Principal Software Engineer (IT)

Computer Futures
London

  • Principal Software Engineer - Lead the Future of UK GovTech Innovation
  • Up to £100,000 + Premium Benefits Package
  • Remote-First | Just 1 Day Onsite Every 2 Weeks
  • SC Clearable | British Citizens Only
  • Where Technology Meets Purpose
Are you ready to lead engineering efforts that directly impact national security, public services, and digital transformation across the UK? This is more than just a job-it's a chance to build technology that matters, in a space where innovation meets mission-critical delivery. We're looking for a Principal Software Engineer to join a high-performing team at the forefront of UK GovTech. You'll architect secure, scalable platforms, mentor elite engineers, and shape technical strategy across programmes that serve millions of citizens and protect national interests. ? Your Mission As a Principal Engineer, you'll be a technical leader, strategic thinker, and hands-on problem solver. You'll work closely with delivery teams, stakeholders, and government partners to ensure solutions are robust, secure, and future-proof. What You'll Be Doing:
  • Architect cloud-native platforms using modern design patterns and best practices.
  • Define and drive technical strategy across multiple Agile teams and projects.
  • ?? Mentor and coach engineers, fostering a culture of excellence and continuous improvement.
  • Engage with stakeholders to translate complex requirements into elegant, scalable solutions.
  • Deliver full-stack innovation with real-world impact-from citizen-facing services to secure backend systems.
  • ? Your Tech Toolkit
You'll be working with a modern, enterprise-grade tech stack designed for scale, resilience, and agility. Frontend: React.js (Hooks, Context API) TypeScript Redux Cypress, Jest Backend: Java 11+ Spring Boot RESTful APIs Microservices PostgreSQL Kafka Cloud & DevOps: AWS (EKS, MSK, Opensearch) CI/CD with Jenkins Monitoring with CloudWatch, Kibana ? Why You'll Love Working Here This isn't just a role-it's a career accelerator. You'll be part of a mission-driven organisation that values innovation, autonomy, and impact. Perks & Benefits:
  • Remote-First Culture - Work from anywhere in the UK, with just one day onsite every two weeks.
  • Flexible Hours - Shape your schedule with TOIL (Time Off In Lieu) options.
  • Career Development - 5 paid training days annually + access to dedicated career coaching.
  • Cutting-Edge Tech - Work with the latest in cloud, DevOps, and full-stack engineering.
  • Premium Package - Up to £100K salary + comprehensive benefits.
  • Security Clearance Requirement
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 qualify for SC Clearance. ? Lead Tech That Shapes the Nation This is your opportunity to be at the helm of transformative technology projects that serve the public good. If you're passionate about engineering excellence, strategic leadership, and making a real-world impact-this is the role for you. ? Ready to Lead the Future of UK GovTech? Apply now and become the driving force behind innovation that matters. To find out more about Computer Futures please visit 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

Posted 2025-11-15

Recommended Jobs

Secondary Teaching Assistants - Chingford

Philosophy Education
Chingford, Greater London

Secondary Teaching Assistants needed Full-time (Monday to Friday) Secondary Schools in Chingford Immediate startWe are working with a range of Secondary Schools in Chingford who are looking for confi…

View Details
Posted 2025-11-06

Financial Crime Compliance Lawyer - US Law Firm

Michael Page Legal
London

This role will provide legal, risk, and regulatory advice on financial crime across the UK and Europe. Our client is a US firm looking for a 5+PQE qualified lawyer, international experience, and stro…

View Details
Posted 2025-11-15

Commercial Litigation Lawyer

Jameson Legal.
City of London, Greater London

Our international City firm client's highly regarded Corporate and Commercial Disputes team advises on the full range of disputes, representing clients in High Court litigation, international and dom…

View Details
Posted 2025-11-15

School Business Manager - Richmond

Marchant Recruitment
Richmond, Greater London

Are you a senior School Business Manager ready to take a strategic leadership role from January 2026? We are seeking a skilled School Business Manager to join a well-resourced school in Richmond. …

View Details
Posted 2025-11-15

KS2 Class Teacher

Teach Plus
Wandsworth, Greater London

KS2 Class Teacher Start Date: January 2026 Location: Wandsworth, South West London Full/Part-time: Full-time Salary: M1 - UPS 3 (Inner London Pay Scale) About the Role / School An exciting opportuni…

View Details
Posted 2025-10-27

Nanny for school pick-ups, Job ID J1D84F

Little Ones UK Ltd
Hampstead, Greater London

A busy family in Hampstead, London seeks an After-school Nanny to help them care for their baby due soon, charming toddler and two school-aged children. They are looking for a highly experienced, kin…

View Details
Posted 2025-09-12

Business Support Officer LBS-007

Southwark Council
Southwark, Greater London

Job Category : Admin & Clerical Location : 160 Tooley Street, Southwark Council Hours Per Week : 36.00 Start Date : Immediate Start Start Time : 09:00 End Time : 17:00 Salary: £18.26 …

View Details
Posted 2025-09-10

Class 2 Driver ADR

Class 2 Driver ADR
Stratford New Town, Greater London

Are you a qualified LGV driver with ADR experience? Join our team at The Best Connection! We are seeking a professional LGV Driver/Labourer to provide efficient delivery services and act as a key in…

View Details
Posted 2025-09-10

Temporary Butler

Exclusive Household Staff
Mayfair, Greater London

Our client, with a residence in Mayfair, London, is looking for Temporary Butlers to work at a formal household.  For cultural reasons they are looking for Female Butlers only at this time. The prop…

View Details
Posted 2025-11-14