Lead Java Developer jobs in Windsor, Berkshire

You will work closely with traders, quants, financial engineers, and technology partners, contributing directly to the performance, resilience, and evolution of a mission-critical e-trading platform. What You’ll Be Doing - Design, build, and enhance a robust, ultra-low latency Fixed Income electronic trading platform

Lead Software Engineer (Java) – London / Hybrid Are you a Lead Backend Engineer with a strong background in Java and modern backend architecture? In this senior technical leadership role, you will set the technical vision, influence system design, and guide teams in delivering secure, scalable, and high-performing services. While remaining hands-on for key projects, you will focus on mentoring...

Java Developer | London/Hybrid | £100,000 - £140,000 | Java 21 | Microservices | TDD | AWS | PostgreSQL | Kubernetes | Fintech | Digital Banking Looking to join a company who are making waves within the fintech space? Want to work with the latest Java technology? I am supporting a rapidly growing fintech scaleup who are PE backed by the same investors who backed the likes of Coinbase and...

You will be working with the front office at all levels to ensure that the requirements, design and build are conducted accurately and efficiently. The most important responsibility, however is applying your etrading platform experience to a high quality development environment.

Back End Developer / SRE (Java JVM) London / WFH to £110k Are you a Back End Developer / SRE with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global Fintech that has been consistently voted as one of the UKs top employers. What's in it for you: - Salary to £110k + Bonus - Pension, Private Medical Care, Life Assurance - Option to...

3 days Onsite per week from London Office. Required skills and qualifications: Extensive experience in kdb+/q, including the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with...

Senior Java Swing Developer – About the Role We’re looking for a Java Swing Developer to join a team working on a high-performance desktop trading platform. Working on a mission-critical system that supports FX Cash, deposits, futures, swaps, and more. The platform is rich in functionality, handles heavy loads with low latency, and underpins key trading and sales workflows. You’ll help...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

Senior Java Engineer (Core Java) £100,000 - £130,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most sophisticated technology and financial services environments globally. This is an...

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-performance, scalable software for real-world, high-traffic systems. About the Role You’ll join a permanent feature team, taking...

Java Software Engineer A leading trading firm in London is growing its engineering team and is looking for a high-performance Java Engineer to help build ultra-low-latency systems used directly on live trading desks. What You’ll Be Doing - Designing and building low-latency Java systems used in electronic trading - Developing highly concurrent, multithreaded applications - Optimising...

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months +. Also open to contract to permanent conversions Overview: We are seeking an experienced Java Developer...

Description Join us, be part of more. We're so much more than an energy company. We're a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn't rely on fossil fuels, whilst living our powerful commitment to igniting positive change in our communities. Here, you...

Job Description: Lead Mechanical Operator Mars Snacking | Slough 📍 Shape the Future with Mars! 🌍 This is an exciting opportunity to join the Mars Wrigley factory in Slough. We are seeking Mechanical minded individuals who hold a passion for maintenance. Whether your experience is maintenance of ships, cars, tanks, lifts, generators, or similar mechanical industries, your practical mechanical...

Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing and designing software solutions, ensuring adherence to best practices and...

Java Developer Join a high-impact Core Technology team at a leading hedge fund. About the Company This firm is a major player in the space, a multi-strategy hedge fund with a strong focus on systematic and quantitative trading. Founded by industry veterans, it combines deep financial expertise with advanced software engineering to manage institutional capital globally. What You’ll Do -...

Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be...

Software Engineer | Building Intelligent Systems That Make an Impact Central London 4 or 5 days a week on site Existing SC or DV Clearance is required National Security Sector An exciting opportunity has arisen for a Software Engineer to join a cutting-edge team developing impactful, mission-driven technology. The role offers the chance to contribute to projects such as AI-powered tools for...

Java Software Engineer with around 4-6 years professional, post-graduate experience sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record. The firm are renowned for a healthy, supportive, and collegiate working environment and culture, with no siloes, boasting an industry-leading staff tenure. This hire will be part of a core Software Engineering team, responsible...

You will also collaborate with the Platform, Support and DevEx teams on the wider technical strategy, reporting to the Director of Engineering in an influential role.