# Software Engineer, Product

**Company:** [Kalshi](https://hotfix.jobs/companies/kalshi)
**Location:** New York, NY
**Role:** Backend Engineering
**Salary:** $200k – $280k/yr
**Experience:** 4+ years
**Skills:** Go, Java, REST APIs, Postgres, MySQL, MongoDB, WebSockets, AWS, GCP, A/B Testing
**Posted:** 2026-01-05

> Builds backend services, APIs, and data-driven features like personalization engines for Kalshi's prediction market trading platform. Requires 4+ years experience, Bachelor's in CS, Golang/Java proficiency, and REST API/database expertise.

## Job Description

## What You’ll Do

- Design and implement high-performance backend services and APIs that enable rapid testing of new trading features and experiences as Kalshi’s user-base scales
- Architect and maintain systems for personalization engines, recommendation algorithms, and other data-driven features that enhance trader engagement and retention
- Partner with product managers and frontend engineers to pilot initiatives that aim to improve or expand Kalshi’s platform

## What You Bring

**Required:**
- Bachelor's degree in Computer Science or equivalent professional experience, with 4+ years of hands-on software development
- Strong command of key programming languages such as **Golang**, **Java**, etc.
- Strong knowledge of **REST API** design and development
- Experience with relational and NoSQL databases, such as **PostgreSQL**, **MySQL**, **MongoDB**
- Proven track record of taking initiative and thriving in fast-paced environments
- Comfortable refining loose requirements into a clear technical spec
- Passionate about your craft and committed to delivering exceptional results

**Bonus Points:**
- Experience supporting low-latency, dynamic interfaces using **Websockets** or similar event-based infrastructure
- Familiarity with cloud platforms like **AWS**, **Azure**, or **GCP**
- Experience with growth experiments or **A/B testing** frameworks
- History with day trading stocks, futures, or options (to better understand the experience of our members)

## NYC Pay Transparency Disclosure

Salary Range: **$200,000–$280,000** annually, plus equity and benefits.

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**Apply:** https://hotfix.jobs/jobs/0251eb52-7754-46ad-bca8-a594b518b2b0
**Canonical:** https://hotfix.jobs/jobs/0251eb52-7754-46ad-bca8-a594b518b2b0