Kalshi
Software Engineer, Trading Platform
$200K–$280K
New York Office · On-site · Full-time · Posted Jan 5, 2026
- Experience
- 4+ years of software engineering experience.
About the job
Build and optimize trading, exchange, clearing, and API systems for Kalshi’s prediction-market platform.
What you'll do
- Develop order matching and trade execution systems, trading APIs, data feeds, and clearing systems.
- Lead integrations with market makers, brokers, and hedge funds; stress-test critical systems.
- Optimize databases and algorithms, design new market structures, and ship customer-focused products.
What they ask for
- 4+ years of software engineering experience.
- Experience planning and leading large projects with long-term impact on a system or team.
- Solid understanding of relational databases and transactions; familiarity with highly concurrent systems.
- History of creating and applying processes and tooling to improve engineering efficiency.
Nice to have
- Experience with financial systems, FIX API, clearing infrastructure, or broker connectivity.
- Experience building large-scale systems; interest in direct customer interaction.
Pay
$200,000–$280,000 annually (base salary)
Tools
FIX API
Model-written summary · the original posting is authoritative