1 to 25 of 47 Java Software Engineer Jobs in the South East

Job Title: Java Software Engineer (Junior - Mid Level - Senior/Lead) Client: Elite Quant Trading Firm Salary: £50,000 - £170,000 Base (+ Bonus) Location: London/Hybrid/Remote Options The role: My client is looking for an experienced Java Software Engineer to … platform that you will be crucial in developing. Our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Java Software Engineer you will be tasked with designing and developing high-performance applications from scratch, harnessing our clients dedication to upholding the … highest tech standards in industry. Key Requirements: Degree in Computer Science or STEM based subjects from a top university. Strong programming skills as a Java Software Engineer. 2+ years of experience in software engineering or a similar domain. Experience using Core Java (preferable) Experience with concurrency More ❯

Java Software Engineer/Developer London to £110k Are you a bright, ambitious Software Engineer with a strong knowledge of core Java and an eagerness to learn and progress your career working on complex financial trading systems? You could be joining the Investment Management … arm of a global bank. As a Java Software Engineer you will research strategies for tailoring prices and controlling the behaviour of auto-hedging, you'll write production quality Java code used for pricing and hedging FX instruments and oversee the algorithms' performance intraday, ensuring that … discipline You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patters, Algorithms You have a deep knowledge of Java including garbage collection You have a strong appreciation of low latency systems and code optimisation to ensure speed You have experience within a financial More ❯

Java Software Engineer – Asset Management Technology 💸 Up to £100,000 + bonus + benefits 📍 Hybrid – 2 days/week in Central London Join a cutting-edge, cloud-native SaaS company backed by one of the UK’s leading global asset managers as a Java Software Engineer . They’re redefining portfolio management through an open architecture platform that puts control in the hands of the user – whether for multi-asset, single-asset, or transformational investment businesses. As a Java Software Engineer , you’ll be part of a high-performing team … building distributed, low-latency systems designed for speed, scale, and resilience. 🧠 What They’re Looking For: 2+ years’ commercial experience with Java Solid grasp of multithreading, concurrency , and high-throughput system design A passion for TDD, pair programming , and continuous delivery practices Computer Science degree from a Russell Group More ❯

Java Software Engineer – Real Time Systems | £70k - £95k + 20% Bonus Location: London (hybrid 1-2 days a week) Are you a Software Engineer passionate about building cutting-edge, high-performance systems? Do you thrive in an agile, fast-paced environment where innovation and collaboration … flagship product which delivers a seamless, cost-effective solution that integrates with banking applications to power the future of payments. The Role As a Software Engineer, you will play a key role in developing asynchronous, event-driven systems that ensure speed, scalability, and resilience. You’ll work with … Java 17+, Spring WebFlux, AKKA, Kafka and more to build solutions that process millions of transactions in real time. Develop high-quality code using TDD & BDD methodologies. Contribute to architecture and design decisions for an advanced payments platform. Optimise applications for high availability and scalability. Work in a highly More ❯

Java Software Engineer BurgessHill/Hybrid 65,000 GBP - 75,000 GBP A leading global IT consultancy is seeking a Java Software Engineer to join their team. In this role, you'll focus on developing and improving features within the Setup experience domain. You … across the platform to align on best practices, share knowledge, and drive consistent development standards. Essential Skills: Strong experience with backend programming, preferably in Java or similar type-safe languages. Skilled in building microservice architectures using REST and messaging tools like Kafka or RabbitMQ. Proficient in Agile/Scrum … CI/CD pipelines. Holds a degree in Computer Science or a related field, or has equivalent hands-on experience. Solid background in professional software development practices. This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your More ❯

Java Software Engineer BurgessHill/Hybrid 65,000 GBP - 75,000 GBP A leading global IT consultancy is seeking a Java Software Engineer to join their team. In this role, you'll focus on developing and improving features within the Setup experience domain. You … across the platform to align on best practices, share knowledge, and drive consistent development standards. Essential Skills: Strong experience with backend programming, preferably in Java or similar type-safe languages. Skilled in building microservice architectures using REST and messaging tools like Kafka or RabbitMQ. Proficient in Agile/Scrum … CI/CD pipelines. Holds a degree in Computer Science or a related field, or has equivalent hands-on experience. Solid background in professional software development practices. This is an urgent vacancy where the hiring manager is shortlisting for an interview immediately. Please apply with a copy of your More ❯

Job Title: Senior Java Engineer - Trading Location: London Salary Up to £170,000 base + discretionary Bonus Company: Our client is a prestigious trading firm located in the heart of London. With a strong focus on multi-strategy, multi-asset trading, they have consistently excelled in the dynamic … and fast-paced world of financial markets. They are currently seeking a Senior Java Engineer to join their elite team and drive the development of mission-critical software solutions. Position Overview: As a Senior Engineer at our client's firm, you will play a pivotal role … in developing and maintaining the software that powers their high-frequency trading operations. The ideal candidate will have a proven track record of building mission-critical software systems, and preferably come from a financial or trading background. Responsibilities: Designing, development, and maintenance of high-performance, low-latency trading More ❯

Java Software Developer – Front Office | London A leading investment bank is looking for a Java Software Developer to join its cross-asset pricing and risk team in London. This is a permanent Front Office role offering deep technical challenges, regular contact with the desk, and a … on performance, scalability, and clean architecture Contribute to the re-architecture of pricing for speed and efficiency (e.g., pre-calculated sensitivities) Tech Environment Core Java (Java 17+), multithreaded – essential Python – highly desirable React – small part of the stack, nice to have Messaging tech: Solace (Ideal), Aeron, or Kafka … etc. Candidate Profile 8+ years of experience in Java development Strong Front Office exposure – must have Pricing or risk platform experience is a plus Confident communicator with the ability (and experience) to work closely with the desk and quants Why Apply? Hybrid working: 2–3 days from home Emphasis More ❯

Job title - Java Software Engineer Location - London, UK We are seeking a Senior Java Backend Engineer with a strong background in Java, Spring Framework , and modern NoSQL/distributed caching technologies . Key Responsibilities Design, develop, and maintain robust backend systems using Java … Apache Ignite Work closely with DevOps to containerize applications using Docker Must-Have Qualifications 5+ years of hands-on experience in backend development with Java and Spring Boot Strong understanding of RESTful APIs and microservice architecture Production experience with NoSQL databases (MongoDB preferred; DynamoDB, Redis, or similar are a More ❯

Senior Software Engineer - Full Stack Engineer- Java, React, Spring Boot An exciting opportunity to join an innovative SaaS provider in the online gaming space. Work with top-tier clients in the UK and USA, contributing to the development of new software solutions within a rapidly … expanding company. Work within their software engineering squads to develop new and modernize legacy applications using microservices. You'll primarily focus on Java backend, with a practical understanding of frontend development. As such you will need: Expertise in core Java development Spring Boot Commercial JavaScript experience Strong More ❯

A leading provider of health data analytics solutions is looking for an enthusiastic and innovative Java Software Engineer to join a small team to help maintain and extend the capabilities of the platform. A Data Analytics platform has been developed with: Java Client Java Servlets … and third line support for product issues and queries Essential Degree in Computing, Maths, Engineering, Science or equivalent Strong back-end and front-end Java development background Some experience of JavaScript Ability to think independently, creatively and flexibly Strong Object-Oriented Design skills Extensive Structured Query Language (SQL) experience … the Google Web Toolkit (GWT) Understanding of Model-View-Controller (MVC) architectures The role offers the opportunity to make a significant contribution to the software that consultants and customers use to make real differences to people's lives. The company offers a highly competitive basic salary and a comprehensive More ❯

Mid-Level Java Engineer My client is a leading financial services firm dedicated to providing innovative solutions and cutting-edge technology in the finance sector. With a commitment to excellence, they are seeking a talented and experienced Mid-Level Java Engineer to join our dynamic team. … passionate about finance, technology, and thrive in a collaborative environment, we invite you to apply. Responsibilities: Design, develop, and maintain high-performance and scalable Java applications. Collaborate with cross-functional teams to understand project requirements and translate them into technical specifications. Implement best practices for software development, ensuring … contribute to a culture of continuous improvement. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field. 3+ years of professional experience in Java development. Solid understanding of Kotlin and experience in using it for building robust applications. Proficiency in the Spring framework, including Spring Boot. Hands-on More ❯

Join the Growth Story at Envitia Join Envitia, a leader in the UK's digital and software services landscape, where your work in cutting-edge technology empowers our customers to manage, share, and exploit data more effectively: Influence significant digital and data transformation projects within the UK public sector. … make a real impact, grow with a supportive team, and help shape the future of data solutions in trusted sectors. The Role The Principal Java Engineer has a critical role within the Engineering function, tasked with setting technical standards and influencing the architectural decisions that shape the company … s software solutions. This position is suited for a seasoned expert who not only technically leads projects within their domain of expertise but also supports business development efforts through pre-sales engagements. The Principal Engineer will guide the technology strategy, collaborate with cross-functional teams and ensure the More ❯

A leading company in the Renewable Energy space are on the hunt for a Full-Stack Software Engineer to join their highly skilled engineering team! They are a company who are HUGE on innovation and quality engineering and require an experienced set of hands to join their diverse … grow & excel. They heavily promote a collaborative, open & team orientated culture that promotes innovation and forward thinking! They are looking for a Full-Stack Software Engineer who comes with a engineering background using TypeScript, Vue OR React on the Frontend & Kotlin OR Java on the backend. Experience More ❯

Senior Java Developer - Java SDK, J2SE, - Hybrid 2 days a week, London This will be working for a leading travel technology company that provide the search engine function for booking services within airlines, hotels, and rail companies around the world. As the Senior Java developer, you will … you will be responsible for the development and maintenance of the applications. Your experience and knowledge must be in depth on core and technical Java programming, web architectures and databases. The depth in Java and your experience must reflect/include data structures, software design principles and … algorithms Requirements: Excellent knowledge of core Java Understanding of algorithms and data structures Strong problem-solving skills Solid knowledge of Java SDK/J2SE Degree in computer science or very similar Clean coding practices and ability to write clear technical documentation JavaScript and Node would be beneficial If More ❯

Fimador is partnering with an entrepreneurial fintech platform to identify a Java Developer . Based in the city of London, you will join a small, highly talented team working across the full development lifecycle and will have superb opportunities to progress your career as the organisation grows. They seek … a software engineer who is excited to architect, design, and implement low latency Java systems that are robust, resilient, accurate, stable, and blindingly fast. By building and maintaining this high-performance infrastructure, you will work closely with the trading team to gather requirements and develop solutions in … problems. About you: A degree in computer science or a related field A strong background in data structures, algorithms, and object-oriented programming in Java Strong understanding of low-latency and real-time system design and implementation You’ll have experience within financial services - FX or payments industry experience More ❯

Senior Java Developer 🌍 £100k–£150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer … passionate about new, advanced technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for … sustainable energy solutions, contributing to a greener future. Key Requirements ✅ Compulsory: A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer who … is able to leverage advanced technologies to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java , without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real … scalability. Drive projects that advance sustainable energy solutions, contributing to a greener future. Key Requirements ✅ 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong understanding and practical More ❯

The Team: S&P Global corporates value stream technology team consists of geographically diversified software engineers responsible to develop scalable solutions by working directly with product development team. Our team culture is oriented towards equality in the realm of software engineering irrespective of hierarchy promoting innovation. One should … intelligence and workflow capabilities. Develop design and architecture exposure and ability to ensure quality across various technology components that are developed by geographically diversified software engineer Superior knowledge of system architecture, object-oriented design, and design patterns. Proficient with software development lifecycle (SDLC) methodologies like Agile, Test … in designing, developing, testing, and successfully deploying critical and complex projects Strong Knowledge of User Interface design & development using React, HTML5, XML & CSS Strong Java skills with experience in development of concurrent and distributed systems Advanced experience with Spring-based technologies (Spring Boot etc.) Experience in designing and implementing More ❯

Role: Various Levels through to Senior Java Developer 🌍 Location: Central London (2-3 Days p/w) 💰 Salary: from £45,000 to £80,000 per annum, plus benefits and bonus 🛠 Key Skills: Java, As a Java Developer, you’ll be part of a team responsible for developing … and maintaining software applications for a platform which powers direct-connect solutions.. You’ll work in an agile environment, gaining hands-on experience with cutting-edge technologies while continuously expanding your skills. This will be working on a high traffic/transactional/complex systems. What You Bring: Experience … of Core Java 17 MongoDB JUnit RESTful services Computer Science degree or equivalent background. If you're a Java Developer looking for an opportunity to work with advanced APIs, big data, and high-performance systems in a rapidly evolving industry, we’d love to hear from you More ❯

Low Latency Engineer | Fully Remote | Crypto Trading Systems We’re working with one of the leading names in Crypto, and they’re looking for a Low Latency Engineer to join their team and build out a high-performance trading system - all while working fully remotely. Role Overview: As … a key engineer, you’ll be responsible for developing ultra-low latency, high-throughput Java applications powering next-generation crypto trading. You’ll work closely with a world-class team in a fast-paced and innovative environment. What You'll Need: ✅ 8+ years of professional experience developing high … performance Java applications ✅ Proven background in designing and building low latency trading systems ✅ Bachelor’s degree in Computer Science or a STEM-related field ✅ Experience working in financial services (hedge funds, trading firms, investment banks, or exchanges) Why Join? 🌍 Fully Remote - Work from anywhere 🌟 Work at the cutting edge More ❯

Senior Core Java Developer 🤖 - Up to £120k DOE 💰 - Hybrid (London) 🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Senior/Core Java Developer to join their apps team. This opportunity will allow you to join a company that … offerings and the team’s workflows.⚙️ Work primarily within GCP, ensuring that the architecture is optimized for multi-cloud compatibility.🔒 Key Requirements: An experienced engineer with 7-8 years of experience.🤖 Strong knowledge and hands-on experience with Core Java. You understand which networking tools are relevant to cloud … A generous annual bonus , historically reaching up to 30%. 💰 Hybrid working pattern, with two days remote a week.🏡 If you’re a Core Java Developer looking to take your career to the next level, apply today to be considered for this excellent opportunity More ❯

A B2B Fintech company looking to scale their development team after a recent round of Series A funding seek Java Developers to work on high performance, scalable applications. They are looking to grow the overall development team up to 20 as soon as possible, and seeking mid-level Engineers. … Duties will include the design and development of low latency software, contributing to the whole software development life cycle, writing clean elegant code. Skills needed: Java11+ SpringBoot Microservices Docker/Kubernetes AWS and NoSQL not essential but a nice to have It's a two stage interview process More ❯

Most Profitable Fund in London - Java/Kafka Engineers - up to £120,000 One of London's most successful funds is looking for an excellent developer who specialises in Java development as well as a background in event-driven microservices environments, utilising Spring and Kafka, in order to … well as other exceptional company benefits which include: 30 days holiday (excluding bank holidays) 10% non-contributory pension Sponsored CFA Required Skillset 3+ years Java development 3+ years Kafka experience Front Office Experience desirable If this is of interest or you know of anyone who this may suit, please More ❯

You have payments related SME knowledge in one or more of the following industries Banking, Fintech, Retail, Healthcare, Insurance You have expertise of Core Java, JEE technologies, Web technologies, JavaScript and container based technologies. Proficient in Web Services/API Development using SOAP or REST, JSON and XML. Experience … of accountability for quality and timeliness. Experience working in technology industry with experience in testing applications. Strong technical competency and experience with API testing, Java automation and end to end testing. You are an expert in proposing solutions for building world class payment solutions which includes Development, monitoring, troubleshooting More ❯