C++ Software Engineer - Research Infrastructure

Company: Old Mission
Location: Chicago, IL, United States
Type: Full-time
Posted: Sep 19, 2026
Views: 1

✨ AI Summary

Old Mission, a global proprietary trading firm, is hiring a C++ Software Engineer for its Research Infrastructure team in Chicago. The role focuses on building data pipelines and big data tooling using C++ and Python, requiring 4+ years of systems or software engineering experience. The position offers a base salary of $175,000 to $300,000 plus discretionary bonuses and fully paid benefits.

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 in Chicago, New York, and London are all composed of naturally-curious individuals who thrive in a team environment and constantly strive for improvement.

About the Position

Old Mission is seeking a highly skilled Software Engineer to join our Research Infrastructure team. The team is responsible for managing and maintaining datasets, infrastructure, and libraries that power the firm's research activities across a huge number of instruments in nearly all asset classes - a vast data universe of Equities, Options, Commodities, Bonds, and more. Our day to day consists of handling production issues, developing new datasets, building next-generation infrastructure, and maintaining our data pipelines. This person will sit in our Chicago office.

Responsibilities:

  • The complexity of data sources presents unique engineering challenges that require innovative solutions that you will help create
  • You will be responsible for designing, building, and maintaining data pipelines and data infrastructure
  • You will help capture, archive, store, and index data for the entire firm
  • You will design and implement big data tooling to support cluster computing and high-throughput computing tasks
  • You will work on solving problems relating to how data is transmitted between C++ and Python
  • Re-architect current APIs to ensure scalability and performance improvements
  • Collaborate in the release process, including rolling out new releases, debugging and maintenance of systems
  • Identify and implement strategies for upgrading the current data storage capacity
  • Use a combination of technical expertise and analytical skills to ensure the efficient and effective functioning of our data infrastructure
  • Focus on solving tough problems using research and data and spend time solving these problems utilizing modern technologies

Required Skills

  • Experience with C++ (required) and Python (preferred)
  • 4+ years of experience as a Systems Engineer, Platform Engineer, Data Engineer, Software Engineer, or similar - "Big Data" experience preferred
  • Ability to drive and lead technical projects as well as mentor junior engineers
  • Knowledge of software engineering practices - what makes code reusable and extensible
  • Passion for infrastructure: building internal tooling and frameworks
  • Experience with the design and implement big data tooling to support cluster computing and high-throughput computing tasks is a plus
  • Experience with Linux APIs – filesystems, networking, processes management, etc.
  • Experience developing big data technology, preferably complete rebuilds is a plus
  • Bachelor's degree in Computer Science or a related field
Benefits and Perks
  • Competitive salary with discretionary annual bonus
  • Fully paid Medical, Dental, Vision, Disability, and Life Insurance
  • Fully stocked kitchen; free breakfast and lunch every day on-site
  • Tuition Reimbursement Program
  • 401(k) with employer match
  • Paid Vacation, Sick and Parental leaves
  • Commuter and Flexible Spending Programs

Base Salary Range

$175,000 - $300,000 - Salaries are based on numerous factors such as skills, experience, and education. Our compensation package also includes a discretionary bonus and a comprehensive benefits program for full-time employees. For more information, reach out to your recruiter.

Old Mission is not accepting unsolicited resumes from any staffing/search firms. All resumes submitted by staffing/search firms to any employee at Old Mission via-email, the Internet or directly without a valid signed search agreement will be deemed the sole property of Old Mission, and no fee will be paid in the event the candidate is hired by Old Mission.

Apply Now ♡ Save Job

About the Company

Name: Old Mission
Location: Chicago, Illinois (inferred from industry and context, but not explicitly stated on the page)
Website: https://www.oldmissioncapital.com

Old Mission is a global quantitative market-making firm founded in 2008. We build and operate a proprietary trading platform that dynamically values individual securities and complex derivatives at high speed. Our platform enables us to work with the world's largest exchanges, brokers, and institutional investors as a trusted partner, providing liquidity and risk transfer in a wide range of financial instruments, both on and off exchange. We are a privately held firm with a flat hierarchy, fostering an outwardly competitive culture that values good ideas. Our team of technologists, traders, and operations specialists is dedicated to improving market efficiency through advanced technology, unique liquidity, and an entrepreneurial spirit.

View Company Profile

More jobs at Old Mission