Senior C++ Engineer

The Company Our client is a premier crypto proprietary trading firm and hedge fund. It combines research-driven discretionary and systematic trading strategies with strategic long-term investments, emphasising relentless iteration, strict risk management, high-frequency execution, and alpha generation. The Role Core Systems Development: Design, build, and maintain low-latency, high-performance C++ components for real-time market data processing, event handling, and order execution.Architecture & Design: Lead system architecture decisions with a focus on memory layout, concurrency models, fault tolerance/error recovery, and high-efficiency inter-process communication (IPC).API & Service Integration: Collaborate across cross-functional backend and frontend teams to define robust API contracts and clear system boundaries.Performance & Optimisation: Identify latency bottlenecks, conduct deep system profiling, and drive continuous optimization across CPU cache, memory, and networking layers.Business Collaboration: Partner closely with traders, quantitative researchers, and product managers to understand, design, and enhance mission-critical trading applications.Engineering Excellence: Drive code quality through rigorous code reviews, emphasizing correctness, low overhead, maintainability, and modern C++ best practices.Mentorship & Ownership: Mentor junior and mid-level engineers in system design patterns and low-latency C++, fostering a strong culture of technical ownership, transparency, and continuous improvement.Domain Innovation: Stay ahead of industry trends in low-latency infrastructure, hardware acceleration, and ultra-fast trading technologies. Your Profile 5+ years of professional experience in C++ system-level development (modern C++17/20 preferred).Low-Latency & High-Throughput: Proven track record architecting and deploying low-latency, high-throughput, and fault-tolerant distributed trading systems.Systems & Hardware Awareness: Deep understanding of threading models, lock-free/wait-free data structures, memory layout, cache coherence, and CPU architecture optimisations.Profiling & Debugging: Advanced proficiency with Linux profiling and debugging toolchains (e.g., perf, gdb, valgrind, Address/Thread Sanitizers).Networking Protocols: Solid working knowledge of networking stack optimization and protocols (e.g., TCP, UDP, Kernel Bypass, WebSockets).Messaging & Architecture: Practical experience with event-driven architectures, asynchronous processing, and messaging queues/brokers (e.g., ZeroMQ, Kafka, or custom IPC protocols).Technical Leadership: Experience leading architectural design sessions, writing comprehensive technical spec documents, and mentoring engineering teams.Communication: Strong interpersonal and communication skills with the ability to bridge technical requirements across trading desks, backend, and frontend teams. Apply Today To apply online (Word attachment only), please click the 'Apply' button. Please note that only short-listed candidates will be contacted. Reference Number: 67010-0013491171 By clicking 'apply', you give your express consent that Robert Half may use your personal information to process your job application and to contact you from time to time for future employment opportunities. For further information on how Robert Half processes your personal information and how to access and correct your information, please read the Robert Half privacy notice: https://www.roberthalf.com/hk/en/privacy. Please do not submit any sensitive personal data to us in your resume (such as government ID numbers, ethnicity, gender, religion, marital status or trade union membership) as we do not collect your sensitive personal data at this time.