Principal Software Engineer /hr

CAPosted 7 weeks ago

Role Overview

Mercor is hiring a Principal Software Engineer /hr. This is a full-time role in CA. Full responsibilities, required qualifications, and the apply link are listed in the description below.

Resume Keywords to Include

Make sure these keywords appear in your resume to improve ATS scoring

GitHubORCompensationMercorAIHeadquarteredSanFrancisco

Job Description

About The Job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Senior Open Source Engineer

Type: Contract

Compensation: $150/hour

Location: Remote

Role Responsibilities

Author and manage Pull Requests (PRs) to integrate new code into large, complex open-source codebases.
Evaluate and enhance AI model training through active contributions to open-source repositories.
Collaborate with AI research teams to improve training data quality and model outputs.
Work independently and asynchronously to meet deadlines and deliver impactful code.
Shape the future of open-source projects by providing structured feedback and innovative solutions.

Qualifications

Must-Have

Strong ability to author and manage Pull Requests (PRs).
Demonstrated experience with significant GitHub contributions.

Preferred

3+ years as a Software Engineer.

Start Date

Immediately

Application Process (Takes 20–30 mins to complete)

Upload resume
AI interview based on your resume
Submit form

Resources & Support

For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

About Mercor

Mercor

mercor.com

On-site

165 other open roles at Mercor on TryApplyNow.

View all 166 roles at Mercor Visit website

Frequently Asked Questions

How do I apply for the Principal Software Engineer /hr position at Mercor?

Use the Apply button above to submit your application directly to Mercor. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.

Where is the Principal Software Engineer /hr position at Mercor located?

This position is based in CA. Mercor has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.

What does a Principal Software Engineer /hr at Mercor earn?

Mercor has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.

When was the Principal Software Engineer /hr role at Mercor posted?

This role was posted on May 8, 2026 (54 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.