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Remote AI training and data labeling jobs in Nigeria

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.

  • 100% remote
  • Flexible hours
  • Hourly / per-task pay
  • 12 open roles

Funds Contract Redlining Attorney

Join OpenTrain as a remote Funds Contract Redlining Attorney to train and evaluate legal AI by running redlines, simulated negotiations, and grading model outputs. Part-time contractor role (20+ hrs/week) paying $90–$130/hr; J.D. and active U.S. bar required.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $90–$130/hr

Posted Jul 16, 2026

AI Evaluation Analyst, LLM Conversation & Rubric Authoring

Create multi-turn conversations, rubrics, and evaluation assets for frontier LLMs while working remotely as a contractor 20+ hours/week. Rapid onboarding and clear specs; paid on a per-task/hour basis at $20–$30/hr.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$30/hr

Posted Jul 16, 2026

LLM Red-Teamer for Adversarial Testing and Evaluation

Join OpenTrain as a remote LLM Red-Teamer to design adversarial multi-turn conversations, write rigorous evaluation rubrics, and validate frontier language models 20+ hrs/week for $40–$65/hr. Prior RLHF or evaluation experience is helpful but not required.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$65/hr

Posted Jul 16, 2026

Hindi Audio Engineer (Remote, Part-Time)

OpenTrain is hiring a Hindi Audio Engineer to edit, mix, master and quality-review Hindi audio for AI training projects; flexible contractor work under 20 hrs/week, paid $20–$30/hr. Native or near-native Hindi required.

Audio & Speech
Audio
Remote · Worldwide
Hindi
Part-time · Flexible
Entry level
Hourly · $20–$30/hr

Posted Jul 16, 2026

Spanish (Mexico) Voice Actor, Remote Recording

Record expressive Spanish (Mexico) voice performances for AI training, delivering production-ready audio from your home studio; paid up to $65/hr for 20+ hours/week. Join OpenTrain to help shape how speech AI understands tone, emotion, and natural conversation.

Audio & Speech
Audio
Remote · Worldwide
Spanish
Part-time · Flexible
Intermediate level
Hourly · $20–$65/hr

Posted Jul 16, 2026

Video Content Data Labeling Associate

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.

Image & Video Annotation
Video
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $10–$12/hr

Posted Jul 16, 2026

Finance AI Model Evaluation Expert

Evaluate LLM outputs on complex finance tasks, craft domain-specific rubrics, and help improve AI training and benchmarking. Remote, flexible contract work (10–30 hrs/week) with competitive pay around $100+/hr.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100/hr

Posted Jul 15, 2026

AI Quality Analyst, Portuguese (Portugal)

Join OpenTrain as a part-time AI Quality Analyst evaluating a conversational AI personalization feature; Portuguese fluency required. Remote, contractor work at $15/hr with a 20+ hour weekly commitment—you'll design personal prompts, compare side-by-side responses, and write defensible rationales.

Generative AI & RLHF
Text
Remote · Worldwide
Portuguese
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Jul 15, 2026

Finance AI Model Evaluator

Evaluate and improve large language models on real finance tasks — capital markets, trading, M&A, accounting and more. Contract, part-time role (20+ hrs/week) paid $100/hr; English required and open worldwide through OpenTrain.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $100/hr

Posted Jul 15, 2026

AI Quality Analyst, Personalization (German)

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.

Generative AI & RLHF
Text
Remote · Worldwide
German
Part-time · Flexible
Entry level
Hourly · $15/hr

Posted Jul 15, 2026

English LLM Evaluation Generalist

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.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$30/hr

Posted Jul 15, 2026

Economics AI Training Expert

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.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Jul 15, 2026

Computer Science Expert - Golden Responses & Review

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).

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Jul 15, 2026

Biology AI Training Expert (PhD, Remote, $80–90/hr)

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.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Jul 15, 2026

Physics AI Training Specialist, Remote Contract

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.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Jul 15, 2026

Math Expert (PhD), Advanced Math Responses

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.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Jul 15, 2026

Statistics Expert (PhD), Remote AI Training Consultant

Use your PhD-level statistics expertise to write, review, and explain model responses that teach AI systems; part-time remote contract paying $90–$120/hr for an estimated 1–3 month project with flexible hours.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $90–$120/hr

Posted Jul 15, 2026

Chemistry PhD AI Training Reviewer

Join OpenTrain as a remote Chemistry AI Training Reviewer to write and rate advanced chemistry responses, create golden-reference answers, and improve model behavior — part-time contract paying $80–$90/hr for an estimated 1–3 month engagement.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$90/hr

Posted Jul 15, 2026

German Voice AI Data Rater

Record, transcribe, and rate German voice interactions for a next‑generation AI assistant on your Mac; $38/hr, 20+ hours/week, fully remote and contractor-friendly. Ideal for native German speakers with strong transcription attention to detail.

Audio & Speech
Audio
Remote · Worldwide
German
Part-time · Flexible
Entry level
Hourly · $38/hr

Posted Jul 14, 2026

French Voice AI Data Rater

Remote contract role transcribing and rating French voice interactions for a next‑generation AI assistant at $38/hr; requires an Apple Silicon Mac and native/near‑native French. Immediate start; typical 20+ hrs/week with a default 40‑hour commitment over a 3‑week timeline.

Audio & Speech
Audio
Remote · Worldwide
French, English
Part-time · Flexible
Entry level
Hourly · $38/hr

Posted Jul 14, 2026

Management Consulting AI Evaluation Expert

Design grading rubrics and score AI and human consulting deliverables with evidence-based written justifications. Remote contractor role, 20+ hours/week, pay $150–$220/hr working for OpenTrain AI on evaluation and quality tasks.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $150–$220/hr

Posted Jul 14, 2026

Mechanical Engineering Assessment Writer

Create graduate-level multiple-choice questions and exam-quality rationales, review AI-generated mechanical engineering content, and help ensure technical accuracy; contract, remote role paying $60–$130/hr for ~20+ hours/week.

Writing & Editing
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $60–$130/hr

Posted Jul 14, 2026

German Audio Data Reviewer, Speech Annotation & Recording

Remote, contractor role recording, annotating and evaluating German speech to improve AI pronunciation and language understanding; part-time (20+ hrs/week) and paid $30–$65/hr. Native German fluency and phonetics awareness required.

Audio & Speech
Audio
Remote · Worldwide
German
Part-time · Flexible
Entry level
Hourly · $30–$65/hr

Posted Jul 14, 2026

Electrical Engineering Assessment Reviewer (Graduate Level)

Remote, part-time contract role writing and reviewing graduate-level electrical engineering exam questions and model outputs; flexible under 20 hrs/week, paid $40–$130/hr. Ideal for PhD or advanced master's holders with university teaching and assessment experience.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$130/hr

Posted Jul 14, 2026

High-Energy & Mathematical Physics Expert

Provide authoritative adjudication and written evaluations on contested high-energy and mathematical physics arguments to train next-generation AI. Part-time remote contractor role (under 20 hrs/week), $80–$160/hr, OpenTrain AI hiring.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $80–$160/hr

Posted Jul 14, 2026

French Voice Coach, Remote Part-Time

Join OpenTrain as a French Voice Coach delivering personalized pronunciation, diction, and fluency coaching in French; contractor, part-time role paying $30–$65/hr. Work remotely under 20 hours/week designing exercises, giving actionable feedback, and keeping progress records.

Audio & Speech
Audio
Remote · Worldwide
French
Part-time · Flexible
Entry level
Hourly · $30–$65/hr

Posted Jul 14, 2026

Hindi Voice Coach (Remote, Part-Time)

Join OpenTrain as a part-time Hindi Voice Coach helping learners improve pronunciation, intonation, and conversational fluency through remote coaching and audio review. Flexible contractor role (under 20 hrs/week), paid $30–$65/hr, open worldwide to native or near-native Hindi speakers.

Audio & Speech
Audio
Remote · Worldwide
Hindi
Part-time · Flexible
Entry level
Hourly · $30–$65/hr

Posted Jul 14, 2026

German Music Audio Evaluation Specialist

Rate and annotate AI‑generated German-language music for up to 6 months, using music-production and audio-engineering terminology. Remote part‑time contract, 20+ hours/week, $32.48–$58.46/hr; native German and strong English required.

Audio & Speech
Audio
Remote · Worldwide
German, English
Part-time · Flexible
Entry level
Hourly · $32.48–$58.46/hr

Posted Jul 13, 2026

Vietnamese Music AI Evaluation Specialist

Review and annotate Vietnamese AI-generated music—judge lyrics, vocal quality, musicality, creativity, and production, and tag songs with genre, structure, and performance features. Remote contractor role for experienced music producers or audio engineers, 20+ hrs/week, USD $13.01–$23.43/hr; Vietnam

Audio & Speech
Audio
Remote · Worldwide
Vietnamese, English
Part-time · Flexible
Expert level
Hourly · $13.01–$23.43/hr

Posted Jul 13, 2026

Thai Music AI Model Evaluator

Evaluate AI-generated Thai music—lyrics, vocals, and full mixes—on a flexible part-time contract. Intermediate role (20+ hrs/week) paying $13.01–$23.43/hr; native or near-native Thai and English required.

Audio & Speech
Audio
Remote · Worldwide
Thai, English
Part-time · Flexible
Intermediate level
Hourly · $13.01–$23.43/hr

Posted Jul 13, 2026

What this work can involve

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.

  • Examples of tasks: image or video labels, audio transcription, text annotation, response rating, and translation or summarization work.
  • Work often requires following written instructions and quality guidelines provided in the posting or project materials.
  • Inspect each job for role-specific content, eligibility rules, and any subject-matter requirements before applying.

How hiring works through OpenTrain

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.

  • You apply through OpenTrain; selected candidates may be placed or referred to a client project.
  • Each posting controls eligibility and role requirements, so read listings for specific rules about applicants located in Nigeria.
  • The live job posting is the authoritative source for hours, pay, qualifications, and location rules.

Frequently asked questions

What can this work involve?
Tasks for roles that accept applicants located in Nigeria can vary but all center on preparing, labeling, or evaluating data used to train AI. You might tag images or video, transcribe speech, annotate or translate text, rate chatbot or search responses, or apply subject-matter knowledge to judge content quality. The exact duties, tools, and output standards are defined in each live posting, so review the job description to see what a specific role requires.
Where can I find role-specific details?
The individual live posting is the only source of truth for eligibility, responsibilities, qualifications, experience, pay, hours, schedule, and any client-specific rules. Do not assume details across listings; read the posting you plan to apply to for the precise requirements and any content or location restrictions that apply to applicants located in Nigeria.
How does hiring work through OpenTrain?
Candidates apply through OpenTrain, which is the hiring organization for the roles on this page. OpenTrain may place or refer successful applicants to the client whose project they will support. Because hiring rules and selection criteria vary by posting, consult the individual job listing to confirm who can apply and what the next steps are.