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 ❯
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 ❯
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
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 ❯
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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
and high-performance financial platforms are looking for Java Software Engineers to join their London-based engineering team. What You’ll Do Design, build, and maintain microservices using Java (SpringBoot) Develop and deploy cloud-native solutions on AWS Work with Kubernetes and Docker to manage and scale infrastructure Collaborate with product, DevOps, and blockchain specialists to deliver … robust backend services Contribute to architectural decisions and help shape the technical direction of our platforms What We’re Looking For Strong commercial experience with Java and SpringBoot Event Driven/Kafka Proven experience working with AWS and containerisation tools (Kubernetes, Docker) A passion for clean, efficient, and scalable code Strong problem-solving skills and a proactive More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Sanderson
You’ll Do Lead end-to-end development and deployment of mission-critical backend systems, targeting 99.999% availability. Architect and deliver high-throughput, cloud-native services using Java/SpringBoot , Node.js , and Python across AWS and Kubernetes environments. Implement event-driven architectures using Kafka, RabbitMQ, and AWS services (SNS, SQS, Lambda, DynamoDB). Drive automation across CI … experience in software engineering , SRE , or cloud platform design , ideally within banking, fintech, or e-commerce domains. Proven track record designing and delivering microservice architectures and API ecosystems using SpringBoot , Node.js , and Python . Deep technical expertise across AWS (EKS, ECS, Lambda, VPC, PrivateLink, CloudWatch, KMS, Aurora) and Kubernetes (Helm, Terraform, Argo CD). Experience with API More ❯
C# and .NET (ability to understand code and general knowledge of the framework) Experience in building complex, large-scale software solutions from scratch to live production Experience with Java, SpringBoot, Spring Data, JPA, Swagger, Maven, Kafka, PostgreSQL, Jenkins, GIT, RESTful Services, Docker Strong analytical skills Self-starter, fast learner, and great interpersonal skills Excellent English communication More ❯
services in a modern, cloud-native environment. What you’ll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with SpringBoot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. Working closely with DevOps, Product, and QA … to deliver high-quality solutions. Deploying and supporting services in AWS with tools such as Lambda, ECS, S3, and CloudFormation. What we’re looking for: Strong experience with Java, SpringBoot, and microservice architecture. Proven background working in cloud environments (ideally AWS). Familiarity with CI/CD pipelines and automation tools. Solid grasp of software testing, TDD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
they are tackling the biggest pain points stakeholders have, information overload and poor decision-making efficiency. What You’ll Do Develop and enhance their core services built in Java (SpringBoot). Work on full-stack features using React (or similar modern JS frameworks). Collaborate on new product initiatives, including AI-powered tools. Contribute to architecture decisions … and help shape the future Tech Stack Backend: Java (SpringBoot), Ruby on Rails (legacy), Golang, Python (AI services) Frontend: React, TypeScript Other: Kubernetes, modern CI/CD pipelines What We’re Looking For Strong experience with Java and Spring Boot. Full-stack skills with React or similar frameworks is desired Bonus points for Kubernetes, cloud-native More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
automation are seeking Java Developers who thrive in modern, cloud-native environments and want to make real impact. What you’ll do Design and develop high-performance microservices using SpringBoot Build scalable, cloud-based applications on AWS Collaborate with AI engineers, data scientists, and product teams to deliver intelligent solutions Contribute to system architecture, CI/CD … pipelines, and code reviews Bring fresh ideas to a fast-moving, innovative environment What we’re looking for Strong experience with Java (11+) and SpringBoot Proven track record building and deploying Microservices Solid understanding of AWS services (ECS, Lambda, S3, etc.) Experience with RESTful APIs, Docker, and CI/CD tools Enthusiastic about AI, data-driven development 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 ❯
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 ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering … culture. What You'll Be Doing: Build and scale backend services using Java and SpringBoot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD … functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL and More ❯
personal/professional training and development to meet the changing demands of the role, including all relevant regulatory and legislative training KEY SKILLS AND EXPERIENCE Strong expertise in Java, Spring Framework/SpringBoot, or related backend frameworks Solid understanding of API design, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team More ❯
have the opportunity to work on a modern product roadmap, building next-generation platforms and payment systems that are shaping the future of digital lending. Tech Stack Java 11+ SpringBoot AWS Microservices architecture Docker/Kubernetes Kafka (or similar messaging tools) Key Responsibilities Design and develop high-performance, low-latency software components. Contribute across the full software More ❯
City of London, London, United Kingdom Hybrid / WFH Options
HCLTech
on HCL, please visit www.hcl.com Role : FullStack Engineer Location : London ,UK Mode : Hybrid Duration : Permanent Job Description- Design, develop, and deploy scalable and resilient backend microservices using Java and Spring Boot. Configure DevOps pipelines on Google Cloud Platform (GCP) to support our credit decisioning engine. Build and maintain automated testing frameworks to ensure high-quality, mission-critical applications. Collaborate … 8+ years’ experience and with Project Lead experience. We are currently looking for full stack Java expertise but who has lead experience as well. Candidate should possess strong Java & Springboot experience and also should be able to lead/mentor a small team of 5 members. Being a lead, should have some experience in any of the UI frameworks. Required … Skills & Experience Backend Development: 8–15 years of experience with Java, SpringBoot, and microservices architecture. DevOps & Cloud: Hands-on experience with GCP, AWS, or Azure; familiarity with CI/CD pipelines. API Development: Proven expertise in building and maintaining RESTful APIs. Frontend Knowledge: Working knowledge of React or Angular. Testing: Strong background in automated testing and quality More ❯