Principal Software Engineer

Overview

As a Principal Software Engineer at Raytheon UK, you will help design and deliver secure, mission-critical software across multiple programmes from Manchester and Gloucester. You will work in cross-functional teams applying DevSecOps practices at scale, leveraging AI/ML, cyber, and geospatial capabilities to support defence and intelligence customers. This role offers opportunities to shape technical direction, collaborate with customers and suppliers, and grow through challenging projects in a fast-paced environment.

Pay / Benefits

• Contributory pension scheme (up to 10.5% company contribution)
• Life assurance (6x salary)
• 25 days holiday + holidays, plus buy/sell up to 5 days
• Discretionary company bonus scheme
• Flexible benefits including health, dental, and Cycle to Work
• Enhanced sick pay

Responsibilities

• Design and build software using industry best practices
• Collaborate with stakeholders and engineers
• Contribute to project milestones
• Contribute to continuous improvement within the team
• Shape technical direction within the team

Key requirements

• 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 (PostgreSQL)
• Elasticsearch/OpenSearch
• Unit testing and automation
• Testing frameworks (Mocha, Jest, Cypress)
• Experience in Agile delivery
• GitLab and branching/PR processes

• Collaborates with stakeholders
• Team-oriented
• Adaptable and proactive in continuous improvement
• JavaScript (React/NextJS)
• TypeScript
• Python

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