Senior Software Engineer

Company: Segment (Twilio)
Apply for the Senior Software Engineer
Location: Kingswood
Job Description:

Overview

Raytheon UK has a full‑time, permanent Senior Software Engineer position available at our Manchester or Gloucester sites. The role focuses on software development in a cross‑functional team that delivers and deploys critical systems across a variety of business areas. All candidates must be willing to attain an 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.

Desired Skills and Experience

  • Core Software Engineering
  • JavaScript frameworks (React, NextJS)
  • TypeScript
  • Python
  • Java
  • REST API development
  • OpenAPI / Swagger
  • Cloud & Infrastructure
  • Cloud services (AWS or Azure)
  • Containerisation & Orchestration (Docker, Kubernetes, OpenShift)
  • Infrastructure as Code (Terraform, Ansible)
  • Data & Search Technologies
  • Relational Databases (e.g. PostgreSQL)
  • Elasticsearch / Opensearch
  • Testing & Quality
  • Unit testing and automation
  • Testing frameworks (e.g. Mocha, Jest, Cypress)
  • Delivery & Collaboration
  • Experience working in an Agile delivery team
  • Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes.

Role Type and Site

  • Onsite – employees work primarily onsite and are responsible for commuting to the assigned site.
  • Hybrid – employees work regularly both onsite and offsite; the onsite ratio is determined in partnership with their leader.
  • Remote – employees work primarily off‑site. If you live within a reasonable commute of an RTX site, your manager will discuss any required onsite presence.

Qualifications & Experience

  • Typically requires a University Degree or equivalent with a minimum of 5 years of relevant experience, or an advanced degree with a minimum of 3 years of experience.
  • For Engineering/Technical positions, a degree in Science, Technology, Engineering or Mathematics (STEM) is preferred.

Equal Employment Opportunity

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

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Posted: July 14th, 2026