Located in Greece and exploring AI-training or data-labeling work? 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. These listings accept applicants located in Greece and involve tasks used to teach and evaluate machine-learning systems; inspect each live posting for the specific eligibility, hours, pay, qualifications, and any client requirements that apply.
Annotate robotic surgery video in Supervisely for a part-time, fully remote contractor role applying segmentation, bounding boxes, keypoints, and object tracking; strong attention to detail and medical familiarity required. Pay range $15–$32/hr (hourly rate listed $22/hr); expect ~20+ hrs/week.
Posted Jul 12, 2026
Join OpenTrain AI as a part-time contractor building reinforcement-learning environments that teach models to fix, refactor, and optimize real code; flexible remote work up to $150/hr, under 20 hours/week.
Posted Jul 12, 2026
Join OpenTrain as a remote Data Annotation Generalist working 20+ hours/week on English text classification projects; entry-level contributors with strong attention to detail and communication skills are encouraged to apply for $30–$80/hr (USD).
Posted Jul 11, 2026
Join OpenTrain AI as a Video Annotation AI Trainer to label short video clips for model training—work remotely 20+ hours/week and earn $40–$80 per hour while building a verifiable portfolio in a fast-growing field.
Posted Jul 11, 2026
Join OpenTrain to implement C++ checker solutions during a live competitive programming contest — $45–$65/hr, 20+ hrs/week, one-time live participation with estimated project earnings of $7,200–$10,400. Remote, contractor-friendly role for skilled C++ competitive programmers.
Posted Jul 11, 2026
Join OpenTrain AI as a remote Architect CAD and Construction Documentation Reviewer—work 20+ hrs/week creating and reviewing CAD drawings, GD&T callouts, electrical schematics, and PCB layouts to train next-generation AI; $40–$50/hr, worldwide, English required.
Posted Jul 11, 2026
Label short video clips for event classification and precise timestamping in a flexible, remote contractor role. Work 20+ hours/week with pay from $40–$80/hr, using strong attention to detail and English to produce high-quality training data.
Posted Jul 11, 2026
Build C++ checkers and test suites that validate complex competitive-programming submissions for next-generation AI training. Remote, contract role for strong competitive programmers who can design problems, write reference solutions, and document edge-case logic.
Posted Jul 11, 2026
Design RL environments that test AI models on original competitive programming problems by building C++ checkers, reference solutions, and robust test suites. Remote, part-time contractor role (20+ hrs/week) paying $45–$65/hr for English speakers worldwide.
Posted Jul 11, 2026
Join OpenTrain as a Video AI Training Specialist to analyze, annotate, and evaluate video data that helps shape next-gen AI. Remote, contract role paying $65–$80/hr for 20+ hours/week; no prior AI experience required if you have professional video production skills.
Posted Jul 11, 2026
Use your native Gujarati and LLM experience to evaluate AI responses and write clear English feedback that improves model behavior. Remote contractor role, 20+ hours/week, $15–$20/hr.
Posted Jul 10, 2026
Join OpenTrain to evaluate AI-generated Japanese music—lyrics, vocal quality, and production—by rating and annotating samples with a detailed musical taxonomy. Remote contractor role, bilingual Japanese/English required, expected 20+ hrs/week and competitive hourly pay.
Posted Jul 10, 2026
OpenTrain AI is hiring Assamese evaluators to review model responses for accuracy, reasoning, clarity, tone and completeness — remote contract, 20+ hrs/week, $15–$20/hr. Native Assamese and strong English writing required.
Posted Jul 10, 2026
Join OpenTrain as a remote, part-time Kannada evaluator reviewing AI-generated Kannada responses for factual accuracy, reasoning, tone, and guideline adherence. Flexible schedule, 20+ hrs/week, $15–$20/hr — native Kannada and strong written English required.
Posted Jul 10, 2026
Record high-quality French voice samples to train and evaluate text-to-speech systems; contractor, remote work at $50/hr. Native or native-level French speakers with voice-acting experience and a pro recording setup are encouraged to apply for a 20+ hrs/week role.
Posted Jul 10, 2026
Evaluate AI-generated French-language music for lyrics, vocal quality, musicality, production, and structured song annotations; part-time contract role paying $30–$60.48/hr with immediate start and a typical commitment of 20+ hours/week.
Posted Jul 10, 2026
Use your building-code and permitting expertise to review and label construction documents for AI systems, in a flexible remote contract role paying $65–$90/hr. Starts at 5 hours/week with part-time contractor status.
Posted Jul 10, 2026
Evaluate Marathi AI-generated responses and write clear English evaluation notes to improve model outputs. Remote contract role, 20+ hrs/week, $15–$20 USD/hour — ideal for Marathi natives with LLM experience and strong analytical writing.
Posted Jul 10, 2026
OpenTrain AI is hiring a Malayalam-speaking evaluator to review AI-generated Malayalam responses for accuracy, reasoning, clarity, tone, and completeness, then write clear English assessments. Contract, remote, 20+ hrs/week, $15–$20/hr.
Posted Jul 10, 2026
OpenTrain is hiring a Network Data Annotation Engineer to label production network logs, configs, telemetry, and incident patterns for AI model training. Remote contractor role, $50–$70/hr, 30–40 hours/week; you must have Tier 3/Principal network troubleshooting and wireless experience.
Posted Jul 10, 2026
Evaluate AI-generated Spanish (MX) music by rating musicality, lyrics, vocals, and production while annotating genre, song structure, and vocal/instrumental traits. Remote, part-time contract paying $13.01–$54/hr for up to 6 months with a 20+ hour weekly commitment.
Posted Jul 10, 2026
Join OpenTrain AI to evaluate and annotate Indonesian-language AI-generated music and lyrics — part-time remote work, 20+ hrs/week, up to 6 months, pay $11.42–$20.55/hr. Use your music production and audio-engineering expertise to rate musicality, vocals, lyrics, and mixes.
Posted Jul 10, 2026
Create technically rigorous single-choice questions and answer rationales for mechanical engineering AI training. Remote contractor role, 20+ hrs/week, $50–70/hr (typical $70/hr); MS or PhD in Mechanical Engineering required.
Posted Jul 10, 2026
Join OpenTrain AI to design and review technical multiple-choice questions and rubrics that train and evaluate electrical-engineering models. Remote, asynchronous contractor work at $60–$80/hr for 20+ hours/week, focused on technical accuracy and pedagogical quality.
Posted Jul 10, 2026
Remote Software Engineer Code Reviewer for OpenTrain AI: spend 20+ hrs/week creating and reviewing Go, Python, and TypeScript code samples, unit tests, docs, and prompts to help train and evaluate AI; contractor pay $80–$100/hr, worldwide, English required.
Posted Jul 10, 2026
Collect synchronized smartphone IMU and first-person video for AI training in a part-time contractor role; entry-level, $10/hr, under 20 hrs/week, remote for applicants in eligible European countries. Hands-free recording and careful adherence to technical protocols required.
Posted Jul 10, 2026
Build pixel-perfect responsive web components from design screenshots and style guides using TypeScript and CSS3 in a remote contract role. 20+ hrs/week, $40–50/hr; strong English communication and ability to work independently required.
Posted Jul 9, 2026
OpenTrain seeks an expert Senior Webflow Developer to build and optimize responsive Webflow sites part-time (under 20 hrs/week). Earn $35–$50/hr converting Figma to production, managing CMS, creating animations, improving SEO/CRO, and automating workflows.
Posted Jul 9, 2026
Join OpenTrain to train next-generation coding assistants by running, evaluating, and documenting agent-driven software workflows. Part-time remote contract work (20+ hrs/week) paying $70–$126/hr for hands-on technical testing, code review, and process documentation.
Posted Jul 9, 2026
Create realistic business documents and evaluate AI-generated responses to improve how models handle professional scenarios; remote contractor role paying $35–$50/hr with a ~20+ hour/week commitment.
Posted Jul 9, 2026
Work open to applicants located in Greece can cover a range of tasks used in AI development and evaluation. Tasks can include creating labeled data for images or video, transcribing or reviewing audio, rating model responses, checking search or recommendation outputs, localizing or translating content, and applying subject knowledge to judge correctness. Exact duties and definitions of acceptable work are set in each individual posting.
OpenTrain is the hiring organization for roles that accept applicants located in Greece, and candidates apply through OpenTrain; OpenTrain may place or refer successful candidates to the client whose project they support. Every live posting is the authoritative source for role-specific eligibility, qualifications, hours, pay, schedule, and any client rules.
