Principal Software Engineer

Overview

In this role you will design and deliver critical software within a cross-functional cyber-focused team, applying industry best practices to support national security workloads. You will collaborate with stakeholders and peers to progress milestones and drive continuous improvement in a mature agile environment. You will work across diverse domains, shaping software direction and deploying solutions in cloud and on-premises platforms. This is a high-impact role at a leading defence technology company offering growth via training and development.

Pay / Benefits

• Competitive salary
• Contributory Pension Scheme
• Life Assurance
• 25 days holiday
• Company bonus scheme
• Flexible Benefits scheme

Responsibilities

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

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 (e.g. PostgreSQL)
• Elasticsearch / Opensearch
• Unit testing and automation
• Testing frameworks (Mocha, Jest, Cypress)
• Experience in an Agile delivery team
• Use of code repositories (e.g. GitLab); familiarity with branching strategies, PRs and merge processes
• Collaborative mindset
• Effective communication with stakeholders
• Cross-functional teamwork
• React
• NextJS
• TypeScript

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