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Full time
Technology

Principal Software Engineer

RaytheonGloucester, Gloucestershire🇬🇧United KingdomPosted 13 Jul 2026

Quick Overview

Work Type
Hybrid
Schedule
Full Time
Level
Leader

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.


Skills

Docker
AWS
Mocha
Ansible
Azure
Cypress
Java
JavaScript
Jest
Kubernetes
PostgreSQL
Python
REST
React
Terraform
TypeScript

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