.net application developer jobs in Windsor, Berkshire

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...

Full-Time Mobile App Developer (.NET MAUI preferred) iOS & Android — Remote (South Asia) Location: Remote (India / Pakistan) Type: Full-time Tech focus: .NET MAUI (preferred) / Cross-platform Mobile ⚠️ Important upfront note This role requires strong mobile UI execution and design sensibility. To proceed, you must be able to share links to live apps on the Apple App Store (and/or Google...

C#.NET Developer – Financial Systems Developer Ref: YC46978 A leading Japanese IT company with a central London office is seeking a C#.NET Developer for its Financial Systems Team. They welcome candidates with knowledge of banking, securities, or insurance operations, and experience developing with C#.NET. Ideal candidates have led enhancements, maintenance, or improvements of existing systems....

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...

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...

Bonhill Partners are supporting a leading asset management firm in hiring a Lead Application Developer. The chosen individual will support and guide the team, manage objectives and assist with career planning, as well as remaining hands on with programming when required. The firm is early in it's transformation program and will require the selected individual to assist with upgrading their...

MOBILE DEVELOPER (Contract – 6 Months) 📍 Remote / Hybrid Propellerfish builds tech that helps the world’s most admired companies understand people — at scale, and in depth. Our platform enables clients like Meta, PepsiCo, PayPal, Mondelez, Logitech, and Bumble to gather rich human insight through video, audio, writing, photography, and structured tasks, all distilled with AI and expert...

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 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.

Role Description Are you passionate about Quality Management, compliance, and helping organizations improve how they work? We are seeking a full-time remote eQMS Pre-Sales & Application Specialist. The role involves conducting virtual product demonstrations, providing technical quality expertise during the pre-sales process, supporting sales teams by showcasing the platform’s features,...

Applications Engineer – imaging devices This is primarily a hardware-based role, but working closely with other disciplines, most software engineering. The Applications Engineer will acquire and apply deep knowledge of ISDI’s image sensor semiconductors and X-ray imaging systems, and will play an essential part in all parts of the product creation process, from initial requirements to final...

You will join a highly skilled engineering team working at the forefront of GPU development. In this role, you will take ownership of sophisticated hardware designs, contribute to architectural decisions, and help drive technical excellence across projects.

You will provide mission-critical support for low-latency trading systems, automate infrastructure and application processes, and collaborate directly with trading, development, and infrastructure teams.

You will operate in a high-performance environment that values precision, initiative, and continuous innovation.

For our UK&I Sales Organization, we are looking for a Business Development Manager- Fire Systems.The UK&I Sales Organization works in conjunction with the product Business Units to sell products & services to a wide variety of customers. xujxxms Eaton has rapidly evolved into an intelligent power management company as our part to Energy Transition and Net Zero gathers pace. Submit your CV and...

Python developer with 4 or 5 years of experience. Permanent, 3 days in office in London, salary is up to £100k + bonus + benefits Responsibilities and experience: 1. Build programming skills in Python, .NET and JavaScript/Typescript, keeping pace with company business requirements. 2. Building and maintaining client facing applications, working with stakeholders to ensure the key deliverables...

About Unilink Unilink Software is a fast-growing international company and a leading provider of innovative, award-winning software solutions for the criminal justice sector. We specialise in empowering governments and private organisations worldwide to enhance security, streamline operations, and deliver more effective, humane rehabilitation of individuals in their care. Our mission is to...

You will develop and support SMBC BI business applications using C# and MS . NET Framework, working across SQL Server and Oracle databases. This role involves both new development and maintenance of existing applications, ensuring stability and compliance with change management procedures.

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...

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...