Appvia

Principal Software Engineer - UK Security Clearance eligibility required.

🇬🇧 London, GB Hybrid IT Full time Lead Posted May 8, 2026
LocationLondon, GB
WorkplaceHybrid
EmploymentFull time
SeniorityLead
CategoryIT
IT CategoryBack End Engineer
LanguageEnglish
PostedMay 8, 2026
Last verifiedMay 10, 2026

Principal Software Engineer - UK Security Clearance eligibility required.

Location: London, UK (Hybrid ~1 day per week in office / onsite)
Contract: Permanent, Full-time
Package: £80,000-90,000 + 10% bonus + 10% shares options + benefits

About Appvia

At Appvia, we help organisations modernise how they build and operate software. We are a specialist platform engineering, software, and AI enablement consultancy, delivering resilient, scalable systems that help teams move faster while maintaining quality, security, and reliability.

Our work spans cloud platforms, developer experience, modern application delivery, and AI-assisted engineering practices. We partner with customers across public and private sectors to reduce technical debt, improve engineering standards, and evolve complex systems using modern software engineering approaches.

Since the start of 2026, our Software Engineering practice has grown rapidly into a dedicated team supporting large-scale modernisation programmes across public and private sectors, and we’re continuing to invest heavily in growing the capability further.

About the Role

As a Principal Software Engineer, you will play a hands-on technical leadership role across Appvia’s software engineering engagements, helping lead the design, delivery, and evolution of modern software systems.

You will work closely with delivery managers, platform engineers, and customer stakeholders to drive high-quality outcomes across complex software modernisation programmes. You'll help lead and grow the team and contribute to Appvia’s broader engineering strategy by influencing tooling, development standards, AI-assisted engineering approaches, testing practices, and architectural patterns used consistently across customer engagements.

Interview Process - 3 Stage

  1. Discovery conversation with Talent Acquisition
  2. Technical Interview with Engineering Team
  3. Final Interview with Leadership

Important

You must be eligible for UK Security Clearance (SC):

  • British Passport or ILR
  • Resided in the UK for the last 5 years
  • No criminal record or financial irregularities

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