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CFD & Aerodynamic Engineer (AI Training & Evaluation)

Remote, Madrid·Added 2 months ago

Overview

Job details

  • US$80 - US$110 an hour

    Gross, as stated in the ad.

  • Fixed-term contract

    Per the ad.

  • Fully remote

    Per the ad.

Requirements

  • Have the right to work in Spain

    Lifted (an Upwork company) doesn't mention sponsorship in the ad.

  • Work in English

    English is required, per the ad.

  • University degree

    “Bachelor's degree (or higher) in Aerospace Engineering, Mechanical Engineering , or a closely related discipline.” — per the ad.

Requirements

What we're looking for

  • Bachelor's degree (or higher) in Aerospace Engineering, Mechanical Engineering, or a closely related discipline.
  • Hands-on experience using OpenFOAM for computational fluid dynamics simulations.
  • Strong foundation in fluid mechanics, aerodynamics, and heat transfer principles.
  • Experience with:
    • Mesh generation
    • Turbulence modeling
    • Boundary condition specification
    • Post-processing and simulation analysis
  • Ability to write clear, precise, and objectively verifiable engineering problems.
  • Excellent written English communication skills with the ability to explain complex technical concepts clearly.
  • Self-motivated, detail-oriented, and able to work independently with minimal supervision.

Nice to have

  • Experience working on aerospace, automotive, motorsports, renewable energy, or industrial CFD applications.
  • Familiarity with advanced CFD validation and verification techniques.
  • Experience reviewing technical documentation or engineering research.
  • Previous experience contributing to AI, simulation, or data annotation projects.

The role

This opportunity is ideal for experienced CFD and Aerodynamics Engineers who enjoy solving complex engineering problems and want to contribute their expertise to the development of advanced AI systems.

What you'll do

  • Design compact, self-contained CFD and aerodynamics tasks that evaluate AI models' engineering reasoning.
  • Create clear and technically accurate problem statements covering topics such as boundary conditions, mesh quality, flow regimes, and simulation setup.
  • Develop deterministic scoring checkers that objectively evaluate AI-generated responses.
  • Produce verified reference solutions to ensure each task is technically accurate and fully solvable.
  • Review and refine engineering tasks to improve clarity, physical accuracy, and appropriate difficulty.
  • Apply real-world experience with OpenFOAM to develop practical and realistic engineering scenarios.
  • Work independently in a fully remote, asynchronous environment with complete scheduling flexibility.

About Lifted (an Upwork company)

Lifted is an Upwork company that hires talent for AI training, evaluation, and content projects. Its parent company, Upwork, describes itself as "the world's largest human and AI-powered freelance marketplace to hire top talent—trusted by businesses and professionals worldwide." Lifted's openings, published on its SmartRecruiters careers page under "Lifted, an Upwork Company™", are predominantly contract roles spanning AI code and engineering evaluation (e.g., Senior Structural Engineer with OpenSees, CFD & Aerodynamic Engineer), content writing and data labeling, voice acting, design, and location-based consulting projects.

In Spain, Lifted's current openings include location-based "Airbnb Luxe Home Consultant: Strong Communicators" projects in Menorca, Mallorca, Ibiza city, Costa Brava, and Tenerife (Costa Adeje and Acantilados de Los Gigantes), as well as "Catalan Content Writing & Data Labeling" and specialist AI evaluation roles. Many openings are language-specific — Catalan, Welsh, Portuguese, and Dutch roles appear alongside English (UK) voice acting — which makes the employer relevant to multilingual professionals in Spain. Note that the listed positions are contract-type engagements rather than permanent postings.

Industry
Staffing
Website
upwork.com

In their own words

About the company & team

An enterprise client is seeking CFD & Aerodynamic Engineers to help train and evaluate next-generation AI systems by contributing real-world engineering expertise.

This opportunity is offered by a leading AI data platform that enables organizations to build intelligent applications powered by high-quality human expertise.

Additional information

  • Fully remote, independent contractor opportunity.
  • Flexible schedule with an expected workload of 10–39 hours per week, depending on project demand.
  • Compensation ranges from $80–$110 USD per hour, based on qualifications and experience.
  • Payments are issued weekly for completed work from the previous week.
  • If selected, you will receive an Upwork contract offer along with onboarding instructions for the client's task platform.
  • To be considered, candidates must:
    • Submit an Upwork proposal.
    • Complete the required Google Form.
    • Accept the Upwork contract to receive onboarding instructions, assessment access, and project payments.
  • Due to the high volume of applicants, only shortlisted candidates will be contacted.
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