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

Senior Java Engineer Location: Burgess Hill, UK Work Schedule: Hybrid We're hiring a Senior Java Engineer to build and deploy world-class software. This is a hybrid role, combining remote and office work. About the Role You'll develop high-quality software using distributed frameworks, automate deployments, and ensure our systems are scalable and robust. … You'll contribute to the entire software development lifecycle, from design to production. Required Skills Experience: 4+ years of professional software development experience. Core Languages: Must be proficient in Java 8+ (Java 11/17 is a plus) and have at least 1 year of experience with GoLang . Key Technologies: Expertise in Spring Boot , Microservices , and Event More ❯

Senior Java Engineer Location: Burgess Hill, UK Work Schedule: Hybrid We're hiring a Senior Java Engineer to build and deploy world-class software. This is a hybrid role, combining remote and office work. About the Role You'll develop high-quality software using distributed frameworks, automate deployments, and ensure our systems are scalable and robust. … You'll contribute to the entire software development lifecycle, from design to production. Required Skills Experience: 4+ years of professional software development experience. Core Languages: Must be proficient in Java 8+ (Java 11/17 is a plus) and have at least 1 year of experience with GoLang . Key Technologies: Expertise in Spring Boot , Microservices , and Event More ❯

Senior Java Engineer Location: Burgess Hill, UK Work Schedule: Hybrid We're hiring a Senior Java Engineer to build and deploy world-class software. This is a hybrid role, combining remote and office work. About the Role You'll develop high-quality software using distributed frameworks, automate deployments, and ensure our systems are scalable and robust. … You'll contribute to the entire software development lifecycle, from design to production. Required Skills Experience: 4+ years of professional software development experience. Core Languages: Must be proficient in Java 8+ (Java 11/17 is a plus) and have at least 1 year of experience with GoLang . Key Technologies: Expertise in Spring Boot , Microservices , and Event More ❯

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, low-latency systems and will be More ❯

Senior Java Engineer Location: Burgess Hill, UK Work Schedule: Hybrid We're hiring a Senior Java Engineer to build and deploy world-class software. This is a hybrid role, combining remote and office work. About the Role You'll develop high-quality software using distributed frameworks, automate deployments, and ensure our systems are scalable and robust 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, ensuring best … 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 ❯

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 aSenior-Level Java Engineerto 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 … in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and 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 aSenior-Level Java Engineerto 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 … in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and More ❯

QA Engineer (Java) | Fintech Trading £70,000 - £80,000 + Bonus + Benefits Hybrid - 3 days/week in Central London Join a collaborative, engineering-led team ensuring the stability and performance of a high-volume, global electronic trading platform. You'll write clean, quality Java-based automation code to contribute to an internal Java-based … test automation framework, catching issues before they hit production and helping deliver flawless, high-performance user experiences. What You'll Do Build and maintain robust Java test automation Work on an internal Java-based test automation framework used across all teams handling high-traffic, real-time trades. Collaborate with developers to improve quality at every stage. Own QA … processes for performance, reliability and user experience. What You Bring Strong experience with Java automation testing & backend testing. Background in automation testing for complex, high-performance platforms. Passion for quality and attention to detail in fast-paced environments. BONUS POINTS: Experience in electronic trading, FX, banking or fintech domains Shape the quality of software that millions of trades rely More ❯

Software Engineer/Developer (Java AWS React) London/WFH to £110k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs with … a hugely successful track record. As a Software Engineer you will join a small team to build systems from the ground up, working across the full technology stack with a focus on designing, developing and deploying cloud-native microservices that form the core of the platform. You'll collaborate closely with the Lead Engineer, Architect and Product Manager … time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong knowledge of modern 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 solutions … 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. • Have experience with More ❯

Java Engineer | Reading | HealthTech £40,000 – £85,000 + Bonus + Benefits Java, JavaScript, SQL, TDD, Spring Modern healthcare demands modern engineering, and this is your chance to be part of it.We’re hiring Java Engineers (Mid to Senior level) for a fast-growing HealthTech company that’s transforming how NHS hospitals deliver care. Their platform … on: Designing and developing their flagship product Building real-time clinical applications with high availability and scalability Collaborating with cross-functional teams to deliver impactful solutions Tech stack includes : Java 21, Spring, JavaScript, Hibernate, RESTful APIs, AWS, Azure, Linux What’s on offer? Salary £40k–£85k depending on experience, bonus scheme, generous holiday allowance, pension and healthcare contributions, & quick 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 £100k + … 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 (Amazon EKS preferred 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 improve patient … 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 Kotlin, SpringBoot … 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 and permission based systems You have a good understanding of software architecture and have experience of building systems from More ❯

complete full-time training and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. As a Junior Java Engineer you will: Work closely with developers, designers, analysts, and testers to build and refine digital solutions Solve real-world challenges on dynamic and meaningful projects Write clean … your collaborative skills, problem-solving abilities, and growth mindset to secure your spot in the Academy. Person specification: To qualify, you need to demonstrate some experience or understanding of Java similar technologies. Most importantly, you should have a strong eagerness to learn and grow. We're also seeking passionate individuals who align with our values: Empathy & Diversity - Integrity, respect 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 solutions with architectures that … software. Experience with decomposing monolithic software into manageable pieces, especially in related software domains. Experience designing shared services like caching, eventing, and messaging in distributed environment. Key Skills: Extensive Java or C experience including: Best practice coding Unit testing Source control management. Possess the knowledge and experience to perform complex tasks. Ability to work independently and/or under 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 solutions with architectures that More ❯

Lead Full Stack Engineer Industrial AI Platform Location: Reading WFH: Minimum 3 days in the office a week (hybrid and flexible working) Java Angular AWS £70,000 - £100,000 We are a high-growth scale-up building a cloud SaaS platform that enables industrial and energy clients to manage fleets of autonomous systems and turn vast inspection data … Already working with some of the world s leading industrial organisations, this platform is central to our long-term SaaS growth strategy. The Opportunity We re hiring a Lead Engineer to take ownership of the architecture, development, and delivery of our platform. You ll be both hands-on and strategic: shaping the technology roadmap, delivering core features, and setting … the opportunity to hire and mentor engineers as we scale What You ll Do Own the end-to-end design and architecture of a SaaS platform Deliver across backend (Java) and frontend (Angular) systems Build secure, scalable cloud infrastructure (AWS) Implement APIs, authentication (SSO/LDAP), and secure data pipelines Develop dashboards and data visualisations to transform complex datasets More ❯

Lead Full Stack Engineer – Industrial AI Platform Location: Reading WFH: Minimum 3 days in the office a week (hybrid and flexible working) Java | Angular | AWS £70,000 - £100,000 We are a high-growth scale-up building a cloud SaaS platform that enables industrial and energy clients to manage fleets of autonomous systems and turn vast inspection data … Already working with some of the world’s leading industrial organisations, this platform is central to our long-term SaaS growth strategy. The Opportunity We’re hiring a Lead Engineer to take ownership of the architecture, development, and delivery of our platform. You’ll be both hands-on and strategic: shaping the technology roadmap, delivering core features, and setting … the opportunity to hire and mentor engineers as we scale What You’ll Do Own the end-to-end design and architecture of a SaaS platform Deliver across backend (Java) and frontend (Angular) systems Build secure, scalable cloud infrastructure (AWS) Implement APIs, authentication (SSO/LDAP), and secure data pipelines Develop dashboards and data visualisations to transform complex datasets More ❯

around the world Qualifications & Experience Essential Attributes: 4+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 4+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer … in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties : Develop high-quality, performative, and reliable Java applications. Guide and mentor developers such as graduates and juniors Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead … performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience : 5+ years of experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Experience with version control (GIT preferred More ❯

We are currently partnering with a global technology leader seeking a Senior Java Developer. You will be at the forefront of cutting-edge technology including AI, shaping the way millions of users experience seamless digital solutions. This is an opportunity to modernise and enhance industry-leading solutions, ensuring they remain reliable and scalable. As a Senior Java Developer … in an agile environment, you’ll collaborate with cross-functional teams to define, design, and implement innovative features while mentoring junior engineers. Duties : Develop high-quality, performative, and reliable Java applications. Guide and mentor developers such as graduates and juniors Oversee software architecture, ensuring seamless integration with various platforms. Gather and analyse requirements, refining features and technical solutions. Lead … performance, and drive best coding practices. Manage defects and oversee their resolution across the development team. Experience : 5+ years of experience in software engineering, with a strong focus on Java development. Experience leading and/or mentoring technical teams within fast-paced, agile environments. Expertise in microservices architecture, REST API development, and security. Experience with version control (GIT preferred More ❯

around the world Qualifications & Experience Essential Attributes: 10+ years of experience in Software development of complex applications. Excellent understanding of design principles and considerations, best practice 10+ years of Java and C++ development experience History of applying best practices, code reviews and quality checks Familiarity with build pipeline tools and technologies such as Gitlab Must be self-motivated but More ❯

APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Developer Location: Manchester, Cheltenham or London Clearance required: eDV Duration: 5+ months Role Description: • Java development • Object store configuration and containerisation • Docker, Kubernetes • Back-end software development using Python and Java • Relational databases and SQL • Experience integrating 3rd party software, scripting/glue More ❯

APAC, US and Canada. We have an excellent job opportunity for you. Role Title: Software Developer Location: Manchester, Cheltenham or London Clearance required: eDV Duration: 5+ months Role Description: • Java development • Object store configuration and containerisation • Docker, Kubernetes • Back-end software development using Python and Java • Relational databases and SQL • Experience integrating 3rd party software, scripting/glue More ❯