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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

Korean–English Localization & LQA Specialist

Part-time contract role for Korean–English localization experts based in South Korea: evaluate and improve AI-generated Korean outputs using MQM/LQA, CAT workflows, and terminology management. Up to 20 hrs/week at $27/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $27/hr

Posted Dec 19, 2025

Japanese–English Localization & LQA Specialist

OpenTrain AI is hiring an experienced Japanese–English localization and LQA specialist to evaluate AI-generated translations, correct outputs, and rate responses using structured criteria. Part-time contractor (remote, worldwide) under 20 hrs/week at $30/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $30/hr

Posted Dec 19, 2025

Spanish–English Localization & LQA Specialist (Spain)

Part-time contractor role for Spain-based localization professionals to evaluate and improve AI-generated Spanish (Spain) outputs; $24/hr, under 20 hrs/week. Requires native/nearly native Spanish, C1+ English, 5+ years localization experience, and strong MQM/LQA and CAT-tool skills.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $24/hr

Posted Dec 19, 2025

German–English Localization & Translation Specialist

OpenTrain AI seeks a Germany-based contract localization expert to evaluate and improve AI-generated German outputs. Part-time (up to 20 hrs/week) work using MQM/LQA and CAT-tool workflows at $35/hr — ideal for seasoned localization professionals.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $35/hr

Posted Dec 19, 2025

Chinese (Simplified)–English Localization & LQA Specialist

OpenTrain seeks an experienced Chinese (Simplified)–English localization and LQA specialist to review and improve AI-generated translations. Part-time, remote contractor role (worldwide), under 20 hrs/week at $24/hr.

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $24/hr

Posted Dec 19, 2025

Bash & PowerShell Engineer, Script Review & Automation

Evaluate AI-generated Bash and PowerShell scripts: find bugs, security risks, and portability issues; rate responses and author model solutions. Mid‑senior US‑based contractors with 2–3+ years of scripting experience, Bachelor's required — part‑time up to 20 hrs/week at $40/hr.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Dec 19, 2025

Polish Data Annotator, Remote, Part- or Full-Time

Annotate Polish text, audio, and images for AI training at $20/hr—verify transcriptions, tag entities, and apply sentiment and semantic labels. Flexible remote contractor roles for full-time (8 hrs/day) or part-time (min 20 hrs/week).

Translation & Localization
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $20/hr

Posted Dec 18, 2025

Dutch Native Two-Person Conversation Recording

Record five short Dutch conversations with another speaker (about 1.5 hours total) and earn a fixed $100 payment; four street-style and one in-car scenario. Fully remote and open worldwide — all recordings must be completed before Monday.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $100

Posted Dec 17, 2025

AI Data Annotation Specialist

Join OpenTrain AI as a part-time contractor annotating programming and related datasets; this remote role is open to Indian nationals based in India, requires a Bachelor's in Computer Science or related and expert annotation skills, and offers a fixed USD 10 payment with under 20 hours/week expected

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Expert level
Fixed price · $10

Posted Dec 17, 2025

Automotive CAN Signal Dataset Generator

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.

Data Collection
Document
Remote · Worldwide
Flexible hours
Intermediate level
Fixed price · $2000

Posted Dec 15, 2025

Mechanical Engineering AI Trainer, Python Required

Join OpenTrain AI to train and evaluate advanced models by writing computational mechanical engineering problems and verified Python solutions. Part-time, remote work (under 20 hrs/week) for candidates with BSc+1yr or MSc/PhD and C1 English—paid up to $45/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $10–$45/hr

Posted Dec 12, 2025

Native Malay Dictionary Proofreader (Remote Contract)

Proofread Malay dictionary entries: confirm Malay words, correct spellings, and fix phonemic pronunciations using a specified phoneme set. Remote contract for native Malay speakers with ~3+ hours/day availability; paid $6 per 1,000 words (project budget $100).

Translation & Localization
Text
Remote · Worldwide
Part-time · Flexible
Expert level
Fixed price · $100

Posted Dec 10, 2025

Architectural Floor Plan Segmentation Labeler

Label polygon masks and occupancy types on architectural floor-plan images using Roboflow to train a room-detection segmentation model. Part-time contractor work, remote worldwide — pay $10/hr, about 20+ hours/week.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $10/hr

Posted Dec 5, 2025

Financial Document Collection & Annotation Specialist

Create anonymized financial document + structured JSON ground-truth pairs to help benchmark and evaluate AI models; contractor, part-time, fixed-price $300, remote worldwide. Intermediate applicants with retail wealth-management familiarity are strongly encouraged to apply.

Legal & Finance
Document
Remote · Worldwide
Part-time · Flexible
Intermediate level
Fixed price · $300

Posted Dec 5, 2025

10-Question Survey for AI Trainers

Share your experience training AI by answering ten open-ended questions about pay, job security, workplace, and the highs and lows of this work. Open worldwide to people who have worked in AI training; part-time contractor project with a fixed price of $0 USD.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $0

Posted Dec 5, 2025

Senior Data Science Task Designer (Python & SQL)

Design and implement realistic, end-to-end data science problems used to train and evaluate advanced AI systems. Senior quantitative candidates with 5+ years of hands-on data science, expert Python and strong SQL skills, paid $50/hr as a part-time contractor.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $50/hr

Posted Dec 3, 2025

Video Moment Annotation For Food Clips

Annotate cooking and food videos by marking precise start/end times for actions, classifying action types and objects, and writing visually grounded descriptions for CLIP training. Contract, remote, worldwide work paid at $0.05 per labeled moment using Label Studio.

Image & Video Annotation
Video
Remote · Worldwide
Flexible hours
Entry level
Per task · $0.05/label

Posted Nov 19, 2025

NBA Game Video Labeler, Watch Games and Log Events

Watch NBA games and earn $0.20 per recorded in-game event; OpenTrain provides a paid streaming subscription and a simple template so you can label plays using our internal tool. Part-time contractor work, under 20 hrs/week, open worldwide.

Image & Video Annotation
Video
Remote · Worldwide
Part-time · Flexible
Entry level
Per task · $0.2/label

Posted Nov 18, 2025

AI Red Team Engineer, LLM Security

Join OpenTrain AI to red-team large language models and agents, building reproducible attack tests, automation, and security tooling. Part-time remote work for certified cybersecurity professionals with strong scripting and pentesting experience, flexible hours, pay up to $55/hr.

Generative AI & RLHF
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $40/hr

Posted Nov 17, 2025

Volleyball Action Image Labeler

Join OpenTrain AI to label volleyball actions in images (spike, block, serve, set, receive) using CVAT. Entry-level, part-time contractor work paid per label ($0.03), remote and flexible — under 20 hours/week with examples and guidelines provided.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Per task · $0.03/label

Posted Nov 16, 2025

Volleyball Bounding-Box Image Labeler

Label volleyballs in rally images using CVAT for a one-time, flexible task paid at $0.04 per label; open to entry-level contributors worldwide with less than 20 hours/week commitment.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Per task · $0.04/label

Posted Nov 14, 2025

Smartphone Screen Defect Segmentation

Annotate 200 high-resolution (20MP) smartphone front-screen photos to segment surface defects (scratches, pits, cracks, blemishes, discoloration). Entry-level, part-time contractor work using Label Studio — pre-annotations provided, remote worldwide, $2/hr, <20 hrs/week.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $2/hr

Posted Nov 14, 2025

Portuguese QA Annotator, C1+ European Portuguese, B2+ English

Join OpenTrain as a part-time, contract Portuguese QA Annotator reviewing Portuguese AI outputs for quality, correctness, and guideline alignment. Flexible hours (<20 hrs/week), $15/hr, must reside in Portugal with C1+ European Portuguese and B2+ English.

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

Posted Nov 12, 2025

Italian QA Annotator (C1 Italian, B2 English)

Italy-based contract role reviewing and scoring Italian AI outputs — C1+ Italian and B2+ English required. Flexible part-time work (<20 hrs/week) with $17/hr pay; audit labels, tag entities and sentiment, write reviewer notes, and suggest guideline improvements.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $17/hr

Posted Nov 12, 2025

Polygon Segmentation Annotator, CVAT & Segment Anything

Annotate recycling images by outlining individual objects with polygons using CVAT and the Segment Anything interactor; entry-level, remote contractor work paid at $5/hr. Start with a small paid trial and earn more by meeting speed and accuracy targets.

Image & Video Annotation
Image
Remote · Worldwide
Flexible hours
Entry level
Hourly · $5/hr

Posted Nov 11, 2025

PPE Image Annotation Specialist (Object Detection & Polygon)

Join OpenTrain AI to annotate images for a PPE-detection model—create precise bounding boxes and polygon masks across eight classes using Roboflow. Fixed-price contractor role: $2,000 total, fully remote and open worldwide to expert labelers.

Image & Video Annotation
Image
Remote · Worldwide
Flexible hours
Expert level
Fixed price · $2000

Posted Nov 4, 2025

Financial Chatbot Labeler, PFM, Function-Calling & SQL

Annotate conversational banking data for an AI financial advisor: intent labels, merchant/transaction categories, assistant-response evaluation, function-call tagging, and SQL-safety checks. Contractor project (remote worldwide) using AWS SageMaker; fixed-price $2,000.

Generative AI & RLHF
Text
Remote · Worldwide
Flexible hours
Intermediate level
Fixed price · $2000

Posted Oct 30, 2025

Label Buttons and Icons in Product Photos

Join OpenTrain AI to label buttons and icons in product photos using bounding boxes and polygons; this entry-level, remote contractor role pays $0.05 per labeled item. Work on small batches of images in Label Studio — flexible, part-time work that helps train real machine-learning systems.

Image & Video Annotation
Image
Remote · Worldwide
Flexible hours
Entry level
Per task · $0.05/label

Posted Oct 27, 2025

Frontend Web Developer, JavaScript/TypeScript (React/Vue/Angular)

Remote contract role building polished, responsive web UIs — 17–20 hrs/week, $35/hr. You must have 2–6 years frontend/full‑stack experience, strong JS/TS with React/Next.js/Vue/Angular, and a public live portfolio link to apply.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $35/hr

Posted Oct 27, 2025

Company Profile Data Annotator

Join OpenTrain AI as a remote contractor verifying and annotating company records (name, jurisdiction, website, directors, shareholders, revenue range, payment types) using careful human research and Excel highlights; $15/hr, intermediate-level, worldwide.

General Annotation
Text
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $15/hr

Posted Oct 27, 2025

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.