Principal Engineer

Company: Vertus Partners
Apply for the Principal Engineer
Location: London
Job Description:

We are currently recruiting for a Principal Engineer to join a market-leading FinTech organisation building highly scalable analytics and optimisation platforms used by some of the world’s largest financial institutions.

About the Role

This is a senior technical leadership role focused on shaping platform architecture, driving engineering standards, and guiding the evolution of a complex cloud-native product. We are looking for an experienced Principal Engineer who enjoys influencing technical direction, solving complex engineering challenges, and working closely with both technical and business stakeholders.

Responsibilities

  • Own and govern architecture across multiple engineering teams
  • Define technical standards and review solution designs
  • Drive architectural consistency across a large-scale platform
  • Guide teams through complex design decisions and critical implementations
  • Influence technical strategy and long-term platform evolution
  • Work closely with senior stakeholders across technology and the business
  • Identify and address technical debt, platform risk, and cross-team dependencies
  • Ensure scalability, resilience, security, and performance are embedded into solutions from the outset
  • Mentor senior engineers and technical leads
  • Contribute to architectural governance and engineering best practice

Qualifications

  • Proven experience as a Principal Engineer, Lead Architect, Technical Architect, or similar senior technical leadership role
  • Strong experience designing and governing architecture across distributed, cloud-based platforms
  • Demonstrable track record influencing technical strategy across multiple engineering teams
  • Strong understanding of modern software architecture, scalability, resilience, and platform design
  • Experience working within complex data-intensive or analytical technology environments
  • Excellent stakeholder management and communication skills
  • Strong cloud experience (AWS or equivalent)
  • Hands-on software engineering background with modern development practices

Required Skills

  • Experience with Python-based platforms
  • Experience with React, TypeScript and Redux
  • Experience with end-to-end systems
  • Exposure to containerisation and cloud-native technologies
  • Experience working within financial services, fintech, trading technology, analytics, or other highly regulated environments

Preferred Skills

  • University degree in a STEM subject from a reputable institution

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Posted: June 11th, 2026