Trading Systems Engineer (Affiliated Trading)

Role Roadmap
Kalshi Trading is an affiliated trading entity that operates across all different categories on Kalshi. We are looking for backend engineers who can build and maintain the infrastructure underlying our trading operations. The ideal candidate will have the following attributes:

At least 3 years of professional experience as a backend engineer

Experience directly building trading systems including order management

Experience building robust high performance event-driven systems and APIs

Experience writing concurrent code

Very comfortable with relational databases (e.g. Postgres)

Familiarity with the AWS stack (especially RDS and ECS)

Proficiency in one of: Golang, Rust, C++

In addition to the above, the ideal candidate will also potentially have one or more of these attributes:

Familiarity with stream processing (Kafka)

Familiarity with frontend development

Familiarity with machine learning, neural networks, or generative AI including LLMs

Experience trading on Kalshi or other prediction markets