Farnborough, Hampshire, South East, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
Job Description SeniorSoftwareEngineer Location: Farnborough, with flexibility to work from home dependent on business demands The Role: We are in search of a SeniorSoftwareEngineer t o support a Government Critical National Infrastructure project. As a SeniorSoftwareEngineer you will l ead multiple software development team(s) to deliver solutions with architectures that provide capability improvements, reduced costs and flexibility to adapt quickly to customer needs. T 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 (both now and future). Assist Team building, understanding and analyzing desired outcomes. Responsible for the application-level outcomes, prioritisation of those outcomes and maintaining a More ❯
Job Title: SeniorJavaSoftwareEngineer Salary: 60,000 - 80,000 + package Location: Cardiff (onsite circa 2 days every other week) Clearance: Must be SC eligible CPS Group are looking for a SeniorJavaSoftwareEngineer to join a highly skilled engineering team … delivering enterprise-scale solutions in an agile, collaborative environment based in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications. This is a hands-on role where you'll apply strong technical expertise in Java and … Spring, and ideally bring experience with containerisation and cloud environments. Key Responsibilities Design, build, and maintain high-quality Java applications. Contribute to the development of microservices and modern architectures. Work with Spring framework to deliver scalable solutions. Apply best practices in software engineering including TDD, CI/CD, and automation. Collaborate within an agile team to More ❯
Job Title: SeniorJavaSoftwareEngineer Salary: £60,000 - £80,000 + package Location: Cardiff (onsite circa 2 days every other week) Clearance: Must be SC eligible CPS Group are looking for a SeniorJavaSoftwareEngineer to join a highly skilled engineering team … delivering enterprise-scale solutions in an agile, collaborative environment based in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications. This is a hands-on role where you'll apply strong technical expertise in Java and … Spring, and ideally bring experience with containerisation and cloud environments. Key Responsibilities Design, build, and maintain high-quality Java applications. Contribute to the development of microservices and modern architectures. Work with Spring framework to deliver scalable solutions. Apply best practices in software engineering including TDD, CI/CD, and automation. Collaborate within an agile team to More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Interquest
SeniorSoftwareEngineer – 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 … 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 SeniorSoftwareEngineer, 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 More ❯
Edinburgh, Midlothian, Scotland, United Kingdom Hybrid / WFH Options
InterQuest Group (UK) Limited
SeniorSoftwareEngineer – 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 … 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 SeniorSoftwareEngineer, 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 More ❯
Job Title: SeniorJavaSoftware EngineerSalary: £60,000 - £80,000 + packageLocation: Cardiff (onsite circa 2 days every other week)Clearance: Must be SC eligibleCPS Group are looking for a SeniorJavaSoftwareEngineer to join a highly skilled engineering team delivering enterprise-scale solutions in … an agile, collaborative environment based in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications.This is a hands-on role where you'll apply strong technical expertise in Java and Spring, and ideally bring experience with … containerisation and cloud environments.Key ResponsibilitiesDesign, build, and maintain high-quality Java applications.Contribute to the development of microservices and modern architectures.Work with Spring framework to deliver scalable solutions.Apply best practices in software engineering including TDD, CI/CD, and automation.Collaborate within an agile team to drive continuous improvement.Ensure solutions meet security and performance requirements.Key Skills RequiredStrong commercial More ❯
Edinburgh, Midlothian, Scotland, United Kingdom Hybrid / WFH Options
InterQuest Group (UK) Limited
SeniorSoftwareEngineer – 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 … 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 SeniorSoftwareEngineer, 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 More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Interquest
SeniorSoftwareEngineer – 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 … 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 SeniorSoftwareEngineer, 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 More ❯
Edinburgh, Midlothian, Scotland, United Kingdom Hybrid / WFH Options
InterQuest Group (UK) Limited
SeniorSoftwareEngineer – 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 … 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 SeniorSoftwareEngineer, 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 More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Run-Time Group Ltd
Job Title: Mid-SeniorJavaEngineer 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 More ❯
Reston, Virginia, United States Hybrid / WFH Options
ICF
success doesn't happen by accident. It takes the right team of people, working together on the right solutions for the customer. We are looking for a seasoned SeniorSoftwareEngineer who will be a key driver to make this happen. Our team supports the vision to improve patient quality care and consumer decision … and cloud-based infrastructure, our dynamic work environment involves multiple project teams collaborating toward a common vision of delivering an integrated solution. The Work We are seeking a SeniorSoftwareEngineer to join our dynamic team. In this role, you will be responsible for working with a team of engineers and building enterprise-level … backend solutions using a variety of technologies. You will be working with JavaScript, Java, Spring Boot and OpenAPI to develop robust and scalable applications that support the Centers for Medicare and Medicaid Services (CMS). Your responsibilities will also include leveraging AWS cloud technologies to manage large datasets and create efficient data pipelines. You will be expected to More ❯
Overview We're Civica and we make software that helps deliver critical services for citizens all around the world. From local to state government, to education, to health and care, over 5,000 public bodies across the globe use our software to help provide critical services to over 100 million citizens. Our aspiration is to be … years of continuous growth and success, we're at a pivotal point on our journey to realise that aspiration. Why You'll Love This Opportunity as a SeniorSoftwareEngineer at Civica As a Senior Backend SoftwareEngineer, you will play a critical role in designing, developing, and … across Civica, adhering to industry best practices. Your expertise in building cloud-ready products will be instrumental in driving successful outcomes. Responsibilities Design, develop, test, and maintain critical software systems, primarily focused on Java. Provide technical guidance and mentorship to engineers. Drive technical decisions and own complex system components. Collaborate with technical product managers, designers, and other engineers More ❯
We are seeking a SeniorJavaSoftwareEngineer with a focus in large-scale data to spearhead the modernization of the unclassified OSINT data layer, expanding an enterprise data lake into a community-wide data hub. You will architect scalable ingestion, storage, and data-sharing solutions on AWS, driving new access patterns … initiatives Leverage modern build tools, testing frameworks, and CI/CD pipelines to ensure quality and delivery speed Design, implement, and test backend services and APIs using a Java/Spring stack for production applications Integrate with cloud services to expose high-value data through secure, performant interfaces Leverage DevSecOps pipelines, containers, and modern deployment tools to deliver … software efficiently and reliably You may thrive in this role if you have: A strong software engineering foundation with 4+ years of Java and Spring Framework experience, emphasizing robust testing practices and clean architecture. Hands-on experience with AWS cloud services, including S3, DynamoDB, EKS/Kubernetes, DocumentDB, Lambda, Timestream, and CloudWatch. Experience operating More ❯
SeniorSoftwareEngineer - 6 Month Contract Start Date: ASAP Rate: Market rates, outside ir35 Contract Length: 6 months Location: Manchester, hybrid Key Responsibilities Design, build, and maintain scalable backend services using Java, aligning with best practices for performance, reliability, and maintainability. Work with containerisation/orchestration technologies (Kubernetes) to deploy, manage, and … reviews. Collaborate cross-functionally with architects, DevOps/SRE, QA to define technical roadmap, troubleshoot production issues, and ensure observability. Essential Skills & Experience Strong and proven experience in Java, Spring Boot, in enterprise-scale backend systems. Hands-on experience with Kubernetes, deploying microservices in production. Solid working knowledge of Cloud Platforms, including networking, storage, services like GKE, Pub More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Adecco
SeniorSoftwareEngineer - 6 Month Contract Start Date: ASAP Rate: Market rates, outside ir35 Contract Length: 6 months Location: Manchester, hybrid Key Responsibilities Design, build, and maintain scalable backend services using Java, aligning with best practices for performance, reliability, and maintainability. Work with containerisation/orchestration technologies (Kubernetes) to deploy, manage, and … reviews. Collaborate cross-functionally with architects, DevOps/SRE, QA to define technical roadmap, troubleshoot production issues, and ensure observability. Essential Skills & Experience Strong and proven experience in Java, Spring Boot, in enterprise-scale backend systems. Hands-on experience with Kubernetes, deploying microservices in production. Solid working knowledge of Cloud Platforms, including networking, storage, services like GKE, Pub More ❯
will function as an integral member of a multi-contractor team providing program, engineering, and technical support to Missile Defense programs. The chosen candidate will be responsible for Javasoftware development. Job Duties/Responsibilities Responsible for performing in-depth analysis and technical support of systems software products, including complex problem resolution, design, development … testing, operational integration, and user support Maintains currency, debugs, and configures related software products Works from specifications to develop or modify operating systems applications Assists with design, coding, benchmark testing, debugging, and documentation of programs Interfaces with other system support groups to resolve problems, set standards, and improve the overall efficiency of the operating system Designs, codes, tests … and implements tools for operations automation Works on most phases of software systems programming applications and may require minor instruction and guidance in other phases Leadership positions on small software-focused teams may be required Minimum Education and Experience Bachelor's degree in computer science, mathematics, physics, engineering, or related field from an accredited college with More ❯
Java Frameworks, J2E, Python, C++, Oracle, MongoDB, SQL Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen. Must have TS/SCI clearance w/active polygraph (CI or FS) At least fourteen (14) years of direct/… on projects with similar processes may be substituted for a bachelor's degree. Must have demonstrated in-depth experience with Java. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX. Must have experience or familiarity with multiple … with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT. Must have experience with software source control and configuration management tools. Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures). Must have experience developing More ❯