Trading Systems Engineer (Kalshi Trading LLC)
About this role
Kalshi Trading needs a skilled backend engineer to build and maintain the infrastructure supporting active trading operations across a rapidly growing prediction market platform. Kalshi operates the first legalized prediction market in the US, turning future events into financial assets spanning politics, economics, weather, and AI.
The incoming engineer will directly construct trading systems, implement order management capabilities, and design robust high-performance event-driven systems and APIs. Responsibilities involve writing concurrent code and managing relational databases like Postgres within an AWS environment.
Candidates who thrive here are ambitious, value a flat organizational structure with minimal hierarchy, and enjoy taking full ownership of greenfield projects. The team seeks individuals who want to shape the trajectory of automated trading strategies while contributing to a vision of bringing truth through markets.
What you will do
- Build and maintain the core backend infrastructure underlying the trading operations of Kalshi Trading.
- Directly develop trading systems including order management functionality.
- Design robust, high-performance event-driven systems and APIs.
- Write concurrent code to handle demanding operational throughput.
- Manage relational database systems utilizing Postgres.
- Leverage the AWS stack, with a particular focus on RDS and ECS.
What you need
- At least 3 years of professional experience working as a backend engineer.
- Demonstrated background directly building trading systems and order management components.
- Experience in constructing robust, high-performance event-driven systems and application programming interfaces.
- Familiarity with writing concurrent code.
- Strong proficiency with relational databases such as Postgres.
- Working familiarity with the AWS stack, especially RDS and ECS.
- Proficiency in at least one of Golang, Rust, or C++.
Nice to have
- Familiarity with stream processing using Kafka
- Familiarity with frontend development
- Familiarity with machine learning, neural networks, or generative AI including LLMs
- Experience trading on Kalshi or other prediction markets
Benefits
- Equity
- Benefits
Skills and tech stack
Questions candidates ask
What is the salary range for this position?
The salary range for this role is $200,000 to $300,000 annually plus equity and benefits. Should compensation expectations exceed these bands, candidates are still encouraged to reach out to discuss further.
What programming languages are required?
Proficiency in one of Golang, Rust, or C++ is required for this role. Candidates must also be comfortable writing concurrent code.
What kind of systems will I be building?
The engineer will build and maintain the infrastructure underlying trading operations. This includes direct creation of trading systems, order management, and robust high-performance event-driven systems and APIs.
How is the team structured?
Kalshi has a relatively small team with minimal hierarchy and few titles. A broad range of experience is represented within roles, and a big part of the approach is that engineers get to chart their path as the company grows.