Lead .NET Software Engineer @

3 days ago

Budapest, Budapest, Czech Republic Barion Payment Zrt. Full time
  • 5+ years of professional backend development experience in .NET / C#.
  • Previous team leadership or mentoring experience.
  • Strong knowledge of MSSQL and database optimization.
  • Experience with software architecture, clean code principles, and microservices.
  • Familiarity with OIDC/OAuth2 (basic knowledge required, experience is a plus).
  • Understanding of message-based systems (e.g. queues, event-driven design).
  • Good communication skills in English and Hungarian.
  • A team player who enjoys mentoring and leading by example.

About Us:

Barion is on a mission to become the most fascinating fintech company in Europe. We provide digital payment solutions and a licensed e-money wallet to thousands of merchants and half a million+ customers. Now, we're looking for a Lead .NET Engineer to join our growing development team.

Why this role matters:

As a Lead .NET Engineer, you'll play a key role in shaping the future of our core customer systems — from registration and onboarding to authentication and KYC. You'll be both a hands-on senior developer and a technical leader, guiding modernization, mentoring teammates, and ensuring we deliver high-quality, scalable, and secure solutions.

What we offer:

  • Competitive Salary: Attractive compensation packages for employees
  • Private Health Care: Comprehensive health coverage for your well-being
  • Dynamic Work Environment: Join a friendly, and agile community
  • Flexible working hours
  • A warm and welcoming team that values humor, creativity, and the occasional meme
  • Modern Office Location: Our office is situated in the Budapest Science Park, offering a great work atmosphere
,[Rewriting our customer registration, onboarding, KYC and authentication flows., Moving business logic from a monolith to microservices., Designing and implementing backend services in .NET and C#., Working with OIDC/OAuth2 for authentication and identity., Collaborating with frontend engineers building new UIs in React., Using message-based communication between services., Mentoring developers, reviewing code, and contributing to architectural decisions.] Requirements: ASP.NET, .NET, .NET Framework, MSSQL, C#, Microservice architecture, Distributed computing, Messaging, CI/CD, JavaScript Tools: Azure Devops, Sonar, GIT, Agile, Scrum. Additionally: Private Health Care, Cafeteria, Flexible working hours, Training budget, Small teams, Flat structure, Free coffee, Shower, Modern office, No dress code, Canteen, Bike parking.

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