Principal Software Engineer

£60,000 - £95,000 Annual
Permanent
Not Specified
I.T. & Communications Jobs
London, United Kingdom
Job Description

Principal Software Engineer - Lead the Future of UK GovTech

Up to £95,000 + Elite Benefits
Remote First (Just 1 Day Onsite Every Fortnight)
SC Clearable - British Citizens Only

Ready to lead innovation that matters?
Join a mission-driven tech Powerhouse where your code helps protect national interests, drive digital transformation, and shape the future of government technology.

We're looking for a Principal Software Engineer to architect cloud-native solutions, mentor brilliant engineers, and lead delivery across high-impact government programmes. This is your chance to combine deep technical expertise with strategic leadership in a collaborative, forward-thinking environment. You will need experience in Java, React.js and AWS to be successful in this position.

What You'll Be Doing

  • Architect scalable, secure systems using modern cloud-native patterns
  • Lead technical decision-making and Agile delivery
  • Mentor engineers and collaborate with stakeholders
  • Drive innovation across full-stack solutions

Your Toolkit

Frontend:

  • React.js (Hooks, Context API, Lifecycle)
  • TypeScript & ES6+
  • Redux, Cypress, Jest

Backend:

  • Java 11+, Spring Boot
  • RESTful APIs, Microservices
  • PostgreSQL, Kafka

Cloud & DevOps:

  • AWS (EKS, MSK, Opensearch)
  • CI/CD with Jenkins
  • Monitoring: CloudWatch, Kibana

Why You'll Love Working Here

  • Remote-First Culture: Work from anywhere, with minimal onsite time
  • Flexible Hours: Structure your week your way, with TOIL options
  • Growth-Focused: 5 paid training days per year + career coaching
  • Tech-Forward: Work with cutting-edge tools across cloud, DevOps, and full-stack
  • Supportive Team: Join a close-knit, collaborative engineering culture
  • Rewarding Package: Up to £95k + generous benefits

Eligibility

Due to the nature of the work, applicants must be British Citizens and have lived in the UK continuously for the past 5 years to be eligible for SC Clearance.

Make Your Mark

This isn't just another engineering job - it's a chance to lead, innovate, and make a real impact on national-scale systems.

Apply now and be part of something extraordinary.

To find out more about Computer Futures please visit our website

Computer Futures, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales