Quantitative C++ Developer Intern
Posted 29 Sep 2026
Advertised as “2027 Quantitative C++ Developer Intern”
BranchFactor Summary
The original posting with the fluff stripped out
- Management level
- Individual contributor
- Contract
- Internship
No salary listed for this role.
Field of studyComputer Science (or related)
Study levelBachelor's or higher
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
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Develop and optimize low-latency trading systems, market data engines and strategy back testing frameworks.
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Implementing the high-performance data structures and algorithms that underpin core modules.
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Explore and integrate agentic AI and LLM tools to support strategy research, code generation and research workflows.
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Collaborate with quantitative researchers and traders to translate strategy logic into efficient, robust code.
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Write clear technical documentation and help build reusable components and tooling.
What You’ll Bring
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Pursuing a Bachelor's or Master's degree in Computer Science or a related field.
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A strong foundation in C++ (C++17 or later), including the STL, memory management and template programming.
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A solid grasp of data structures and algorithms and the ability to analyze time and space complexity.
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Comfortable working in a Linux development environment.
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Hands-on experience with agentic AI and LLM applications.
Strongly Preferred
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Competitive programming achievements or strong contest rankings — ICPC, CCPC, Codeforces (2000+ or equivalent), USACO, NOI/NOIP or similar.
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Prior experience on quantitative projects such as strategy backtesting, high-frequency trading systems or market data engines.
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Familiarity with multithreading and concurrency, lock-free data structures, or network programming (TCP/UDP, multicast market data).
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Proficiency in Python for rapid prototyping, data analysis and integration with C++ modules.
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A record of open-source contribution.
What We Offer