backend java developer jobs in Slough

You will be joining the small but scaling backend engineering team, you'll play a key role in building the services that power the payments platform.

You will be working with the lastest cloud natve technologies in a cross functional team and delivering real value to customers.

You will be responsible for building scalable, high-performance Back End systems that power their banking platform.

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Lead Backend Developer Location: London - 1x a month Salary: Up to £120,000 (D.O.E) + benefits Fruition Group are partnering with a high-growth Insurtech unicorn that's scaling its engineering function. This is a unique chance to work across both proven, revenue-generating products and greenfield initiatives that are reshaping the future of insurance. It's an ideal role for a driven Lead...

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....

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...

Java Developer – Product Engineering £60,000 – £90,000 | Remote-first (monthly meet-up in Midlands office) We’re working with a fast-growing software company that’s transforming how businesses manage complex financial workflows. Their AI-first platform helps customers simplify operations, increase transparency, and make smarter decisions — and they’re scaling quickly as demand grows. They’re...

Since 1989, CMC Markets has been at the forefront of online financial trading, providing award-winning platforms that allow clients to trade over 10,000 financial instruments across shares, indices, FX, commodities, and more. We’re listed on the London Stock Exchange and operate in 13 countries — and our success is powered by exceptional people. We’re now looking for a talented team-oriented...

Backend Developer This role is Hybrid, 3-4 days p/w in London, Camden. This opportunity does not offer sponsorship. La Fosse are partnering with an exciting Ai Scale-Up, who are looking to extend their software development team. The successful candidate will be joining one of the core product development teams to help enhance their products and services. As a Backend Developer, you will be...

Job Title: BackEnd Technical Support Developer Location: London, UK Work Pattern: Hybrid – 3 days onsite, 2 working from home Salary: up to £50,000 per annum + on call bonus Job Position: Permanent Additional Info: This position does require you to be on call every 5th week (extra pay on top of your salary) We are looking for a dedicated BackEnd Technical Support Developer to help handle...

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

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.

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...

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...

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...

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 -...

2* Senior Backend / Full Stack Ruby Developer – Profitable SaaS Scale-Up | Up to £85k + Excellent Benefits | Hybrid (London) I am working with a long term client of Opus, who is a profitable, investment-backed SaaS company with serious growth plans! We’re hiring Backend-focused Ruby Developers or Full Stack Ruby Developers with modern JavaScript experience (React, Vue, etc.) to join their tech...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for...

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...