Looking for remote AI training or data-labeling work while located in Estonia? 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. AI-training work can include tasks such as labeling images or video, transcribing audio, evaluating model outputs, or translating text; inspect each posting to learn what the role requires.
Join OpenTrain AI as a part-time contractor performing in-app actions and finding information to train reinforcement-learning systems; entry-level, remote, $11/hr, 20+ hours/week using internal tooling and short task instructions.
Posted Jul 22, 2025
Join OpenTrain AI to audit AI-generated Bash scripts: validate code in isolated environments, enforce security and reliability best practices, and coach annotators. Remote contractor role, 20+ hrs/week at $21/hr.
Posted Jul 10, 2025
OpenTrain AI is hiring a Senior PowerShell Code Reviewer to validate annotator reviews of AI-generated PowerShell scripts, running checks in sandboxed environments and giving rubric-based corrections and feedback. Part-time contractor role, 20+ hours/week, $24/hr, remote worldwide.
Posted Jul 10, 2025
OpenTrain AI is hiring senior Go engineers to audit annotator reviews of AI-generated Go code: run snippets in sandboxes, confirm correctness and security, correct mis-ratings, and provide clear, rubric-driven feedback. Remote, contractor, 20+ hrs/week at $24/hr.
Posted Jul 10, 2025
Audit AI-generated JavaScript/Angular submissions by building and running projects, checking functionality, security, performance, and accessibility, and correcting mis-ratings with concise feedback. Remote contractor, 20+ hrs/week at $23/hr; requires 7+ years professional Angular experience.
Posted Jul 8, 2025
Join OpenTrain AI to audit AI-generated TypeScript + React code: compile, run in sandboxes, verify prompt compliance, and correct annotator ratings with clear feedback. Remote, contract, 20+ hrs/week at $25/hr—requires 7+ years of professional TypeScript/React experience.
Posted Jul 8, 2025
Contract, remote role auditing AI-generated Angular (v15+) TypeScript code: verify builds, security, performance, and accessibility; correct mis-ratings and give concise rubric-aligned feedback. 20+ hrs/week, $24/hr — ideal for experienced Angular engineers.
Posted Jul 8, 2025
Join OpenTrain AI to audit AI-generated Node.js code by running snippets in sandboxed containers, correcting mis-ratings, and giving concise feedback to meet security, performance, and quality rubrics — $24/hr, 20+ hrs/week, fully remote.
Posted Jul 8, 2025
OpenTrain AI seeks an experienced Docker-focused code reviewer to validate annotator reviews of AI-generated Dockerfiles and orchestration snippets; $24/hr, 20+ hrs/week, remote contractor role. Run builds in sandboxed VMs, flag issues, and provide concise remediation notes to meet a strict quality
Posted Jul 8, 2025
Join OpenTrain AI to audit annotator reviews of AI-generated C code: compile and run snippets in sandboxed containers, verify correctness under multiple build flags, and enforce security and performance best practices. Part-time contractor, remote, 20+ hrs/week at $24/hr.
Posted Jul 8, 2025
Audit and validate AI-generated C# code by compiling and running snippets in isolated containers, correcting reviewer ratings, and delivering clear, actionable feedback. Part-time contractor role (20+ hrs/week) paid $25/hr for experienced .NET engineers.
Posted Jul 8, 2025
Join OpenTrain AI to audit and correct reviews of AI-generated C++ snippets—compile and run code in sandboxed containers, verify correctness, and provide rubric-based feedback. Remote, contract role — 20+ hrs/week at $25/hr; requires 7+ years professional C++ experience.
Posted Jul 8, 2025
Join OpenTrain to audit AI-generated Java code: compile and run snippets in sandboxed environments, verify correctness, security, and performance, and correct annotator ratings. Remote contractor, 20+ hrs/week at $25/hr; requires 7+ years modern Java experience and strong testing/concurrency skills.
Posted Jul 8, 2025
Audit and correct annotator reviews of AI-generated HTML/CSS, ensuring semantic markup, accessibility, performance, and security. Remote contractor role (20+ hrs/week) for senior front-end specialists with 7+ years’ experience — $23/hr.
Posted Jul 8, 2025
Audit and validate annotator evaluations of AI-generated JavaScript/React code by running proof-of-work checks, verifying execution, and enforcing security and guideline standards. Part-time, remote contractor role (20+ hrs/week) paying $24/hr for experienced React reviewers.
Posted Jul 8, 2025
Join OpenTrain AI as a part-time Senior Python Code Reviewer to audit AI-generated Python snippets in containerized sandboxes; $18/hr, remote, under 20 hrs/week. Bring 7+ years of Python experience and mandatory Docker proficiency to validate correctness, security, and guideline compliance.
Posted Jul 7, 2025
Annotate short soccer video clips by identifying gameplay actions and writing clear 1–2 sentence captions; requires strong soccer knowledge, good English, and attention to detail. Remote, part-time contract work (under 20 hrs/week) at USD 3.50/hour.
Posted Jul 1, 2025
Use an NFC-capable smartphone to extract your passport/e‑ID chip image and upload a set of fresh selfies, profile shots, and older photos plus metadata for an age-estimation dataset; remote, ~1 hour, fixed $5. Must be 18+, hold an NFC-enabled government ID, and follow exact file and metadata rules.
Posted Jun 12, 2025
Annotate short driving videos to help train autonomous vehicle behavior models; select a single frame that best shows a vehicle action. This part-time, remote contractor role requires a valid UK driver’s license, 1–2 years of labeling experience, and 20+ hours/week availability at $17/hr.
Posted Jun 4, 2025
Label short driving video clips to help train autonomous vehicles; select the single frame that best shows a vehicle behavior. Requires a valid German driver's license, 1–2 years of labeling experience, contractor part-time work at $19/hr.
Posted Jun 4, 2025
Annotate brief driving videos to train autonomous vehicle behavior recognition; $18/hr as a part-time contractor. Must have 1–2 years of labeling experience and a valid U.S. driver's license (IDs may be redacted).
Posted Jun 4, 2025
Join OpenTrain AI to review Slovak video transcripts for accuracy in a short paid test project at $9/hr; remote work but you must be based in Slovakia and a native-level Slovak speaker. Successful testers may be invited to ongoing part-time work (under 20 hrs/week).
Posted May 19, 2025
Short paid test project for Swedish native speakers to review video transcripts and mark major/minor/no errors; $22/hr, part-time contractor work based in Sweden with potential to extend for high performers.
Posted May 19, 2025
OpenTrain AI is hiring native Finnish annotators to review video transcripts for transcription errors — $22/hr, part-time contractor work (under 20 hrs/week). This short test project can extend to longer-term work for high-quality contributors.
Posted May 19, 2025
Join OpenTrain AI as a Ruby developer to write and debug Ruby code used to train generative AI models; long-term, remote work with flexible hours. $7/hr, 20–40 hours/week, 6+ months; applicants complete a Ruby coding assessment after applying.
Posted Apr 17, 2025
Short, entry-level audio task: record 100–150 French sentences on an Android phone (about 1 hour) and earn $17.50/hr as a contractor. Submissions are reviewed for authentic male native French (France) pronunciation; only accepted recordings are paid.
Posted Apr 3, 2025
Work remotely as a part-time contractor annotating PDF documents: draw bounding boxes, transcribe English text exactly, describe figures, and convert tables to JSON. Entry-level friendly with C1/C2 English required; $7/hr, under 20 hrs/week.
Posted Mar 31, 2025
OpenTrain AI is hiring native Spanish speakers in Mexico or Argentina to transcribe and label spoken audio for an ongoing project. Remote, part-time contractor work at $6.50/hr with a required commitment of at least 1 hour/day, Monday–Friday, for 1+ year.
Posted Mar 28, 2025
Paid short voice recording for male native Italian (Italy) speakers with an Android phone: record 100–150 short sentences (~1 hour) and earn $17.50/hour; authentic pronunciation will be reviewed before payment.
Posted Mar 28, 2025
Record 100–150 short sentences on an Android phone (about one hour) for a paid audio-collection task open to native UK or US English speakers; pay is $42/hour. Each participant may submit once and recordings are verified for authentic pronunciation.
Posted Mar 28, 2025
Roles that explicitly accept applicants located in Estonia involve human review and preparation of examples used to train or evaluate AI systems. Depending on the individual posting, tasks can include annotating images or video, transcribing or labeling audio, rating or writing model responses, evaluating search results, translating text, or applying subject-matter knowledge to verify outputs. Each listing specifies the exact responsibilities, required languages, and any domain knowledge needed, so candidates should read postings closely to see whether the tasks match their skills and interests.
All applications for roles that accept applicants located in Estonia are handled 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 will support. Eligibility, hours, pay, and other hiring details are set by each posted role, so review the posting for the rules that apply to that opportunity.
