Growth Software Engineer — Backend & Data APIs

Speedrun Talent Network; New York (NY); Presencial; USD 150.000 - 230.000; Jornada completa

Descripción de la vacante

Kalshi is seeking a Software Engineer, Growth, in New York, NY to design, develop, and maintain user-facing systems and internal tools that enable customers to access, transact on, and manage positions on the platform. You will build, scale, and operate backend services and APIs that support growth, engagement, and core product functionality with performance and reliability.

The role requires a Bachelor's in Computer Science or related field and at least five years of experience, with strong

Formación

• Bachelor's degree in Computer Science, Software Engineering, or related field.
• 5+ years of progressively responsible software development experience.
• Proficient in Go (Golang), JavaScript, and Python with at least 5 years of experience.
• Experience designing and documenting REST and/or RPC service APIs.
• Experience with relational and NoSQL databases (PostgreSQL, MySQL, MongoDB).
• Experience building high-performance backend services and distributed systems.
• Ability to translate evolving product requirements into technical specs for scalable solutions.
• Experience implementing feature flags and AB testing for growth experiments.

Responsabilidades

• Design, develop, and maintain user-facing systems and internal tools for the platform.
• Build, scale, and maintain backend services and APIs supporting growth and core product functionality.
• Own and operate notification and lifecycle engagement systems end-to-end.
• Collaborate with product management and frontend/mobile engineering to deliver features from concept to production.
• Model and query data across relational and NoSQL stores to support high-volume use cases.
• Monitor and improve latency, throughput, and reliability of production systems.

Conocimientos

Go (Golang)

JavaScript

Python

REST APIs

Distributed systems

A/B testing

Educación

Bachelor's degree in Computer Science

Herramientas

PostgreSQL

MySQL

MongoDB

Descripción del empleo

Kalshi is seeking a Software Engineer, Growth, in New York, NY to design, develop, and maintain user-facing systems and internal tools that enable customers to access, transact on, and manage positions on the platform. You will build, scale, and operate backend services and APIs that support growth, engagement, and core product functionality with performance and reliability.

The role requires a Bachelor's in Computer Science or related field and at least five years of experience, with strong