# Senior Software Engineer, GenAI

**Company:** [Scale AI](https://hotfix.jobs/companies/scale-ai)
**Location:** San Francisco, CA, New York, NY
**Role:** ML Engineering
**Salary:** $216k – $270k/yr
**Experience:** 5+ years
**Skills:** TypeScript, React, Node.js, MongoDB, Elasticsearch, Temporal, Python, Distributed Systems, Data Infrastructure, Front-End Frameworks
**Posted:** 2026-02-12

> Build and scale full-stack systems for Scale AI's Generative AI Data Engine, owning contributor platform features that power high-impact datasets for LLMs. Requires 5+ years experience with React, TypeScript, Node.js, and strong product sense in a hybrid SF/NY environment.

## Job Description

## Responsibilities
- Design, build, and maintain robust, scalable systems across the full stack, including front-end, back-end, and infrastructure layers
- Implement high-impact features using modern technologies such as **TypeScript**, **React**, **Node.js**, **MongoDB**, **Elasticsearch**, and **Temporal**
- Collaborate closely with internal operators (your users are your neighbors) to identify bottlenecks and ship fast, pragmatic solutions
- Own core systems critical to our contributor platform, with direct impact on Scale’s GenAI data pipeline and business outcomes
- Architect and scale infrastructure capable of handling millions of tasks per week with high reliability and low latency
- Partner cross-functionally with ML teams, Forward Deployed Engineers, and Product to ensure data quality and operational excellence
- Contribute to a strong engineering culture while setting best practices for teammates through mentorship, code reviews, and process improvements

## Requirements
- **5+ years** of software engineering experience, ideally in high-growth, product-focused environments
- Proven track record of shipping production systems at scale
- Drive reliability and performance across critical infrastructure systems, ensuring our platforms scale predictably and operate with high availability
- Strong technical depth in one or more areas: front-end frameworks, distributed systems, data infrastructure, or developer tooling
- Experience working across the stack, ideally with **React**, **TypeScript**, **Node.js**, **Python**, **MongoDB**, **Elasticsearch**, and/or **Temporal**
- Strong product sense and ability to translate ambiguous problems into technical solutions
- Comfortable working in a fast-paced, high-ownership environment with a bias toward execution
- Excited to join a dynamic hybrid team based in **San Francisco** or **New York City**

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