpringBoot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … design best practices and technical guidance. Essential Skills & Requirements: Expertise in Java (essential), with additional skills in C#/.NET development. Proven experience with SpringBoot ; exposure to Spring Batch is a plus. Strong knowledge of SQL and experience with reporting tools like SSRS, Power BI, SSAS More ❯
suitability for different tasks Essential Extensive experience in full-stack software engineering, including design, development, testing, and deployment. Significant hands on experience with Java, SpringBoot and Microservices. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as More ❯
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 ❯
focusing on creating an open architecture that integrates various players in the private equity ecosystem. Microservices: build and maintain microservices using Java 21 and SpringBoot, ensuring scalability, reliability, and performance. Cloud Development: play a crucial role in our cloud infrastructure with Kubernetes (K8s) on AWS, leveraging Docker … continuous learning and improvement. Qualifications Experience: 7+ years of experience in back-end development, with a strong focus on Java (preferably Java 21) and Spring Boot. Microservices Architecture: proven experience in designing and developing microservices-based architectures. Cloud Expertise: hands-on experience with AWS services, including EC2, and a … delivering scalable solutions. Communication: 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 More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
Runtime Group Ltd
will be expected to have a proven track record working to best practices and with the latest Java versions ( 11 - 21), Microservices, Spring, Springboot, AWS, Docker, Kubernetes, CI/CD Pipelines, TDD and multi-threaded applications. Requirements: 1st - 2:1 Bachelor's degree in Computer Science, Software Engineering, or … and best practices.. A passion for fintech and a strong desire to learn and grow in this industry. Java (11 - 21), Microservices, Spring, Springboot, AWS, Docker, Kubernetes, CI/CD Pipelines, TDD and multi-threaded applications. Key Responsibilities: Collaborate with a team of developers to design, develop, and test More ❯
london, south east england, United Kingdom Hybrid / WFH Options
Runtime Group Ltd
will be expected to have a proven track record working to best practices and with the latest Java versions ( 11 - 21), Microservices, Spring, Springboot, AWS, Docker, Kubernetes, CI/CD Pipelines, TDD and multi-threaded applications. Requirements: 1st - 2:1 Bachelor's degree in Computer Science, Software Engineering, or … and best practices.. A passion for fintech and a strong desire to learn and grow in this industry. Java (11 - 21), Microservices, Spring, Springboot, AWS, Docker, Kubernetes, CI/CD Pipelines, TDD and multi-threaded applications. Key Responsibilities: Collaborate with a team of developers to design, develop, and test More ❯
performance microservices while mentoring junior team members and advocating for best engineering practices. Key Responsibilities: Design, develop, and maintain backend services using Java and Spring Architect and implement microservices and cloud-native solutions Apply Domain-Driven Design (DDD) principles to create structured, maintainable code Collaborate with cross-functional teams … including DevOps, frontend, and product management Advocate for best practices in security, performance, and system scalability Key Skills & Experience: Strong experience in Java (SpringBoot, Spring Cloud) Expertise in cloud platforms (Google Cloud preferred, AWS or Azure also relevant) Experience with microservices architecture and event-driven systems More ❯
product teams to deliver world-class gaming solutions. Key Responsibilities ✔ Develop & Lead – Drive the development of scalable, interactive gaming products using Java (11+), Scala & SpringBoot . ✔ Microservices & API Design – Design and implement modular microservices architecture with 3-tier API design . ✔ Cloud & DevOps – Work within an AWS … . ✅ SQL Database Proficiency – Strong experience with SQL databases (PostgreSQL preferred). ✅ Microservices & Cloud – Deep knowledge of microservices architecture, API design, and AWS . ✅ SpringBoot & Scala – Nice to have but not essential. ✅ Betting, Gaming, or Big Data Background – Experience in real-time data environments such as betting More ❯