26 to 50 of 51 Senior Java Engineer Jobs in the UK excluding London

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 … on: Designing 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 More ❯

As a Senior Java Developer, you’ll play a pivotal role in the design, development, and delivery of both greenfield and existing systems. You’ll help shape our architectural direction, influence engineering best practices, and mentor team members — all while remaining hands-on with coding and problem-solving. This is a unique opportunity to work across a modern … stack (Java, Spring, Angular, Kafka) and navigate the challenges of evolving a legacy platform into a cloud-native, microservice-oriented future. Key Responsibilities Design, develop, and maintain scalable Java RESTful APIs using the Spring framework. Collaborate with frontend engineers working in Angular/TypeScript to build modern user interfaces. Lead by example with strong, hands-on coding in … Java and JavaScript/TypeScript. Maintain, improve, and occasionally dive deep into complex, messy legacy code — making pragmatic decisions about when to refactor, rewrite, or retire. Guide technical decision-making for a complex, evolving architecture — with the opportunity to simplify and shape our future direction. Mentor, support, and upskill team members while fostering a positive, delivery-focused team culture. More ❯

As a Senior Java Developer , you’ll play a pivotal role in the design, development, and delivery of both greenfield and existing systems. You’ll help shape our architectural direction, influence engineering best practices, and mentor team members — all while remaining hands-on with coding and problem-solving. This is a unique opportunity to work across a modern … stack (Java, Spring, Angular, Kafka) and navigate the challenges of evolving a legacy platform into a cloud-native, microservice-oriented future. Key Responsibilities Design, develop, and maintain scalable Java RESTful APIs using the Spring framework. Collaborate with frontend engineers working in Angular/TypeScript to build modern user interfaces. Lead by example with strong, hands-on coding in … Java and JavaScript/TypeScript. Maintain, improve, and occasionally dive deep into complex, messy legacy code — making pragmatic decisions about when to refactor, rewrite, or retire. Guide technical decision-making for a complex, evolving architecture — with the opportunity to simplify and shape our future direction. Mentor, support, and upskill team members while fostering a positive, delivery-focused team culture. More ❯

Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent More ❯

sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you'll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you'll contribute … directly to architecture and development, while supporting and mentoring other engineers. It's an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate … on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You're an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST More ❯

sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you'll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you'll contribute … directly to architecture and development, while supporting and mentoring other engineers. It's an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate … on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You're an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST More ❯

sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you'll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you'll contribute … directly to architecture and development, while supporting and mentoring other engineers. It's an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate … on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You're an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST More ❯

us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Job Summary: We are seeking a highly skilled Senior Java Developer with a strong background in designing, developing, testing, and deploying scalable, high-performance applications using modern technologies and cloud-native architectures. Proficient in building microservices with … like PostgreSQL , MongoDB , and Redis . Skilled in event-driven systems using Apache Kafka , and containerized deployments with Docker and Kubernetes . Key Responsibilities: Design, develop, and deploy scalable Java-based microservices. Collaborate with cross-functional teams to define and deliver new features. Troubleshoot and resolve complex technical issues across environments. Write clean, maintainable, and efficient code following industry … infrastructure to ensure performance and reliability. Implement secure and resilient deployment strategies. Work closely with operations teams to ensure smooth application delivery and uptime. Required Skills & Experience: Backend Development: Java, Spring Boot, Spring REST API (JAX-RS), EJB, Spring Integration, Spring Batch, EclipseLink JPA Database Technologies: PostgreSQL, MongoDB, Redis, Oracle DevOps & CI/CD: GitLab CI/CD, Jenkins More ❯

us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Job Summary: We are seeking a highly skilled Senior Java Developer with a strong background in designing, developing, testing, and deploying scalable, high-performance applications using modern technologies and cloud-native architectures. Proficient in building microservices with … like PostgreSQL , MongoDB , and Redis . Skilled in event-driven systems using Apache Kafka , and containerized deployments with Docker and Kubernetes . Key Responsibilities: Design, develop, and deploy scalable Java-based microservices. Collaborate with cross-functional teams to define and deliver new features. Troubleshoot and resolve complex technical issues across environments. Write clean, maintainable, and efficient code following industry … infrastructure to ensure performance and reliability. Implement secure and resilient deployment strategies. Work closely with operations teams to ensure smooth application delivery and uptime. Required Skills & Experience: Backend Development: Java, Spring Boot, Spring REST API (JAX-RS), EJB, Spring Integration, Spring Batch, EclipseLink JPA Database Technologies: PostgreSQL, MongoDB, Redis, Oracle DevOps & CI/CD: GitLab CI/CD, Jenkins More ❯

us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Job Summary: We are seeking a highly skilled Senior Java Developer with a strong background in designing, developing, testing, and deploying scalable, high-performance applications using modern technologies and cloud-native architectures. Proficient in building microservices with … like PostgreSQL , MongoDB , and Redis . Skilled in event-driven systems using Apache Kafka , and containerized deployments with Docker and Kubernetes . Key Responsibilities: Design, develop, and deploy scalable Java-based microservices. Collaborate with cross-functional teams to define and deliver new features. Troubleshoot and resolve complex technical issues across environments. Write clean, maintainable, and efficient code following industry … infrastructure to ensure performance and reliability. Implement secure and resilient deployment strategies. Work closely with operations teams to ensure smooth application delivery and uptime. Required Skills & Experience: Backend Development: Java, Spring Boot, Spring REST API (JAX-RS), EJB, Spring Integration, Spring Batch, EclipseLink JPA Database Technologies: PostgreSQL, MongoDB, Redis, Oracle DevOps & CI/CD: GitLab CI/CD, Jenkins More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯

Job Title: Java, AWS – Senior/Tech Lead Location: Nottingham, United Kingdom (Hybrid: 3 days in office, 2 days remote) About the Role: We are expanding our Java Development team in Nottingham! If you’re passionate about building high-quality software that enhances the lives of consumers, this is your chance to work in a collaborative, self … and contribute to your technical domain Required Skills and Experience: Experience with AWS/Cloud platforms Proven ability to deliver high-quality applications Strong programming skills with experience in Java and modern OO principles (SOLID, SOA, HTTP, REST) Experience with Spring Boot and Spring Cloud Experience in building APIs and working within a microservices architecture Ability to collaborate effectively More ❯

sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you’ll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you’ll contribute … directly to architecture and development, while supporting and mentoring other engineers. It’s an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate … on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You’re an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST More ❯

sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role As a Senior Software Engineer , you’ll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you’ll contribute … directly to architecture and development, while supporting and mentoring other engineers. It’s an ideal opportunity for an experienced Java developer who enjoys solving complex challenges and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate … on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You’re an experienced software engineer who takes ownership, communicates clearly, and thrives in a collaborative Agile environment. Essential: 5+ years of experience in Java development Strong knowledge of SQL and web services (REST More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within More ❯

Trading System Engineer – Shape the Future of Trading Leading European Private Bank Ready to make a real impact on a cutting-edge trading platform? A leading European private bank is seeking a highly skilled Trading System Engineer/Architect to spearhead the transformation of their equity trading technology. This is a unique opportunity to contribute to a multi … Execution Platform. Guarantee the system's high availability for global equity market trading. Craft bespoke trading workflows tailored to the specific needs of demanding clients across multiple trading desks. Engineer and optimize systems for dynamic scalability, ensuring responsiveness to market fluctuations and events. Collaborate closely with other IB Engineering teams and project stakeholders. What You Bring: A minimum of … five years of experience in software engineering, with a focus on modern software design, architectural patterns, and performance optimization (throughput, latency, capacity). Expert-level proficiency in Java, particularly in the development of high-performance, low-latency, and microservice-based real-time trading applications. Deep understanding of trading systems, including integration with reference and market data systems, ideally within More ❯

generative AI use cases Implement integrations with data lakes and event stores to enable real-time data flow Contribute fullstack features, including React-based frontends and backend services in Java and Python Ensure code quality through clean, maintainable, and well-tested implementations Participate in design reviews, pair programming, and engineering best practices Deliver features across sprint cycles and collaborate … with global teams Your Qualifications 8+ years of hands-on experience in software engineering, especially in platform/backend systems Expert-level skills in Java and strong proficiency in Python Experience with Apache Kafka, Flink, and Pulsar for building distributed data pipelines Familiarity with scalable data storage and data lake integrations Proven ability to integrate AI/ML models More ❯

generative AI use cases Implement integrations with data lakes and event stores to enable real-time data flow Contribute fullstack features, including React-based frontends and backend services in Java and Python Ensure code quality through clean, maintainable, and well-tested implementations Participate in design reviews, pair programming, and engineering best practices Deliver features across sprint cycles and collaborate … with global teams Your Qualifications 8+ years of hands-on experience in software engineering, especially in platform/backend systems Expert-level skills in Java and strong proficiency in Python Experience with Apache Kafka, Flink, and Pulsar for building distributed data pipelines Familiarity with scalable data storage and data lake integrations Proven ability to integrate AI/ML models More ❯

possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Overview: We are seeking an experienced Java Developer with strong expertise in building scalable microservices and cloud-native applications. Skilled in backend development using Spring Boot , and proficient in working with modern databases and messaging systems. … Adept at implementing CI/CD pipelines and managing cloud infrastructure to ensure secure, reliable, and high-performing deployments. Key Responsibilities: Design, develop, test, and deploy scalable Java-based applications. Collaborate with cross-functional teams to define, design, and deliver new features. Troubleshoot and resolve complex technical issues across environments. Write clean, efficient, and maintainable code following best practices. …/CD pipelines to automate software delivery. Integrate tools such as Jenkins, Git, Docker, and Kubernetes into the development lifecycle. Monitor, maintain, and optimize cloud infrastructure (IBM Cloud) supporting Java applications. Ensure the security, performance, and reliability of deployment pipelines. Implement infrastructure as code using tools like Terraform or CloudFormation. Collaborate with operations teams to ensure smooth deployment and More ❯

possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Overview: We are seeking an experienced Java Developer with strong expertise in building scalable microservices and cloud-native applications. Skilled in backend development using Spring Boot , and proficient in working with modern databases and messaging systems. … Adept at implementing CI/CD pipelines and managing cloud infrastructure to ensure secure, reliable, and high-performing deployments. Key Responsibilities: Design, develop, test, and deploy scalable Java-based applications. Collaborate with cross-functional teams to define, design, and deliver new features. Troubleshoot and resolve complex technical issues across environments. Write clean, efficient, and maintainable code following best practices. …/CD pipelines to automate software delivery. Integrate tools such as Jenkins, Git, Docker, and Kubernetes into the development lifecycle. Monitor, maintain, and optimize cloud infrastructure (IBM Cloud) supporting Java applications. Ensure the security, performance, and reliability of deployment pipelines. Implement infrastructure as code using tools like Terraform or CloudFormation. Collaborate with operations teams to ensure smooth deployment and More ❯

possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Overview: We are seeking an experienced Java Developer with strong expertise in building scalable microservices and cloud-native applications. Skilled in backend development using Spring Boot , and proficient in working with modern databases and messaging systems. … Adept at implementing CI/CD pipelines and managing cloud infrastructure to ensure secure, reliable, and high-performing deployments. Key Responsibilities: Design, develop, test, and deploy scalable Java-based applications. Collaborate with cross-functional teams to define, design, and deliver new features. Troubleshoot and resolve complex technical issues across environments. Write clean, efficient, and maintainable code following best practices. …/CD pipelines to automate software delivery. Integrate tools such as Jenkins, Git, Docker, and Kubernetes into the development lifecycle. Monitor, maintain, and optimize cloud infrastructure (IBM Cloud) supporting Java applications. Ensure the security, performance, and reliability of deployment pipelines. Implement infrastructure as code using tools like Terraform or CloudFormation. Collaborate with operations teams to ensure smooth deployment and More ❯

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation … packages. Responsibilities: Help build out the firm's real-time trading systems, OMS and EMS using Core Java Collaborate with the Technology teams and Quants/Traders to optimize trading systems Desirable Candidates: Bachelor's degree in Computer Science, Finance, or a related field. 3+ years of Java Development experience within the financial industry Previous Order Management System More ❯

Our client, a major Quantitative Hedge fund, is looking to hire a skilled Java Software Engineer to help build out the firm's trading systems and tooling. This role allows you to join one of the world's most successful hedge funds, collaborate with an exceptionally talented team operating in a hybrid approach, and earn market-leading compensation … packages. Responsibilities: Help build out the firm's real-time trading systems, OMS and EMS using Core Java Collaborate with the Technology teams and Quants/Traders to optimize trading systems Desirable Candidates: Bachelor's degree in Computer Science, Finance, or a related field. 3+ years of Java Development experience within the financial industry Previous Order Management System More ❯