Principal Backend Developer

  • The Portfolio Group
  • City, Manchester
  • 17/02/2026
Full time Information Technology Telecommunications

Job Description

Principal Backend Developer (.NET) Manchester (Onsite) Up to 75,000

We're looking for a Principal Backend Developer to join our Manchester-based team. This is a senior technical leadership role for an experienced .NET engineer who can drive backend architecture, scalability, and best practices.

Tech Stack

  • .NET / .NET Core
  • C#
  • Web APIs
  • SQL Server
  • Azure (preferred)

The Role

  • Lead backend architecture and technical direction
  • Design and build scalable, high-performance APIs
  • Champion clean code, testing, and engineering standards
  • Mentor and support developers within the team
  • Collaborate closely with product and frontend teams

What We're Looking For

  • Strong commercial experience with .NET / C#
  • Proven experience in a senior or principal-level role
  • Deep understanding of API design and backend architecture
  • Experience mentoring and influencing technical decisions
  • Strong communication and leadership skills

50249NB

INDMANS

Portfolio Payroll Ltd is acting as an Employment Agency in relation to this vacancy.