1 to 25 of 29 Permanent Java Developer Jobs in London

Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging … best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. ...

Senior Java Developer Hybrid - 2 days onsite Our client, a leading enterprise organisation undergoing significant digital transformation, is seeking an experienced Senior Java Developer to join their high-performing engineering team. This is an excellent opportunity for a seasoned professional who thrives in complex environments … enjoys working with modern Java technologies at scale. What you’ll bring: Proven experience in software design and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring Boot , and microservices architecture Solid experience building ...

Senior Java Developer - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior Java Developer . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging … best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a Java Developer Java development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. ...

Join a leading banking firm as a Java Developer - eTrading Solutions Job Overview: Do you have a proven track record of building high-performance solutions? Are you confident at iteratively refining user requirements and removing any ambiguity? Do you want to design and build best-in-class, enterprise … scale applications using the latest technologies? We're looking for a java developer to: Develop scalable Java applications for complex business challenges Optimise and refactor existing services to improve performance and maintainability Translating business requirements into technical specifications Perform code reviews and share results with colleagues Lead ...

Java Developer Hybrid - 2 Days/Week in London (Victoria) | £60,000-£80,000 + Benefits | Permanent We're seeking a talented Java Developer with strong Spring Framework experience to join a high-performing team delivering large-scale, enterprise-grade applications. Key Focus Areas: Design, develop … maintain Java-based solutions using the Spring Framework Collaborate with cross-functional teams to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or a business-related discipline ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving … development team the ability to make & influence architectural decisions. So, if you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving … development team the ability to make & influence architectural decisions. So, if you have strong Java coding skills, at a “Senior” level & would like to mentor a handful of more junior team members, then please get in touch! Title: Java Developer. Senior Java Developer. Software Engineer. Some combination ...

Intermediate Java Developer at Global Relay, you'll be using leading edge technologies to build pioneering products that are used by tens of thousands of users globally to solve real world business problems. You also get to tackle interesting and engaging problems to do with scalability and high … availability in big data environments. At Global Relay we are continuously pushing the boundaries of Java technology. This is an opportunity to work alongside some of the best Java developers in London and apply your craft in an environment that encourages creative thinking and autonomy. Our software ...

Intermediate Java Developer at Global Relay, you'll be using leading edge technologies to build pioneering products that are used by tens of thousands of users globally to solve real world business problems. You also get to tackle interesting and engaging problems to do with scalability and high … availability in big data environments. At Global Relay we are continuously pushing the boundaries of Java technology. This is an opportunity to work alongside some of the best Java developers in London and apply your craft in an environment that encourages creative thinking and autonomy. Our software ...

Title: Senior eFX Low Latency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in low latency trading systems. This is a hands-on development role focused on building … connectivity systems for the eFX trading desk. Experience in eFX pricing is essential, including price construction and algorithmic trading. You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture ...

Title: Senior eFX Low Latency Java Developer Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert in low latency trading systems. This is a hands-on development role focused on building … systems for the eFX trading desk. Experience in eFX pricing is essential , including price construction and algorithmic trading . You'll work closely with Java and C# developers, business analysts, project managers, and QA teams to deliver high-performance solutions. A strong understanding of FX trading, low latency architecture ...

Role Lead Java Developer Fixed Income Position Contract 12 months extendable Location New York Hybrid Rates Good Day Rates Job Description: We are seeking a talented Senior hands-on Java Developer to join our core Fixed Income team in a lead role. In this role ...

Java Developer sought by UK SaaS technology company, scaling at pace & looking for a Senior Software Engineer to join small, yet experienced team to lead from the front on new feature development. Your coding will influence thousands of users across our platform & we love to innovate by giving ...

work as one to achieve our vision of being the world's most trusted, innovative, liquidity and data solutions specialist. Role Overview Senior Java Developer responsible for developing and maintaining enterprise-level java applications for electronic trading systems across multiple asset classes, with expertise in cloud infrastructure … protocol integration, and real-time message processing. Role Responsibilities Development of server-side Java design and development within banking and trading environments. Maintain code quality through comprehensive testing and code reviews L3 Support for deployment and investigation of production issues where appropriate. Follow SaFe agile methodology and participate ...

Java Full Stack Developer Permanent Croydon/Reading (Hybrid) £65,000 - £75,000 (DOE) + Benefits + Bonus Java Full stack Developer needed with AWS and ideally with (url removed) sector experience. Start ideally Dec 2025/Jan 2026. Working on a 'hybrid remote' basis from … work with a leading global IT transformation business on a large-scale IT modernisation programmes for Government clients. Key experience + tasks will include: Java Full Stack Developer with experience developing large-scale micro-services, messaging, web services + distributed systems. In-depth Java 8/ ...

Java Developer/Full Stack Software Engineer (DV Eligible) Location: London, UK (Hybrid – remote and client site as required) Employment Type: Full-time, Permanent Salary: £45,000 – £65,000 (depending on experience) About the Opportunity Sanderson Government and Defence partnering with an exciting start-up workflow … public sector and national security domains. Their mission: modernise government through event-driven architectures, secure platforms, and automation at scale. They're now hiring Java-focused Full Stack Software Engineers - from ambitious early-career developers to experienced senior engineers - to join their expanding delivery team. ...

Overview We are seeking an experienced Java Developer to join our Front Office Trading Technology team, supporting equities, securities finance, FX, or fixed income businesses. The successful candidate will contribute to the design, development, and enhancement of our Order Management System (OMS) and Delta One trading platforms, working … closely with traders, quants, and other technology teams to deliver high-performance, low-latency solutions. Key Responsibilities Design, develop, and maintain Java-based applications for front office trading systems (OMS/Delta One). Collaborate with traders and quants to deliver solutions aligned with business needs across equities, securities ...

Smartedge’s Client is looking for an individual to help with their Lead Full Stack Java Developer@Holborn, UK (Hybrid Working) Key area: We are seeking a talented and experienced Full Stack Developer to join our dynamic team. The ideal candidate should have expertise in front … provide updates on project status. Qualifications: Bachelor’s degree in computer science, Software Engineering, or a related field. Proven experience as a Full Stack Developer with a focus on React, Next.js, Spring Boot, and GraphQL. Strong proficiency in front-end and back-end technologies. Experience with Velocity scripts ...

Senior Fullstack Java Developer London (Hybrid) Salary: £85,000–£90,000 (flexible based on experience) Start Date: Ideally December, January latestI’m working with a team that’s building something genuinely useful, an intelligent writing product designed to help professionals craft better board papers and consultancy reports. … it. They’re pragmatic, collaborative, and focused on building features that matter. That’s where you come in.We’re hiring two senior fullstack Java Developers to help shape the next phase of this product. You’ll be working across the stack, Java with Spring Boot on the backend ...

Sanderson are working closely with a SME based in the London who are looking to grow their Java Developer capability. The company are looking to modernise how organisations manage and derive data. They are fast growing and looking for dynamics people to help them grow the business … capability. Skills required for the role: Strong experience in Java software engineering. Experience with Spring Boot, REST APIs, and microservice architectures Knowledge of Docker and Kubernetes for containerisation Exposure to cloud platforms such as AWS This role will require eligibility to be clearable to SC level. ...

working with a large, well-established bank undergoing a significant transformation of its core platforms, and we are seeking a Full Stack Developer—more heavily focused on backend engineering—to support this journey. This role is ideal for someone who is comfortable working with existing technologies while contributing … modernisation of critical banking systems. The position spans the full software development life cycle, with core technologies centred on Java and React, and suits a developer who values building robust, scalable solutions rather than focusing on the latest trends. The successful candidate will join a new, dynamic team ...

Graduate/Junior Developer, Python, Linux, C#, Java - London (Teck stack: Graduate/Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate/Junior Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over … customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the UK, they looking to hire Graduate/Junior Developer (Python, Linux, C#, Java)) to become a part of their ever-growing family. They believe that individual developers are in the best position ...

this across the entire software delivery lifecycle for both internal customers and end users. Your skills and experience What you'll bring: * Experience of Java * Experience of Spring framework or equivalent. * Knowledge of software design patterns and when to apply them * Excellent knowledge of development processes. * Experience of containerisation ...

Experience Required: 8+ Years Contract Type: Inside IR35 Duration: 6 months to 12 months (possibility of extension) Job Overview: We are looking for a Java Engineer to join a high-performing team building low-latency, mission-critical applications. This is a contract role offering the opportunity to work … real-time, high-throughput systems within a fast-paced and innovative trading environment. The ideal candidate will be an expert in reactive Java programming , multithreading, and clean software design, with the mindset to thrive in high-pressure, performance-driven teams. Roles and Responsibilities: Develop and maintain high-performance ...

Title: Full Stack Developer (Contract) Location: UK (Hybrid/occasional Onsite visits required) Clearance: candidates will gain BPSS prior to start. SC Clearance eligibility Duration: 6 months (extensions likely) Role OverviewWe are seeking an experienced Full Stack Developer to join a high-profile project. The successful candidate will … Driven Development (TDD).Key Responsibilities Design and develop robust, scalable services using Python as the primary backend language, while supporting existing services built in Java and .NET. Maintain and enhance legacy systems using Oracle SQL PL. Implement Test-Driven Development (TDD) practices, ensuring automated tests are written prior ...