Principal Software Engineer (C#)

Manchester, England, United Kingdom

3/20/2025

Job Description

Are you passionate about solving complex engineering challenges? Do you love understanding systems at a deep technical level? If so, this is your opportunity to lead and shape the technical direction of Sage for Accountants, working across multiple engineering squads as a Principal Software Engineer.

This is a hybrid role – three days per week in our Manchester or Newcastle office.

Why Join Us?

•  Work with a modern tech stack, including C#,.NET, AWS, REST APIs, and more.
•  Drive technical innovation and scalability in a collaborative, engineering-led environment.
  
  
  
  
  
  

Responsibilities

What You’ll Be Doing

•  Architecting and evolving Sage for Accountants, optimizing performance, infrastructure, and scalability.
•  Providing hands-on technical leadership across engineering and QA teams.
•  Designing and implementing enterprise solutions with best practices in microservices, event sourcing, and domain-driven design.
•  Championing CI/CD pipelines, automation, and an API-first approach.
•  Driving a culture of continuous learning and technical excellence.
  
  
  
  
  
  

What You Bring

•  Proficiency in C#.NET, AWS / Azure, and modern backend development.
•  Expertise in enterprise architecture and software design patterns.
•  Hands-on experience with Agile, SCRUM, or Extreme Programming.
•  Strong problem-solving skills and ability to adapt to new technologies.
•  Proven experience delivering high-performance, scalable systems.
•  Hands-on experience with TDD/BDD, CI/CD pipelines (Docker, TeamCity, GitHub), and open-source technologies.
•  Deep understanding of microservices, event-driven architectures, and cloud-native development.
  
  
  
  
  
  

Join us in building the future of Sage for Accountants. If you thrive in a fast-paced, problem-solving environment, we’d love to hear from you!