Software Engineer, Trading Platform & Market Tech

Kalshi; New York, Northern (NY, KY); Hybrid; USD 200,000 - 280,000; Full time

Job summary

Kalshi is building a next-generation prediction market platform in NYC. We seek a senior software engineer to own critical backend systems, including order matching, trade execution, and clearing infrastructure. You will work on high-performance services, APIs, and external integrations with market makers and brokers.

The role emphasizes rapid iteration, ownership, and delivering robust, scalable systems for a rapidly growing financial market.

Qualifications

• 4+ years of software engineering experience.
• Experience planning and leading large projects with long-term impact.
• Strong grasp of relational databases and transactions.
• Experience building highly concurrent systems.
• Proven ability to ship quickly with quality.

Responsibilities

• Develop order matching and trade execution algorithms.
• Create high-performance data feeds and trading APIs.
• Build robust clearing systems with margining and banking integrations.
• Lead integrations with market makers, brokers, and hedge funds.
• Stress test large-scale systems; optimize DB access and algorithms.
• Design new market structures and ship features iteratively.

Skills

4+ years experience

Lead large projects

Relational databases

Concurrent systems

Fast shipping

Engineering judgment

Customer collaboration

Job description

Kalshi is building a next-generation prediction market platform in NYC. We seek a senior software engineer to own critical backend systems, including order matching, trade execution, and clearing infrastructure. You will work on high-performance services, APIs, and external integrations with market makers and brokers.

The role emphasizes rapid iteration, ownership, and delivering robust, scalable systems for a rapidly growing financial market.