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 ❯
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 ❯
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
Lead Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £115k Are you a hands-on backend focussed Software Engineer with team leadership skills? You could be progressing your career in a Lead Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top … and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, SpringBoot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two … terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and SpringBoot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative and pragmatic with great communication More ❯
East London, London, United Kingdom Hybrid / WFH Options
Client Server
Lead Software Engineer/Developer (Java SpringBoot AWS) London/WFH to £115k Are you a hands-on backend focussed Software Engineer with team leadership skills? You could be progressing your career in a Lead Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top … and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, SpringBoot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two … terrace, restaurant and break out areas. About you: You have strong technical and people leadership skills You have advanced experience of building cloud-native, distributed systems using Java and SpringBoot You have a strong knowledge of AWS including Amazon EKS You have experience with Kafka and event driven architectures You're collaborative and pragmatic with great communication More ❯
Overview Role : Java developer Rate : 400-Inside IR35 Location : London hybrid Responsibilities Develop Java applications using Java 11+ (Java 17 preferred) and Spring/SpringBoot, with experience in microservices and AWS. Ability to manage tasks independently without direct supervision and to deliver under pressure across multiple priorities. Requirements Essentials - Java 17 version preferred, Springboot, Microservices, AWS, Maven, Gradle, JPA, JMS, Junit, Bamboo, Stash, IntelliJ Good to have - ArgoCD, Kubernetes, Docker, Grafana, Splunk Nice to have - SonarQube Ability to work in small teams and strong … very important. As Macquarie has small teams, developer who can work independently Additional context Sample feedback from client (reference): 1. Comm skills and articulations skills - Average 2. Covered Java, Spring, Springboot, RDBMS, Cloud/Infra, Junits, application design, etc. 3. Have got hands-on in Java/Spring. Know about SQL queries, joins, indexes, etc. Average. More ❯
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 ❯
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
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
high performance cloud-native backend services including owning DevOps processes to ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, SpringBoot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, SpringBoot, REST, Postgres … that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Senior Software Engineer/Developer (Java AWS SpringBoot) 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 ❯
East London, London, United Kingdom Hybrid / WFH Options
Client Server
high performance cloud-native backend services including owning DevOps processes to ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, SpringBoot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, SpringBoot, REST, Postgres … that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Senior Software Engineer/Developer (Java AWS SpringBoot) 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 ❯
London, England, United Kingdom Hybrid / WFH Options
Focus on SAP
financial services project. You will play a key role in designing, building, and maintaining both the front-end and back-end components of high-performing web applications using Java, SpringBoot, and modern front-end frameworks. This is a great opportunity to work on large-scale, cloud-hosted systems that require performance, scalability, and innovation. Key Responsibilities: Front … interfaces using HTML5, CSS3, and JavaScript. Build modern UI components using React, Angular, or Vue.js. Back-End Development Develop and maintain RESTful APIs and microservices using Java 11+ and Spring Boot. Design and implement robust business logic and integrations. Database Management Work with relational databases such as Oracle, MySQL, or PostgreSQL. Experience with NoSQL databases like MongoDB or Cassandra. … Azure, or GCP. Collaboration & Version Control Work in Agile environments with cross-functional teams. Use Git/GitHub/Bitbucket for version control. Key Skills: Strong experience with Java, SpringBoot, Hibernate, and REST APIs. Solid understanding of microservices architecture. Knowledge of frontend frameworks (React/Angular). Familiarity with CI/CD pipelines, Docker, and Kubernetes. Strong More ❯
a clear understanding of their 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 Python, JavaScript, or similar. Extensive 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Motilent
pipelines, and version control systems (Git). Knowledge of unit testing, software verification, and design patterns. Nice to Have Advanced proficiency in Java and Gradle. Experience developing microservices using SpringBoot within containerised deployments (Docker/Kubernetes). Proven experience designing and scaling event-driven and distributed architectures in production environments. Proven experience deploying and managing production infrastructure … Demonstrated ability to mentor junior engineers, lead code reviews, and shape architectural decisions. Knowledge of DICOM/DICOMWeb standards or healthcare data integration workflows. Our Tech Stack Java and SpringBoot AWS DynamoDB Docker ...and more Ways of Working Operate within Motilent’s QMS, maintaining traceability and documentation as required by regulated software standards. Collaborate closely with engineers More ❯
pipelines, and version control systems (Git). Knowledge of unit testing, software verification, and design patterns. Nice to Have Advanced proficiency in Java and Gradle. Experience developing microservices using SpringBoot within containerised deployments (Docker/Kubernetes). Proven experience designing and scaling event-driven and distributed architectures in production environments. Proven experience deploying and managing production infrastructure … Demonstrated ability to mentor junior engineers, lead code reviews, and shape architectural decisions. Knowledge of DICOM/DICOMWeb standards or healthcare data integration workflows. Our Tech Stack Java and SpringBoot AWS DynamoDB Docker ...and more Ways of Working Operate within Motilent’s QMS, maintaining traceability and documentation as required by regulated software standards. Collaborate closely with engineers 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 ❯
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 ❯
South East London, London, United Kingdom Hybrid / WFH Options
Profile 29
through UK SC Security Clearance Experience in Java software engineering and object-oriented design Hands-on experience implementing solutions using Camunda 7 or 8 (BPMN/DMN) Familiarity with SpringBoot, REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation and orchestration Proficiency in Git, CI/CD pipelines, and automated testing frameworks Understanding of … allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN SpringBoot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Profile 29
through UK SC Security Clearance Experience in Java software engineering and object-oriented design Hands-on experience implementing solutions using Camunda 7 or 8 (BPMN/DMN) Familiarity with SpringBoot, REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation and orchestration Proficiency in Git, CI/CD pipelines, and automated testing frameworks Understanding of … allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN SpringBoot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation More ❯
South East London, London, United Kingdom Hybrid / WFH Options
Profile 29
resided in the UK for the past 5 years) and prepared to go through UK SC Security Clearance Strong experience in Java software engineering and object-oriented design Strong Spring (Boot) experience Experience with REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation and orchestration Proficiency in Git, CI/CD pipelines, and automated testing … allow you to work in the UK unrestricted for at least the next 5 years. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN SpringBoot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation More ❯