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Remote AI training and data labeling jobs in Lithuania

Searching for remote AI training or data labeling work while located in Lithuania? OpenTrain is the hiring organization for these roles, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support. Review each listing for the exact eligibility, hours, pay, and requirements that apply to your situation.

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

Remote Chemical Safety & Toxicology Expert

Contract role for chemical safety and toxicology experts to evaluate model outputs and documents; $50–$90/hr, 20+ hours/week, with estimated project earnings of $8,000–$14,400. Work remotely for OpenTrain AI to shape how AI systems handle hazardous-chemicals content.

Medical & Health
Document
Remote · Worldwide
English
Part-time · Flexible
Expert level
Hourly · $50–$90/hr

Posted Jun 30, 2026

Business Presentation Consultant

Use expert PowerPoint and business-communication skills to create and evaluate executive-ready presentations that teach AI how to produce polished slide decks. Remote contract, 20+ hours/week, $30–$55/hr for part-time consultants.

Writing & Editing
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$55/hr

Posted Jun 30, 2026

Business Document Review Specialist (Portuguese)

Join OpenTrain to evaluate AI-generated business documents in Portuguese, working remotely 20+ hrs/week as a contractor; assess Excel, PowerPoint and Word deliverables and provide actionable feedback. Pay range: $20–$70 USD/hr (up to $70/hr).

Generative AI & RLHF
Document
Remote · Worldwide
Portuguese
Part-time · Flexible
Intermediate level
Hourly · $20–$70/hr

Posted Jun 30, 2026

Business Document Review Specialist (Korean)

Evaluate AI-generated business documents in Korean across finance, strategy, marketing, and operations. Remote contractor role, $30–$70/hr, 20+ hours/week — use Excel/PowerPoint/Word to test realistic scenarios and give actionable feedback that improves AI outputs.

Generative AI & RLHF
Text
Remote · Worldwide
Korean
Part-time · Flexible
Intermediate level
Hourly · $30–$70/hr

Posted Jun 30, 2026

Japanese Business Document Review Specialist

Work remotely reviewing and improving AI-generated business documents in Japanese—provide structured, professional feedback across finance, strategy, marketing, and operations. Part-time contractor role (20+ hrs/week) paying up to $70/hr for experienced business professionals.

Generative AI & RLHF
Document
Remote · Worldwide
Japanese
Part-time · Flexible
Expert level
Hourly · $30–$70/hr

Posted Jun 30, 2026

French Business Document AI Review Expert

Remote contract role evaluating AI-generated French business documents across finance, strategy, marketing, and operations; 20+ hours/week and pay between $20–$70 USD per hour. Use Excel, PowerPoint, and Word to critique outputs, deliver structured feedback, and help make AI business writing more ac

Generative AI & RLHF
Text
Remote · Worldwide
French
Part-time · Flexible
Entry level
Hourly · $20–$70/hr

Posted Jun 30, 2026

Biosecurity & Synthetic Biology Expert (Remote)

Join OpenTrain as a remote Biosecurity & Synthetic Biology Expert to evaluate AI outputs for biosecurity risk, working ~20 hrs/week on a 1–3 month contract at $50–$90/hr (est. $8k–$14.4k). Use your biorisk and synthetic biology expertise to rate model responses and provide clear, evidence-based feed

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$90/hr

Posted Jun 30, 2026

AI Content Evaluator (Remote, Part-Time)

Join OpenTrain as an AI Content Evaluator to review, score, and annotate AI-generated text using detailed rubrics. Flexible remote contractor role (20+ hrs/week) paying $20–$80/hr, helping improve model accuracy across business, healthcare, legal, and research content.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $20–$80/hr

Posted Jun 30, 2026

AI Response Evaluator (Remote Contract)

Join OpenTrain to score and annotate AI-generated text, working 20+ hours/week as a remote contractor. Help improve model relevance, coherence, and factual accuracy across business, finance, healthcare, legal, and research topics at $20–$40/hr.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $20–$40/hr

Posted Jun 30, 2026

AI Jailbreak & Prompt-Injection Security Expert

OpenTrain AI seeks an adversarial ML / red-team specialist to design safety tests, stress-test LLMs for prompt-injection and tool-use abuse, and build regression suites. Part-time contractor role (remote, 20+ hrs/week) paying USD $50–$90/hr.

Generative AI & RLHF
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$90/hr

Posted Jun 30, 2026

Image Evaluation Specialist (Remote, Part-Time)

Join OpenTrain AI as a remote Image Evaluation Specialist reviewing images against detailed rubrics for $20–$30/hr, 20+ hours/week. Evaluate image quality, flag edge cases, and write concise review explanations to help calibrate AI training datasets.

Image & Video Annotation
Image
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$30/hr

Posted Jun 30, 2026

Research and Document Review Specialist (Remote, Contract)

Join OpenTrain as a contractor to conduct in-depth research, review and prepare Word/PDF documents, and synthesize academic and industry literature for AI training projects; remote, 20+ hours/week, hourly pay up to $55.

Writing & Editing
Document
Remote · Worldwide
English
Part-time · Flexible
Intermediate level
Hourly · $20–$55/hr

Posted Jun 30, 2026

Nuclear & Radiological Security Expert (RLHF Evaluation)

Join OpenTrain AI to define safety standards, escalation protocols, and abstraction frameworks for nuclear and radiological risk evaluation; remote, 20+ hrs/week, $50–$90/hr. Help shape how advanced models handle sensitive nuclear security information.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$90/hr

Posted Jun 30, 2026

Engineering Diagram Graph Annotator

Annotate engineering diagrams as graphs: draw tight bounding boxes for symbols (7 classes plus routing nodes) and label edges (solid/non-solid). Small paid pilot followed by a ~60-sheet batch; tooling experience with Label Studio or CVAT required.

Image & Video Annotation
Image
Remote · Worldwide
Flexible hours
Intermediate level
Fixed price · $499

Posted Jun 30, 2026

Angular Front-End Code Reviewer

Join OpenTrain as a remote Angular code reviewer helping AI learn from expert front-end feedback; contractor, asynchronous work at $30–$90/hr for 20+ hours/week. Apply if you have strong Angular, RxJS, and SCSS/SASS experience and clear written communication.

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$90/hr

Posted Jun 29, 2026

Rust Backend Developer, API & AI Tool Evaluation

Join OpenTrain as a remote, contract Rust backend developer to build and harden REST/GraphQL APIs and run focused evaluations of AI-powered coding tools (Cursor). Part-time role (<20 hrs/week) paying $30–$90/hr for clear, well-documented backend feedback.

Coding & Software
Text
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$90/hr

Posted Jun 29, 2026

Java Backend Engineer, AI Training

Join OpenTrain as a Java Backend Engineer supporting AI system training—build Spring Boot microservices, optimize performance, and deliver high-quality code and documentation. Part-time contractor role, 20+ hrs/week, remote, paid hourly (up to $90/hr).

Coding & Software
Computer Code Programming
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$90/hr

Posted Jun 29, 2026

Business Document AI Review Expert, German Speaker

Remote German-speaking reviewer needed to evaluate and improve AI-generated business documents across finance, strategy, marketing, and operations. Part-time contractor role (20+ hrs/week) with pay up to $70/hr evaluating document quality and delivering structured feedback.

Generative AI & RLHF
Document
Remote · Worldwide
German
Part-time · Flexible
Entry level
Hourly · $20–$70/hr

Posted Jun 29, 2026

Investment Banking AI Reviewer

Contract, part-time remote role reviewing financial models, pitch books, and valuations to train AI; pay $30–$65/hr and 20+ hrs/week. Bring investment banking expertise to improve dataset quality and model outputs.

Legal & Finance
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $30–$65/hr

Posted Jun 29, 2026

Hebrew Transcription Expert (Remote Contractor)

Transcribe and review Hebrew audio to improve AI transcription models in a remote contractor role paying $20–$35/hr for 20+ hours/week. Ideal for fluent Hebrew speakers experienced in correcting machine transcripts, tagging metadata, and delivering organized batches.

Audio & Speech
Audio
Remote · Worldwide
Hebrew
Part-time · Flexible
Entry level
Hourly · $20–$35/hr

Posted Jun 28, 2026

Mathematics Expert (PhD), Advanced Math Reviewer

OpenTrain seeks a Mathematics Expert (PhD) to write and review advanced mathematics prompts, model answers, and evaluations; part-time remote contract (~20 hrs/week) for 1–3 months at $80–$90/hr. Strong math background and clear written explanations required.

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

Posted Jun 28, 2026

Excel Data Review Specialist

Use expert Excel skills to review and improve complex business spreadsheets, design templates, and produce instructional case studies for AI training. Remote contract, 20+ hours/week, $40–$55 USD/hour (English required).

Writing & Editing
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$55/hr

Posted Jun 28, 2026

Electrical Systems AI Reviewer

Join OpenTrain AI as a remote, part-time contractor to review electrical schematics, wiring diagrams, and field documentation to help train next-generation AI—20+ hours/week, $40–$50/hr. Provide technical ratings and clear explanations to improve model outputs.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Jun 28, 2026

Chemistry Expert (PhD), Advanced AI Training

Join OpenTrain as a Chemistry Expert (PhD) to write and review high-quality chemistry answers, create benchmark responses, and shape AI behavior. Part-time, remote work (20+ hrs/week) paying $80–$90/hr; English required, worldwide applicants welcome.

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

Posted Jun 28, 2026

CAD Review Specialist, AutoCAD Expert (Remote)

Join OpenTrain as a remote CAD Review Specialist to annotate and evaluate 2D/3D AutoCAD designs that train AI systems; contractor, part-time role paying $20–$70/hr with 20+ hours/week and estimated project earnings of $3,200–$11,200.

General Annotation
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $20–$70/hr

Posted Jun 28, 2026

Business Operations Analytics Specialist

Part-time remote contractor role helping train AI systems by writing, reviewing, and rating business-operations content; $50–$60/hr, ~20 hrs/week for 1–3 months with estimated earnings of $8,000–$9,600. English fluency and real-world business analytics experience required.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $50–$60/hr

Posted Jun 28, 2026

Business Intelligence Excel Consultant

Join OpenTrain AI as a remote Business Intelligence Excel Consultant to review large Excel-based datasets, improve model outputs, and provide clear, stakeholder-ready feedback; $40–$50/hr, 20+ hours/week.

Generative AI & RLHF
Document
Remote · Worldwide
English
Part-time · Flexible
Entry level
Hourly · $40–$50/hr

Posted Jun 28, 2026

Chinese Business Document Review Specialist

Evaluate AI-generated business documents in Chinese—review Excel, PowerPoint and Word deliverables for accuracy, clarity, and professional polish, provide structured feedback across finance, strategy, marketing and operations, and help improve AI outputs. Remote contract; 20+ hrs/week; $20–$70/hr.

Generative AI & RLHF
Document
Remote · Worldwide
Chinese
Part-time · Flexible
Intermediate level
Hourly · $20–$70/hr

Posted Jun 28, 2026

Biology Expert, AI Training & Model Evaluation

Join OpenTrain to apply your biology expertise to train and evaluate AI models: write expert responses, review model outputs, and provide clear scientific feedback. Remote, part-time contractor work paying $80–$90/hr for roughly 20 hours/week over 1–3 months.

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

Posted Jun 28, 2026

Arabic (MSA) Transcription & Annotation Specialist

OpenTrain AI is hiring fluent Modern Standard Arabic transcribers to produce and correct high-accuracy audio transcriptions, add metadata, and provide quality feedback. Remote contract role, 20+ hours/week, pay $10–$20 USD/hour.

Audio & Speech
Audio
Remote · Worldwide
Arabic, English
Part-time · Flexible
Entry level
Hourly · $10–$20/hr

Posted Jun 28, 2026

What this work can involve

Roles open to applicants located in Lithuania cover a range of AI-training tasks that support machine-learning models. Work can involve annotating or labeling images, video, or text; transcribing or recording audio; writing, rating, or comparing model responses; evaluating search results; translating or reviewing language content; or applying subject-matter knowledge to verify outputs. Each posting defines the specific responsibilities, quality expectations, and any domain focus, so inspect individual listings before you apply.

  • Annotation and labeling: bounding boxes, segmentation, tags, or structured metadata for visual or textual data.
  • Speech and language tasks: transcribing, translating, recording audio, or rating model responses by relevance and accuracy.
  • Evaluation and review: judging search results, checking content for correctness, or comparing model outputs against examples.

How hiring works through OpenTrain

All applications for these roles are submitted through OpenTrain. OpenTrain is the hiring organization for the public roles on this site and may place or refer successful candidates to the client whose project they support. Individual postings list the eligibility rules, required qualifications, hours, schedule, and pay, so use each live posting as the source of truth for what a role requires.

  • Apply through OpenTrain to be considered for any role shown on this site.
  • OpenTrain may place or refer hired candidates to the client managing the project.
  • Check each posting for location rules that specifically accept applicants located in Lithuania.

Frequently asked questions

What can this work involve?
AI training and data labeling work for roles accepting applicants located in Lithuania can involve many kinds of tasks that help train or evaluate machine-learning systems. Examples include marking objects or features in images and video, transcribing or recording speech, translating or rating text, writing or rating responses a model produced, and checking search results or data quality. The exact responsibilities, required skills, and domain focus vary by posting, so read each job listing for the tasks and quality standards it specifies before applying.
Where can I find role-specific details?
Every role’s live posting is the authoritative source for eligibility, qualifications, hours, schedule, pay, location rules, and any client-specific requirements. Do not assume any particular shift, compensation model, or qualification set applies across listings. Review the individual posting to confirm whether it explicitly accepts applicants located in Lithuania and to see the full set of requirements for that assignment.
How does hiring work through OpenTrain?
OpenTrain is the hiring organization for the roles shown on this site, and candidates apply through OpenTrain. Successful applicants may be placed by OpenTrain or referred to the client whose project they will support. For any role you’re interested in, rely on the individual posting for precise hiring and eligibility details and submit your application through OpenTrain as directed in the listing.