Senior Software Development Engineer jobs in Slough

Job Summary: The Trading and Risk Management System (TRMS) team is responsible for developing, supporting and maintaining our front and back office trading web applications using Python, the proprietary Beacon Dependency Graph and Glint, the Beacon UI framework. The successful candidate will contribute to the growth of the platform, exercising an eye for detail across all aspects of the...

Senior Software Development Engineer in Test (SDET) - Java, JBehave or Cucumber, Selenium, Microservices - Perm - 3 days a week on-site in London - Up to £75,000 per annum A rapidly growing fintech organization is transforming access to finance for small and medium-sized businesses. With over £150 million lent through its proprietary credit platform, the company is redefining how business...

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...

Job Description Your new company Join a purpose-driven organisation at the heart of a thriving community, where technology is being harnessed to transform lives. This values-led public sector organisation is embarking on a bold digital transformation journey, with a clear mission to deliver outstanding services to end-users through innovation and excellence. With a strong commitment to social...

Senior Software Developer – Python/Ruby Location: London (2/3 days per week on-site) Rate: Up to £650/day (Inside IR35 – 12-month Contract) A major UK government department is seeking an experienced Senior Software Developer to play a key role in the redevelopment of a critical national open data platform. This is a high-impact opportunity to work on services that directly improve access to...

Senior Software Developer required by a successful software company with an international client base. The Senior Software Developer will be responsible for full stack development with C# and React as part of the ongoing evolution of the company's core SaaS product as they evolve a traditional monolith architecture towards a modular monolith. Key experience - Extensive C# experience - SQL...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. Operating at massive scale across multiple regions, we’re...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

4x Software Engineer / Developer - 18 Month Fixed Term Contract 1-2 days per week in London (Stratford) office £45-60k My leading client requires 4x experienced Developers to join their Development Department working across a range of integration projects Core requirements centre around building integrations and APIs due to a wealth of 3rd party integrations in the pipeline so strong...

The Role We’re looking for a curious and ambitious engineer to join Synetec as an AI Support Engineer. This is not your typical support role. You’ll combine hands-on software engineering with cutting-edge AI tools to deliver real impact for our clients. In this role, you’ll: - Solve complex client challenges through high-quality technical support. - Work side by side with our developers to fix...

We are partnered with a leading global trading firm that has been operating for decades at the intersection of markets, technology, and innovation. With offices across North America, Europe, and Asia, they bring together world-class engineers and researchers to solve some of the most complex challenges in systematic trading. Their London-based systematic team is expanding and seeking a Trading...

A homegrown business in Scotland are looking to grow their engineering team, with a 4th member of their AI team. They have had an exciting few years, with major agreements setup with new and existing customers across Europe and North America They are looking for Senior Software Engineer, someone who has experience or a desire to work with AI. They have a team of 3 focusing on how they can...

You will be solving deep technical challenges with real-world impact. The ideal candidate should have some iOS experience—either as an iOS developer or through exposure while working as a software engineer.

We are looking to speak with Senior Software Engineers for our client, a growing SaaS company. Key Responsibilities: - Design and Architect scalable, reliable, and high-performance services and APIs. - Write clean, optimised, and maintainable code primarily in TypeScript within an AWS cloud environment. - Lead technical reviews and drive best engineering practices across the team (testing,...

Senior Software Engineer .Net 📍 Location: UK remote | We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This company is building the next generation of capabilities that power a merchant-first ecosystem. They believe that focused, empowered teams can achieve great things. You’ll be joining a curious, driven, and...

Senior .NET Engineer Are you a talented .NET Developer looking to take on a brand new challenge? Do you want to be part of a newly formed team of software engineers in a growing product-focused company, shaping the direction of their technical solutions from the ground up? My client is seeking a Senior .NET Engineer to join their innovative product team. This is a unique opportunity to work on...

You must be UK based & have full right to work in the UK. - If this role sparks an interest and you're keen to learn more, Please apply or email me on Tommy@digitalwaffle.

Senior Backend Software Engineer – Node.JS About the Opportunity An innovative, fast-growing technology company is searching for a Senior Backend Software Engineer to join its core engineering team. This organisation is building next-generation automation and intelligence solutions, and you will play a key role in developing the backend systems that power a high-impact platform used by...

Senior Software Engineer Location: Remote with Sheffield HQ visits 6 times a year Annual Salary: £60,000- £75,000 We are currently looking for Senior Software Engineers that have experience with our Backend tech stack (TypeScript, Node & AWS) Join Our Engineering Evolution at Twinkl At Twinkl, we're not just building software - we're transforming how millions of educators and learners...

Senior Software Engineer – Web3 & Digital Finance Platform Up to £85,000 + Equity Full Remote - Europe We’re representing a pioneering digital finance company operating at the intersection of FinTech and Web3. Their platform powers a new generation of yield and investment products for digital asset holders, combining financial-grade infrastructure with the flexibility and innovation of...