176 to 200 of 442 Java Engineer Jobs in London

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯

About the Role As a Java Senior Software Engineer working on our backend team, you will be contributing to our Kotlin and Java backend applications and systems development on our suite of IT Software products. Working in a team where Product, Engineering and QA join to build … mission critical software systems that support our worldwide operations. We hire the best software engineers with experience in our stack: NinjaOne is built on Java , Kotlin , C++ , and Postgres , supporting millions of user endpoints and running as a scalable cloud service in AWS . Location- London, United Kingdom or … in Technical or Engineering field of study or equivalent work experience Knowledge of functional and object-oriented programming design concepts 7+ years of professional Java software development in highly scalable systems and applications Experience working with Kotlin 5+ years of REST service development using Spring framework Working experience with More ❯

Java Fullstack Developer Hybrid Remote Working Up to £55k DOE Digital Consultancy Client Are you ready to take your Full stack Development career to the next level? A leading and rapidly growing digital consultancy is seeking passionate Java Full Stack Developers to join their dynamic team. This is … at a pivotal moment, as the company embarks on a number of long-term projects with high-profile clients across multiple industries. As a Java Full stack Developer, you’ll be at the forefront of ground breaking projects that will allow you to sharpen your skills, explore new technologies … career horizons, this is the ideal environment to grow and thrive. What You’ll Bring: Eligibility for security clearance is essential Proven experience in Java Development, particularly with Spring Boot Proficiency in JavaScript/TypeScript (with React being a plus) Hands-on experience with GIT and CI/CD More ❯

JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management Software London (Hybrid – 2 days in office/week) Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a … lean, high-performance engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We’re looking for a Java Developer who’s ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role Overview This is … and stakeholders to enhance a cutting-edge platform used by institutional clients. Key Responsibilities Design, build, and maintain high-performance backend services using Core Java Collaborate closely with a compact, highly capable development team Optimize software performance and troubleshoot production issues across the stack Follow clean coding standards and More ❯

JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management Software London (Hybrid – 2 days in office/week) Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a … lean, high-performance engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We’re looking for a Java Developer who’s ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role Overview This is … and stakeholders to enhance a cutting-edge platform used by institutional clients. Key Responsibilities Design, build, and maintain high-performance backend services using Core Java Collaborate closely with a compact, highly capable development team Optimize software performance and troubleshoot production issues across the stack Follow clean coding standards and More ❯

JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management Software London (Hybrid – 2 days in office/week) Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a … lean, high-performance engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We’re looking for a Java Developer who’s ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role Overview This is … and stakeholders to enhance a cutting-edge platform used by institutional clients. Key Responsibilities Design, build, and maintain high-performance backend services using Core Java Collaborate closely with a compact, highly capable development team Optimize software performance and troubleshoot production issues across the stack Follow clean coding standards and More ❯

JAVA DEVELOPER – FINTECH STARTUP High-Growth Fintech – Asset Management Software London (Hybrid – 2 days in office/week) Quant Capital is urgently looking for a Core Java Developer to join a innovative FinTech business developing next-generation asset management platforms for professional investors. The firm operates as a … lean, high-performance engineering team focused on solving complex industry problems through clean, scalable code and modern infrastructure. We’re looking for a Java Developer who’s ready to work across the stack and get deeply involved in architectural design, backend performance, and infrastructure scaling. Role Overview This is … and stakeholders to enhance a cutting-edge platform used by institutional clients. Key Responsibilities Design, build, and maintain high-performance backend services using Core Java Collaborate closely with a compact, highly capable development team Optimize software performance and troubleshoot production issues across the stack Follow clean coding standards and More ❯

Yes col-narrow-right Job Views: 4 Posted: 26.04.2025 Expiry Date: 10.06.2025 col-wide Job Description: 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 … 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 ❯

Provider of FX Trading Solutions seeks a Senior/Lead Java Engineer to work on low latency, high performance, real-time applications. You will have the opportunity to build high-speed, data-intensive applications that scale elastically to meet tough performance requirements. You will work within a pod … If you have any Lead experience, this would be beneficial. The role will be 3 days a week onsite in London. Skills needed: Core Java and happy to work with minimal use of Frameworks Multithreading Messaging Low Latency The position can pay up to £130k base + bonus and More ❯

Java Developer Join our dynamic team at mthree working with a major investment bank, where we are committed to delivering innovative risk management solutions. We are seeking a talented Java Developer with expertise in multithreading and concurrency to help us build robust, high-performance applications that drive Equity … Trading strategies. Key Responsibilities: Design, develop, and maintain Java 17 applications with a focus on multithreading and concurrency. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality … code reviews and contribute to team knowledge sharing. Requirements: Bachelor’s degree in Computer Science, Engineering, or a related field. Proven experience as a Java Developer (v11+), with an understanding of multithreading and concurrency. Solid knowledge of object-oriented programming and design patterns. Good grasp of relational and NoSQL More ❯

Java Developer Join our dynamic team at mthree working with a major investment bank, where we are committed to delivering innovative risk management solutions. We are seeking a talented Java Developer with expertise in multithreading and concurrency to help us build robust, high-performance applications that drive Equity … Trading strategies. Key Responsibilities: Design, develop, and maintain Java 17 applications with a focus on multithreading and concurrency. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality … code reviews and contribute to team knowledge sharing. Requirements: Bachelor’s degree in Computer Science, Engineering, or a related field. Proven experience as a Java Developer (v11+), with an understanding of multithreading and concurrency. Solid knowledge of object-oriented programming and design patterns. Good grasp of relational and NoSQL More ❯

Java Developer Join our dynamic team at mthree working with a major investment bank, where we are committed to delivering innovative risk management solutions. We are seeking a talented Java Developer with expertise in multithreading and concurrency to help us build robust, high-performance applications that drive Equity … Trading strategies. Key Responsibilities: Design, develop, and maintain Java 17 applications with a focus on multithreading and concurrency. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality … code reviews and contribute to team knowledge sharing. Requirements: Bachelor’s degree in Computer Science, Engineering, or a related field. Proven experience as a Java Developer (v11+), with an understanding of multithreading and concurrency. Solid knowledge of object-oriented programming and design patterns. Good grasp of relational and NoSQL More ❯

Java Developer Join our dynamic team at mthree working with a major investment bank, where we are committed to delivering innovative risk management solutions. We are seeking a talented Java Developer with expertise in multithreading and concurrency to help us build robust, high-performance applications that drive Equity … Trading strategies. Key Responsibilities: Design, develop, and maintain Java 17 applications with a focus on multithreading and concurrency. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Help maintain code quality … code reviews and contribute to team knowledge sharing. Requirements: Bachelor’s degree in Computer Science, Engineering, or a related field. Proven experience as a Java Developer (v11+), with an understanding of multithreading and concurrency. Solid knowledge of object-oriented programming and design patterns. Good grasp of relational and NoSQL More ❯

Senior Java Developers - Java/Vert.x/Webflux We are looking for 2 x Java Developers with strong Vert.x/Webflux to work on a multi-year project. Stack - Java, AWS, TDD, Vert.x/Webflux. 2 days a week in London 6 month rolling contract More ❯

Senior Java Developers - Java/Vert.x/Webflux We are looking for 2 x Java Developers with strong Vert.x/Webflux to work on a multi-year project. Stack - Java, AWS, TDD, Vert.x/Webflux. 2 days a week in London 6 month rolling contract More ❯

Social network you want to login/join with: Java Software Engineer – Remote Scotland We’re working with a leading-edge tech team developing next-generation software. This is your chance to join as a Java Software Engineer, taking ownership of key features in brand-new … and updates Driving clean, maintainable code that follows best practices Engaging with product teams, providing input into architecture and improvements What you’ll bring: Java experience in a professional setting Strong debugging, problem-solving and software engineering skills Experience across the full software lifecycle A collaborative mindset with great More ❯

Java Developer Join a fast-paced, high-performance FX trading firm in the heart of London. Specialising in delivering low-latency, high-throughput trading solutions to institutional clients across global currency markets. With a tech-first culture and a flat structure, engineers are empowered to innovate and take ownership … of mission-critical systems. We are looking for a talented Java Developer with strong multithreading and concurrency experience to join our Core Engineering team. You will work closely with quants, traders, and other developers to build and maintain ultra-low-latency trading applications and real-time market data systems. … Key Responsibilities: Design and develop high-performance Java applications for FX pricing, trading, and risk. Optimise and maintain multithreaded systems to support low-latency execution. Work with large-scale, high-throughput messaging systems (e.g., FIX, Kafka). Collaborate with cross-functional teams to deliver robust, scalable software solutions. Continuously More ❯

Java Developer Join a fast-paced, high-performance FX trading firm in the heart of London. Specialising in delivering low-latency, high-throughput trading solutions to institutional clients across global currency markets. With a tech-first culture and a flat structure, engineers are empowered to innovate and take ownership … of mission-critical systems. We are looking for a talented Java Developer with strong multithreading and concurrency experience to join our Core Engineering team. You will work closely with quants, traders, and other developers to build and maintain ultra-low-latency trading applications and real-time market data systems. … Key Responsibilities: Design and develop high-performance Java applications for FX pricing, trading, and risk. Optimise and maintain multithreaded systems to support low-latency execution. Work with large-scale, high-throughput messaging systems (e.g., FIX, Kafka). Collaborate with cross-functional teams to deliver robust, scalable software solutions. Continuously More ❯

on this job and more exclusive features. Direct message the job poster from eMFusion Global Senior Delivery Consultant at eMFusion Global Job Opportunity: Freelance Java Developer (Outside IR35) £450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough We’re looking for an experienced Freelance Java … UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith. This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team. What You'll Bring Strong Java development experience (Spring Boot, Microservices) Proficiency with AWS … services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience with AWS Glue or large-scale More ❯

Role : Senior Java Software Engineer Location : London, 2 days per week on site required Duration : 6-month contract with a possibility to turn into a perm opportunity Salary : £(Apply online only)k + 5% bonus Join a high-impact engineering team building innovative solutions that shape the future … of compliance and risk technology for global merchants. We're looking for a Senior Software Engineer with a strong technical foundation, a passion for problem-solving, and a drive to build reliable, scalable systems. What You'll Be Doing: As a Senior Engineer on our Compliance, CDD, and … technical documentation and propose improvements to streamline development and deployment Participate in system architecture design, performance monitoring, and continuous improvement What You Bring: Strong Java/J2EE development experience with a solid understanding of backend architecture Proficiency with Oracle (DML, DDL), JBoss, XML, CSS Expertise in building and consuming More ❯

Server-Side Engineer - Pre-Trade Risk Technology (Java) Join to apply for the Server-Side Engineer - Pre-Trade Risk Technology (Java) role at Millennium Server-Side Engineer - Pre-Trade Risk Technology (Java) Join to apply for the Server-Side Engineer - Pre-Trade Risk … Technology (Java) role at Millennium Get AI-powered advice on this job and more exclusive features. We are looking for a Server-Side Engineer to join the Pre-Trade Risk Technology team. The team manages a latency sensitive, distributed system that has a unique challenge of being able … Take ownership of your code: from implementation and test automation to deployment and operational support (3rd level only) Qualifications/Skills 6+ years strong Java server-side development experience on Unix/Linux Experience interacting with business stakeholders Experience navigating complex interpersonal situations to achieve goals Experience designing and More ❯

your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from CipherTek Recruitment Job Title: Java Developer (Electronic Trading Platform - FIC) Location: London Day Rate: Up to £850 per day Flexible Hybrid working: 1-2 days a week in London … City offices Duration: 12 months + Overview: We are seeking an experienced Java Developer to join a high-profile investment banking client in London on a contract basis. The successful candidate will work on an Electronic Trading Platform for the FIC business . This is an exciting opportunity to … for real-time decision-making. Integrate with Instrumentation Platforms : Connect with Prometheus and Geneos for monitoring, diagnostics, and system health checks. Desired technical Skills: Java Expertise: Extensive experience with Core Java , focusing on performance tuning, multithreading , and garbage collection optimization . FIC or similar business knowledge: Strong understanding More ❯

Kingdom – but how we do things here is a little different. We're building the bank of the future. As a Senior Lead Software Engineer at JPMorgan Chase within the International Consumer Bank (Chase UK), you will be responsible for creating and delivering innovative, cutting-edge solutions through cloud … end-to-end solutions using cloud microservices architecture, leveraging the latest technologies and industry best practices. Design, estimate costs, and implement technical solutions in Java/Kotlin. Write unit, component, integration, end-to-end, and performance tests. Support products throughout their lifecycle, including production and incident management. Required Qualifications … Capabilities, and Skills: Formal training or certification in Java programming, with proficient advanced experience. Recent hands-on experience as a back-end software engineer in an agile, customer-facing environment. Experience with Java 8+ and modern frameworks like Spring Boot. Understanding of RESTful APIs, web technologies, relational More ❯