C++ Software Developer (Execution / Market Making) - Geneva

Our client, a rapidly expanding Swiss quantitative trading firm, is strengthening its technology team after a year of exceptional performance and significant headcount growth. As a C++ Software Developer, you will join a high‑impact, execution‑focused engineering group working directly with traders and quants. The environment is fast‑paced, collaborative, and deeply technical, with a strong emphasis on performance, optimisation, and robust system design. The firm has recently hired senior talent from leading market‑making firms, and you will be working alongside experienced specialists in options and low‑latency trading.

Responsibilities

• Build and optimise low‑latency C++ execution engines, market data handlers, and exchange connectivity.
• Develop real‑time options pricing, quoting, and order handling with ultra‑low‑latency performance.
• Maintain order books, exchange state, and high‑throughput messaging across large instrument universes.
• Implement order management logic including quoting, hitting/lifting, mass cancel, feed replay, and reconciliation workflows.
• Design scalable data stores for pricing, parameters, trades, and positions, supporting clearing and margin processes.
• Collaborate closely with traders, quants, and risk teams to integrate models, execution logic, and real‑time control tools into production systems.

Required Profile

• Strong C++ expertise in performance‑critical systems
• Deep understanding of low‑latency networking, binary protocols, and optimisation techniques
• Experience building electronic trading, execution, or market‑making systems
• Direct exposure to options trading systems or options market making is highly preferred
• Ability to optimise systems for latency, throughput, and reliability at scale

Why Join

• High‑impact role with ownership over core execution systems
• Direct collaboration with trading, research, and risk
• Fast‑growing firm with strong backing and an entrepreneurial culture
• Opportunity to work on cutting‑edge low‑latency and options‑focused technology