🚀 Senior .NET → FinTech / Crypto Payments | TopSelection agency

🇷🇺 Russian Federation, remote, full-time, 3 months 💸 260–280 thousand RUB/month net 📄 Employment: only via Sole Proprietorship (IP)

What to do: → Backend on .NET 8 (Web API, async, tests) → Integration with blockchains (BTC, EVM, nodes, JSON-RPC) → Transactions, deposits, withdrawals, key security → Architecture, performance, Docker

Strict Requirements: ✅ C# / .NET 5+ years ✅ ASP.NET Core, REST, PostgreSQL / MongoDB ✅ Docker, multithreading ✅ Blockchain background (mandatory):

• addresses / keys / networks
• smart contracts (basic)
• nodes + JSON-RPC ✅ English B1 (reading/docs)

📩 Apply with the subject line .NET P.S. before sending your resume, please ensure that all requirements specified in the vacancy are reflected in your resume🙏