Old Mission
Senior Software Engineer - Post Trade
$200K–$250K
Chicago, IL · On-site · Senior · Full-time · Posted Aug 26, 2026
- Experience
- A minimum of 5 years of professional Python and C++ experience in a production setting.
- Education
- Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline.
About the job
Build and coordinate reliable, scalable post-trade systems supporting global trading across the firm.
What you'll do
- Develop post-trade solutions across varied inputs, outputs, and latency requirements.
- Contribute to a distributed system supporting global trading.
- Own and drive projects collaboratively.
What they ask for
- At least 5 years of professional Python and C++ experience in a production setting.
- Strong Linux knowledge, including performance tuning and networking.
- Experience with relational databases and FIX.
- Bachelor's degree in Computer Science, Mathematics, or a related Engineering/Science discipline.
Pay
$200,000 - $250,000 USD base salary
Tools
Python, C++, Linux, PostgreSQL, MySQL, FIX
Model-written summary · the original posting is authoritative