Backend Engineer

Kalshi has launched the first regulated financial exchange that allows people to trade on the anticipated outcome of events. As a backend engineer, you will be instrumental in building and scaling both the core exchange and other product backends.

Your responsibilities will include optimizing order matching and trade execution algorithms, building high-performance data feeds and trading APIs, working with clearing partners and external stakeholders, improving system robustness, optimizing database performance, and designing new contract types.

The role requires 4+ years of software engineering experience, with expertise in planning large-scale projects, strong technical skills, and experience with relational databases and concurrent systems. You should have excellent judgment in task prioritization and a track record of increasing engineering efficiency.

Kalshi offers a meritocratic culture where hard work and results are valued above all. The company views itself as a family united by its mission to revolutionize financial markets. As an early team member, you'll have significant influence on the company's culture and technical direction.

The position combines the excitement of working on cutting-edge financial technology with the opportunity to shape the future of event-based trading. You'll be part of a team that's building something entirely new - a regulated exchange where people can trade on everyday events, from economic indicators to climate predictions.

Working at Kalshi means joining a mission-driven team that's passionate about transforming how people interact with events and predictions. The company values ownership, problem-solving ability, and technical excellence. As the company grows, your role will evolve, offering continuous opportunities for professional development and impact.