Old Mission is a global market maker specializing in valuing securities and derivatives at high speeds. Leveraging an advanced platform, they collaborate with leading exchanges, brokers, and institutional investors to facilitate efficient risk transfer across diverse assets worldwide. Their focus on automated trading, arbitrage, and software development sets them apart as a trusted partner in the dynamic financial markets.
Open Positions
General Submission
Quantitative finance skills required. Must be collaborative, continuously learning, and results-oriented with strong communication skills
Junior Quantitative Researcher (Ph.D.)
Ph.D. in quantitative discipline. Proficiency in derivatives and volatility modeling. Strong communication & organizational skills. Prior programming experience (Python & C++) a plus
Front End Software Engineer
5+ years front end JS experience. Global trading firm background. Strong communication skills
Equity ETF Trader (London)
Bachelor's/advanced degree in a quantitative field. 2+ years trading experience, proficiency in Python, C++, Java, VBA, Matlab, or Ruby. Strong problem-solving skills and ethical conduct
College Graduates - Full-Time - Fundamental Research Analyst (2026)
Quantitative degree or advanced degree is needed. Strong analytical and communication skills are also essential for researching international markets and identifying trading opportunities. Programming experience is a plus
College Graduates (2026) - Full-Time - Floor Trader (CBOE)
Bachelor's degree required. Quick decision-making and strong communication skills are key. Attention to detail and a competitive spirit are also beneficial
C++ Software Engineer
BS/BA degree in CS/Engineering or related. 5+ years C++ experience (3+ with C++11). Knowledge of Linux, Python, and scripting
College Graduates - Full-Time - Junior Quantitative Trader (London - 2026)
Bachelor's/advanced degree in quantitative field. Proficiency in Python, C++, Java, R, Matlab. Strong problem-solving and communication skills
Fundamental Research Analyst
Bachelor's degree in a quantitative field. 4+ years of research experience. Passion for financial markets & problem-solving
C++ Software Engineer
BS/BA in CS/Eng/related field; 5+ years of C++ development experience; experience with Linux & Python
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