Full Stack Engineer

Full Stack Engineer

Guildford, England, United Kingdom

Software Engineer (Full Stack) | Guildford | £45,000–£55,000 + bonus

We’re working with an established and growing SaaS business that is continuing to invest in its core engineering teams and technology platform. They’re looking to add a Full Stack Software Engineer to a product-focused team working on scalable, business‑critical software used at scale across the UK.

This is a hands‑on role suited to someone who enjoys clean code, collaborative development, and contributing across the full software development lifecycle.

As a Software Engineer, you’ll contribute to the design, development, and ongoing improvement of a mature SaaS platform, working closely with product, QA, and other engineers.

• Writing clean, efficient, and maintainable code across the full SDLC
• Developing both backend and frontend features using C#/.NET technologies
• Working with modern frontend frameworks (Blazor or similar)
• Collaborating with Product and stakeholders to refine requirements, estimates, and delivery plans
• Writing unit and behaviour‑driven tests to ensure code quality and reliability
• Participating in Agile ceremonies including sprint planning, reviews, and retrospectives
• Contributing to technical discussions, design decisions, and documentation
• Supporting the development of APIs, inter‑service communication, and database integrations
• Continuously improving development practices, coding standards, and team ways of working

This role would suit someone with solid full‑stack experience who enjoys working in a collaborative, Agile environment.

• Commercial experience developing in C#/.NET within an Agile team
• Strong experience with .NET Core, SQL databases, and full‑stack development
• A good understanding of clean code principles and test‑driven or behaviour‑driven development
• Experience working with both frontend and backend technologies
• Strong organisational skills and the ability to manage your own workload
• Good communication skills and a collaborative, detail‑oriented approach
• Exposure to cloud platforms, ideally Azure
• Experience with authentication/authorisation patterns (OAuth2, OIDC, identity solutions)
• Experience working with SaaS or multi‑tenant platforms
• Familiarity with CI/CD pipelines and modern Dev Ops practices

• Salary of £45,000–£55,000 DOE, plus performance‑based bonus
• 25 days holiday (increasing with service) plus benefits
• Pension scheme and additional employee perks

This is a strong opportunity to join a growing SaaS organisation where you’ll work on well‑engineered systems, collaborate with experienced engineers, and continue developing your skills across the full stack in a supportive environment.

Mid‑Senior level

Full‑time

Information Technology

Software Development