JavaSoftwareEngineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid 3 days a week in the office) JavaSoftwareEngineer:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a … track record of building things that others have ruled out as impossible. The JavaSoftwareEngineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks … and tools. Applicants will need a background in Java with a focus on Server side technologies. Core skills for the Back End Engineer: 5yrs+ in a commercial Development role Solid experience of Java (3yrs+) Good knowledge of Cloud Technologies (AWS) and Microservices Strong Database experience Degree in Computer Science, Engineering, or a related field, or equivalent hands More ❯
JavaSoftwareEngineer - 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 JavaSoftwareEngineer 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 JavaSoftwareEngineer 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 JavaSoftwareEngineer 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 ❯
JavaSoftwareEngineer Derby Permanent £40k (DOE) + Benefits JavaSoftwareEngineer 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 JavaSoftwareEngineer you will be an integral part of our Agile team, developing new + enhanced product features for our core systems. Strong Java, Spring Boot More ❯
East London, London, United Kingdom Hybrid / WFH Options
Client Server
Lead Backend SoftwareEngineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend SoftwareEngineer with team leadership skills? You could be progressing your career in a Lead Backend SoftwareEngineer role at a global FinTech/CFD trading company that has been consistently voted as one … of the UKs top employers. As a Lead Backend SoftwareEngineer 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead Backend SoftwareEngineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend SoftwareEngineer with team leadership skills? You could be progressing your career in a Lead Backend SoftwareEngineer role at a global FinTech/CFD trading company that has been consistently voted as one … of the UKs top employers. As a Lead Backend SoftwareEngineer 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 ❯
West London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend SoftwareEngineer/Developer (Java 17 Kotlin AWS) London/WFH to £85k Are you a technologist Backend SoftwareEngineer 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 SoftwareEngineer 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 ❯
East London, London, United Kingdom Hybrid / WFH Options
Client Server
Backend SoftwareEngineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend SoftwareEngineer 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 SoftwareEngineer 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend SoftwareEngineer/Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend SoftwareEngineer 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 SoftwareEngineer 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend SoftwareEngineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Backend SoftwareEngineer 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 SoftwareEngineer 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 ❯
Farnborough, Hampshire, South East, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
Job Description Senior SoftwareEngineer Location: Farnborough, with flexibility to work from home dependent on business demands The Role: We are in search of a Senior SoftwareEngineer t o support a Government Critical National Infrastructure project. As a Senior SoftwareEngineer 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Staff SoftwareEngineer/Developer (Java Kotlin AWS React) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on SoftwareEngineer 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 SoftwareEngineer 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Interquest
Lead SoftwareEngineer – 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 Javaengineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role As a Lead SoftwareEngineer, 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 ❯
South West London, London, United Kingdom Hybrid / WFH Options
Run-Time Group Ltd
Job Title: Mid-Senior JavaEngineer 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 JavaEngineer 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 ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Interquest
Senior SoftwareEngineer – 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 SoftwareEngineer, 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Interquest
Senior SoftwareEngineer – 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 SoftwareEngineer, 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 ❯
Hucclecote, Gloucestershire, United Kingdom Hybrid / WFH Options
Omega Resource Group
JavaSoftwareEngineer 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 ❯
Gloucester, Gloucestershire, South West, United Kingdom Hybrid / WFH Options
Omega Resource Group
JavaSoftwareEngineer – 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 ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
InterQuest Solutions
Lead SoftwareEngineer - 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 Javaengineer ready to shape technology strategy, manage engineering teams, and deliver complex, mission-critical systems for household-name clients. The Role Take ownership of the design, architecture, and delivery of scalable, high-performance Java-based systems. Lead technical direction across multiple projects, ensuring best-in-class coding standards, testing, and performance. … 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
TXP
Role: SoftwareEngineer (Java, TypeScript, JavaScript, NodeJS, ReactJS, Python) Location: Remote working with some meetings at offices either in Manchester or London. IR35 status: Outside Length of contract: 5 months initial contract (with a view to possible extension) Overview We are seeking a SoftwareEngineer to support the delivery and maintenance of shared engineering components … and EKS. Navigate specific change and governance processes to deliver code and changes to the estate. Coordinate stakeholders and embed continuous improvement practices across engineering teams. Skills & Experience Strong software development background, especially with TypeScript, JavaScript, NodeJS, ReactJS, Python, and Java. Experience with enterprise-scale engineering environments. Familiarity with DevOps practices and performance measurement. Excellent stakeholder coordination and governance More ❯
JavaSoftwareEngineer - 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 More ❯
About The Role Job Level: 9 UK Wide We are looking for a Senior SoftwareEngineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross … functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor and support junior engineers, helping to develop their skills and promote best practices. Collaborate with cross … functional teams, including product management, UX/UI, DevOps, and QA, to ensure software meets business requirements. Implement and optimise CI/CD pipelines to enhance development efficiency and software quality. Conduct code reviews, providing constructive feedback to enhance team performance and code quality. Troubleshoot and resolve technical issues, ensuring software operates smoothly and efficiently. Stay current More ❯
Role: SoftwareEngineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Please Note: Any offer of employment is subject to satisfactory BPSS and DV security clearance which typically requires 10 years continuous UK address history usually including no periods of 30 consecutive days or more spent outside of the UK and declaration More ❯
Job Title: Mid-Senior JavaEngineer 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 JavaEngineer to join a dynamic financial technology team in London. You will play a key role in developing, maintaining, and More ❯
About The Role Job Level: 10 UK Wide We are looking for aLead Software Engineerwho will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in software development processes. You will collaborate … closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible for driving culture through your craft and be keen to take on line management responsibilities. Responsibilities Lead the architecture, design, and development of complex software systems, ensuring they meet high standards … of quality, security, and scalability. Manage and mentor a team of software engineers, providing technical guidance to foster professional growth. Ensure that coding standards, development best practices, and operational processes are consistently applied. Collaborate with product managers, UX/UI teams, and other departments such as DevOps, QA, and IT to translate business requirements into technical specifications and ensure More ❯
a mission to find and work with leading banks all around the world who have the ambition to build rapid growth businesses, on our technology. Engine is Starling's software-as-a-service (SaaS) business, the technology that was built to power Starling, and two years ago we split out as a separate business. Starling has seen exceptional growth … within a commutable distance of our offices so that we're able to interact and collaborate in person. About Engineering at Engine by Starling - We're looking for Backend Software Engineers to work on the Engine Platform and make our existing features work for banks all over the world as well as building new features from scratch that Starling … primary tech stack may be. Hear more from the team in some case studies, below, and our work with Women In Tech . Day in the Life of a SoftwareEngineer Running a Backend Team We are looking for engineers at all levels to join the team. We value people being engaged and caring about customers, caring about More ❯