Old Mission
Quantitative proprietary trading firm specializing in global market making.
Company facts
- Founded
- 2008
- Employees
- 272
- Headquarters
- United States
- Type
- Private
- Funding
- Secondary Market · 2020
- Subsidiaries
- Old Mission Capital, Old Mission Markets, Old Mission Europe, Old Mission International, Old Mission Global Trading
C++ Software Engineer
C++ Software Engineers at Old Mission, a proprietary trading firm, build and optimize low-latency automated trading infrastructure and work directly with traders and quants on next-generation trading algorithms. Core stack: modern C++ (11–20), Linux, Python, and Bash, working on-site in New York.
Associate Head of Trader Education
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Senior Python Software Engineer
Build and optimize Python-based trading systems and mission-critical applications while collaborating with quants and traders to scale infrastructure and innovate new trading tools.
Junior Trading Operations/DevOps Engineer
Junior engineer on the trading operations team who deploys, runs, and monitors latency-sensitive proprietary trading systems, automates infrastructure in Python on Linux, and triages live incidents — a blend of SRE, DevOps, and ops work in a fast-paced trading environment.
Senior Software Engineer - Post Trade
Senior Software Engineer building reliable post-trade distributed systems at scale using Python and C++ for a proprietary trading firm.
Software Engineer – 2027 Internship Program (June Start)
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Software Engineer – 2027 Graduate Program (August Start)
Software Engineer for 2027 graduates developing and supporting C++ based trading applications and tools at a global proprietary trading firm. The role involves working on impactful solutions for market initiatives and requires knowledge of C++, Python, SQL, JavaScript, React, and systems programming.
Quantitative Trader – 2027 Graduate Program (August Start)
Junior quantitative trader on a 2027 graduate program, working in teams to find and trade mispriced securities with a focus on risk management and derivative pricing using Python or C++.
Python Software Engineer
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Operations Analyst
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Tax Manager/Senior Tax Manager
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Junior Quantitative Trader (Asian Market Hours)
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Python Software Engineer
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Quantitative Researcher (ETFs)
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Quantitative Researcher (Fixed Income)
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Quantitative Researcher (Systematic Equities)
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Quantitative Trader (Options)
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…
Systematic Equity Options Trader
Old Mission is a global proprietary trading firm that leverages state-of-the-art technology and research to identify and execute profitable trading strategies across multiple asset classes around the world. Our offices…