Principal Back-End Developer - Manchester City Centre
Principal Back-End Developer
Up to £80,000 | Manchester City Centre | Office-first
* Senior, hands-on technical leadership role* Influence back-end architecture and platform strategy* High-scale SaaS environment with thousands of users* Clear progression
About the Client
Due to continued growth and investment in engineering capability, we're supporting a well-established UK SaaS provider as they appoint a Principal Back-End Developer. This organisation delivers a core platform used at scale and is committed to evolving its technology landscape to support long-term growth and performance.
The Benefits
* Salary up to £80,000* Office-first culture in Manchester City Centre with flexible working hours* Genuine influence over technical direction and standards* Collaborative, engineering-led environment with strong quality focus* Comprehensive benefits package including bonus scheme, training budget and wellbeing support
The Principal Back-End Developer Role
This is a senior, hands-on position combining deep technical expertise with leadership and mentorship. You will take ownership of back-end architecture and technical strategy, ensuring the platform remains scalable, resilient and aligned to wider business objectives.
Working closely with senior engineers and stakeholders across the organisation, you will define engineering standards, improve development practices and enhance tooling and observability. You will also play a key role in mentoring and supporting other engineers, helping to raise the overall technical capability of the team.
Principal Back-End Developer - Essential Skills
* Strong commercial experience with C# and .NET (6+)* Expert knowledge of SQL Server* Proven experience with Test-Driven Development (NUnit)* Experience building and maintaining RESTful and GraphQL APIs* Solid understanding of SOLID principles, OOP and modern back-end design* Confidence diagnosing and resolving complex production issues* Excellent communication skills with the ability to influence technical direction
Desirable Experience
* Entity Framework or similar ORMs* Azure and modern DevOps / CI/CD practices* Observability tools (logging, metrics, monitoring)* Strong awareness of security best practice
To Be Considered
Please either apply through this advert or email me directly via .
For further information please call me on / .
By applying for this role, you give express consent for us to process and submit (subject to required skills) your application to our client in conjunction with this vacancy only.
Key Skills
C#, .NET, SQL Server, TDD, NUnit, REST, GraphQL, Azure, CI/CD, SaaS, Software Engineering