Engineering

Database Systems Expert - PhD - AI Trainer

Explore this opportunity from the hiring employer

Job typeOther PostedOct 10, 2026 Apply byNov 9, 2026

Applications open

You will first verify your request and provide contact information to RightJobsNow. You will then be redirected to the employer or recruitment partner’s application website. Providing information here does not submit a job application.Contact information is optional; after verification, you may skip directly to the application site.

Verify you are human

Complete this verification to continue to the contact form.

About this position

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: Database Systems Evaluation Expert
Type: Contract
Compensation: $2200 per task
Location: Remote

Role Responsibilities

  • Design challenging, self-contained database engineering tasks.
  • Build checks for correctness, failure handling, concurrency, retries, and regressions.
  • Evaluate performance measures such as latency, throughput, and memory use.
  • Write clear grading criteria for engineering judgment.
  • Collaborate with technical reviewers to refine and validate tasks.

Qualifications

Must-Have

  • 5+ years of hands-on database-engine internals experience or a database-systems PhD.
  • Deep experience with storage engines, query execution, optimization, transactions, replication, or related low-latency systems.
  • Strong implementation skills and clear explanations of correctness and performance tradeoffs.

Application Process (Takes 20–30 mins to complete)

  • Complete a self-paced technical assessment with recorded verbal responses and a coding exercise.
  • Use a laptop or desktop with a camera, microphone, and entire-screen sharing.
  • Have your own editor and terminal ready, along with Python 3.8+ and a compiler for C, C++, Rust, Go, or Java.
  • The assessment includes a starter kit and public tests.
  • Complete the assessment independently, without outside AI assistance.

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.



#hiringmercor

Location and commute

Chicago, IL .

Plan your route with Google Maps. Travel times and transportation options vary; confirm the work location with the employer before commuting.

How to apply

Review the vacancy and complete the application on the employer or recruitment partner’s website. Requisition ID: WJ-3145482322.