Principal Engineer – Software Engineering (Software Development)

BAE Systems

📍 Frimley, England, United-Kingdom

Full-time IT & Technology Posted March 02, 2026

Job Description

Overview

Job Title: Principal Software Engineer

Location: Frimley, Filton, or Broad Oak. We offer a range of hybrid and flexible working arrangements – please speak to your recruiter about the options for this particular role

Salary: circa £55,000

Responsibilities

  • Playing a key role in software engineering activities for the development and deployment of new products
  • Participating in code reviews and providing constructive feedback to team members
  • Developing and documenting complex software architectures and subsystems, providing evidence of fitness for purpose and customer value
  • Designing, developing, and maintaining scalable applications using .NET Core / ASP.NET Core
  • Taking accountability for technical work packages and verifying that customer needs are satisfied through qualification and test activities
  • Working within a diverse group of engineers, provid...