Senior .net Developer jobs in Surrey

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 SummaryAviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool! Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight Operations, Air Traffic Management solutions and services for airlines, airports, and Air Navigation Service Providers. We combine aircraft manufacturer expertise,...

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.

A leading healthcare organization based in the UK is seeking a senior sustainability lead to drive system-wide changes and achieve Net Zero targets. The role involves providing strategic direction, expert guidance, and program leadership while working with various stakeholders to embed sustainability into practice. Responsibilities include overseeing governance and reporting, developing business...

A leading software development company in the UK is seeking a Full Stack Developer to work on exciting web, desktop, and mobile projects. This role offers the chance to collaborate closely with architects and engineers while working remotely. Candidates should have outstanding experience in C#, ASP. NET Core, Web API, and SQL Server, with additional experience in Angular preferred. Competitive...

A leading healthcare organization in the UK is seeking a Senior Sustainability Lead to drive sustainability and Net Zero ambitions. The ideal candidate will provide expert guidance, lead a specialist team, and oversee governance while ensuring sustainability performance. This role requires a degree in a related discipline and proven leadership experience in managing complex projects. The...

You will join a collaborative and inclusive team where your ideas help drive innovation, improve efficiency, and support a culture of openness and shared purpose. By enhancing the employee experience from onboarding through development, you will help build a motivated, skilled, and engaged workforce that enables Datapharm to scale effectively and achieve its mission.

🚀 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...

Senior Software Developer (Voice / SIP Platforms) While professional experience and qualifications are key for this role, make sure to check you have the preferable soft skills before applying if required. £55,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you a seasoned developer with a passion for building robust, real-time communications platforms? xujxxms Looking for a role...

Senior / Experienced Software DeveloperLocation: Guildford (Hybrid must be UK-based and within a two-hour commute) Do you have the skills to fill this role Read the complete details below, and make your application today.Contract: Full-time, PermanentSalary: £55,000 £65,000 (depending on experience)The OpportunityAn established UK technology company is expanding its Software Development Team...

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world’s leading tech vendors with senior IT, Security, and Data decision-makers through...

I'm working with a mission-driven technology business that genuinely improves the lives of employees and end users in public-impact organisations through digital transformation. They're a well established player in the market, just had a record year in sales, and there's still so much untapped potential to unlock. That's why they're looking for an experienced Business Development Manager to...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

You must have SC Clearance (or ability to achieve it - i.

Job Description Senior Software Developer (Voice / SIP Platforms) £55,000 £65,000 DOE | Hybrid Working (1x day a month office) Are you a seasoned developer with a passion for building robust, real-time communications platforms? Looking for a role where you can work on complex, enterprise-grade systems while still being close to the technical detail? This is an opportunity to join a...

You will shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams.

You will be directly involved with developing complex software systems working with different teams on a variety of projects which help companies across the world save millions every year by controlling operations, logistics, communication and scheduling from the applications, which are customisable to ensure maximum efficiency.

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...

🚀 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...

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.