Lead Software Engineer

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

Lead . Net software Engineer – Python, .NET, C#, Backend, Integrations & AI-Driven Development

London Hybrid 1 day per week office

We’re looking for an exceptional Lead Engineer to join a forward-thinking technology team and play a pivotal role in shaping the future of enterprise systems, integrations, and software delivery.

This is a hands-on leadership role where you’ll combine deep technical expertise with architectural ownership, helping to build scalable platforms, modern integrations, and high-quality engineering practices. You’ll remain close to the code whilst influencing technical direction across the business.

What You’ll Be Doing

  • Leading the design and development of backend services and integration platforms
  • Owning architecture across Microsoft Dynamics 365, internal systems, and third-party SaaS applications
  • Writing production-grade code and setting engineering standards
  • Mentoring and supporting engineers across Python and .NET ecosystems
  • Driving best practice across code quality, testing, CI/CD and technical delivery
  • Working closely with Product, QA and business stakeholders to translate requirements into scalable solutions
  • Championing the practical and responsible use of AI development tools to improve engineering velocity and quality
  • Making key architectural decisions that support business growth and operational excellence
  • Proven experience in a Lead Engineer, Principal Engineer or Senior Engineering role
  • Deep hands-on expertise in Python and/or .NET
  • Strong background in backend engineering, APIs, integrations and event-driven architectures
  • Experience designing and building solutions across ERP platforms, ideally Dynamics 365
  • Strong SQL and data modelling expertise
  • Cloud experience across AWS and/or Azure
  • Practical DevOps knowledge including CI/CD and Infrastructure as Code
  • Ability to balance short-term delivery with long-term architectural strategy
  • Experience using modern AI coding tools to enhance software development

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Posted: September 13th, 2026