CAD / PCB / 3D Design Engineer – AI Evaluation

Mercor

. Design realistic, difficult engineering tasks consisting of prompts, input files, and automated graders .

Posted 10/13/2026contractRemote • United StatesMid-LevelSenior💰 $60 - $100 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in engineering design across multiple tracks, including Mechanical CAD, Electronics/PCB, and 3D/Spatial-Temporal design. Proficient in using industry-standard tools and programming languages to create and validate complex engineering tasks.

Highest-signal resume keywords

SolidWorksAutoCADKiCadBlenderPython

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Mechanical CAD DesignSchematic CapturePCB LayoutScene ConstructionAnimationRiggingPhysics SimulationCommand Line ProficiencyVersion Control with GitDesign Validation

Soft Skills

Analytical ThinkingAttention to DetailIndependent Work

Tools & Technologies

STEP FilesKiCad Projects.blend FilesClaude Code

Industry Keywords

Automated GradersSynthetic DataPeer ReviewFabricated BoardsManufactured PartsProduction 3D AssetsPublished Research

Tech Stack

Tools & technologies

Python

About the role

Key responsibilities & impact

Design realistic, difficult engineering tasks consisting of prompts, input files, and automated graders
Turn real design work into self-contained tasks using STEP files, KiCad projects, .blend files, and meshes
Build and iterate on tasks with Claude Code and version them in Git
Run tasks against frontier AI models and analyze model transcripts
Close leaks and shortcuts so tasks are difficult for the right reasons
Pass automated QA and peer review
Document the rationale behind synthetic data
Attend onboarding and calibration sessions

Requirements

What you’ll need

3+ years of hands-on design experience in at least one track
Professional experience with SolidWorks, AutoCAD, FreeCAD, or a comparable CAD tool for the Mechanical CAD track
Experience with schematic capture, PCB layout, DRC/ERC, footprints, and enclosure fit using KiCad for the Electronics/PCB track
Experience with scene construction, animation, rigging, physics, camera work in headless Blender driven by Python for the 3D/Spatial-Temporal track
Shipped real deliverables such as fabricated boards, manufactured parts, production 3D assets, or published research
Portfolio link required to apply
Ability to write Python as part of engineering work
Comfortable with the command line and Git
Ability to judge whether a design is actually correct
Minimum availability of 20 hours per week, active at least 5 days per week
Independent contractor engagement
Must not require H1-B or STEM OPT support

Benefits

Comp & perks

Fully remote role that can be completed on your own schedule
Weekly payments via Stripe or Wise based on services rendered
Competitive pay
Collaboration with leading researchers
Reasonable accommodations upon request
Up to $400 referral payment for each successful referral, subject to referral limits