Principal Software Engineer in London

Principal Software Engineer in London

London Full-Time 80200 - 120400 £ / year (est.) No working from home possible
Northrop Grumman Corp. (AU)

At a Glance

  • Tasks: Lead teams to design and develop critical infrastructure for innovative services.
  • Company: Join Northrop Grumman, a leader in tech with a commitment to diversity.
  • Benefits: Enjoy flexible working, private healthcare, and performance bonuses.
  • Other info: Relocation assistance available and travel is minimal.
  • Why this job: Shape solutions that make a real difference while mentoring future engineers.
  • Qualifications: Experience in backend/frontend development and strong problem-solving skills required.

The predicted salary is between 80200 - 120400 £ per year.

Citizenship and Security Requirements

UK citizenship is required. British National with the highest level of UK Government security clearance must be held.

Work Details

Relocation assistance may be available. Travel required 10% of the time.

Compensation

Opportunity

As a Principal Software Engineer, you will design, develop, and maintain critical infrastructure for our services, leading multiple teams and shaping solutions that meet customer needs.

Responsibilities

  • Take ownership of multiple teams’ deliverables and work with technical leads to define a path that meets customer requirements.
  • Represent Northrop Grumman UK as the prime technical contact for your area.
  • Collaborate with senior external partners and customers, often coordinating between organisations.
  • Mentor and guide engineers to support skills development and overall team growth.
  • Contribute to high‑quality technical design, development, and delivery planning.

Qualifications

  • Experience as a Software Engineer with strong capability in backend development (Java Spring Boot, Maven, Python) and/or frontend development (Java Script/Type Script, React, npm).
  • Proven experience designing, developing, and deploying scalable backend systems.
  • Familiarity with Dev Ops, CI/CD and containerisation technologies (Jenkins, Kubernetes, Docker, AWS).
  • Strong communication, collaboration, and problem‑solving skills, ideally within an agile environment.
  • We Encourage You To Apply

We value talent, mindset, and potential, and encourage candidates who may not meet every requirement to apply.

Benefits

  • Flexible working options, including an optional compressed fortnight.
  • Private healthcare.
  • Cash health plan.
  • Holiday buy/sell scheme.
  • Career development programmes and ongoing specialist training.
  • Performance‑based bonuses.
  • Variety of wellbeing, financial, and lifestyle benefits.
  • Diversity & Inclusion

Northrop Grumman is committed to hiring and retaining a diverse workforce and encourages individuals from all backgrounds and abilities to apply.

For more information contact .

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Northrop Grumman Corp. (AU)

Contact Details:

Northrop Grumman Corp. (AU) Recruitment Team

We think you need these skills to ace Principal Software Engineer in London

Backend Development
Java Spring Boot
Maven
Python
Frontend Development
JavaScript
TypeScript