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Principal Software Engineer

Job in Manchester, Greater Manchester, M9, England, UK
Listing for: Prattwhitney
Full Time position
Listed on 2026-05-30
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer, Cloud Engineer - Software, DevOps
Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR
Job Description & How to Apply Below

Date Posted:  Country:
United Kingdom

Location:

Manchester, Lancashire Position Role Type:
Onsite

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 will be 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), Type Script, Python, Java REST API development & OpenAPI / Swagger
  • Cloud services (AWS or Azure)
  • Containerisation & Orchestration (Docker, Kubernetes, Open Shift)
  • Infrastructure as Code (Terraform, Ansible)
  • Relational Databases (e.g. Postgre

    SQL)
  • Elasticsearch / Open search
  • Unit testing / automation and use of testing frameworks (e.g. Mocha, Jest, Cypress)
Benefits & Work Culture

Benefits:

  • Contributory Pension Scheme (up to 10.5% company contribution)
  • 6 times salary ‘Life Assurance’ with pension
  • 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days
  • Company bonus scheme (discretionary)
  • Private Medical Insurance
  • Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others
  • Enhanced sick pay
  • Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave

Work Culture:

  • 37hr working week
  • Early 1.30pm finish Friday, start your weekend early!
  • Up to 5 paid days volunteering each year
  • Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) – please highlight any requests to the Talent Acquisition team.
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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