What are the responsibilities and job description for the Senior C++ Software Engineer position at Fionics?
Senior C Software Developer — Options Market Making
Chicago, IL | Full-time | On-site
Hiring for a fast-growing electronic options market maker in Chicago. Small team, flat structure, real ownership from day one.
The Role Design and optimize low-latency C systems powering automated options market making. Work directly with traders and engineers to take ideas from concept to production. Includes rewriting legacy Java into C , diagnostic analysis, and tuning for maximum throughput.
You
- 5 years at an options market making firm
- Strong modern C and system-level Linux programming
- Deep CS fundamentals — data structures, algorithms, concurrency
- Strong debugging, profiling, and performance-tuning skills
Why Here
- Direct access to founders from day one
- Proprietary low-latency systems built in-house
- Real P&L impact within your first year
- Chicago-based, strong trading community
All applications confidential