---
title: "Senior Software Engineer… at Handshake – San Francisco, CA"
canonical: "https://www.metaintro.com/job/senior-software-engineer-annotations-at-handshake-612bfae4-71e9-5e95-b9c4-c63c6dce5efd"
language: "en"
author: "Metaintro"
---

[/company/handshake](/company/handshake)[Handshake](/company/handshake)
# Senior Software Engineer, Annotations at Handshake

Department: Engineering

Compensation

$208,000 – $260,000/yr

**Setup**
: On-site

**Location**
: San Francisco, California

**Type**
: Full-time

**Level**
: senior

**Posted**
: Oct 2, 2026

## Description

Handshake AI is hiring a Senior Software Engineer for its Annotations team to build and scale operator tooling, workflows, quality-control systems, and full-stack features that support human data operations for frontier AI companies. The role requires 6+ years of production software engineering experience, proficiency in Python, Node.js, TypeScript, React, PostgreSQL, and backend APIs, and experience owning complex projects, mentoring engineers, and improving engineering practices. The position is based in San Francisco and offers equity, medical, dental, and vision coverage, and other benefits.

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