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 Spring Boot (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 queries More ❯
Atlanta, Georgia, United States Hybrid / WFH Options
Living Talent
portfolio managers. Troubleshoot and debug performance issues across base code, APIs, and data layers. Tech Stack Cloud Native: AWS Frontend: React, Redux, RTK Query, AG-Grid, MUI Backend: Java, Spring, PostgreSQL, Redis, Snowflake DevOps: AWS EKS, CI/CD pipelines Skills & Qualifications 5+ years of enterprise software engineering experience Cloud-native development expertise Extensive React skills Proficiency in Java … and SpringFramework Strong AWS experience (Lambda, S3, EKS) Skilled in troubleshooting and debugging performance issues Experience in fintech, investment management, asset management, or similar domains BS or MS in Computer Science or related field More ❯
Senior Backend Developer | Java, Spring Boot, RESTful APIs Manchester | Hybrid Up to £85,000 A leading global technology-driven services company in the financial/hospitality sector is seeking a Senior Backend Developer to help architect, build, and optimize backend systems for their international platform. In this role, you will lead the design, development, and deployment of backend services … collaborate closely with cross-functional teams during technical design and product planning. The ideal candidate will have extensive experience in backend development with a strong focus on Java and Spring Boot . You should be skilled in designing RESTful APIs, developing efficient database schemas, and implementing best practices in security and cloud-based environments. Experience with AWS is highly … suits a senior engineer who enjoys being hands-on while also guiding and supporting junior team members and collaborating with a wide range of technical teams. Essential Skills Java Spring Boot RESTful APIs SQL and NoSQL databases Desirable Skills CI/CD pipelines AWS Python If you’re looking for a role where you can make a real technical More ❯
or Master's degree in computer science or related field 7-10 years of hands-on software development experience Experience building web applications using J2EE technologies and frameworks like Spring Experience building RESTful and consuming RESTful/SOAP web services Good interpersonal communication skills for tech and business conversations Good analytical skills to break down requirements, solve complex problems … Desired skills: Experience working on high volume applications Experience in server-side frameworks like Spring MVC Experience building restful web services Experience in latest front-end technologies like handlebars, foundation, and reactJS Experience in performance tuning with good understanding JVM internals Experience in modern JVM languages like groovy Prior open-source contributions Background in mathematics or statistics Proven task More ❯
Lead Java Engineer £80,000 + bonus and benefits packages. Hybrid- Spring Gardens, Manchester- 3 days in office Oliver Bernard are partnering with a well-established digital product company based in Manchester who are looking for a Lead Java Engineer to join their growing team. This is a great opportunity for some hands-on technical leadership to shape engineering … practices, mentor a talented team and drive delivery across a cloud-based platform. Tech Stack Java/Spring Boot with reactive programming. Kafka, GraphQL, gRPC and REST APIs Expertise in AWS TDD The Role You will take ownership of technical direction and work closely with both the product and engineering teams to uphold high-quality engineering practices. If you More ❯
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Nigel Wright Group
high-impact work, your primary influence will come through technical leadership: empowering teams to build scalable, secure, and high-performing services.With deep expertise in backend technologies such as Java, Spring Boot, and event-driven systems like Kafka, you'll help ensure architectural consistency and elevate engineering standards across multiple teams.This role is central to aligning technical strategy with business … objectives and future-proofing the products backend capabilities Person Technical Expertise : Strong Java experience (versions 7 through to latest) Familiarity with Spring Boot, AWS, Kubernetes, Kafka Product Mindset : Experience in product based organisations Proven ability to think beyond delivery—considering scalability, cost, latency, and long-term impact Leadership & Mentorship : Ability to guide and elevate a team of developers Bring More ❯
Strong problem-solving skills and attention to detail Experience with version control systems (Git) Bachelor's degree in Computer Science or related field Primary Skills: Java, Kotlin Secondary Skills: Spring Boot, NodeJS, REST, SQL (nice to have) Key Topics: Open Requisitions for Back End Engineers: Have skill set 5+ Years skills in Java, and Kotlin due to the back … end-focused road map. Tech Stack Priority The primary focus should be on Java, Node, and Kotlin, while other languages like Scala, Spring, and SQL are nice to have but not essential. Work Environment and Location- The team works in two-week sprints using agile methodology and scrum processes. The positions are initially for seven months with potential extensions. More ❯
West Midlands, England, United Kingdom Hybrid / WFH Options
Ikuto
to tackle modern engineering challenges that come with developing an AI-powered product at scale. What you’ll be working on Designing and developing backend services in Java with Spring Boot . Building scalable, production-ready systems that power a high-growth product. Deploying and running services in containerised environments ( Docker ). Collaborating closely with product managers and designers … bring intelligence and automation into the product. Taking ownership across the lifecycle — from first commit to running in production. What we’re looking for Strong experience with Java and Spring Boot . Background in building scalable, resilient systems. Experience with Docker and containerised environments. A product mindset: you want to solve user problems, not just ship code. Frontend skills More ❯
Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | 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. Opus … 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 | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
Java Developer - £100,000 - £140,000 – London/Hybrid Java 21 | Microservices | Spring boot | 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. Opus … 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 | Spring boot | AWS | Startup | Scaleup | Fintech | Banking | Amazon Web Services | PostgreSQL More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
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, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days … 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 Spring Boot 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 skills More ❯
Reading, Berkshire, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions Ltd
Java Engineer | Reading | HealthTech £40,000 – £85,000 + Bonus + Benefits Java, JavaScript, SQL, TDD, Spring Modern healthcare demands modern engineering, and this is your chance to be part of it.We’re hiring Java Engineers (Mid to Senior level) for a fast-growing HealthTech company that’s transforming how NHS hospitals deliver care. Their platform replaces outdated systems … and developing their flagship product Building real-time clinical applications with high availability and scalability Collaborating with cross-functional teams to deliver impactful solutions Tech stack includes : Java 21, Spring, JavaScript, Hibernate, RESTful APIs, AWS, Azure, Linux What’s on offer? Salary £40k–£85k depending on experience, bonus scheme, generous holiday allowance, pension and healthcare contributions, & quick interview process. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Client Server
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, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days … 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 Spring Boot 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 skills More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days … 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 Spring Boot 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 skills More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days … 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 Spring Boot 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 skills More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Client Server
Manchester three days a week with flexibility to work from home twice a week. About you: You have strong backend software engineering skills and experience You have strong Java, Spring and AWS experience You also have experience with Kafka for data streaming You have a good knowledge of Docker and Kubernetes You have technical leadership, mentoring and coaching experience … scheme, volunteer days and much more Diverse, supportive environment with great career progression opportunities Apply now to find out more about this Lead Backend Software Engineer/Developer (Java Spring AWS Kafka) 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 ❯
bolton, greater manchester, north west england, united kingdom Hybrid / WFH Options
Client Server
Manchester three days a week with flexibility to work from home twice a week. About you: You have strong backend software engineering skills and experience You have strong Java, Spring and AWS experience You also have experience with Kafka for data streaming You have a good knowledge of Docker and Kubernetes You have technical leadership, mentoring and coaching experience … scheme, volunteer days and much more Diverse, supportive environment with great career progression opportunities Apply now to find out more about this Lead Backend Software Engineer/Developer (Java Spring AWS Kafka) 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 ❯
warrington, cheshire, north west england, united kingdom Hybrid / WFH Options
Client Server
Manchester three days a week with flexibility to work from home twice a week. About you: You have strong backend software engineering skills and experience You have strong Java, Spring and AWS experience You also have experience with Kafka for data streaming You have a good knowledge of Docker and Kubernetes You have technical leadership, mentoring and coaching experience … scheme, volunteer days and much more Diverse, supportive environment with great career progression opportunities Apply now to find out more about this Lead Backend Software Engineer/Developer (Java Spring AWS Kafka) 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 ❯
Leamington Spa, Warwickshire, West Midlands, United Kingdom Hybrid / WFH Options
Corriculo Ltd
Senior Back-End Developer, Java Spring Boot, Hybrid, COR7370 Are you a skilled Back-End Developer with strong Java Spring Boot expertise, looking for your next challenge? Join a forward-thinking team shaping the future of AI-powered solutions. The Role As a Senior Back-End Developer, you'll design and maintain scalable, secure, and high-performing services … using Java Spring Boot. You'll build and optimise RESTful APIs, work closely with front-end teams to deliver seamless integrations, and ensure robust database management. With opportunities to experiment with AI-driven automation, this role offers a chance to influence cutting-edge back-end architecture. The Company Our client is transforming the way their industry works through innovative … role is primarily remote working, with one day per week from their offices near Leamington Spa. What's Required? The ideal candidate will have: Strong experience with Java and Spring Boot A solid understanding of RESTful API development and microservices Proficiency with relational databases and query optimisation along with experience with DevOps tools is desirable An interest in AI More ❯
Burgess Hill, Sussex, United Kingdom Hybrid / WFH Options
Randstad Technologies Recruitment
performance application development. The Successful candidate will have the following experience Extensive experience with Java 8+ Proficiency in reactive programming frameworks like Vert.X. or similar frameworks Proficient experience in Spring/spring boot Solid knowledge of relational database - SQL Experience with Behavior-Driven Development (BDD) Extensive experience with Cucumber. 60,000 to 70,000 Burgess Hill - Hybrid Working More ❯
Burgess Hill, West Sussex, South East, United Kingdom Hybrid / WFH Options
Randstad Digital
performance application development. The Successful candidate will have the following experience Extensive experience with Java 8+ Proficiency in reactive programming frameworks like Vert.X. or similar frameworks Proficient experience in Spring/spring boot Solid knowledge of relational database - SQL Experience with Behavior-Driven Development (BDD) Extensive experience with Cucumber. £60,000 to £70,000 | Burgess Hill - Hybrid Working More ❯
Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is a unique opportunity … clients and stakeholders to design end-to-end solutions What we’re looking for: Proven experience leading engineering teams and delivering enterprise-grade solutions Deep expertise in Java and Spring Strong background in API and data engineering Proficiency with cloud platforms (AWS, Azure, or GCP) Passion for mentoring, coaching, and continuous improvement Eligible for UK security clearance Benefits : Core More ❯
Employment Type: Full-Time
Salary: £87,000 - £118,000 per annum, Inc benefits
Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is a unique opportunity … clients and stakeholders to design end-to-end solutions What we’re looking for: Proven experience leading engineering teams and delivering enterprise-grade solutions Deep expertise in Java and Spring Strong background in API and data engineering Proficiency with cloud platforms (AWS, Azure, or GCP) Passion for mentoring, coaching, and continuous improvement Eligible for UK security clearance Benefits : Core More ❯
Employment Type: Full-Time
Salary: £87,000 - £118,000 per annum, Inc benefits
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Reed
Principal Engineer – Technology Consulting – Java/Spring London, Leeds, Manchester or Newcastle | Permanent | Hybrid (3 days onsite) £87,000–£118,000 + up to 20% bonus + exceptional benefits Join a forward-thinking technology consultancy as a Principal Engineer and take the lead on delivering complex, high-impact solutions for clients across the UK. This is a unique opportunity … clients and stakeholders to design end-to-end solutions What we’re looking for: Proven experience leading engineering teams and delivering enterprise-grade solutions Deep expertise in Java and Spring Strong background in API and data engineering Proficiency with cloud platforms (AWS, Azure, or GCP) Passion for mentoring, coaching, and continuous improvement Eligible for UK security clearance Benefits : Core More ❯
Employment Type: Full-Time
Salary: £87,000 - £118,000 per annum, Inc benefits
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, SpringFramework/Spring Boot, or related backend frameworks Solid understanding of API design, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team members More ❯