Looking for Engineering work that contributes to AI systems? These roles apply engineering subject-matter expertise to AI training and data-labeling work, which can include reviewing code or evaluating examples. OpenTrain is the hiring organization for these roles. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support.
Lead QA for biomedical engineering AI-training content, reviewing accuracy, safety, calculations, and rubric adherence for biomedical projects. Remote US-based contractor role, 20+ hours/week at $105/hr, focused on precise written feedback and onboarding support.
Posted Jul 8, 2026
Join OpenTrain AI to evaluate and refine AI-generated biomedical engineering answers — contract, part-time work at 20+ hrs/week with pay from $40–$100/hr. Use your 4+ years of device/biomechanics or clinical engineering experience to improve AI safety, accuracy, and technical reasoning.
Posted Jul 8, 2026
Join OpenTrain as an Engineering Document Review Expert to evaluate technical reports, design documents, and project analyses for AI training — remote contractor role, 20+ hours/week, paid $20–$40 USD/hour. Ideal for engineers with technical-reporting experience.
Posted Jul 3, 2026
Teleoperate robotic arms and humanoid robots in a US on-site lab to produce high-quality demonstration data for physical AI models, with pay from $30–$55/hr. OpenTrain AI is hiring contractors and part-time operators across 24/7 shifts (20+ hrs/week).
Posted Jun 30, 2026
Apply your PhD engineering expertise to write authoritative responses, design experiments, and analyze results for AI training; remote, part-time contract at $80–$90/hr for 20+ hours/week. English required; worldwide applicants welcome.
Posted Jun 30, 2026
Join OpenTrain AI as a remote Engineering Technical Documentation Reviewer earning $40–$50/hr by reviewing blueprints, CAD outputs, and inspection reports to train AI systems. This part-time contractor role requires 20+ hours/week, English fluency, and real-world technical documentation experience.
Posted Jun 30, 2026
Annotate engineering diagrams as graphs: draw tight bounding boxes for symbols (7 classes plus routing nodes) and label edges (solid/non-solid). Small paid pilot followed by a ~60-sheet batch; tooling experience with Label Studio or CVAT required.
Posted Jun 30, 2026
Join OpenTrain AI as a remote, part-time contractor to review electrical schematics, wiring diagrams, and field documentation to help train next-generation AI—20+ hours/week, $40–$50/hr. Provide technical ratings and clear explanations to improve model outputs.
Posted Jun 28, 2026
Join OpenTrain AI to label humanoid robotics video for VLA models as a Level B annotator — 20+ hrs/week, contractor, paid USD $6/hr (range $5–$8); Encord experience preferred but other platform experience is accepted.
Posted Jun 27, 2026
Review scientific figures, lab reports, and technical publications to evaluate model outputs and deliver clear, rubric-based feedback; remote contractor role paying $40–$50/hr, 20+ hrs/week, estimated project earnings $6,400–$8,000.
Posted Jun 27, 2026
OpenTrain AI is hiring a remote QC specialist to review and correct auto-annotated refinery image frames (8,000). Fixed-price contract ($1,200), 20+ hours/week, using CVAT to adjust bounding boxes and classifications with strong attention to detail.
Posted Apr 5, 2026
Write original computational mechanical-engineering problem sets and deliver fully reproducible Python solutions using NumPy, Pandas, and SciPy; part-time contractor role (20+ hrs/week) with pay up to $50/hr. CV in English required; some locations are restricted.
Posted Mar 29, 2026
Design original civil/computational engineering problems and verify reproducible solutions using Python to create high-quality training data for generative models. Part-time contract (20+ hrs/week), up to $50/hr; requires a Civil Engineering degree, 2+ years relevant experience, and strong written E
Posted Mar 29, 2026
Generate a training dataset that maps natural-language vehicle use cases to lists of CAN signals using OpenTrain's proprietary tooling; fixed-price contractor role paying $2,000 USD. Subject-matter expertise in automotive CAN signals is required.
Posted Dec 15, 2025
Review 50–100 Mandarin electrical engineering QA pairs, verify each answer against provided documents using a document-finding tool, and add precise citations for RAG. Contract, part-time work at $40/hr, ~20–40 hours total and 20+ hrs/week.
Posted Feb 3, 2025
Engineering-focused AI training can involve using technical judgment to prepare, label, or review examples for artificial-intelligence systems. Depending on the individual posting, the work may include reviewing code, rating model responses, evaluating outputs, or applying engineering knowledge to other data-labeling tasks. The specific discipline, responsibilities, qualifications, and project requirements can differ, so inspect each live posting carefully before deciding whether to apply.
OpenTrain is the hiring organization for roles available through OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and client requirements are determined by the individual live posting.
