Senior .net Developer jobs in Marlow

C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you will get your voice heard and can make a real impact...

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.

As a Full Stack Engineer with expertise in .NET and Vue, you'll take on a hands-on role in building web applications while working vertically in both the frontend and the backend. Your responsibilities will involve designing, developing, and fine-tuning web applications, using .NET 6+, MediaTR, EF.Core and VueJS 2/3 to create engaging and user-friendly interfaces. You'll work closely with the...

🚀 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...

Department: Support Reports To: Application Software Support Manager Location: Remote Salary: £55k - £60k /yr (depending on experience) Contract Type: Permanent – Full Time Role Summary We're looking for an experienced full-stack .NET developer to join our team in a new and exciting role. This role will initially be supporting an array of clients, helping our support team to continue to...

Role: Senior Mobile Applications Developer Clearance: SC required Location: Hybrid - up to 2 days onsite in High Wycombe (as required) Working Pattern: Full-time IR35: Inside IR35 Start Date: ASAP Contract End Date: 27 February 2026 Role Overview: We are looking for an experienced Senior Mobile Applications Developer to support the ongoing development of existing mobile applications. The role...

You will be working in a fast-paced environment to develop new website themes and add new features in a complex Next. js-based codebase (including a CMS). This is a great opportunity for the right person to take on a challenging and broad role. Homeflow is operating on a fully remote basis but occasional travel will be required for our company meet ups (bi-annually at most in the UK).

Senior Business Development Manager – Fleet Mobility Solutions Provider £50,000 basic - £55,000 basic + £25,000 OTE Uncapped + EV Company Car If you’re ready to make an impact, this is the role that puts you in the driving seat. A competitive package, a premium company car, and the chance to join a private equity-backed business on a rapid growth trajectory. Expect pace, ambition, and the kind...

Senior Economic Development Officer – Sectors & Clusters Location: Hybrid – 1–2 days in the office, with regular community engagement Pay Rate: Circa £30 per hour PAYE / £38 per hour Umbrella Contract: Interim Assignment We’re looking for an experienced and enthusiastic Senior Economic Development Officer to help drive growth and innovation across key sectors in a forward-thinking local...

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...

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,...

Up to £72,000 salary, car allowance, bonus, and a clear path for progression with two of the UK’s leading names in industrial services and hazardous waste management. This senior commercial role is ideal for someone ready to drive strategic growth across key sectors, including Civils, Demolition, and Utilities, while shaping long-term partnerships. Why you’ll love this role: - Competitive...

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.

We’re Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we’re looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you’ll do - Develop and extend our React.js &...

Job Description Senior Hardware Engineer (Avionics) 6 month contract – Inside IR35 – 4 days p/week on site (Marlow) Role – We are seeking a hardware design engineer with broad experience across the field of electronics, and ideally a deep understanding of RF design, to join the avionics of our client based in Buckinghamshire. The individual will be able to work independently within their...

Job Description The Marlow Riley Park Day Nursery and Preschool Nursery Room Leader 40 hours per week Monday - Friday, All year round Salary: £28,995.20 £1,000 Joining Bonus The Marlow Riley Park is a warm and inviting nursery located in the heart of Marlow, housed within a beautifully converted Salvation Army Church. Recently refurbished, the nursery enjoys a prime location, just a...

A leading technology firm based in High Wycombe is seeking a Principal Electronics Engineer to drive the design and delivery of electronic solutions for their Materials Analysis products. The role offers the opportunity to lead projects in a hybrid working environment. Ideal candidates will possess deep electronics expertise and demonstrate the ability to solve complex problems pedagogically....

Job Description: Lead Mechanical Operator Mars Snacking | Slough 📍 Shape the Future with Mars! 🌍 This is an exciting opportunity to join the Mars Wrigley factory in Slough. We are seeking Mechanical minded individuals who hold a passion for maintenance. Whether your experience is maintenance of ships, cars, tanks, lifts, generators, or similar mechanical industries, your practical mechanical...

Job Description We are currently working exclusively with a fast growing and recognised Saas Technology business continuing to scale and are looking for a Fullstack Software Engineer their offices based in Reading A modern & forward thinking Saas player working closely alongside recognisable Enterprise brands and businesses who are fundamentally changing how employers engage with their teams...

We're Cuva Health, a UK healthcare start-up on a mission to make access to treatments simpler, safer, and more convenient. Our digital platform is built with React.js & Nuxt.js, and we're looking for a Full-Stack Developer to help us complete our initial project, deliver new features, optimise performance, and scale our platform as we grow. What you'll do - Develop and extend our React.js &...