1 to 25 of 52 Java Software Engineer Jobs in the UK

Java Software Engineer - Asset Management Software Salary: £70,000 - £80,000 + bonus + benefits Approximately 3 days a week in Central London office. A central London-based company, who are building trading software for the asset management and hedge fund industry, are looking for a Java Software Engineer to join them … on their mission. This scale-up is a spin-out from one of the largest UK born global asset managers. They are looking for a Java Software Engineer with the following: Mid level commercial Core Java development background Multithreading, concurrency and high-throughput experience AWS/Public Cloud experience with DevOps tools An advocate for modern … methodologies including TDD, pair-programming and CD Tech: Core Java, Multithreading, Concurrency, AWS, DevOps, ActiveMQ/MongoDB, Kafka The role will suit a Java Software Engineer with a strong enthusiasm to work in a fast-paced, financial environment and who has a natural interest in the trading industry. Day-to-day, you will be building distributed More ❯

Java Software Engineer Derby Permanent £40k (DOE) + Benefits Java Software Engineer needed for a permanent career opportunity based in Derby . Start ASAP during Autumn 2025. A chance to join a leading supplier of specialist safety and compliance technology solutions, including the flexibility to work a 4-day working week. Benefits includine: Salary … Day Working Week + Pension + Annual Bonus + 20 Days Holiday (plus BHs) + Pension + Free Parking + More. Key skills, experience + tasks to include: As Java Software Engineer you will be an integral part of our Agile team, developing new + enhanced product features for our core systems. Strong Java, Spring Boot More ❯

Lead Backend Software Engineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one … of the UKs top employers. As a Lead Backend Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers 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 a week work from home, when you are in the office More ❯

Lead Backend Software Engineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one … of the UKs top employers. As a Lead Backend Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers 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 a week work from home, when you are in the office More ❯

Backend Software Engineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm … that specialise in trading silver and gold. As a Backend Software Engineer you'll collaborate with the Lead Engineer on the core trading platform as the company looks to scale the platform and introduce new features. There's an emphasis on code quality; designing and developing highly complex web based trading platforms working across the full development … lifecycle. The technology stack includes Java 17, Kotlin, Spring Boot and AWS amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. WFH Policy: You'll join the team in the West London office with flexibility to work from home twice More ❯

Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs More ❯

Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs More ❯

Software Engineer (Java/Azure/Spring Boot) | Glasgow | £550-£650/day (Inside IR35) | Financial Services We are urgently looking for an experienced Software Engineer for a 6-month contract with a leading consultancy, working onsite with a high-profile client in the financial services sector. b Key Responsibilities: Design, develop, and maintain Java … Contribute to architecture and design discussions, ensuring scalability, security, and performance Write clean, testable, and well-documented code following industry best practices Required Skills & Experience: Strong commercial experience with: Java (8 or later) Spring Boot Azure App Services and other Azure PaaS offerings Solid understanding of microservices architecture and RESTful APIs Familiarity with CI/CD pipelines and modern … DevOps practices Must be based in Glasgow or willing to relocate! Interviews are happening imminently, apply now! Software Engineer (Java/Azure/Spring Boot) | Glasgow | £550-£650/day (Inside IR35) | Financial Services Oscar Associates (UK) Limited is acting as an Employment Business in relation to this vacancy. To understand more about what we do with More ❯

Backend Software Engineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. W hat's in it for you: Salary to … networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Your role: As a Backend Software Engineer you will join a fairly new team working on a new crypto offering to design, develop and implement 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, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres, Redis You have experience of running production workloads on Kubernetes More ❯

Job Description Senior Software Engineer Location: Farnborough, with flexibility to work from home dependent on business demands The Role: We are in search of a Senior Software Engineer t o support a Government Critical National Infrastructure project. As a Senior Software Engineer you will l ead multiple software development team(s) to deliver … his position is a full time, permanent role and applicants must have SC clearance or be willing to undergo the clearance process. What will I be doing? Lead multiple software development team(s) to deliver solutions with architectures that provide capability improvements, reduced costs and flexibility to adapt quickly to customer needs. Understand high-level features and desired outcomes … of those outcomes and maintaining a roadmap of capability improvements (in conjunction with the Senior Leadership Team) related to the softwares architecture and the end-to-end design. Formulate software designs that create solutions meeting various desired outcomes (both now and future) while balancing the goals and constraints on the solutions (i.e. customer environment, cybersecurity, continuous integration/continuous More ❯

Staff Software Engineer/Developer (Java Kotlin AWS React) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to … and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Staff Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on … there once every three weeks, and also occasionally visit clients in the South West to gather requirements and liaise on bespoke product development. About you: You have expertise with software engineering best practices, experience across the full development lifecycle and tech stack You have experience with Kotlin, Java, SpringBoot and AWS You have a good understanding of APIs More ❯

Lead Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £110K We’re working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. • Act as a trusted technical advisor, balancing architectural vision with delivery realities. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Lead Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £110K We're working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. • Act as a trusted technical advisor, balancing architectural vision with delivery realities. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Lead Software Engineer – Java (Digital Consultancy) – Edinburgh – Hybrid – up to £110K We're working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … product managers, and stakeholders to translate business needs into technical solutions. • Drive innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Lead Software Engineer – Java (Digital Consultancy) – Leeds – Hybrid – up to £110K We're working with a leading UK digital consultancy, rapidly growing across the UK with a headcount of 500+. They combine technical excellence with a culture that genuinely puts people first, delivering innovative solutions across finance, e-commerce, gaming, and more. This is a high-impact … leadership role for a Lead Java engineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead Software Engineer, you will: • Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. • Lead technical direction across multiple projects … innovation and continuous improvement in development processes, cloud adoption, and CI/CD pipelines. • Act as a trusted technical advisor, balancing architectural vision with delivery realities. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Extensive experience in Java backend development and API architecture. • Proven track record More ❯

Software Engineer (Java, Spring Boot, Azure) | Glasgow (5 days per week, fully on-site) | £550-£650 per day (Inside IR35) | 6 months (with strong potential for extension) A leading consultancy that we've worked with for a while is looking for highly skilled Software Engineers with strong financial sector experience to join their team supporting a … secure, scalable, and compliant systems for financial services. NO SPONSORSHIP FOR THIS ROLE, MUST HAVE VALID RTW You'll be based onsite in Glasgow, developing and automating solutions using Java, Spring Boot, and Azure. Candidates must have a valid right to work in the UK and be either local or willing to relocate, as remote work is not available. … Key Responsibilities Design, build, and maintain enterprise-grade applications using Java and Spring Boot Develop, deploy, and support solutions within Azure cloud environments Automate workflows and application deployment processes Design and manage CI/CD pipelines (e.g., Jenkins, GitLab CI, GitHub Actions) Work closely with stakeholders within a financial services environment to ensure delivery of compliant, high-quality software More ❯

Software Engineer – Java & Microservices Location: Burgess Hill (3 Days Onsite) Employment Type: Permanent About the Role We are seeking a skilled Software Engineer with strong hands-on experience in Java (8 or above) and Microservices architecture to join our development team in Burgess Hill. The ideal candidate will design, build, and deploy scalable, high … performing applications using modern frameworks and tools, collaborating within an Agile team to deliver high-quality digital solutions. Key Responsibilities Design, develop, and maintain scalable Java-based microservices using Spring Boot . Participate in code reviews , unit testing, and debugging to ensure software quality and adherence to standards. Automate deployment and integration processes using Jenkins and GitHub . … or Couchbase . Contribute to performance tuning, optimization, and system scalability. Collaborate in Agile ceremonies and continuously improve development practices. Technical Skills (Mandatory & Preferred) Mandatory Skills: Strong experience in Java (8/11/17) and Microservices development . Proficiency with Spring Boot Framework . Experience with NoSQL and PostgreSQL databases. Exposure to Cucumber for testing, Jenkins , and GitHub More ❯

Software Engineer – Java & Microservices Location: Burgess Hill (3 Days Onsite) Employment Type: Permanent About the Role We are seeking a skilled Software Engineer with strong hands-on experience in Java (8 or above) and Microservices architecture to join our development team in Burgess Hill. The ideal candidate will design, build, and deploy scalable, high … performing applications using modern frameworks and tools, collaborating within an Agile team to deliver high-quality digital solutions. Key Responsibilities Design, develop, and maintain scalable Java-based microservices using Spring Boot . Participate in code reviews , unit testing, and debugging to ensure software quality and adherence to standards. Automate deployment and integration processes using Jenkins and GitHub . … or Couchbase . Contribute to performance tuning, optimization, and system scalability. Collaborate in Agile ceremonies and continuously improve development practices. Technical Skills (Mandatory & Preferred) Mandatory Skills: Strong experience in Java (8/11/17) and Microservices development . Proficiency with Spring Boot Framework . Experience with NoSQL and PostgreSQL databases. Exposure to Cucumber for testing, Jenkins , and GitHub More ❯

Job Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and … enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working model, with 2-3 days per week in the office. Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with … cross-functional teams to deliver robust and scalable software solutions. Ensure code quality, security, and performance standards are met. Work on both greenfield and existing applications, improving architecture and implementing best practices. Troubleshoot and resolve complex technical issues. Participate in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based More ❯

Senior Software Engineer – Java (Digital Consultancy) – Manchester – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Senior Software Engineer – Java (Digital Consultancy) – Manchester – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Senior Software Engineer – Java (Digital Consultancy) – Edinburgh – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Senior Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £85K We’re working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You’ll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Senior Software Engineer – Java (Digital Consultancy) – London – Hybrid – up to £85K We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK. They combine technical excellence with a supportive culture that genuinely puts people first. This is an opportunity to join a cross-functional agile team delivering innovative … e-commerce, gaming, and more. You'll be working alongside engineers, QA, product, and design to build robust systems that make a real impact. The Role As a Senior Software Engineer, you will: • Work across multiple technologies, producing scalable, testable, and well-architected code. • Develop and maintain RESTful Java APIs and database integrations. • Troubleshoot and solve complex … software issues, ensuring quality and performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. More ❯

Java Software Engineer Defence, Cyber & Intelligence Full-Time eDV Clearance Required We are seeking Software Engineers at all levels to join a leading aerospace and defence organisation, delivering mission-critical software for high-impact programmes in the Defence, Cyber, and Intelligence sectors. You'll work on cutting-edge DevSecOps systems and applications, supporting secure digital … infrastructures across the UK. This is a fantastic opportunity to contribute to meaningful projects while enjoying flexible working arrangements and excellent development opportunities. Key Responsibilities: Software design, development, and debugging on secure systems Creating and maintaining test frameworks (e.g., JUnit 5) Developing in Linux environments with modern languages (Java, Python) Working with Agile/SCRUM practices and CI …/CD pipelines (GitLab) Contributing across the software development lifecycle from requirements to deployment Tech Stack Includes: Java, Python, Linux, Git, JUnit, GitLab CI/CD, Oracle, MongoDB, JavaScript/TypeScript, React, Apache NiFi, Elasticsearch, Kibana, AWS, Hibernate, Atlassian Suite What s on Offer: Hybrid working and flexible schedules (4xFlex) Ongoing training and career development Exciting projects within More ❯