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# C++ Software Engineer - Research Infrastructure

- **Company:** Old Mission, LLC.
- **Location:** Chicago, IL, United States
- **Experience:** Experienced
- **Salary:** $175,000.0 - $300,000.0
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Systems Engineering, Big Data, C++ (Programming Language), Computer Clusters, Data Infrastructure, Software Debugging, Linux, File Systems, Python (Programming Language), Software Engineering, Data Storage Technologies, Information Technology, Data Pipelines
- **Published:** September 17, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=dca79653cd795b8b

## About the Role

* 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

## Description

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., * 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


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