Senior Java Developer jobs in Slough

Senior Java Developer | Low Latency | London 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 and speed are critical. They are now looking for exceptional Java...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...

Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: - IT Low Latency Java Developer - 1 year contract with potential for extensions - Inside IR35 Rate £920 per day to the Umbrella Company - London Liverpool St location - Hybrid working (x3 days on site x2 days working from home pw) This is a IT Low-Latency, Java...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

Senior Java Developer - Hybrid (Outside IR35) We are looking to hire a hands-on Senior Java Developer to join our UK&I Technology team. In this role you will design, build, deploy software that is used at the forefront of the television broadcasting industry, that reaches millions of customers worldwide. As a Senior Java Developer you will: - Drive the development and maintenance of...

Job description Java Full-Stack Developer Location: London (Hybrid) Salary: £85,000 – £90,000 + benefits I’ve partnered with an exciting tech firm who are building software that transforms how stakeholders make important decisions. What started as a consultancy has evolved into a SaaS platform that helps organisations cut through hundreds of pages of board packs and focus on what matters....

Lead Java Developer This is a hybrid role requiring 1/2 days per week in their London office. This opportunity does not provide sponsorship. La Fosse are partnering with a market leading InsurTech provider who are in the market for a skilled Senior Java Developer to join the core software engineering team. This role provides a unique opportunity to lead technical initiatives, mentor team...

You will work closely with quantitative researchers, traders, and infrastructure teams to deliver software that operates at microsecond latencies, scales globally, and directly contributes to our competitive edge in the markets. Key Responsibilities - Design, develop, and maintain low-latency, high-throughput trading platforms in Java.

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 has been acquired by a leading capital market. They are looking for an experienced Java Developer...

Job Title: ICON Payment Framework (IPF) Java Developer Location: Manchester Duration: 31/12/2025 Rate: £500 per day INSIDE IR35 We are looking for a highly skilled ICON Payment Framework (IPF) Developer with strong Java expertise to join our Payments Technology team. The successful candidate will play a key role in designing, developing, and maintaining payment processing solutions using the...

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 17/21 AWS TDD CI/CD React.js/TypeScript This role is 3 days a week in the office (London) and 2 days WFH 80k + Pension 2 stage interview process

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 up of some exceptionally talented individuals who above all are passionate about using the latest...

Do you 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 a fantastic brand-new opportunity for a Java Software Developer to join a fast-growing London-based...

We’re working with a leading global investment bank expanding its Front Office FX eTrading team. This is a greenfield build of a next-generation trading platform that is performance-critical, front-office facing, and built for scale and speed. You’ll be joining a team of exceptional technologists delivering cutting-edge solutions across FX Spot, Forwards, and Pricing, with exposure to Rates and...

We have a new Contract Senior Java Developer position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: - IT Low Latency e-FX Java Developer - 1 year contract with potential for extensions -...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and...

Do you 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 our long-term partners on the hunt for numerous Mid-level Java Developers as they continue to expand various teams. They...