Explore remote AI training and data labeling roles that currently accept applicants in El Salvador. OpenTrain hires candidates and may place or refer successful applicants to a client project.
Review and validate AI-produced C++ code for correctness, efficiency, and reliability in a remote, contractor role. Ideal for intermediate C/C++ engineers who can spend 20+ hours/week giving clear, actionable feedback to improve generated software.
Posted Jul 17, 2026
Join OpenTrain as a Commercial Contracts Attorney to review and annotate M&A diligence documents and help train AI tools used by transaction teams; part-time contract work at $90–$100/hr, 20+ hours/week, remote and worldwide. Bring 5+ years of commercial contract and VDR experience plus a JD and act
Posted Jul 17, 2026
Seeking a licensed M&A/corporate attorney to evaluate deal scenarios, due diligence materials, and AI-generated legal outputs for 20+ hours/week. Remote, contract work paying $80–$100/hr to reviewers with JD and active bar membership.
Posted Jul 17, 2026
Join OpenTrain to draft high-quality commercial agreement templates used to train next-generation AI systems; remote, contract work at $80–$100/hr for 20+ hours/week. Ideal for practicing or recently qualified commercial attorneys with strong drafting experience.
Posted Jul 17, 2026
Record Spanish (Latam) voice-overs for AI training projects on a flexible, remote contract basis (20+ hrs/week). Ideal for voice actors with a professional home studio, demo reel, and experience taking direction or doing dubbing/ADR.
Posted Jul 17, 2026
Join OpenTrain as a remote Malay Language AI Analyst to analyze and summarize complex text, research factual claims, and create Q&A scenarios that improve large language models. This contractor role requires fluency in Malay and English and strong analytical reasoning.
Posted Jul 17, 2026
Join OpenTrain to analyze Italian content, verify claims through online research, and craft clear explanations and scenarios that teach LLMs. This remote contractor role requires fluency in Italian and English, strong analytical writing, and careful judgment to improve model behavior.
Posted Jul 17, 2026
Join OpenTrain AI to review and validate AI-generated Go code for dialog-agent backends in a part-time, remote contractor role (20+ hrs/week). Use your Go expertise and engineering judgment to ensure correct, efficient, and dependable implementations.
Posted Jul 17, 2026
Join OpenTrain to design and solve advanced physics problems and build evaluation benchmarks that fine-tune large language models. This remote, part-time contractor role (20+ hrs/week) suits PhD-level physicists or equivalent with strong symbolic and multi-step reasoning skills.
Posted Jul 17, 2026
Design and solve challenging biology problems to probe and evaluate large language models, creating step-by-step solutions and benchmark material. Remote contractor role (20+ hrs/week), worldwide, English required — OpenTrain AI hires directly.
Posted Jul 17, 2026
Use your board game expertise, strategic reasoning, and knowledge of complex rules to create and evaluate tasks that improve next-generation AI models. This two-month contractor assignment requires at least 20 hours per week, including PST overlap.
Posted Jul 16, 2026
Join OpenTrain as a contractor evaluating a conversational AI personalization feature in Vietnamese. Earn $15/hr on a 3-month, fully remote engagement designing multi-turn prompts, rating responses side-by-side, and writing clear rationales with a required PST overlap.
Posted Jul 16, 2026
Remote contractor role evaluating a conversational AI personalization feature in Thai by designing multi-turn prompts, comparing side-by-side responses, and writing structured rationales. 3-month contract at $15/hr with a minimum 4 hours/day and 4-hour overlap to PST.
Posted Jul 16, 2026
Evaluate personalization for a leading generative AI in Hindi: design multi-turn prompts, compare and rate responses, and write clear rationales. Remote contractor role, 20+ hrs/week, $15/hr, requires strong Hindi reading/writing and overlap with PST.
Posted Jul 16, 2026
Contractor role evaluating Spanish-language personalization for Gemini: design multi-turn prompts, rate side-by-side model outputs, and write clear, defensible rationales. 3-month engagement, remote worldwide, $15/hr, 20+ hrs/week with daily availability and a 4-hour PST overlap required.
Posted Jul 16, 2026
Join OpenTrain AI to evaluate LLM outputs in finance, design rubrics, and help shape model training and benchmarks. Part-time contractor role (<20 hrs/week), remote worldwide, paying $100/hr for finance professionals with 2+ years' experience.
Posted Jul 16, 2026
Evaluate real software repositories and help measure how well AI coding systems fix bugs. This remote, three-month contractor assignment offers 20 hours per week for engineers skilled in codebases, testing, Git, and Docker.
Posted Jul 16, 2026
Build and evaluate AI systems through Python development, supervised fine-tuning, RLHF, response ranking, and public-data analysis. This fully remote contractor role offers 20, 30, or 40 hours per week for a one-month engagement.
Posted Jul 16, 2026
Join OpenTrain AI to evaluate AI-generated civil legal analyses focused on housing, family, consumer, foreclosure, and debt matters; provide structured written feedback to improve legal AI reasoning. Remote contract role for U.S.-bar attorneys, 20+ hours/week at $170/hr.
Posted Jul 16, 2026
Use your funds-law expertise to train and evaluate AI for contract review. This remote contractor role includes simulated negotiations, redlining exercises, AI response evaluation, and creating legal grading criteria at $90–$150 per hour.
Posted Jul 16, 2026
Use your technology-transactions expertise to evaluate AI-generated contract responses, conduct simulated negotiations, and develop legal AI grading frameworks. Contract work is remote, part-time, worldwide, and pays $90–$150 per hour.
Posted Jul 16, 2026
Join OpenTrain as a part-time Video Content Data Labeling Associate to annotate short first-person household-task videos (classification and object detection). Entry-level friendly, remote worldwide, $10–$12/hr for 20+ hours/week.
Posted Jul 16, 2026
Evaluate a new personalization feature for a conversational AI in German: design multi-turn prompts, compare side-by-side responses, and write clear rationales. Contractor role, $15/hr, 3-month engagement, remote with required PST overlap.
Posted Jul 15, 2026
Evaluate AI-generated Turkish music through structured listening, comparison, and quality review. Use your production or engineering expertise in flexible, fully remote contract work paying $17–$45 per hour.
Posted Jul 15, 2026
Join OpenTrain to evaluate large language model outputs, create challenging prompts, and deliver recorded verbal feedback; remote, contract role (20+ hrs/week) paying $20–$30/hr. Entry-level friendly for strong American English speakers with LLM experience.
Posted Jul 15, 2026
Join OpenTrain as a remote Economics Expert to create benchmark-quality economics responses, review advanced solutions, and document rationales for AI training—PhD required; $80–90/hr, 20+ hours/week, contract part-time.
Posted Jul 15, 2026
Join OpenTrain as a contractor producing authoritative computer‑science answers, creating golden responses, and reviewing technical solutions to improve AI. PhD required; 20+ hours/week; $80–$90/hr; fully remote and open worldwide (English).
Posted Jul 15, 2026
Bring your PhD in biology to improve AI systems: review and refine biology prompts, scenarios, and model outputs on a part-time, remote contract at $80–90/hr. Work <20 hrs/week on text-based evaluation and generation tasks with OpenTrain AI.
Posted Jul 15, 2026
Join OpenTrain as a remote Physics AI Training Specialist (contract, <20 hrs/week) to create and review advanced physics content that improves AI reasoning; requires a PhD in Physics and pays $80–$90/hr. Work focuses on text-based generation and evaluation tasks.
Posted Jul 15, 2026
Join OpenTrain as a contracted Math Expert (PhD) creating and refining precise model answers for advanced undergraduate and graduate math prompts. Part-time remote work, 20+ hours/week at $80–$90/hr; English required.
Posted Jul 15, 2026
