senior .net engineer jobs in Slough

You will join a cross-functional product engineering team working on the evolution and modernisation of a core SaaS platform. The focus is on building scalable, cloud-native services while improving reliability, performance, and long-term maintainability.

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

Job title: Senior .Net DeveloperLocation: GSK HQ (On-site 2 days per week)Contract: 12 Months Overview GSK is a science-led global healthcare company with a special purpose: to help people do more, feel better, live longer. We are on an audacious journey to impact the health of 2.5 billion people over the next decade. Our R&D division is at the forefront of this mission, dedicated to the...

Senior C# Developer / Backend Software Engineer (C# .Net) London onsite to £150k Are you an experienced backend focussed C# Developer? You could be progressing your career in a senior, hands-on role at a global Sports Trading business, earning substantial bonuses. As a Senior C# Developer within the trading engine team, you'll collaborate to design and develop real-time trading systems, you'll...

You will be involved in challenging, complex development for industry leading companies, as well as smaller start up projects Centered on a tech stack that includes C# . NET, React AWS, and event-driven microservices, this position is tailored for engineers ready to thrive in modern cloud-based ecosystems.

You will work closely with product owners, data teams, and other developers to deliver secure, scalable, and compliant solutions for investors and advisors. Key Responsibilities: - Lead the development of. NET-based backend systems for investment, portfolio, and tax-efficient schemes (EIS/SEIS).

You will coordinate both internal and external design teams to deliver buildable, compliant and cost-effective solutions aligned with client objectives and project performance targets. This role offers the opportunity to take ownership of high-value, nationally significant projects while joining a secure and growing organisation that prioritises innovation, development and sustainability.

Senior Software Engineer (.Net & Angular) - £70,000 – £85,000 pa + 25% Bonus + Benefits I am working with a leading professional services client in London that are looking for a Senior Software Engineer with full stack capabilities to join a small but talented team. The team is responsible for maintaining and developing their core platform. This is concentrated on 3 main technologies. SQL for...

You will work closely with product managers, designers, and other engineers to solve complex problems and create intuitive solutions that help simplify financial workflows for our users. You’ll have the opportunity to own critical features and contribute to the overall architecture of our platform.

Job Title - .NET Developer (Contract) Location - London (Hybrid – 2–3 days onsite) Contract Type - Contract (Outside IR35 / Inside IR35 – depending on client) Duration -12 months (likely extension) Day Rate - Competitive Role Overview We are looking for an experienced .NET Developer to join a delivery-focused engineering team working on business-critical systems in a fast-paced London-based...

Senior Software Engineer Lead complex engineering work | Azure | .NET | Distributed Systems At GTreasury, we build software that sits at the heart of the CFO’s office. Our SaaS platform handles complex financial workflows at global scale - and we’re investing heavily in the next phase of growth. We’re hiring a Senior Software Engineer who enjoys solving hard problems, influencing technical...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem, and a preference for candidates with significant experience on AWS. Are you ready for a challenge? We’re looking for a dynamic software...

🌍 Location: London (Hybrid: 4-8 days a month) 💷 Salary Range: £70,000-100,000 📈 Equity: Meaningful early-stage equity 🕒 Stage: Seed → Series A 🌐 Website: Cyb3roperationsCyb3r Operations | Supply Chain & Third Party Intelligence About Cyb3r Operations Cyb3r Operations is building a modern third-party risk intelligence platform that gives organisations real-time visibility into: -...

You will be someone that shares our values and ambitions and can bring security best practices and specific cloud security expertise to the party.

You will additionally be the kind of person that is energised by complex challenges, teamwork and problem solving. In return, we can offer a great tech culture, highly competitive compensation packages and employment benefits.

You will play a crucial role in the Design function by producing calculations, drawings and documentation used to deliver major Renewable Energy, Sustainability, Power Infrastructure and Power Generation projects involved in the transition to Net Zero.

You will be working closely with the Machine Learning team; however, you are not required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will:

You will be conducting testing pre and post change to ensure it meets the network, design and customer requirements as well as coordinating with internal and external teams. Tell me more, tell me more… Our client is currently looking for a recruit in joining their Team, please read on!

C# Developer / Backend Software Engineer C# .Net AWS (Junior - Mid) London to £80k Are you a bright, ambitious C# Developer who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable, systematic Hedge Fund that invests in sports betting markets whilst enjoying a range of perks and benefits including hybrid...

You will work closely with internal and external stakeholders to develop technically robust, buildable solutions that deliver guaranteed outcomes while managing risk in operational environments.

Software Developer / Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Software Developer you'll collaborate with a team of highly intelligent technologists and finance professionals to develop...