Principal Software Engineer

Company: Raytheon Systems
Apply for the Principal Software Engineer
Location: Manchester
Job Description:

Raytheon UK have a full time, permanent opportunity for a Principal Software Engineer to join our team on our Manchester or Gloucester sites within a hybrid working pattern.

As Principal Software Engineer, you have the opportunity to focus on technical work or have a mixture of technical focus and people management focus – guiding and developing our more junior members of the team. Either way, you’ll be a part of our experienced software dev function, working in a cross-functional team, delivering and deploying critical software across a variety of business areas.

Due to the interesting work we do and the sector this team is working in, we require all candidates to hold SC and be eligible & willing to obtain eDV clearance.

Responsibilities

  • Design and build software using industry best practice
  • Collaborate with stakeholders and other engineers
  • Contribute to the completion of milestones associated with your project
  • Contribute to continuous improvement within your team
  • Collaborate with your peers on technical direction within your team

Required Skills and Experience

  • Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java
  • REST API development & OpenAPI / Swagger
  • Cloud services (AWS or Azure)
  • Containerisation & Orchestration (Docker, Kubernetes, OpenShift)
  • Infrastructure as Code (Terraform, Ansible)
  • Relational Databases (e.g. PostgreSQL)
  • Elasticsearch / Opensearch
  • Unit testing / automation and use of testing frameworks (e.g. Mocha, Jest, Cypress)

We appreciate you may not be an expert in every area above – we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application.

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Posted: March 20th, 2026