Senior .NET Backend Developer (Crypto)

TL;DR

Senior .NET Backend Developer (Crypto): Designing and developing backend services and microservices for a cryptocurrency exchange platform with an accent on high-frequency trading, secure transaction processing, and real-time data flow. Focus on architecting scalable solutions for order matching, wallet management, payment gateways, and ensuring low-latency performance.

Company

Newly established cryptocurrency exchange dedicated to providing seamless, secure, and innovative trading experience.

What you will do

• Lead design and development of backend services using .NET (C#) for trading, transactions, and account management in high-availability environment.
• Architect scalable solutions for core exchange functions like order matching, wallet management, and payment gateways.
• Build and maintain RESTful APIs and WebSocket services for frontend and third-party integrations.
• Implement security best practices and ensure compliance with industry standards.
• Manage SQL/NoSQL databases (PostgreSQL, MongoDB) for data integrity and performance.
• Develop tests, mentor juniors, and collaborate on system improvements.

Requirements

• 5+ years in backend development with .NET Core and C#; strong microservices and cloud (AWS, Azure).
• Proficient in SQL/NoSQL databases, data modeling, query optimization.
• Extensive experience with secure RESTful APIs and WebSocket services.
• Basic understanding of blockchain, cryptocurrencies, and trading ecosystem.
• Knowledge of security practices and compliance in financial/crypto sectors.
• Strong problem-solving, agile mindset, and cross-functional collaboration skills.

Nice to have

• Experience with high-frequency trading or real-time financial systems.
• Familiarity with Kafka/RabbitMQ message brokers.
• Previous fintech or crypto environment experience.
• CI/CD pipelines and DevOps practices.

Culture & Benefits

• Competitive salary with flexible payment in traditional currency or cryptocurrency.
• Generous paid leave and professional development opportunities including industry events.
• High-impact environment with close collaboration with founders and cross-functional teams.
• Open and inclusive work environment embracing diversity.