Full-Time
College Graduates
Full-Time, Junior Software Engineer, 2024
Posted on 7/19/2023
Old Mission
51-200 employees
Global market maker for illiquid ETFs
No salary listed
Chicago, IL, USA
Old Mission has offices in Chicago, New York, and London, indicating that the position may be based in one of these locations. The job posting does not specify any travel requirements or remote work options.
Old Mission has offices in Chicago, New York, and London, indicating that the position may be based in one of these locations. The job posting does not specify any travel requirements or remote work options.
Old Mission has offices in Chicago, New York, and London, indicating that the position may be based in one of these locations. The job posting does not specify any travel requirements or remote work options.
 Software Engineering |
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- Undergraduate or advanced degree in a quantitative field such as Computer Science, Engineering, or one of the hard sciences
- Minimum 3.0 GPA
- Knowledge of C++ and Python, SQL, JavaScript, React
- Understanding of systems programming, data structures, and algorithms
- Familiarity working in a Linux environment
- Strong analytical and problem solving skills
- Great communication skills, both written and verbal
- Strong work ethic and ability to adapt quickly in a fast-paced environment
- Developing and supporting C++ based trading applications and tools
- Contributing significantly to the firm’s daily activities
- Learning more about creative programming and the tools needed to support electronic trading
- Being part of building out the business
- Experience in electronic trading
- Experience in proprietary trading
- Experience in financial markets
Generating company summary.
Company Size
51-200
Company Stage
Private
Total Funding
N/A
Headquarters
Chicago, Illinois
Founded
2008
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Simplify's Take
What believers are saying
- Single-dealer platform can expand recurring client flow and execution revenue.
- ETF specialization supports demand for pricing, hedging, and risk analytics.
- New platform leadership enables workflow automation and market-structure tooling.
What critics are saying
- First platform launch carries execution risk against established connectivity incumbents.
- Illiquid ETF focus exposes earnings to spread compression and inventory losses.
- Market-making revenue falls quickly when ETF volumes and volatility decline.
What makes Old Mission unique
- Chicago-based ETF market maker focused on hard-to-price, illiquid funds.
- Plans a single-dealer platform launch by end-2025.
- Combines traders, technologists, and operational support in one firm.
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Benefits
Competitive Salary
Discretionary bonus
Top tier Medical, Dental, Vision, Disability and Life Insurance paid for by the firm
401(k) with employer match
Full stocked kitchen, free breakfast and lunch everyday on-site
Tuition reimbursement
Flexible Spending Plan
Commuter Benefit Program
Company News
Ameriflex Group Inc. purchased a new stake in SPDR Nuveen ICE Short Term Municipal Bond ETF in the 4th quarter worth approximately $27,000.
OLD Mission Capital LLC purchased a new position in shares of iShares Short-Term National Muni Bond ETF in the first quarter valued at about $8,875,000.
CHICAGO, Sept. 9, 2025 /PRNewswire/ - Old Mission Capital, a leading global market maker in exchange-traded funds (ETFs), today announced that Eugene Davidovich has joined the firm to lead the development of its first single-dealer trading platform, expected to launch by the end of 2025.
Finally, OLD Mission Capital LLC acquired a new stake in Schwab Emerging Markets Equity ETF in the fourth quarter valued at approximately $20,734,000.
Finally, OLD Mission Capital LLC acquired a new stake in Global X Silver Miners ETF in the 4th quarter valued at $948,000.