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# Principal Software Engineer

- **Company:** Pearson Whiffin Recruitment Ltd
- **Location:** UK
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Agile Methodology, C Sharp (Programming Language), Software as a Service, Software Quality, Continuous Integration, Database Design, Linux, DevOps, Distributed Systems, Python (Programming Language), Enterprise Messaging Systems, Microsoft SQL Server, Performance Tuning, Software Architecture, TypeScript, Working Model 2D, Software Organization, Backend, Software Version Control, Microservices
- **Published:** June 19, 2026
- **Apply:** https://www.pearsoncarter.com/job/principal-software-engineer/

## About the Role

+ Strong commercial experience with C, C#, and modern .NET technologies.
 + Proven background in software architecture, distributed systems, microservices, and cloud-based applications.
 + Experience developing and deploying solutions across Linux and Windows environments.
 + Strong MS SQL expertise, including performance optimisation and database design.
 + Experience modernising legacy applications and working within Agile development environments.
 + Familiarity with CI/CD pipelines, version control systems, and technical documentation.
 + Experience with TypeScript, Python, DevOps practices, or large-scale SaaS platforms.

## Description

Pearson Carter are currently working with an established technology organisation developing advanced software solutions used by leading businesses worldwide. They are looking to appoint a Principal Software Engineer to help drive the evolution of a sophisticated, high-performance platform into a scalable, cloud-ready architecture.
You'll play a key role in shaping technical strategy, modernising legacy systems, and mentoring engineering teams while remaining hands-on with software design and development.
If you're passionate about solving complex technical challenges and enjoy leading engineering initiatives, we'd love to hear from you., + Lead the modernisation of legacy C systems into scalable, cloud-enabled .NET services.

 + Own architecture, technical design, and delivery of high-performance software solutions.
 + Develop backend services, messaging systems, and distributed applications using modern engineering practices.
 + Drive code quality, testing, CI/CD, security, and software development best practices.
 + Mentor engineers and collaborate with cross-functional teams on technical strategy and roadmap planning.


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