Fullstack Web Application Developer (C# / ASP.NET)

TL;DR

Fullstack Web Application Developer (C# / ASP.NET / JavaScript): Developing and maintaining web application components for client-facing and internal systems with an accent on clean, reliable code and secure development. Focus on implementing features across the full software lifecycle and solving technical challenges within an ISO 27001 environment.

Location: Hybrid in Cambridge, UK

Company

A long-established UK software provider specialising in secure web-based applications and client portals.

What you will do

• Develop and maintain web application components for client and internal systems based on technical specifications.
• Translate requirements into working code under the guidance of senior developers.
• Write clean, maintainable, and well-documented code.
• Participate in peer code reviews and collaborative development practices.
• Follow SDLC processes aligned with ISO 27001 information security standards.
• Provide first-line technical support to clients and assist in deployment and post-release activities.

Requirements

• Degree in Computer Science, Software Engineering, or equivalent practical experience.
• 1-2 years’ experience in a similar development role.
• Proficiency in C#, ASP.NET, SQL, and modern JavaScript frameworks.
• Experience with Git and version control workflows.
• Strong analytical and problem-solving abilities.
• Must be based in the UK and able to work in a hybrid setup in Cambridge.

Nice to have

• Exposure to or interest in LLM tooling.

Culture & Benefits

• 25 days annual leave plus bank holidays.
• Pension contribution and private healthcare.
• On-site parking and breakout areas with recreational facilities.
• Open, collaborative office environment with a healthy focus on work-life balance.