Technical lead

OneBullEx is a next-generation cryptocurrency derivatives exchange built on speed, reliability, and innovation. Our platform offers advanced trading features, including a 300-spartan AI-powered intelligent trading bot, providing professional traders and institutional clients with highly accurate automated trading strategies. By leveraging cutting-edge AI and machine learning technologies, we deliver a real-time, high-performance trading experience that remains stable even during periods of high market volatility. Our platform combines a user-centric interactive design with a robust and transparent risk management system, helping global traders confidently manage every trade in the ever-changing digital asset market. Job Responsibilities 1. Report to the CTO and assist the CTO in driving the technical planning, system architecture implementation, and engineering team management of the company's centralized exchange (CEX) platform. 2. Responsible for the R&D management and delivery of the CEX platform's core systems, including but not limited to the trading system, matching engine, market data system, wallet system, risk control system, clearing and settlement system, user account system, and back-end management system. 3. Based on the technology strategy and business development direction formulated by the CTO, break down the technology roadmap, develop project plans, and promote the engineering team to deliver on time and with high quality. 4. Responsible for the daily management of the engineering team, including task allocation, technical review, code quality management, progress tracking, problem coordination, and team capacity building. 5. Work closely with product, operations, risk control, compliance, security, customer service, and business teams to translate business needs into clear and actionable technical solutions. 6. Participate in the design of the exchange's system architecture and core technology decisions, focusing on ensuring the system's high concurrency, low latency, high availability, high security, and scalability. 7. Establish and continuously optimize the R&D process, including requirements review, technical solution review, development specifications, testing process, online release, monitoring and alarm, fault response and review mechanism. 8. Responsible for the stability and performance optimization of the core system, and assisting in handling major technical issues, including transaction delays, system bottlenecks, asset security, data consistency, deposit and withdrawal anomalies, and online failures. 9. Drive the team to continuously optimize and accumulate technology in areas such as trading systems, contract business, wallet security, risk control strategies, and back-end systems. 10. Assist the CTO in building the technical team, including talent recruitment, talent pipeline development, performance feedback, and improving team collaboration efficiency. Require: 1. Bachelor's degree or above, with preference given to candidates majoring in computer science, software engineering, information technology or related fields. 2. Over 8 years of software development experience, over 3 years of engineering team management experience, with relevant experience in large-scale internet, fintech, exchange, or high-concurrency systems. 3. Must have experience working on a centralized exchange (CEX), be familiar with the exchange's core business processes and system architecture, including spot trading, contract trading, matching engine, wallet, risk control, clearing and settlement, market data push, and back-end systems. **Technically, must have in-depth knowledge of spot and contract engines, be able to optimize contract engines to achieve stable operation at 30k+ TPS, and handle concurrent, low-latency, massive data processing.** 4. Familiar with high-concurrency, low-latency, and high-availability system architecture design, and possess experience in large-scale distributed system design, performance optimization, and stability assurance. 5. Familiar with at least one mainstream backend development language such as Java, Go, Python, or C++, and possess strong system design and code review skills. 6. Familiar with MySQL, PostgreSQL, Redis, Kafka, MongoDB, Elasticsearch, Kubernetes, Docker, cloud services, and microservice architecture. 7. Gain a deep understanding of the key technical aspects of the trading system, including order lifecycle, matching logic, fund freezing and unfreezing, position management, liquidation logic, funding rates, risk limits, and data consistency. 8. Possess strong security awareness and be familiar with wallet security, access control, private key management, deposit and withdrawal processes, anti-fraud mechanisms, risk control strategies, and system security protection. 9. Possesses mature team management and project implementation capabilities, and is able to coordinate resources from multiple parties and drive the implementation of complex projects in a rapidly changing business environment. 10. Possesses strong problem analysis, risk assessment, and emergency response capabilities, and is able to quickly locate and resolve problems under high-pressure environments. 11. Able to maintain efficient collaboration with the CTO, understand the technology strategy, and lead the team to complete the specific implementation. 12. You need to be very familiar with the upstream and downstream businesses of the engine, such as wallets, settlement, and commission rebate systems. 13. For AI, there should be direct case studies demonstrating team collaboration processes or tools.