Principal Software Engineer

Platform Recruitment; Cambridge; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Platform Recruitment in Cambridge (Hybrid) is seeking an experienced Principal Software Engineer. You will lead architecture, design and development of high-performance, scalable systems using C#/.NET, and mentor mid- and senior-level developers.

You will shape the long-term platform strategy, drive CI/CD best practices and contribute to a fast, Agile engineering culture. This senior role requires strong architectural skills and hands-on delivery.

Qualifications

• Strong experience designing scalable, distributed systems.
• Proven track record with C#/.NET and microservices.
• Experience with front-end technologies UI such as WPF, MVVM, MVP or MVC.

Responsibilities

• Lead architecture, design and development of high-performance, resilient and secure systems.
• Mentor and support mid and senior-level developers.
• Drive coding standards, code reviews and CI/CD best practices.
• Troubleshoot complex technical issues and optimise system performance and reliability.
• Work within an Agile/Scrum development environment alongside wider software and engineering teams.
• Shape the technical vision and long-term platform strategy.

Skills

C#/.NET

scalable distributed systems

CI/CD

Agile/Scrum

Mentoring

WPF/MVVM/MVP/MVC

Tools

WPF

MVVM

MVC

Job description

I’m working with an innovative technology business that is looking for an experienced Principal Software Engineer.

You’ll have the opportunity to influence technical strategy, solve complex engineering challenges and mentor other developers.

Location: Cambridge (Hybrid)

The role:

• Lead the architecture, design and development of high-performance, resilient and secure systems using C#/.NET.
• Develop scalable, low-latency applications handling high-volume data and real-time processing.
• Shape the technical vision and long-term platform strategy.
• Drive coding standards, code reviews and CI/CD best practices.
• Troubleshoot complex technical issues and optimise system performance and reliability.
• Mentor and support mid and senior-level developers.
• Work within an Agile/Scrum development environment alongside wider software and engineering teams.
• Strong commercial experience with C# and .NET,
• Proven experience designing and developing scalable, distributed systems and microservices.
• Experience with front-end technologies/UI such as WPF, MVVM, MVP or MVC