Lead Software Engineer

Company: Oliver Bernard
Apply for the Lead Software Engineer
Location: London
Job Description:

We’re partnering with a high-growth SaaS technology business looking for a Lead .NET Software Engineer to help shape the future of a cloud-native platform used by some of the UK’s largest enterprise organisations.

This is a hands‑on technical leadership role focused on architecture, modern engineering practices, cloud‑native development, and AI‑augmented software delivery.

You’ll play a key role in scaling a next‑generation SaaS platform built on .NET 9 and Azure, helping drive the evolution from a successful legacy product into a modern, distributed cloud architecture.

What You’ll Be Doing:

  • Own and evolve technical architecture across a large-scale SaaS platform
  • Lead complex engineering initiatives, proof of concepts, and cross‑team technical delivery
  • Drive modern engineering standards across code quality, testing, observability, and operational readiness
  • Shape architectural decisions across modular monolith and distributed system patterns
  • Champion Domain‑Driven Design and event‑driven architecture approaches
  • Support the adoption of AI‑assisted development tooling and engineering workflows
  • Mentor engineers through design reviews, technical coaching, and collaborative problem solving
  • Partner closely with Product, Platform, QA, and Engineering leadership teams

Tech Environment:

  • TypeScript / SPA frameworks
  • Entity Framework Core
  • CI/CD & Infrastructure as Code
  • Application Insights & modern observability tooling

What We’re Looking For:

  • Strong experience leading engineering initiatives within complex SaaS or enterprise environments
  • Deep expertise in .NET and cloud‑native architecture
  • Experience designing scalable distributed systems and modern software platforms
  • Strong understanding of Domain‑Driven Design, event‑driven systems, and modern architectural patterns
  • Experience with Azure cloud technologies and DevOps practices
  • Exposure to AI‑assisted development tooling such as GitHub Copilot, Cursor, Claude Code or similar
  • Strong stakeholder communication and mentoring capability

What’s On Offer:

  • Hybrid working model, 4 days WFH a week
  • Opportunity to influence architecture and engineering direction at scale
  • Modern cloud‑native engineering environment
  • High‑impact role within a growing SaaS business
  • Collaborative, engineering‑led culture with strong technical investment

If you’re passionate about modern .NET engineering, scalable cloud platforms, and building high‑quality software in a collaborative environment, we’d love to hear from you.

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Posted: June 23rd, 2026