22 of 22 Permanent Senior Java Engineer Jobs in London

Senior Java Engineer/Developer (AI) London/WFH to £110k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Senior Java Engineer role … budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Your role: As a Senior Java Engineer you'll join an experienced team working on AI innovation within the business. Your primary focus will be on using ...

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative … bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We're looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech ...

Senior Java Engineer London Salary: £70,000 - 80,000 Bonus: TBC This is a hybrid role that requires 3 days a week office attendance About the Company An exciting opportunity has arisen for a Senior Java Engineer to be part of a highly innovative … bespoke best-of-breed banking technology, a single platform delivering loan issue, card issue and recovery. We're looking for an exceptional Senior Java Engineer who will work closely with the Java Team Lead & CTO as we scale up and modernise our business processes and tech ...

Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team … role in developing, maintaining, and enhancing high-performance, scalable financial applications. This is a fantastic opportunity for an ambitious developer with experience in Java and a passion for the financial sector. The role follows a hybrid working model, with 2-3 days per week in the office. Key Responsibilities ...

Senior Java Engineer/Developer (AI) London/WFH to £110k Are you a technologist with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Senior Java Engineer role ...

Title: Mid-Senior Java Engineer Location: London (Hybrid - 2-3 days in-office) Salary: Up to £85,000 per annum + Benefits Sector: Financial Services About the Role: We are seeking a Senior-Level Java Engineer to join a dynamic financial technology team ...

Senior Java Developer – London (Hybrid: 2 Days Onsite) We're partnering with a leading global organisation that is scaling its engineering function and looking for a Senior Java Developer to join their London team. If you're passionate about building data-driven platforms, enjoy solving complex … want to work with modern cloud-native technologies, this is the role for you. What You'll Be Doing Designing, developing, and maintaining scalable Java applications using strong OOP principles. Playing an active role in requirements gathering and design workshops, contributing ideas and identifying gaps. Mentoring and pairing with ...

Currently hiring a Senior Java Engineer to join a fixed income trading team - a high-performing group responsible for building and maintaining global trading systems used daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps … exotic portfolios, with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior developers and promote technical excellence within the team Analyse and resolve performance ...

Currently hiring a Senior Java Engineer to join a fixed income trading team - a high-performing group responsible for building and maintaining global trading systems used daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps … exotic portfolios, with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior developers and promote technical excellence within the team Analyse and resolve performance ...

Senior Software Engineer (Java) – Portfolio Optimization | Fintech | London/Hybrid About My Client My client is a high-growth fintech company transforming the way capital markets operate. Their mission is to make global financial systems safer , more efficient , and more open , using advanced technology and deep domain … develop intelligent solutions that optimise portfolios, reduce risk, and unlock access to more diversified capital. About the Role My client is seeking a Senior Software Engineer to join their Portfolio Optimization team — a core group responsible for building the technology that drives their balance-sheet and exposure-management ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We're partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … such as e-commerce search functionality, streaming platform logins, or other large-scale consumer-facing systems. What We're Looking For Proven experience developing Java microservices for high-traffic applications (retail, e-commerce, media, or streaming platforms). Hands-on experience with the full software lifecycle in agile environments ...

Senior Backend Engineer II (Java) Location: London (Hybrid - 2 days in the London Office) Reports to: Engineering Manager The Role We are on a mission to make home moving easier and simpler. Home movers across the UK spend more than a billion minutes on Rightmove each month … autonomous, cross-functional teams. Each team owns part of the Rightmove experience and includes product, design, engineering, and testing specialists. As a Software Engineer II, you will help shape solutions end to end, mentor others, and contribute to the technical direction of your team. To find out more about ...

Senior Backend Engineer II (Java) Location: London (Hybrid - 2 days in the London Office) Reports to: Engineering Manager The Role We are on a mission to make home moving easier and simpler. Home movers across the UK spend more than a billion minutes on Rightmove each month … autonomous, cross-functional teams. Each team owns part of the Rightmove experience and includes product, design, engineering, and testing specialists. As a Software Engineer II, you will help shape solutions end to end, mentor others, and contribute to the technical direction of your team. To find out more about ...

Senior Developer – London 2 days a week/3 days remote | Software Engineering A growing tech organisation is looking for a Senior Developer to join its Software Engineering team in London. This is a great opportunity for a hands-on technologist who enjoys solving complex problems, working … Software Engineering Manager Mentor junior developers and support technical troubleshooting Contribute to technical documentation and best-practice guidelines Requirements Experience Strong track record in Java-based software design and development Previous experience in senior or technical leadership roles Background in high-transaction or large-scale enterprise systems (telecoms ...

days onsite per week) Contract Length: 6 Months Day Rate: £400–£450 per day (Inside IR35) About the Role We are seeking a Senior Java Developer to join a dynamic engineering team delivering high-impact digital transformation solutions for a major UK retailer. You will work with modern … microservices, event-driven systems, and cloud-based architectures to build scalable, secure, and high-performing applications. Key Responsibilities Develop and maintain backend services using Java , Spring Boot , and Spring Security Design and implement microservices and event-driven architectures using Kafka Build and maintain CI/CD pipelines (GitHub Actions ...

work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. Java Full Stack Engineer - Consultant/Senior Consultant Salary: £45,000-£70,748 Base locations: London, Manchester or Glasgow (Hybrid … working) Organisation : Global IT Consultancy Are you a passionate Java Full Stack Engineer looking to build modern, impactful digital solutions across a range of transformation programmes? This is an opportunity to join a dynamic, fast-growing engineering community where you'll work with cutting-edge technologies and deliver ...

hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant … shaping architecture decisions and solving complex technical challenges that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory ...

hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant … shaping architecture decisions and solving complex technical challenges that require first principles thinking. What You'll Be Working On Designing and optimising high-performance Java services with lock-free, zero-allocation and low-GC approaches. Hardware-aware optimisation including CPU architecture, cache behaviour, kernel tuning, core pinning and memory ...

hiring an experienced Senior Software Engineer with deep expertise in ultra-low-latency, high-throughput Java systems . This is a role for someone who builds systems that push performance boundaries, not just enterprise-grade services. You'll join a specialist engineering group designing fault-tolerant ...

opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within Investment Banking, you play a crucial role in an agile team dedicated to enhancing, building, and delivering trusted, market-leading technology … leading-edge technologies Adds to team culture of diversity, opportunity, inclusion, and respect Required Qualifications, Capabilities, And Skills Formal training or certification on Java concepts and proficient advanced experience Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced in Java or more programming ...

work on a wide variety of projects and gain exposure to technologies including Java, Kotlin, NodeJS, Spring Boot, RESTful microservices, React, NoSQL databases and cloud platforms. Java Full Stack Engineer - Consultant/Senior Consultant Salary: £45,000-£70,748 Base locations: London, Manchester or Glasgow (Hybrid … working) Organisation : Global IT Consultancy Are you a passionate Java Full Sta click apply for full job details ...

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community ...