1 to 25 of 116 Permanent Java Software Engineer Jobs in England

Senior Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. … My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity … to work with a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Senior Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong More ❯

Senior Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Senior Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. … My client is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity … to work with a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Senior Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong More ❯

Job Title: Java Software Engineer Client: Elite Systematic Trading Firm Salary: Up to £175,000 Base (+ Bonus) Location: London/Hybrid The role: My client is looking for an experienced Java Software Engineer to join their rapidly expanding technology team. This team is responsible for building out a bespoke, greenfield data 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. Responsibilities: Build and maintain robust, scalable, and … performant backend systems using Java, ensuring the platform can handle high transaction volumes. Develop software for large scale data acquisition, storage, accessibility, and visualization. Work closely with Quants and Traders to understand their needs and build intuitive self-service tools . Build and maintain scalable microservices that handle a high number of concurrent requests while maintaining performance under More ❯

This role requires security clearance, and you will therefore require British citizenship or Dual UK nationality with British citizenship. An exciting opportunity for a Senior Java Software Engineer has arisen with a leading defence company, focusing on software development and delivery within the New Product Development team, based in Bristol. This is a great opportunity for … a Senior Java Software Engineer to lead the development and delivery of software requirements and design across the full software engineering lifecycle, working with a range of international teams and stakeholders. You will commit to an onsite working model, required onsite 5 days a week. Experience of the Senior Java Software Engineer will include: 3+ years of experience programming with Core Java, developing desktop applications Experience developing and managing software requirements throughout the full lifecycle, ensuring compliance with defined requirements Bonus: JavaFX If you are a Senior Java Software Engineer looking for an exciting new challenge with an award-winning top employer, please apply today to More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s … latest spinout company. Leveraging cutting-edge techniques with the latest technologies, they build highly scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for … this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s … latest spinout company. Leveraging cutting-edge techniques with the latest technologies, they build highly scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for … this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a More ❯

Software Engineer | Java Microservices | London (1 day per week on-site) | £63,000 – £74,000 We’re partnering with a leading UK financial services organisation to recruit a Software Engineer with strong Java and microservices experience. This is an excellent opportunity for someone looking to take on a meaningful technical challenge within a highly … reputable institution undergoing significant digital transformation. The Role As a Software Engineer, you’ll join a dedicated feature team responsible for designing, engineering and maintaining high-performance, secure and robust software solutions. You’ll work closely with engineers, architects and business analysts across the platform to deliver high-quality, customer-centric products. This position offers the chance … to expand your technical expertise while working in a collaborative, agile environment. Key Responsibilities Engineering high-quality, production-ready software that delivers real business value Contributing to the full engineering lifecycle: requirements, design, build, test, deployment and continual optimisation Working as part of a permanent feature team with end-to-end ownership of services Designing, building, testing and implementing More ❯

Software Engineer | Java Microservices | London (1 day per week on-site) | £63,000 – £74,000 We’re partnering with a leading UK financial services organisation to recruit a Software Engineer with strong Java and microservices experience. This is an excellent opportunity for someone looking to take on a meaningful technical challenge within a highly … reputable institution undergoing significant digital transformation. The Role As a Software Engineer, you’ll join a dedicated feature team responsible for designing, engineering and maintaining high-performance, secure and robust software solutions. You’ll work closely with engineers, architects and business analysts across the platform to deliver high-quality, customer-centric products. This position offers the chance … to expand your technical expertise while working in a collaborative, agile environment. Key Responsibilities Engineering high-quality, production-ready software that delivers real business value Contributing to the full engineering lifecycle: requirements, design, build, test, deployment and continual optimisation Working as part of a permanent feature team with end-to-end ownership of services Designing, building, testing and implementing More ❯

Senior Software Engineer/Developer (Java Spring Boot) London/WFH to £85k Are you a Software Engineer looking for an opportunity where you can make an impact? You could be progressing your career in a senior, hands-on role at a growing US based tech company that provide a platform for gaming and gambling … businesses to retain their customer base, as they expand their UK presence. As a Senior Software Engineer you will be instrumental in helping the company to bring all tech inhouse; you'll design and develop new features and enhancements to the core platform as well as maintaining and supporting the current systems. You'll be collaborating with the … WFH: You'll join the team in London three days a week with flexibility to work from home twice a week. About you: You're an experienced, backend focused, Software Engineer/Developer with a broad knowledge of building software products and associated architectures You have strong Java development skills including a good knowledge of Spring More ❯

Senior Software Engineer/Developer (Java Spring Boot) London/WFH to £85k Are you a Software Engineer looking for an opportunity where you can make an impact? You could be progressing your career in a senior, hands-on role at a growing US based tech company that provide a platform for gaming and gambling … businesses to retain their customer base, as they expand their UK presence. As a Senior Software Engineer you will be instrumental in helping the company to bring all tech inhouse; you'll design and develop new features and enhancements to the core platform as well as maintaining and supporting the current systems. You'll be collaborating with the … WFH: You'll join the team in London three days a week with flexibility to work from home twice a week. About you: You're an experienced, backend focused, Software Engineer/Developer with a broad knowledge of building software products and associated architectures You have strong Java development skills including a good knowledge of Spring More ❯

Software Engineer - Java Microservices Location: London (Hybrid) About the Role We're excited to be supporting our client, a leading organisation in the financial services sector, in their search for a Software Engineer (Java Microservices) to join a high-performing, collaborative engineering team. This is a fantastic opportunity for a driven and passionate developer … who enjoys working on complex, large-scale systems. You'll be designing, building, and maintaining innovative, secure, and high-performance software solutions that directly impact millions of customers. The environment is fast-paced, technically challenging, and highly rewarding - ideal for an engineer who wants to deepen their expertise in Java microservices , cloud technologies, and Agile delivery . … What You'll Be Doing Designing, developing, testing, and deploying Java-based microservices within a distributed, cloud-native environment Working as part of a dedicated feature team , collaborating closely with engineers, architects, and business analysts Producing high-quality, maintainable software that meets both functional and non-functional requirements Taking full ownership across the software development lifecycle - from More ❯

Senior Software Engineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. As a Senior Software Engineer you will join … 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 … budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Senior Software Engineer/Developer (Java AWS Spring Boot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually 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 … networks 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 More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading … and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading … and risk systems. The ideal candidate will have a strong understanding of multithreaded Java applications, coupled with an appreciation for scalability, data integrity, and system performance. Tech Stack & Skills: Strong core Java (Java 8+), with proven experience in multithreading and concurrency Solid understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high … with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯

Senior Java Software Engineer – Real-Time Payments Engineering Fintech We’re looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You’ll join the … with a strong focus on pair programming, TDD and BDD, and you’ll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we’re looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Lead Software Engineer - Java Microservices Location: London (Hybrid - 2 days on-site, Monday and Tuesday) Overview We're excited to be supporting our client in hiring a talented Software Engineer (Java Microservices) to join a dynamic, high-performing engineering team within retail banking. This is a fantastic opportunity for a technically minded individual who … s passionate about building fast, reliable, and scalable software within a complex distributed environment. You'll play a key role in designing, developing, testing, and implementing modern microservices-based applications running in the public cloud. This is a hands-on position within a feature team that works collaboratively across the full software development lifecycle. What You'll Be … Doing Designing, producing, testing, and implementing high-quality software across the system lifecycle Working within a permanent feature team focused on delivering business-critical services in a fast-paced Agile environment (two-week sprints) Collaborating with architects, principal engineers, and key stakeholders to align technical solutions with business objectives Applying Agile and Test-Driven Development (TDD) principles to build More ❯

Java Software Engineer Travel company seek Java Software Engineers to join their London-based engineering team and help them shape the next generation of digital travel solutions that connect millions of customers to unforgettable journeys. What You’ll Do: Design, develop, and maintain Java-based applications using Spring Boot Collaborate with cross-functional teams … to deliver high-quality, customer-focused solutions Participate in all stages of the software development lifecycle — from concept to deployment Write clean, efficient, and testable code while contributing to best practices and continuous improvement Work within a modern cloud environment, supporting our global platform growth What We’re Looking For: Proven experience in Java (11+) and Spring Boot More ❯

Java Software Engineer Travel company seek Java Software Engineers to join their London-based engineering team and help them shape the next generation of digital travel solutions that connect millions of customers to unforgettable journeys. What You’ll Do: Design, develop, and maintain Java-based applications using Spring Boot Collaborate with cross-functional teams … to deliver high-quality, customer-focused solutions Participate in all stages of the software development lifecycle — from concept to deployment Write clean, efficient, and testable code while contributing to best practices and continuous improvement Work within a modern cloud environment, supporting our global platform growth What We’re Looking For: Proven experience in Java (11+) and Spring Boot More ❯

Java Software Engineer Fintech seek numerous Java Software Engineers to join their growing Payments Engineering team. If you’re passionate about building scalable, low-latency systems that power seamless financial transactions across millions of users, this is your chance to make a real impact. What You’ll Do Design and build high-performance, resilient payment … real-time services at scale. Write clean, testable, and well-documented code that stands the test of time. Contribute to architecture discussions and influence key technical decisions. Tech Stack Java 17+, Spring WebFlux/Project Reactor, Kafka, PostgreSQL, Docker, Kubernetes, AWS. Exposure to distributed systems, event-driven architecture, and microservices is highly valued Working Model 1-2 days per … week in our London office, 3 days remote. May also be able to consider remote with 1-2 office visits a month. About You Strong Java engineering background (ideally 4+ years). Hands-on experience with Reactive frameworks (Spring WebFlux, Reactor, Akka, Vert.x, or similar). Comfortable working in high-availability, real-time systems. A problem-solver who enjoys More ❯

Java Software Engineer Fintech seek numerous Java Software Engineers to join their growing Payments Engineering team. If you’re passionate about building scalable, low-latency systems that power seamless financial transactions across millions of users, this is your chance to make a real impact. What You’ll Do Design and build high-performance, resilient payment … real-time services at scale. Write clean, testable, and well-documented code that stands the test of time. Contribute to architecture discussions and influence key technical decisions. Tech Stack Java 17+, Spring WebFlux/Project Reactor, Kafka, PostgreSQL, Docker, Kubernetes, AWS. Exposure to distributed systems, event-driven architecture, and microservices is highly valued Working Model 1-2 days per … week in our London office, 3 days remote. May also be able to consider remote with 1-2 office visits a month. About You Strong Java engineering background (ideally 4+ years). Hands-on experience with Reactive frameworks (Spring WebFlux, Reactor, Akka, Vert.x, or similar). Comfortable working in high-availability, real-time systems. A problem-solver who enjoys More ❯

Java Software Engineer We’re looking for a Junior Java Engineer to join our Fintech clients growing development team. This is a fantastic opportunity to work alongside experienced engineers, quants, and traders — designing and building high-performance systems that directly impact our trading strategies. What You’ll Do Develop, test, and maintain Java applications … development processes. Work closely with traders and data analysts to understand real-world requirements and translate them into elegant technical solutions. What We’re Looking For Solid understanding of Java and core computer science principles (data structures, algorithms, OOP). Strong problem-solving skills and attention to detail. Eagerness to learn about trading systems, low-latency development, and financial More ❯

Java Software Engineer We’re looking for a Junior Java Engineer to join our Fintech clients growing development team. This is a fantastic opportunity to work alongside experienced engineers, quants, and traders — designing and building high-performance systems that directly impact our trading strategies. What You’ll Do Develop, test, and maintain Java applications … development processes. Work closely with traders and data analysts to understand real-world requirements and translate them into elegant technical solutions. What We’re Looking For Solid understanding of Java and core computer science principles (data structures, algorithms, OOP). Strong problem-solving skills and attention to detail. Eagerness to learn about trading systems, low-latency development, and financial More ❯

Java Software Engineer An ambitious, fast-growing digital asset company building scalable, secure, and high-performance financial platforms are looking for Java Software Engineers to join their London-based engineering team. What You’ll Do Design, build, and maintain microservices using Java (Spring Boot) Develop and deploy cloud-native solutions on AWS Work with … blockchain specialists to deliver robust backend services Contribute to architectural decisions and help shape the technical direction of our platforms What We’re Looking For Strong commercial experience with Java and Spring Boot Event Driven/Kafka Proven experience working with AWS and containerisation tools (Kubernetes, Docker) A passion for clean, efficient, and scalable code Strong problem-solving skills More ❯

Java Software Engineer An ambitious, fast-growing digital asset company building scalable, secure, and high-performance financial platforms are looking for Java Software Engineers to join their London-based engineering team. What You’ll Do Design, build, and maintain microservices using Java (Spring Boot) Develop and deploy cloud-native solutions on AWS Work with … blockchain specialists to deliver robust backend services Contribute to architectural decisions and help shape the technical direction of our platforms What We’re Looking For Strong commercial experience with Java and Spring Boot Event Driven/Kafka Proven experience working with AWS and containerisation tools (Kubernetes, Docker) A passion for clean, efficient, and scalable code Strong problem-solving skills More ❯