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OpenTrain AIFor AI Companies

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

Bilingual Arabic–English LLM Safety Evaluator

Join OpenTrain AI as a remote, part-time contractor to evaluate and label LLM outputs in Arabic and English, focusing on safety and adversarial behavior. This role requires 20+ hours/week and pays $15–$40/hr while you assess, annotate, and document unsafe or sensitive model responses.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$40/hr

Posted Apr 3, 2026

Bilingual Arabic-English AI Quality Reviewer

Join OpenTrain AI as a remote, part-time contractor reviewing and producing high-quality Arabic–English AI training content; requires a BA/BS, native Arabic, C1 English, and 3+ years of bilingual review or localization experience. 20+ hrs/week; pay $6–$12/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $6–$12/hr

Posted Apr 3, 2026

Biology AI Content Evaluator (BS Required)

Use your biology training to evaluate and improve AI-generated biological answers in a remote contractor role. Requires a BS (or higher) from a top-100 university, strong biological reasoning, and C1-level written English; competitive hourly pay ($25–$55/hr).

Generative AI & RLHF
Text
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $25–$55/hr

Posted Apr 3, 2026

Medical AI Content Reviewer (MD / Healthcare Expert)

Join OpenTrain AI to review and create high-quality clinical and public-health content for AI models — remote, part-time contractor role (under 20 hrs/week) paying $25–$72/hr (posted $60/hr). Ideal for clinicians, nurses, and public-health professionals with strong clinical reasoning.

Medical & Health
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $25–$72/hr

Posted Apr 2, 2026

AI Infrastructure Automation Engineer

Join OpenTrain AI to evaluate and improve AI-driven infrastructure automation: generate prompts, rate DevOps runbooks, and assess self-hosted platforms. Part-time contractor role requiring 2+ years DevOps experience, annotation/Q A skills, English B2+, 20+ hrs/week, $15–$45/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Low-Code Developer, Automation & JavaScript

Train and evaluate AI on complex automation workflows using Make.com or n8n and custom JavaScript. Part-time contractor role (20+ hrs/week) for experienced low-code developers who can design production workflows, integrate APIs/webhooks, and perform rubric-based LLM evaluation and RLHF.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Integration Developer, API Specialist

Join OpenTrain AI to train and evaluate AI systems on API integration scenarios, working remotely 20+ hours/week with pay from $15–$45/hr. You will design prompts, review LLM-generated integration plans and payloads, and test robustness across REST APIs, webhooks, and SaaS connectors.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

AI Workflow Engineer, LLM Integration & Prompt Engineering

Build and refine LLM-powered automation pipelines: design prompts, integrate APIs, evaluate model outputs, and improve reliability for content and outreach flows. Part-time contractor role (20+ hrs/week) paying $15–$45/hr; intermediate-level experience required.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

n8n Workflow Developer, Self‑Hosted Automation

Build and evaluate advanced n8n automations to train AI systems on reliable, scalable workflows; contractor role, 20+ hrs/week, paid $15–$45/hr (USD). Ideal for engineers with self‑hosted n8n, Docker, API integration, and rubric-based evaluation experience.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

No-Code Automation Specialist (Zapier/Make.com)

Use your Zapier/Make.com expertise to design, test, and evaluate no-code automations while training and reviewing AI outputs. Part-time contractor role (20+ hrs/week), English B2+, 2+ years with Zapier/Make; pay $15–$45/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$45/hr

Posted Mar 29, 2026

Quantitative Finance Problem Author (Python)

Design computational, research-style quantitative finance problem sets and validate solutions in Python for AI training. Part-time contractor role (20+ hrs/week), pay per hour $15–$60, requires a degree, 2+ years quant experience, and strong Python skills.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Statistics Expert, Python Problem Design & Reproducible Solutions

Design research-style computational statistics problems and produce fully reproducible Python solutions for use in AI training. Remote contractor role (20+ hrs/week) paying up to $60/hr USD; Bachelor's degree and 2+ years professional statistics experience required.

Writing & Editing
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Computational Biology Problem Designer (Python Required)

Design and verify original, research-grade computational biology problems using Python and standard bioinformatics libraries. Part-time contractor role (20+ hrs/week) for candidates with a Biology degree and 2+ years' computational biology experience; pay varies by project up to $60/hr.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Computational Chemistry Problem Designer (PhD Required)

PhD-level computational chemist needed to design research-grade problem sets that require advanced physical and quantum chemistry reasoning and Python-based validation. Part-time contractor work (20+ hrs/week) with hourly pay up to $60 and compensation tied to task complexity.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Computational Physics Problem Designer (Python)

Design original, research-style computational physics problems and deliver fully reproducible Python solutions for part-time, project-based work. Requires 2+ years research/teaching experience, advanced scientific Python skills, and strong written English — 20+ hrs/week, $15–$60/hr.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mathematics Expert, Python Computational Problem Designer

Design original, research-style computational math problems and provide reproducible Python solutions for OpenTrain AI; 20+ hrs/week, contractor, $15–$60/hr. Requires a math degree, 2+ years relevant experience, and strong Python/NumPy/SciPy/SymPy skills.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Expert level
Hourly · $15–$60/hr

Posted Mar 29, 2026

Mechanical Engineering Problem Author (Python Required)

Write original computational mechanical-engineering problem sets and deliver fully reproducible Python solutions using NumPy, Pandas, and SciPy; part-time contractor role (20+ hrs/week) with pay up to $50/hr. CV in English required; some locations are restricted.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Electrical Engineering Problem Author (Python Required)

Author and verify original electrical engineering computational problems using Python and scientific libraries for OpenTrain AI; part-time contractor role (<20 hrs/week) requiring an EE degree and 2+ years' professional or teaching experience.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

Civil Engineering Problem Author (Python Validation)

Design original civil/computational engineering problems and verify reproducible solutions using Python to create high-quality training data for generative models. Part-time contract (20+ hrs/week), up to $50/hr; requires a Civil Engineering degree, 2+ years relevant experience, and strong written E

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15–$50/hr

Posted Mar 29, 2026

US Driver's License Image Annotator (Bounding Boxes)

Annotate fields on images of US driver's licenses (names, DOB, address, portrait, signature, and more) using Label Studio. Entry-level, remote, part-time contract work worldwide; pay listed at $5/hr (range $1–$7/hr), under 20 hrs/week.

Image & Video Annotation
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $1–$7/hr

Posted Mar 24, 2026

Creative Web UI Designer, No-Code Landing Pages

Design and build high-converting landing pages and brand storefronts using no-code platforms (Shopify, Webflow, Squarespace, WordPress). Part-time contractor role (<20 hrs/week) with hourly pay ($10–$25/hr, typical $20/hr); strong portfolio with live links required.

General Annotation
Image
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $10–$25/hr

Posted Mar 11, 2026

Document and Email Data Extraction Reviewer

Review AI-extracted records from PDFs, emails and scanned files: confirm, correct, fill missing fields, and flag ambiguities for escalation. Part-time contractor role, $12/hr, under 20 hours/week — ideal for people with invoices, orders, or logistics experience.

General Annotation
Document
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $12/hr

Posted Mar 3, 2026

Fine-Tune C++ JUCE Audio DSP Model, Dataset Curation & QLoRA

Join OpenTrain to build a supervised fine-tuning dataset and run QLoRA on Qwen3-Coder for JUCE/C++ audio DSP. This contract role requires expert JUCE/DSP experience to extract code from 40+ repos, craft 3,000–5,000 ChatML examples, and fine-tune with Unsloth.

Coding & Software
Computer Code Programming
Remote · Worldwide
Part-time · Flexible
Expert level
Fixed price · $1000

Posted Feb 27, 2026

Vibecode Specialist - Web Scraping & Data Extraction

Join OpenTrain AI to build end-to-end Python scraping pipelines and deliver clean structured datasets (CSV/JSON/Sheets). Remote, 20+ hrs/week at $20/hr; you must have hands-on experience with dynamic/JS-rendered sites and B2+ English.

Coding & Software
Text
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $20/hr

Posted Feb 26, 2026

Remote Voice Actor, US English Recording

Record high-quality US English speech samples to train and evaluate AI speech systems for $30/hr. This contractor role is remote and requires professional recording equipment and native or near-native US English pronunciation.

Audio & Speech
Audio
Remote · Worldwide
Flexible hours
Intermediate level
Hourly · $30/hr

Posted Feb 22, 2026

AI Quality Analyst, Text Prompt & Response Reviewer

Review AI prompts and model responses, labeling for accuracy, relevance, clarity, and safety in a flexible remote contract role. Entry-level position paying $5/hr for under 20 hours per week with clear guidelines, examples, and random quality audits.

Generative AI & RLHF
Text
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $5/hr

Posted Feb 22, 2026

French ARPABET Phoneme Transcription Specialist

OpenTrain AI seeks native-level French speakers to produce ARPABET phoneme- and word-level transcriptions for 1–2 minute audio clips. This remote, contract role requires 20+ hrs/week, passing a qualification quiz, and pays $18–$20 USD/hour.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $18–$20/hr

Posted Feb 20, 2026

Local Face Data Collection Teams, Contract $25–30/hr

OpenTrain AI seeks experienced local teams to run on-the-ground facial image collection projects; part-time contractor work pays $25–30/hour for under 20 hours/week. Teams must demonstrate prior offline face-collection experience and basic English.

Data Collection
Image
Remote · Worldwide
Part-time · Flexible
Entry level
Hourly · $25–$30/hr

Posted Feb 6, 2026

Native Japanese Transcriber, 1 hr/day, Remote (Japan Only)

OpenTrain AI seeks native Japanese speakers in Japan to transcribe short audio clips and verify audio quality; long-term, flexible schedule (~1 hour/day, Mon–Fri) at $15/hr. Must follow strict guidelines and complete a short screening sample.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $15/hr

Posted Feb 5, 2026

Native Italian Transcriptionist, Italy, 1 hr/day

Join OpenTrain to transcribe short Italian audio clips for a long-term, flexible role (~1 hour/day, Mon–Fri). Work remotely from Italy using Labelbox, complete a short screening sample, and earn $11/hr while helping train speech AI.

Audio & Speech
Audio
Remote · Worldwide
Part-time · Flexible
Intermediate level
Hourly · $11/hr

Posted Feb 5, 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.