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Remote Senior Backend Engineer - Trading Platform (Performance, Security, Reliability)

at Freedx

Posted 6 hours ago 0 applied

Description:

  • FreedX is a newly established cryptocurrency exchange focused on providing a seamless, secure, and innovative trading experience.
  • The team consists of experienced professionals from the crypto, finance, and technology sectors.
  • The company aims to empower clients to manage their digital assets confidently and efficiently.
  • The vision is to be the most trusted and reliable cryptocurrency exchange, offering unparalleled freedom and scalability to clients.
  • The role involves evolving the trading platform, focusing on core quality attributes such as high-throughput processing, low-latency response times, robust fault tolerance, and tight security controls.
  • Responsibilities include designing and developing scalable backend services for order routing, risk checks, and balance tracking, optimizing performance for low-latency API and real-time data feeds, ensuring platform resilience under load, implementing and monitoring security controls, writing unit/integration tests, and participating in incident response and postmortems.

Requirements:

  • A minimum of 5 years of backend development experience, preferably in C#.
  • Strong knowledge of concurrent systems, event-driven architecture, and messaging technologies such as Kafka or NATS.
  • Experience in designing systems with 99.95%+ uptime, ideally in financial or high-throughput environments.
  • A solid grasp of API security, data integrity, and auditability.
  • Proven skills in profiling, benchmarking, and performance tuning.
  • Nice to have: Experience with FIX, WebSocket, and REST trading APIs, familiarity with cloud-native deployments (K8s, Istio, AWS/GCP), and contributions to high-stakes production systems in fintech or crypto.

Benefits:

  • Competitive salary.
  • Flexible work schedule with remote/hybrid work opportunities.
  • Opportunities for professional development and participation in industry events.
  • FreedX is an equal opportunity employer, promoting an open and inclusive work environment that values diversity and well-being.