1 to 25 of 38 Permanent Java Engineer Jobs in the South East

Java Engineer - Java Developer - Software Engineer - PostGres - Kubernetes - Kafka - TDD - 6-Month Contract - Hybrid (2 days on site, London) - Day Rate: Up to £650 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers … enhance complex backend services in a modern, cloud-native environment. What you'll be doing: Designing and developing performant, scalable backend systems using Java (up to Java 21) Working with PostGres Building microservices with Spring Boot and related frameworks Developing and maintaining RESTful APIs and event-driven systems ...

Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits The Company We are working with a international Fintech Start-Up in the payments space who are completely changing the game for how payments work … will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers. Responsibilities for the Backend Engineer, Java, Kotlin, AWS | Fintech, Payments Platform (B2B) | London, Hybrid (2 days per week) | Salary Up to £80,000+ Bonus & Benefits Design, implement ...

Java Engineer Salary to £60k + Company Options Scheme Hybrid working between your home, their offices (London Vauxhall) & client sites. NB: Please only apply if you are a UK National and able to achieve either SC or DV clearance. (SC) 5 years & (DV) 10 years residency … data and deliver citizen services. Theyre growing fast and looking for bright, dynamic people to help build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public ...

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 the team ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

Java Engineer Location: London (Hybrid) Compensation: Up to £170,000 + Bonus + Comprehensive Benefits The Role Join a leading FinTech as a Java Engineer and help build their next-generation, low-latency trading platform. What You'll Be Doing Develop high-performance systems in Java … stakeholders in a collaborative, agile environment What You'll Bring Degree in Computer Science, Software Engineering, Mathematics, or related STEM field Strong experience in Java development with a performance-first mindset Solid understanding of multithreading, concurrency, and system optimization Commitment to high-quality code and engineering best practices ...

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 ...

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 pension … engineers. Due to our continued success, we are looking to expand our highly skilled engineering team. The Role: We are currently seeking a senior Java software engineer who specialises in user interfaces to join our engineering team. The successful applicant will work as part of a team utilising ...

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 ...

Pricing Algo Java Engineer Up to £160,000 on the base I am looking for experienced Java engineers to join one of Europe's top-tier fixed-income algorithmic trading desks. The role involves building a greenfield execution system from the ground up, spanning five core business … related quantitative field Minimum of 5 years of experience in electronic trading or a similar role in financial markets Strong programming skills in Java, with experience in low-latency environments In-depth understanding of market microstructure, order types, and exchange connectivity Excellent problem-solving skills and ability to work ...

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 … building robust microservices that support high-traffic user experiences, serving thousands or millions of concurrent users. What We're Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

Full Stack Engineer/Developer (Java JavaScript) London/WFH to £100k Are you Java technologist with full stack development skills? You could be progressing your career in a hands-on, impactful, Full Stack Engineer role, working on a \"tech for good\" product that is helping … real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS/Android). As a Full Stack Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby ...

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 … 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 and Angular within a microservices ...

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 … 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-on development in Java Experience of Spring/Spring Boot ...