Jobs at Old Mission

Summer law internship providing junior-attorney-level work in a financial services legal team: review and manage commercial contracts, support entity formation and governance, conduct legal and regulatory research, draft corporate documents and policies, assist compliance, and maintain regulatory reference materials and contract lifecycle systems.

Summer internship building and supporting C++ trading applications and tools. Work hands-on on projects with engineers and traders, learn electronic trading systems, receive mentorship, and contribute to daily firm activities.

Join a graduate software engineering program to develop and support C++-based trading applications and tools. Work on systems programming, data structures, and algorithms in a Linux environment, contributing immediately to electronic trading initiatives while learning and collaborating with experienced engineers.

The Junior Quantitative Researcher will develop and enhance pricing models for volatility-based derivatives, analyze market data, and collaborate with traders in a fast-paced environment.

The Bazel Engineer will optimize the software development process, enhance build workflows, integrate Bazel, troubleshoot issues, and design CI/CD pipelines.

Join the options trading quant team to design, implement, and improve derivative pricing models (variance swaps, VIX, volatility swaps). Evaluate and stabilize calibrations and Greeks, develop Python research libraries and market-data filters, analyze microstructure for trading ideas, and collaborate with traders to build tools and generate options research.

The Fundamental Research Analyst will conduct research and monitor global news to identify investment opportunities, supporting traders in making informed decisions.

Lead compensation strategy and operations including benchmarking, bonus and promotion cycles, pay equity, vendor/benefits support, negotiations, market surveys, and compensation reporting. Act as primary compensation advisor to leadership, HR partners, managers, candidates, and employees.

Hands-on tax manager responsible for U.S. international tax compliance (GILTI, Subpart F, FTC, BEAT), federal/state/local filings, transfer pricing support, tax research and authority responses, process improvements, tax calendar ownership, and cross-functional coordination. Uses advanced Excel and AI tools to prepare and review workpapers, support external advisors, and advise on transactions and structure.

The Software Engineer will enhance trading systems and applications, collaborating with teams to improve adaptability and scalability in a fast-paced environment.

The position involves building and optimizing automated trading infrastructure, developing trading algorithms, and creating scalable applications in a team environment.

Old Mission is a global trading firm seeking passionate professionals for future opportunities in quantitative finance. They value collaboration, results, and continuous learning.

The Quantitative Researcher will develop and enhance pricing models for volatility-based derivatives, analyze market data, and collaborate with traders to generate trading ideas.

The Quantitative Researcher will analyze pricing models, evaluate trades, and collaborate on model improvements in the equities trading group.

Support an international trading desk by monitoring global news and macro events, producing research reports, identifying trading opportunities, and collaborating with traders to analyze data and develop tools.