1 to 25 of 27 Java Software Engineer Jobs in the South East

Senior Java Software Engineer - User Interfaces Location: Guildford, GU1 4QU Salary: Circa £50K - £85K per annum, DOE + Benefits, Bonus and Relocation Contract: Full time, Permanent Benefits: Competitive salary, Annual bonus, Private medical insurance, Membership fees to professional organisations, such as the IET or BCS, 8% employer … Kaon's success is a result of the skills and effort of our engineering team which is made up of signal processing, acoustic, software and systems engineers. Due to our continued success, we are looking to expand our highly skilled engineering team. The Role: We are currently seeking ...

Senior Java Engineer | hybrid (2 days in office) | Up to £85k Want to work for a global technology company that helps businesses easily connect, manage, and scale their devices using secure and reliable mobile connectivity worldwide. We’re looking for a Senior Software Engineer to join … properly , using sound engineering theory and modern architectural patterns. What You’ll Be Doing Designing and building scalable, event-driven systems Working heavily with Java , applying strong OOP principles and design patterns Contributing to software and system architecture decisions Challenging ideas constructively and raising engineering standards Supporting ...

Senior Software Engineer/Developer (Java Full Stack) Guildford/WFH to £80k Do you have strong Java skills combined with full stack development experience? You could be progressing your career in a senior, hands-on role at a scaling technology company that produces software solutions for the defence and civil aviation sector. As a Senior Software Engineer you will design and develop client based features and enhancements, working across the full technology stack on confidential projects. You'll use a range of technology with a focus on Java, Spring Boot ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We're partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role … building high-performance, scalable software for real-world, high-traffic systems. About the Role You'll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic ...

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services … modern, cloud-native environment. What you'll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21). Building microservices with Spring Boot and related frameworks. Developing and maintaining RESTful APIs and event-driven systems. Writing clean, testable code and following TDD principles. ...

Java Software Engineer Location: London Business Unit: Central Government, Law Enforcement and National Security Level: Mid-Senior Employment Type: Permanent Clearance: Must hold active UK Security Clearance About the Opportunity We are partnering with several businesses seeking experienced Java Software Engineers to help deliver mission … intersection of advanced engineering and real-world problem-solving, developing cutting-edge products that counter evolving threats. Our teams work with leading technologies across Software Application, Cyber, Cloud, DevOps/SRE, and Platform Engineering, supporting customers across the National Security, Defence and Intelligence community. With long-term programmes secured ...

Java Software Engineer required for our client in Leatherhead, Surrey. This role is 4 days a week on-site. Key Responsibilities: Develop and maintain Java-based applications, APIs, and backend services Collaborate with cross-functional teams to analyze requirements and deliver features Participate in code reviews … contribute to continuous code quality improvement Debug, troubleshoot, and resolve software defects and production issues Write clean, maintainable, and well-documented code Optimize application performance and scalability Stay up to date with emerging Java technologies and best practices Required skills/experience: 3-5 years of hands ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines … highly regulated environment. Key Responsibilities: Develop backend systems and APIs in Java, using the Spring ecosystem Work with AWS and infrastructure-as-code tools such as Terraform or Helm Design and implement scalable, production-ready systems for complex financial processes Collaborate with business and technical stakeholders to align solutions ...

Role: Software Engineer (Java) Location: London Salary: Competitive salary and package (Depending on level of experience) Any offer of employment is subject to satisfactory BPSS and the candidate being granted a level of security clearance which typically requires 10 years continuous UK address history, usually including ...

Senior Software Engineer - Java (Remote, UK-based setup)Overview Join a world-leading US healthcare pioneer, operating from the UK with fully remote and flexible work options. You'll play a critical role in a cloud-first, API-led platform, contributing 60% of your time to coding … tech to solve real problems.What you'll do Build and deliver applications and integrations in an agile environment Develop cloud-based solutions using Java in a multi-tenant setting Tackle scaling challenges related to performance, security, robustness, and reliability Collaborate with product teams to design technical solutions that meet ...

Graduate Quant Software Engineer (C++/Java – Trading Systems) | £55,000–£77,000 | Hybrid (London/Remote) Build technology that powers real trading. Join a high-performance engineering team developing low-latency, resilient backend systems used in live trading environments. You’ll work on complex technical challenges … from day one, building software that genuinely impacts how markets operate — not just writing code in the background. This is a fast-growing fintech where strong engineers progress quickly into Senior, Low-Latency, or Quant-Engineering tracks within 12–24 months. What You’ll Do Design, build, and optimise ...

Senior Java Software Engineer - User Interfaces Location: Guildford, GU1 4QU Salary: Circa £50K - £85K per annum, DOE + Benefits, Bonus and Relocation Contract: Full time, Permanent Benefits: Competitive salary, Annual bonus, Private medical insurance, Membership fees to professional organisations, such as the IET or BCS, 8% employer ...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and coding standards, and collaborating with product managers and other stakeholders to deliver high-quality products for the financial services industry. Key responsibilities include coding, debugging, and maintaining applications, conducting code reviews, troubleshooting complex technical issues ...

client is re-engineering their cloud-based practice management platform and looking for a Java Engineer to help take it global. You'll work hands-on with Java, Spring Boot, Azure, and modern cloud-native tech, building scalable, mission-critical systems used by thousands every day. What … Design and build cloud-native services with Java & Spring Tackle scale, performance, security, and reliability challenges Help modernise a large Azure platform (Kubernetes, Docker, Terraform) Coach junior engineers and influence technical decisions What you'll bring 5+ years' Java experience (Spring/JEE) Strong API, database ...

Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction … performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools ...

Java Developer Join a high-impact Core Technology team at a leading hedge fund. About the Company This firm is a major player in the space, a multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise … with advanced software engineering to manage institutional capital globally. What You'll Do Design and build high impact internal systems using Java Own projects end-to-end: from architecture to deployment Collaborate with analysts to solve real-world business problems Support and mentor junior team members on coding ...

description: Hands on Java application design, software development and automated testing (Java 11 and higher). Intermediate knowledge of basic infrastructure technologies and components. Familiarity with application containers based on spring, Vert.X or equivalent. Familiarity with Cloud services including DevOps concepts and CI/CD tools. Experience ...

description: Hands on Java application design, software development and automated testing ( Java 11 and higher). Intermediate knowledge of basic infrastructure technologies and components. Familiarity with application containers based on spring , Vert.X or equivalent. Familiarity with Cloud services including DevOps concepts and CI/CD tools. Experience ...

Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn't what this firm does, tech is. Our client is an innovative … order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don't have a comp ...