1 to 25 of 46 Java Engineer Jobs in the South East

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 … trading systems. Collaborate closely with traders and quantitative analysts to understand their requirements and translate them into robust software solutions. Architect, develop, and optimize Java-based trading applications. Provide technical leadership, mentorship, and guidance to team members. Ensure the reliability, scalability, and performance of mission-critical systems. Stay up More ❯

career growth and development opportunities in an environment that embraces your unique skills and experience. We are seeking a highly skilled and experienced Senior Java Engineer to join our agile team and work on innovative big data systems that support public sector projects. As a Senior Java Engineer, you will play a critical role in designing, developing, and delivering cutting-edge solutions that enable our clients to achieve their hybrid-cloud and AI goals. As a Senior Java Engineer, you will have the opportunity to work on a wide range of projects that 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 … 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 university 💻 Tech Stack: Java | AWS | Multithreading | Kafka | ActiveMQ | MongoDB | DevOps Tooling More ❯

Senior Java Engineer Position Description If your coding skills are backed up with a talent for solving problems, we will give you the opportunity to have real-world impact and purpose, working in one of our Central Government business units. Our Software Engineers are trusted to work closely … prepared to undergo National Security Vetting (NSV) to Security Check (SC) level as a minimum. Your future duties and responsibilities As a Senior Software Engineer, you'll join a flagship UK Government programme working on a project that helps protect UK citizens' lives. Working as part of a well … functioning team, you'll immediately add Java expertise at an important stage of the project cycle. You will be responsible for developing, maintaining, and enhancing high-quality software solutions while ensuring best practices and industry standards are met. You'll also discover: • A unique level of variety across different More ❯

Lead Java Engineer. Location: London, Fulltime Onsite Salary: £100,000-140,000 Lead Java Engineer with expertise in Core Java required to join a fast-growing company that's on its way to becoming a major player in cybersecurity. The company is expanding rapidly and building … to tackle complex challenges. Wanted are individuals who seize the opportunity to engage in research and experimentation, continuously enhancing and advancing solutions. Requirements: Core Java development That's it, we are interested in candidates from a broad background will consider any technology stack working around Java programming. You … consider yourself a true engineer You can logically think through problems rather than just the answer. You have a deep passion for Software Development. You have experience working in environments that leverage pair programming to drive research and development. The companies Technology Stack: Core Java for applications React.js. More ❯

Job Description Senior Java Engineer If your coding skills are backed up with a talent for solving problems, we will give you the opportunity to have real-world impact and purpose, working in one of our Central Government business units. Our Software Engineers are trusted to work closely … prepared to undergo National Security Vetting (NSV) to Security Check (SC) level as a minimum. Your future duties and responsibilities As a Senior Software Engineer you'll join a flagship UK Government programme working on a project that helps protect UK citizens' lives. Working as part of a well … functioning team, you'll immediately add Java expertise at an important stage of the project cycle. You'll also discover: A unique level of variety across different clients and industry sector Further interesting and challenging projects to stretch your skills Training and support specifically tailored to give you the More ❯

Senior Software Engineer - Full Stack Engineer- Java, React, SpringBoot 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 React Any NoSQL DB More ❯

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 join their … 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 and multi-threading 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 code … 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 ❯

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 clear growth … 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 ❯

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 it is behaving … 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 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'll also … 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 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'll also … 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 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 drive success … 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 … Optimise applications for high availability and scalability. Work in a highly collaborative Kanban/Scrum environment. What We’re Looking For: Strong experience with Java 11+ (ideally Java 17) and Reactive Programming (Spring Framework, AKKA). Deep understanding of asynchronous request handling and distributed systems. Experience with event 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 React Any NoSQL 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 and … 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 ❯

Type: Inside IR35 Start Date: May 2025 Duration: 6 months to 12 months (possibility of extension) Job Overview: We are seeking a highly skilled Java Engineer with strong DevOps expertise for a hybrid role that blends deep backend engineering with modern infrastructure practices. You’ll be part of … This role is ideal for someone who thrives in complex, high-scale environments and has a passion for building robust, reactive systems using modern Java frameworks. Roles and Responsibilities: Design and implement highly scalable and reactive backend systems in Java. Utilize reactive programming frameworks like Kafka Streams , Akka , Eclipse … Vert.x , or Apache Flink . Leverage Java concurrency features including multithreading and Executor Services to ensure optimal performance. Apply functional programming paradigms in Java to write clean, efficient, and maintainable code. Champion sound engineering practices including SOLID principles , unit testing , and clean code methodologies. Deploy and manage containerized More ❯

Core Java Software Engineer Do you thrive in fast-paced environments and enjoy tackling complex technical challenges? Join a growing team of experts in algorithmic trading! This company is a small team of expert traders and software engineers building the future of algorithmic trading. They seek bright, kind … s newly built applications. This role requires critical thinking about user and market interactions. What you bring: 3-5 years of experience with Core Java is required. Experience with aeron clusters. Experience with databases (e.g. SQL Server, Postgres) is a plus. The company seeks experience with cloud server providers … Someone who is comfortable working in a smaller sized/start-up style company. If you are a highly motivated and results-oriented software engineer, this company wants to hear from you! This role is ideally suited for someone who understands a start-up environment, you will wear many More ❯

Regulatory Reporting Engineer - Java Salary: Up to £130,000 + Bonus + Benefits Role Type: Permanent Position Office Location: Central London Hybrid Model: 3 days per week in office, 2 days remote About the Role: We’re looking for a Lead Reporting Engineer with a strong Java … up a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , Spring Boot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … and security teams to deliver robust, enterprise-grade solutions. Key Responsibilities Lead the design and development of reporting applications with a strong focus on Java (C#/.NET experience also valuable). Act as the technical lead for multiple Agile Scrum pods (approx. 5 people per team), providing functional 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 interested More ❯

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 … 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 delivery of scalable, efficient and innovative software products. This position is … designed for an influential engineer with an extensive technical background and a strategic mindset. As a Principal Engineer, you will lead by example, champion best practices and influence the strategic direction of the overall Engineering team. Technically you will need strong Java and Angular programming experience, be 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 Relational … 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 More ❯

Mid Core Java Developer – London - 75k 💰 - Hybrid (London) 🏡 Our client is a highly trusted player in asset management and FX trading, looking to recruit a proficient Mid-Level Java Developer to join their apps team. This opportunity will allow you to join a company that is committed to … key role in the trading team.🔒 Work primarily within GCP, ensuring that the architecture is optimized for multi-cloud compatibility.⚙️ Key Requirements: An experienced engineer with 3-5 years of experience⭐ Strong knowledge of Core Java. 🌐 Previous experience working in TDD and CI/CD environment and pair-programming. … 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 ❯

Trading System Engineer/Architect – Shape the Future of Trading Leading European Private Bank The Front Office development team are responsible for the development of cross-asset automated pricing and risk systems, primarily focused on FICC derivatives. You will work directly with global sales/trading/quant teams … be instrumental in designing and implementing new systems. As a key member of the team, you will need: 8+ years’ experience as a software engineer delivering FO pricing/trading/risk solutions Ability to work with sales/trading/quant teams on implementing pricing/risk model … requirements Ability to work with eTrading/infrastructure teams on distribution of pricing/risk model outputs 8+ years' of strong Core Java knowledge, JDK 11+ 4+ years' of strong Python knowledge and enterprise level development experience Ability to develop high performance event-driven messaging systems Experience with implementing 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 ❯