TL;DR

Senior Platform Engineer (Azure/.NET): Shaping the application platform that underpins the product. Focus on reliability, scalability, security, and developer experience. Strengthening shared platform components and libraries in a mature codebase, balancing pragmatic improvements with long-term architectural evolution in close collaboration with product engineers.

Location: Hybrid in Cracow

Company

Medius is a global leader in cloud-based spend management solutions, simplifying accounts payable and spend management processes using AI.

What you will do

  • Implement solutions for cross-cutting concerns such as reliability, scalability, security, developer experience, and customer experience.
  • Strengthen shared platform components and libraries in a mature codebase.
  • Improve testing practices and quality assurance across the platform.
  • Modernize deployment practices and infrastructure as the platform migrates from Service Fabric to AKS.
  • Raise engineering quality through pair programming, thoughtful code reviews, and clear technical communication.
  • Collaborate closely with engineers across the team to promote best practices, knowledge sharing, and consistent architectural patterns.

Requirements

  • Experience as a senior engineer working in cloud‑native Azure and .NET environments.
  • Proven track record of improving engineering effectiveness in areas such as throughput, stability, observability, and developer experience.
  • Strong proficiency in C#, .NET, and Azure services.
  • Ability to analyse systemic problems and design robust abstractions rather than localized fixes.
  • Strong collaborative mindset, with experience in pair programming, mentoring, and driving technical alignment.
  • Excellent communication skills and fluency in English for effective cross‑team collaboration.

Culture & Benefits

  • Diverse, global community where curiosity is celebrated, ideas matter, and innovation never stops.
  • Committed to fair and equitable compensation practices.
  • Equal opportunity employer.
  • Benefits may include medical, dental, and vision coverage, paid time off, and retirement benefits, subject to eligibility requirements.