S
Schonfeld

2027 Quantitative C++ Developer Intern

Hong Kong, Hong Kong

C++

The Role

We are seeking a Quantitative C++ Developer Intern to join our team and contribute to the high-performance systems that power our trading strategies, market data processing and research infrastructure. The role will suit someone with strong competitive programming instincts, solid C++ fundamentals, and genuine curiosity about applying agentic AI tools to real-world quantitative workflows. The internship will be 3-6 months, including the summer.

What You’ll Do

  • Develop and optimize low-latency trading systems, market data engines and strategy back testing frameworks.
  • Implementing the high-performance data structures and algorithms that underpin core modules.
  • Explore and integrate agentic AI and LLM tools to support strategy research, code generation and research workflows.
  • Collaborate with quantitative researchers and traders to translate strategy logic into efficient, robust code.
  • Write clear technical documentation and help build reusable components and tooling.

What You’ll Bring

  • Pursuing a Bachelor's or Master's degree in Computer Science or a related field.
  • A strong foundation in C++ (C++17 or later), including the STL, memory management and template programming.
  • A solid grasp of data structures and algorithms and the ability to analyze time and space complexity.
  • Comfortable working in a Linux development environment.
  • Hands-on experience with agentic AI and LLM applications.

Strongly Preferred

  • Competitive programming achievements or strong contest rankings — ICPC, CCPC, Codeforces (2000+ or equivalent), USACO, NOI/NOIP or
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