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Remote AI training and data labeling jobs in Nigeria

This facet gathers Remote AI training and data labeling roles that explicitly accept applicants located in Nigeria. Use this page to understand the kinds of tasks those postings may list and decide whether to open individual listings. OpenTrain is the hiring organization for the roles presented here and candidates apply through OpenTrain. Individual live postings are the authoritative source for eligibility, required skills, work arrangement, and any other role-specific details; review each listing before applying. OpenTrain may place or refer successful applicants to the client whose project they will support.

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

Italian Audio Transcription Evaluator

Join OpenTrain AI to evaluate Italian multi-channel transcriptions and diarization for a high-accuracy dataset; remote, part-time contractor work (20+ hrs/week) that requires native/fluent Italian and experience validating JSON metadata and timestamps.

Audio & Speech
Text
Remote · Worldwide
Italian
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Spanish Audio Transcription Reviewer

Remote contract role reviewing AI-generated Spanish multi-speaker transcriptions, diarization, and timestamps for strict accuracy and metadata alignment; 20+ hours/week, worldwide, intermediate-level work for fluent Spanish reviewers with ASR/QA experience.

Audio & Speech
Audio
Remote · Worldwide
Spanish
Part-time · Flexible
Intermediate level

Posted Jul 17, 2026

Portuguese (Brazil) Audio Transcription Reviewer

Review AI-generated Portuguese (Brazil) transcriptions and diarization for multi-channel recordings, validating timestamps, speaker labels, and verbatim unnormalized speech. Remote, part-time contract role (20+ hrs/week) for entry-level contributors with transcription QA experience.

Audio & Speech
Audio
Remote · Worldwide
Portuguese
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Chemical Reasoning & Discovery Engineer

Join OpenTrain as a remote Chemical Reasoning & Discovery Engineer creating chemistry-focused reasoning datasets and reproducible evaluation rubrics for LLMs. This 8-week, part-time contractor role (~20+ hrs/week) requires 4 hours overlap with PST and is ideal for experienced chemists.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Intermediate level

Posted Jul 17, 2026

U.S. Legal AI Training Expert — Remote Contract

Join OpenTrain to evaluate and annotate AI-generated U.S. legal responses using structured rubrics; requires a J.D. and 3+ years of U.S. practice or teaching. Flexible part-time contract (10–30 hrs/week), ~1 month with possible extension.

Legal & Finance
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Russian Audio QA Specialist

Join OpenTrain as a native Russian Audio QA Specialist to review multi-channel recordings, verbatim transcriptions, timestamps, and metadata for a multilingual audio evaluation dataset; 20+ hrs/week, contractor, remote, worldwide.

Audio & Speech
Audio
Remote · Worldwide
Russian
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Arabic Audio QA Specialist (Remote, Part-Time)

Join OpenTrain as an Arabic Audio QA Specialist to perform final quality checks on multi-channel Arabic recordings and verified transcriptions, working 20+ hours/week remotely. Ideal for native Arabic speakers with a sharp ear for audio fidelity and word-level timestamp accuracy.

Audio & Speech
Audio
Remote · Worldwide
Arabic
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Korean Audio Annotation QA Specialist

Join OpenTrain to review multi-channel Korean audio, verbatim transcripts, timestamps, and diarization for high-accuracy multilingual AI evaluation data; native Korean required, 20+ hours/week, part-time contractor, fully remote.

Audio & Speech
Audio
Remote · Worldwide
Korean
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Japanese Audio Annotation QA Specialist

Join OpenTrain AI as a remote Japanese Audio Annotation QA Specialist to validate multi-channel conversational audio, verbatim transcripts, diarization, timestamps, metadata, and safety checks; requires native Japanese and 20+ hours/week availability.

Audio & Speech
Audio
Remote · Worldwide
Japanese
Part-time · Flexible
Intermediate level

Posted Jul 17, 2026

Small Business AI Response Evaluator

Evaluate AI chatbot responses for small-business scenarios in a 10-week, remote contract with flexible hours. Create prompts, compare multi-model outputs, and submit structured ratings and transcripts — entry-level, 20+ hrs/week, English.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Small Business AI Response Evaluator

Join OpenTrain to evaluate AI chatbot responses for real small-business scenarios, creating prompts, running short conversations, and providing structured feedback that improves models. This 10-week, remote contract is entry-level and requires business knowledge and 20+ hours/week availability.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Spanish (Latam) Voice Actor (Remote, Freelance)

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.

Audio & Speech
Audio
Remote · Worldwide
Spanish
Part-time · Flexible
Entry level

Posted Jul 17, 2026

French Voice Actor (Remote, Freelance)

Record high-quality French voice-overs for AI speech and language training in a flexible, remote contractor role. Ideal for experienced voice actors with a professional home studio and availability for 20+ hours/week.

Audio & Speech
Audio
Remote · Worldwide
French
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Arabic Voice Actor (Remote, Freelance)

OpenTrain AI is hiring an experienced Arabic voice actor to record high-quality, emotionally expressive voice-overs for characters and stories. This flexible, remote contract role expects 20+ hours/week, reliable delivery from a home or studio setup, and the ability to revise reads to direction.

Audio & Speech
Audio
Remote · Worldwide
Arabic
Part-time · Flexible
Intermediate level

Posted Jul 17, 2026

Japanese Voice Actor — Remote Freelance

Flexible freelance role recording Japanese voice-overs for characters, dubbing, and localization; requires a demo reel, professional recording setup, and 20+ hours/week availability. Work remote or in-studio on varied AI training projects through OpenTrain.

Audio & Speech
Audio
Remote · Worldwide
Japanese
Part-time · Flexible
Intermediate level

Posted Jul 17, 2026

Tagalog Analytical Content Reviewer

Work remotely as a Tagalog Analytical Content Reviewer helping fine-tune LLMs: analyze Tagalog text, create reasoning scenarios, and provide detailed annotations. Contract, 20+ hours/week with required overlap to US time zones.

Generative AI & RLHF
Text
Remote · Worldwide
Filipino, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Malay Language AI Analyst — LLM Evaluation

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.

Generative AI & RLHF
Text
Remote · Worldwide
Malay, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Hebrew Language AI Analyst (Remote, Part-Time)

Join OpenTrain AI as a Hebrew Language AI Analyst to improve large language models by summarizing texts, validating claims, and creating reasoning examples. Remote, contractor role for bilingual Hebrew/English contributors offering 20+ hours/week of flexible, entry-level work.

Generative AI & RLHF
Text
Remote · Worldwide
Hebrew, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Turkish Analytical Content Reviewer (Remote Contract)

Work remotely as a Turkish-English content reviewer to improve large language models by analyzing, summarizing, and validating Turkish text; bilingual fluency and strong analytical skills required. Flexible contractor role with 20+ hrs/week expectation and some overlap with UTC-8 hours.

Generative AI & RLHF
Text
Remote · Worldwide
Turkish, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Swedish Analytical AI Trainer (Remote)

Join OpenTrain as a remote Swedish Analytical AI Trainer to help fine-tune large language models through summarization, research-backed validation, and scenario-based analytical tasks; part-time contractor work requiring Swedish and English and 20+ hours/week with some US-hours overlap.

Generative AI & RLHF
Text
Remote · Worldwide
English, Swedish
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Danish Content Analysis AI Trainer

Work remotely as a Danish-language AI trainer: read and summarize long texts, research and validate claims, solve analytical puzzles, and provide clear answers and annotations to improve language models. Contractor role, 20+ hours/week with some overlap to US (UTC-8) hours.

Generative AI & RLHF
Text
Remote · Worldwide
Danish, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Korean-English AI Content Analyst

Work remotely as a Korean-English AI content analyst helping train and evaluate multilingual models through summarization, online verification, reasoning puzzles, and writing clear answers; part-time contractor work starting at 20+ hours/week with flexible scheduling. Entry-level candidates with str

Generative AI & RLHF
Text
Remote · Worldwide
Korean, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Japanese Content Analysis & LLM Trainer

Join OpenTrain to improve LLMs by analyzing Japanese texts: summarize, fact-check, and craft QA scenarios that teach models. Remote part-time contractor role for bilingual Japanese/English contributors, 20+ hours/week with some overlap to US hours.

Generative AI & RLHF
Text
Remote · Worldwide
Japanese, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Dutch-English Analytical Content Reviewer

Work remotely as a Dutch-English Analytical Content Reviewer for OpenTrain: spend 20+ hours/week reading, summarizing, researching, and annotating long-form text to improve language models through evaluation ratings, RLHF, and QA tasks.

Generative AI & RLHF
Text
Remote · Worldwide
Dutch, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Arabic Content Analyst — LLM Training

Join OpenTrain as a remote Arabic Content Analyst to read, verify, and break down Arabic content, craft analytical prompts and model responses, and provide detailed annotations that improve LLM reasoning; bilingual Arabic/English required and this role requires 40 hours/week overlapping US Pacific t

Generative AI & RLHF
Text
Remote · Worldwide
Arabic, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Italian LLM Research Analyst

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.

Generative AI & RLHF
Text
Remote · Worldwide
Italian, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

AI Content Analyst (English/German)

Work remotely as a bilingual English/German AI Content Analyst to summarize long-form content, fact-check claims, and build reasoning scenarios that help train large language models. Flexible contractor, part-time role (20+ hrs/week) with some US-hour overlap.

Generative AI & RLHF
Text
Remote · Worldwide
German, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

French AI Content Analyst (Remote Contract)

Join OpenTrain to help train large language models by reading, summarizing, reasoning, and annotating French and English content. Remote, contractor role requiring bilingual fluency and 20+ hours/week with some US-time overlap.

Generative AI & RLHF
Text
Remote · Worldwide
French, English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Chinese LLM Analyst: Summarization & Question Answering

Join OpenTrain as a remote Chinese-language LLM analyst to summarize long content, validate claims, create training scenarios, and annotate model responses. This part-time contractor role requires strong English and Chinese written skills and 20+ hours/week.

Generative AI & RLHF
Text
Remote · Worldwide
English, Chinese
Part-time · Flexible
Entry level

Posted Jul 17, 2026

Image & Video Annotator — Multimodal Visual Labeling

OpenTrain AI is hiring remote Image/Video Annotators to label short videos and images for multimodal model training—describe scenes, temporal sequences, moods, and validate AI outputs. Entry-level, contractor role requiring strong English, attention to detail, and 20+ hours/week availability.

Image & Video Annotation
Image
Remote · Worldwide
English
Part-time · Flexible
Entry level

Posted Jul 17, 2026

What this work can involve

AI training and data-labeling roles support machine-learning systems by producing, organizing, or evaluating examples those systems use. Postings that match this facet can describe tasks such as annotating images or video, transcribing or labeling audio, rating or editing model outputs, translating text, or applying subject-matter judgment to verify data.

Each posting will specify the exact task, the required languages or expertise, and the expected deliverables; consult the live job description to confirm it explicitly accepts applicants located in Nigeria.

  • Image and video annotation: tagging, bounding boxes, or scene classification.
  • Audio work: transcription, speaker labeling, or audio verification.
  • Text tasks: translation, rating model responses, or extracting information.
  • Domain review: using subject knowledge to confirm factual accuracy or labels.

Transferable skills to look for in postings

Postings list the skills and abilities they require; common examples include strong attention to detail, clear written communication in the task language, and familiarity with a subject area when a role asks for domain expertise.

Compare the skills named in each live posting to your abilities to decide whether to apply.

  • Careful attention to detail and consistency.
  • Clear written communication in the language the task uses.
  • Familiarity with a subject area when a posting requests domain knowledge.
  • Comfort working with guideline-driven tasks as described in a posting.

What to check in a live posting and how hiring works

Every live listing controls whether it accepts applicants located in Nigeria and sets the specific requirements for that role. Inspect each posting for its full task description, required languages or expertise, and any client-specific rules before applying.

Candidates apply through OpenTrain. OpenTrain is the hiring organization for the roles shown here and may place or refer successful applicants to the client whose project they will support; the live posting is the authoritative source for all other role details.

  • Confirm the posting explicitly accepts applicants located in Nigeria.
  • Read the task description and required skills to assess fit.
  • Check any stated language or subject-matter requirements in the listing.
  • Apply through OpenTrain and rely on the live posting for other role-specific details.

Frequently asked questions

What does 'accepts applicants located in Nigeria' mean?
It means the specific job listing indicates it will consider applicants who are located in Nigeria. Eligibility rules vary by posting, so confirm the live job description states location acceptance before applying. Candidates apply through OpenTrain.
Are these roles remote or location-specific?
This facet is for roles described as remote and that explicitly accept applicants located in Nigeria, but the live posting is the authoritative source for the role's stated work arrangement. Review each listing for how the employer describes location and work setup.
What details should I compare across live postings?
Compare the task description, required languages or subject expertise, and any conditions the posting lists about who may apply. The live posting contains the full eligibility and role-specific details; use those to decide whether to apply. Candidates apply through OpenTrain.
How do I apply and who is the employer?
Candidates apply through OpenTrain. OpenTrain is the hiring organization for the roles presented on this site and may place or refer successful applicants to the client whose project they will support. The live posting describes all other role and application details.