Looking for remote AI-training or data-labeling work while located in Nigeria? OpenTrain is the hiring organization, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Roles that explicitly accept applicants located in Nigeria can involve a range of content-preparation and review tasks for AI systems; check each posting for the exact eligibility, hours, and pay.
Paid remote contractor role reviewing AI-generated chemistry reasoning at $80/hr. Requires a BS/MS/PhD (or in progress) in chemistry, strong quantitative and lab literacy, and 17–20 hrs/week availability; includes paid qualification and project exams.
Posted Oct 24, 2025
Evaluate AI-generated biology responses for correctness, experimental design, and reasoning depth. PhD in Biology required; $80/hr, minimum 17–20 hrs/week, paid onboarding exams, contractor part-time role with remote work worldwide.
Posted Oct 24, 2025
Join OpenTrain AI to evaluate and improve physics-focused AI outputs—paid contract work at $80/hr, part-time (minimum ~17–20 hrs/week). Use your physics degree to spot subtle errors, write step-by-step solutions, and rate model responses with detailed rubrics.
Posted Oct 24, 2025
Evaluate and rate AI-generated mathematical solutions, author exemplar step-by-step answers, and catch subtle conceptual or computational errors; $80/hr, contractor part-time role requiring a BS/MS/PhD in mathematics from a top-100 university and 17–20 hrs/week minimum.
Posted Oct 24, 2025
Part-time contractor role testing and evaluating an internal AI coding tool; $100/hr, remote, under 20 hrs/week. Ideal for intermediate Python engineers with hands-on experience using AI coding assistants like Cursor, Windsurf, or Claude Code.
Posted Oct 17, 2025
OpenTrain AI is hiring a part‑time Frontend UI Developer with 2–4 years' experience in React, Angular, Next.js, or Svelte to build and polish responsive, accessible web interfaces. Remote, 17–20 hrs/week; baseline $10–$30/hr with top candidates paid up to $40–$50/hr.
Posted Oct 6, 2025
Part-time, remote contractor role ($40/hr) designing and running adversarial LLM evaluations and RAG pentests. Requires pentesting experience, Python/Bash/PowerShell skills, container/CI-CD security knowledge, C1 English, and immediate HackerRank + platform assessment.
Posted Oct 6, 2025
Join OpenTrain to audit and improve LLM prompts and model answers on vehicle systems—verify calculations, rate against rubrics, and draft better solutions. Part-time contractor role, $40/hr, under 20 hours/week; requires 3+ years in automotive engineering and practical Python.
Posted Oct 1, 2025
Contractors wanted to mark scene cuts and transitions in ~1,000 YouTube videos (5–10 min each) using uLabel; project runs 4–6 weeks with a preferred team of 10–15 annotators. Pay is $4/hour — applicants must show prior video annotation experience and a QA process.
Posted Sep 14, 2025
Write 50–250-word narrative captions that capture setting, dialogue, actions and emotion for short video clips; Captioner pay $25.75/hr and Senior QC $33.00/hr. USA-based native English speakers only; 20+ hours/week and reliable streaming internet required.
Posted Sep 14, 2025
Annotate guitar fretboards in images using Label Studio — polygon annotations per fret, one polygon/box for the playing surface, and a box/polygon for the nut; exclude the player's hand. Entry-level, remote contractor work; fixed-price $500 for the project.
Posted Sep 8, 2025
Join OpenTrain AI as a part-time contractor applying mathematical statistics with Python (numpy, scipy, statsmodels, pandas) to analyze messy datasets, run hypothesis tests and regressions, and produce clear, reproducible summaries; remote, <20 hrs/week at $25/hr.
Posted Sep 3, 2025
Part-time contractor role building ETL pipelines and interactive dashboards using Python, Plotly/Dash, and SQL. Entry-level, remote work under 20 hrs/week at $25/hr — ideal for hands-on data analysts who document clearly and translate questions into visuals.
Posted Sep 3, 2025
Seeking native Mandarin speakers based in Singapore with C1+ English to evaluate and rate generative AI outputs; 20+ hours/week, contract role paying USD 12/hour. Work reviewing text (and occasional images/video), classifying responses, and flagging safety or factual issues.
Posted Sep 2, 2025
Record ~30 short phone greetings and voicemail clips in your native European language and earn $24–$36; most participants finish in 30–45 minutes. Remote, flexible contractor work for in-country native speakers with a smartphone and local mobile number.
Posted Aug 26, 2025
Entry-level contractor role labeling one target object per image using polygon segmentation in CVAT (SAM may be used with manual correction). Pay is $0.04 per labeled image; work is worldwide and continuous as the dataset (~18,000 images and growing) expands.
Posted Aug 25, 2025
Join OpenTrain AI as a freelance AI code reviewer (20+ hrs/week, $15/hr). Apply for one primary language—Python, JavaScript/TypeScript, Rust, or Ruby—and be sure to state which language you are applying for.
Posted Aug 1, 2025
Join a 3–6 month, fully remote U.S. contract evaluating AI-generated text against elementary ELA standards; Expert annotators (5+ years U.S. classroom experience) and Standard annotators (2+ years) can earn $35/hr with flexible, part-time hours (10+ hrs/week).
Posted Jul 31, 2025
Build and own the infrastructure that powers LLM training and agent evaluation at OpenTrain AI; remote for US & Canada, 20+ hours/week, contractor roles with hourly pay tiers (Junior $34 / Middle $37 / Senior $42). Shortlisted candidates complete a timed HackerRank and platform coding test.
Posted Jul 25, 2025
Join OpenTrain AI to build the Python infrastructure that powers LLM training and agent evaluation. Fully remote for Asia‑Low region, 20+ hrs/week contract work with tiered hourly pay; requires 5+ years Python, Docker, CI/CD, FastAPI/Flask, and Linux expertise.
Posted Jul 25, 2025
Join OpenTrain AI as a part-time contractor performing in-app actions and finding information to train reinforcement-learning systems; entry-level, remote, $11/hr, 20+ hours/week using internal tooling and short task instructions.
Posted Jul 22, 2025
Join OpenTrain AI to audit AI-generated Bash scripts: validate code in isolated environments, enforce security and reliability best practices, and coach annotators. Remote contractor role, 20+ hrs/week at $21/hr.
Posted Jul 10, 2025
OpenTrain AI is hiring a Senior PowerShell Code Reviewer to validate annotator reviews of AI-generated PowerShell scripts, running checks in sandboxed environments and giving rubric-based corrections and feedback. Part-time contractor role, 20+ hours/week, $24/hr, remote worldwide.
Posted Jul 10, 2025
OpenTrain AI is hiring senior Go engineers to audit annotator reviews of AI-generated Go code: run snippets in sandboxes, confirm correctness and security, correct mis-ratings, and provide clear, rubric-driven feedback. Remote, contractor, 20+ hrs/week at $24/hr.
Posted Jul 10, 2025
Audit AI-generated JavaScript/Angular submissions by building and running projects, checking functionality, security, performance, and accessibility, and correcting mis-ratings with concise feedback. Remote contractor, 20+ hrs/week at $23/hr; requires 7+ years professional Angular experience.
Posted Jul 8, 2025
Join OpenTrain AI to audit AI-generated TypeScript + React code: compile, run in sandboxes, verify prompt compliance, and correct annotator ratings with clear feedback. Remote, contract, 20+ hrs/week at $25/hr—requires 7+ years of professional TypeScript/React experience.
Posted Jul 8, 2025
Contract, remote role auditing AI-generated Angular (v15+) TypeScript code: verify builds, security, performance, and accessibility; correct mis-ratings and give concise rubric-aligned feedback. 20+ hrs/week, $24/hr — ideal for experienced Angular engineers.
Posted Jul 8, 2025
Join OpenTrain AI to audit AI-generated Node.js code by running snippets in sandboxed containers, correcting mis-ratings, and giving concise feedback to meet security, performance, and quality rubrics — $24/hr, 20+ hrs/week, fully remote.
Posted Jul 8, 2025
OpenTrain AI seeks an experienced Docker-focused code reviewer to validate annotator reviews of AI-generated Dockerfiles and orchestration snippets; $24/hr, 20+ hrs/week, remote contractor role. Run builds in sandboxed VMs, flag issues, and provide concise remediation notes to meet a strict quality
Posted Jul 8, 2025
Join OpenTrain AI to audit annotator reviews of AI-generated C code: compile and run snippets in sandboxed containers, verify correctness under multiple build flags, and enforce security and performance best practices. Part-time contractor, remote, 20+ hrs/week at $24/hr.
Posted Jul 8, 2025
Work that accepts applicants located in Nigeria typically focuses on preparing, labeling, or evaluating data that helps train AI systems. Tasks can include tagging images or video, transcribing or annotating audio, translating or cleaning text, rating search or chatbot responses, or using domain knowledge to judge outputs. Individual postings set the task details, required skills, and any content guidelines, so review each listing carefully to understand what the role asks you to do.
All applications for these roles are submitted through OpenTrain. OpenTrain is the hiring organization for the roles listed and may place or refer successful candidates to the client whose project they will support. The individual live posting is the only source of truth for who is eligible and what the role requires, so use the posting to confirm qualifications, schedule, and pay.
