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Mechanical Engineer

SME Careers Contract Posted 5 months ago US, DE, BR

Role details

Skills the posting asks for

  • Design Principles
  • Mechanical Engineering
  • System Modeling
  • Statics
  • Dynamics
  • Differential Equations
  • English
  • Fluid Mechanics
  • Heat Transfer
  • Thermodynamics

In this hourly, remote contractor role, you will review AI-generated engineering solutions and/or generate expert Mechanical Engineering content, evaluating reasoning quality and step-by-step problem-solving while providing crisp written feedback. You will assess solutions for accuracy, clarity, and adherence to the prompt; identify methodological or conceptual errors; fact-check assumptions; write high-quality explanations and model solutions; and rate and compare multiple responses based on correctness and reasoning quality. This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate, delivering training data for many of the world’s largest AI companies and foundation-model labs. Your mechanical engineering expertise directly helps improve the world’s premier AI models by making their technical reasoning more accurate, reliable, and clearly explained.

Your profile

  • Bachelor’s degree (or higher) in Mechanical Engineering, Aerospace Engineering, or Engineering Physics (Thermo/Heat Transfer/Fluids/Statics-Dynamics/Differential Equations).
  • Strong, confident fundamentals in mechanics, thermodynamics, fluid mechanics, applied physics, engineering math, and system modeling.
  • Comfortable evaluating technical solutions for correctness, methodology, units/dimensional consistency, assumptions, and physical plausibility with high attention to detail.
  • Able to clearly explain reasoning and corrections in writing; Minimum C1 English proficiency.
  • Experience applying basic design principles (requirements, constraints, margins, trade-offs) in real engineering contexts.
  • Reliable, self-directed, and able to deliver consistent quality in an hourly, remote contractor workflow across time zones.
  • Previous experience with AI data training/annotation or technical reviewing is strongly preferred.

Key responsibilities

  • Develop AI Training Content: Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance: Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity: Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

From the SME Careers posting.

Applying on SME Careers

What happens after you click

  1. The link opens this role on SME Careers. Sign up and apply from there.
  2. Create an SME Careers account, then complete the application: a CV as a PDF or your education and work history, your languages and your country. The link opens the application with this role already selected.
  3. Take the AI interview for the role: a recorded video interview of about 15 minutes, in English for most roles, best on a desktop computer.
  4. If you pass, SME's team reviews your profile and may invite you to a short call. If screening succeeds you sign a contract through Deel, verify your identity and link Discord, then wait for a project invitation.
  5. Remote, open to Brazil, Germany and United States. The posting also names countries this site does not cover.
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We read this listing on SME Careers on 28 Sep 2026 and checked it again on 10 Nov 2026. We clean its formatting for readability and safety. View on SME Careers