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Principal C#/.NET Consultant, Budapest

ION· Lab49 – Software Engineering
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BudapestFull-timePosted 11mo ago

About the role

Lead .NET Engineer role to drive transformative change for top-tier Financial Services clients, delivering commercial-grade C#/.NET microservices in an Agile environment.

Responsibilities

  • Build testable, robust C#/.NET microservices leveraging cloud, containerization, messaging, and other modern paradigms.
  • Take part in software and architectural design.
  • Participate within an Agile/Scrum team working from stories to build software during scrum sprints.
  • Be responsible for owning applications and provide support when required.
  • Work with clients in interactive, project-based engagements, where self-organizing and focused teams move quickly to build innovative solutions for the client.
  • Collaborate and share learnings with colleagues.
  • Deliver quality code.
  • Demonstrate experience writing commercial-grade software applications.
  • Have a deep understanding of multithreading and real-time software architectures.
  • Solve real-world business problems with technology as an enabler.
  • Maintain a positive, goal-oriented attitude.

Qualifications

  • 10+ years of solid hands-on experience with C#/.Net development
  • 10+ years of experience in SQL
  • 10+ years of experience with multi-tier architectures
  • Fluency with modern C# and its functional features
  • Strong grasp of software design and development methodologies
  • BS in Computer Science or equivalent experience
  • Modern front-end web technology experience a plus.
  • Experience with, knowledge of, and strong demonstrated interest in, global financial markets and financial products.

Skills

Required:C# / .NET developmentSQLMulti-tier architectures
Nice to have:Front-end web technologies
Last updated Oct 21, 2026. Interested? Apply on the company site.

About ION

Reinventing the way business is done through automation technology

ION financial software improves decision making, simplifies complicated processes and empowers you by providing the right tools.

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