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Remote AI training and data labeling jobs in Belarus

Looking for remote AI training or data-labeling work while located in Belarus? 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 accept applicants in Belarus can involve tasks used to teach and evaluate machine learning systems; inspect each live posting for the exact duties, eligibility, hours, and pay before you apply.

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

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

Chemistry Reasoning Evaluator (BS/MS/PhD)

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.

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

Posted Oct 24, 2025

Biology Reasoning Evaluator (PhD)

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.

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

Posted Oct 24, 2025

Physics Reasoning Evaluator (BS/MS/PhD Required)

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.

Generative AI & RLHF
Video
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $80/hr

Posted Oct 24, 2025

Math Reasoning Evaluator, Advanced Math Assessment

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.

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

Posted Oct 24, 2025

Python Engineer, AI Coding-Tool Evaluation (Part-Time)

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.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $100/hr

Posted Oct 17, 2025

Frontend UI Developer, React/Next/Svelte (Part‑Time)

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.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25/hr

Posted Oct 6, 2025

AI Red Team Engineer, LLM Security & Pentesting

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.

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

Posted Oct 6, 2025

Automotive Engineering QA & AI Trainer (Python Required)

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.

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

Posted Oct 1, 2025

Scene Cut Annotation, Temporal Segmentation for YouTube Videos

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.

Image & Video Annotation
Video
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $4/hr

Posted Sep 14, 2025

Narrative Video Caption Writer (English, Dialogue & Emotion)

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.

Writing & Editing
Video
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $25/hr

Posted Sep 14, 2025

Guitar Fretboard Image Annotation (Label Studio)

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.

Image & Video Annotation
Image
Remote · Worldwide
Flexible hours
Entry level
Fixed price · $500

Posted Sep 8, 2025

Data Scientist, Mathematical Statistics (Python)

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.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25/hr

Posted Sep 3, 2025

Data Analytics & Visualization Specialist (Python, Dash)

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.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25/hr

Posted Sep 3, 2025

Mandarin AI Content Annotator (Singapore, C1 English)

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.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $12/hr

Posted Sep 2, 2025

Voice & Voicemail Recording, European Languages

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.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Entry level
Fixed price · $30

Posted Aug 26, 2025

Polygon Segmentation Annotator (SAM Allowed)

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.

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

Posted Aug 25, 2025

AI Code Reviewer, Python, JavaScript/TypeScript, Rust, Ruby

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.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Aug 1, 2025

Elementary English Language Arts Curriculum Annotator

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).

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $35/hr

Posted Jul 31, 2025

What this work can involve

For applicants located in Belarus, AI training and data labeling work can include a mix of hands-on annotation, review, and content evaluation tasks that help train models. Exact responsibilities vary by posting and may call for language skills, visual or audio review, or subject-matter judgement. Always read the individual role to confirm what the job requires.

  • Annotation and labeling: tagging images, video, text, or audio to mark objects, intent, or other features for model training.
  • Evaluation and rating: judging model outputs, ranking alternatives, or scoring responses for quality and relevance.
  • Transcription and language work: converting speech to text, translating or reviewing translations, and checking language quality when a posting lists the language requirement.

How hiring works through OpenTrain

All applications for roles shown on OpenTrain go through OpenTrain; OpenTrain is the hiring organization and may place or refer successful candidates to the client whose project they will support. Each live posting is the only source of truth for eligibility, qualifications, schedule, hours, pay, and any client-specific rules.

  • Apply through OpenTrain; the live posting lists the role's eligibility and requirements.
  • OpenTrain hires and may place or refer successful candidates to the client project.
  • Check each posting for details about hours, pay, location rules, and required skills before applying.

Frequently asked questions

What can this work involve?
Work that accepts applicants located in Belarus can involve many different tasks used to build and refine AI systems. Examples include labeling images or video frames, transcribing or classifying audio, rating conversational responses, checking translations, or applying subject knowledge to verify content. The specific task set, required tools, and the skills needed are defined in each individual posting, so review the posting to confirm what the role will ask you to do.
Where can I find role-specific details?
Role-specific details, such as who is eligible to apply, required qualifications, working hours, pay, schedule, and any client rules, appear only in the individual live posting. Read that posting carefully because it is the authoritative source for what the job requires and how the project operates.
How does hiring work through OpenTrain?
Hiring for these openings is handled through OpenTrain: candidates apply through OpenTrain, and OpenTrain is the hiring organization for the roles listed. OpenTrain may place or refer successful candidates to the client whose project they will support. For any questions about eligibility or role specifics, consult the individual posting.