Role
Build maintain trading backend systems f platforms, with focus on exchange API integrations basic options/derivatives support.
Responsibilities：
1. Integrate & maintain connections to maj exchange APIs (REST + WebSocket)
2. Implement reliableder execution, position tracking, basic risk controls.
3. Support options-related features (calls/puts, expiry, strikes, basic Greeks awareness).
4. Participate in the development optimization of the options-related modules within cross-exchange margin systems.
5. Handle real-time market data feedsder updates.
6. Ensure low-latency, fault-tolerant, secure trading logic.
7. Debug production issues participate in on-call rotation.
Requirements :
1. 3–5 years backend development experience (fintech/trading preferred).
2. Proficient in Python (preferred) Java, familiar with mainstream Java development frameworks, Java microservices architecture, distributed system principles, caching, messaging mechanisms, etc.
3. Hands-on experience integrating 2+ centralized exchange APIs, participated in core feature development of 1+ medium-to-large investment/trading systems
4. Basic understanding of options trading (calls/puts, premium, expiry, basic payoff).
5. Solid errhandling, rate limiting, API security practices.
