23 of 23 Permanent Java Developer Jobs in the City of London

Senior Java Developer | Travel-tech Senior Java Developer | £300-400/day | Outside IR35 | Fully Remote within Europe A fast-growing travel-tech organisation is embarking on a major product evolution and is looking for an experienced Senior Java Developer to join their team. … engineering role working on high-traffic, consumer-facing systems used across Europe. What You’ll Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing ...

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 ...

have 3-5 years experience and are looking for your next challenge? Have you been developing with Core Java without the use of frameworks? Mid Java Developer – Leading FinTech Location – hybrid in London 3 days a week Salary – up to £90k + bonus We are working with … long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They began their journey as a market-leading FinTech disruptor and after many years at the forefront of their field, have recently been acquired by a prominent capital market. This ...

Have you got experience leading a team while remaining hands-on and technically involved? Senior Java Developer – FX Trading Salary : up to £120k + bonus Location : London office 3 days a week We are delighted to be continuing our longstanding partnership with an FX Market Disruptor FinTech that … been acquired by a leading capital market. They are looking for an experienced Java Developer who will fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java ...

Java Developer – Prop trading/Crypto firm – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* Option to work from home up to 4 days a week or fully remote. The role is junior level for someone with 1-3 years … commercial experience. Job Summary A couple of Java Developers are required for an exciting proprietary trading firm aiming to become part of one of the world’s leading Institutional Market-Makers across Cryptocurrency Exchanges. You will be joining a new crypto trading team where you will be predominantly integrating ...

have 1 - 3 years commercial experience developing software with Java? Looking to join a company when you can make a real impact? 🚀 Java Software Developer – SaaS Solutions 🚀 💲 Salary – up to £55k + bonus 📍 Location – hybrid working 2 days a week in modern London office We have … fantastic brand-new opportunity for a Java Software Developer to join a fast-growing London-based technology SME that provides digital and SaaS solutions for a number of UK companies and government functions. Their admirable dedication and customer focus has already contributed to significant annual growth and driven ...

Lead Java Developer | Low Latency Trading | London City Our client is a specialist engineering consultancy known for solving some of the most demanding performance challenges across financial markets and technology. Their teams design, build, and optimise high-throughput, low-latency systems used by global institutions where reliability … speed are critical. They are now looking for exceptional Java Engineers with proven experience in building high-performance, low-latency systems . This role involves working on complex, business-critical projects where every microsecond matters . You’ll join a highly technical team known for solving tough engineering challenges ...

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 ...

FullStack developer (Java and UI) Location: London, UK Hybrid: 3 days working from office Get The Future You Want! Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired … leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Your Role We are seeking an experienced FullStack developer to join our team at Capgemini Financial Services in London, UK. Key Responsibilities Java and Related Technologies Deep understanding of Java J2EE JDBC ...

Full Stack Developer - Java and Angular Location: London, UK (Hybrid model) FTC preferred 8+ years of exp Responsible for designing, developing, and maintaining full-stack web applications using Java (Spring Boot) for back-end and Angular/React for front-end Collaborate with cross-functional teams … deliver scalable, secure, and high-performing solutions. Develop and maintain web applications using Java/Spring Boot and Angular/React. Refer the technologies below. Design and delivery of full‐stack enterprise applications using Java, Spring Boot, Angular/React, Next.js, Typescript (Tailwind, i18n, WGAG, AA), Azure Front ...

Full Stack Developer - Java/React - London - Hybrid - Commodities Trading We’re seeking a Full Stack Software Engineer to join our Risk Technology team in London. This hybrid role offers the chance to work at the intersection of advanced engineering and global commodities trading. You should have strong … experience in API-first development, advanced Java skills, and solid proficiency in JavaScript/TypeScript with React. Exposure to Value-at-Risk models or commodities is a plus but not essential. Most important is your ability to learn quickly, solve complex challenges, and communicate effectively across teams. In this ...

looking for an experienced and proactive Java Developer to develop robust desktop applications and backend services, as well as modern web interfaces for our treasury management products. You will engage in the full software development life cycle (SDLC), collaborating with product management, quality assurance, and design teams … driving innovation in our software solutions. Key Responsibilities Design, build, test and maintain both thin and thick applications. Develop and improve wed frontends using Java and JaveScript delivering responsive, intuitive UI/UX. Model and manage data with MS SQL (Schema design, performance tuning, complex queries). ...

their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high ...

international client is looking for a Java Developer with experience working with Pega in the Banking industry to join their team for a freelance B2B contract that is 6 months with a high chance of extension. This position is hybrid, with 2 days a week on-site … London. Project details Position: Java Pega Developer Contract type: Inside IR35 Contract Length: 6 Months+ Ext Location: Hybrid in London (2 days on-site) Languages: English Skills and responsibilities Strong proficiency in Core Java Spring Boot and Microservices architecture Hands-on experience with PEGA BPM and certifications ...

Role: Front Office Java Developer Salary: Up to £130k base salary + Bonus + Package Location: London (Hybrid) Skills Required: Extensive Java experience needed (ideally with versions up to 21) This firm is an elite investment institution that uphold extremely high tech standards. They are made … limits. They’ll find the best team to suit your skillset/interests but you'll be working with the latest versions of Java, directly with traders and quants to build out high performance pricing and analytics tools from scratch. This role is greenfield and will allow ...

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 ...

Public Services. Consolidated revenues as of $13+ billion. DETAILED RESPONSIBILITIES- 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure … industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring ...

About the job RED is supporting a client with an urgent requirement for a Java & PEGA BPM Developer to join their team. Role details • Start: ASAP • Location: London • Working model: Hybrid ( 2 days on-site per week) Required • Strong experience with Java, Spring Boot & Microservices • Hands ...

support of trading, research, valuation and independent price verification. Asset class coverage includes foreign exchange, interest rate and equity derivatives. As Full-stack Java/Clojure developer working within OTC Derivatives Data you’ll be working closely with our product and data specialists across all asset classes, extending … Looking For: Basic Required Qualifications: Degree in computer science or numerate discipline, or equivalent background 3+ years of experience working on distributed Java platforms and Web Platforms Comfortable working with both UNIX/Linux and Windows environments Good understanding of agile software development methodology Thorough understanding of fundamental software ...

Java Developers - (SaaS) We are working with a leading SaaS company, who specialise in building AI Products. They are looking for a Java Developers, ideally with some React.JS to join their team Year's of experience - 1-5 years Stack; Java 17/ ...

integrate algorithmic trading models and associated controls. Skilled in producing comprehensive model documentation and working with governance and risk oversight teams. Advanced proficiency in Java, including techniques for low-latency development such as lock-free data structures and minimising garbage collection. Familiarity with messaging libraries and protocols such ...