Senior .NET Engineer

Position:
Senior .NET Engineer (Payment Platform)

Company:
Our client is building a high-load payment platform that processes thousands of transactions around the clock.

Location:
Europe; Ukraine

Employment type:
Full time

Short Summary:
Join a team focused on building a modern payment platform with a strong emphasis on reliability, scalability, and performance. Work on complex backend problems and distributed systems using cutting-edge technologies.

Responsibilities:
- Build and evolve the core of the payment platform.
- Design new services and payment provider integrations from architecture to production.
- Improve transaction processing, routing, and webhook infrastructure.
- Participate in architectural decisions and technical discussions.
- Review code, share knowledge, and help maintain a high engineering standard.
- Work closely with the Connector team (Python / TypeScript).

Requirement:
- Strong .NET expertise with deep knowledge of C# and .NET 8/9.
- Solid experience with ASP.NET Core and asynchronous programming.
- Experience building highly concurrent applications and distributed systems.
- Hands-on production experience with Apache Kafka and PostgreSQL.
- Familiarity with Docker and container orchestration.
- FinTech experience with payment platforms and related flows.
- Engineering mindset focused on software quality and production reliability.
- Experience with AI-assisted development tools.

Benefits:
- Work on a product where engineering decisions truly matter.
- Help build the core infrastructure of a modern payment platform.
- Join a team that values clean architecture, ownership, technical excellence, and continuous improvement.