Looking for remote AI training or data labeling work while located in Switzerland? These roles are intended for applicants in the country, but each live posting sets its own eligibility and requirements. OpenTrain is the hiring organization for roles presented on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support.
Join OpenTrain to evaluate AI-generated and human-created data science work: design grading criteria, score technical deliverables, and write defensible evaluations. Remote, contract role for experienced data scientists with 20+ hours/week availability and $100–$150/hr pay.
Posted Jul 29, 2026
Use your consulting experience to evaluate AI and human consulting deliverables for real-world projects. Remote, freelance role paying $100–$150/hr with a default 40-hour weekly commitment and flexible part-time options.
Posted Jul 29, 2026
Join OpenTrain as an ML Researcher Evaluation Specialist to assess frontier machine-learning researchers and their publication records for a high-priority pilot; part-time contractor role (20+ hrs/week), remote worldwide, paid $60–$100 USD/hr.
Posted Jul 29, 2026
OpenTrain AI seeks senior civil engineers to design scenario-based evaluation tasks and rubrics for AI used in infrastructure and construction; remote contractor role at $70–$80/hr, ~20+ hours/week. Use PE-level judgment across structural, geotech, water resources, transportation, and construction m
Posted Jul 29, 2026
Join OpenTrain to design evaluation scenarios and rubrics that test AI systems against enterprise mechanical engineering challenges; paid contract work at $70–$80/hr, 20+ hours/week, remote and worldwide. Ideal for engineers with hands-on product design and certification experience.
Posted Jul 29, 2026
Create and evaluate realistic business .xlsx/.docx/.pptx examples and provide side-by-side preference data to improve AI document behavior. Remote, contract role (20+ hrs/week) paying $20–60/hr; entry-level applicants with strong Excel/Office skills welcome.
Posted Jul 29, 2026
OpenTrain AI is hiring a remote Privacy Annotation Specialist to review legal documents for PII and confidential content, validate OCR outputs, and perform QA for AI-driven legal workflows; contract, part-time (20+ hrs/week), $105–$140/hr USD.
Posted Jul 29, 2026
Join OpenTrain AI to train next‑generation models by reviewing and annotating microbiology documents (RLHF and evaluation tasks). Remote, contract, 20+ hours/week; pay $70–$90/hr — ideal for candidates with a BSc+ in microbiology/biology and strong scientific communication.
Posted Jul 29, 2026
Join OpenTrain as a PII Document Review Specialist to classify, annotate, and redact sensitive information in documents; part-time contractor work (20+ hrs/week) with pay from $63–$119/hr (USD), remote and worldwide, English required.
Posted Jul 29, 2026
Join OpenTrain AI to review and annotate technical materials science documents, evaluate AI-generated engineering content, and create domain-specific training scenarios — part-time, remote, and paid $80–$130/hr for ~20+ hours/week.
Posted Jul 29, 2026
Join OpenTrain as an Aerodynamics Expert to review, summarize, and rate advanced aerodynamic and CFD documentation for AI training projects; remote contractor work, 20+ hours/week, $80–$130/hr. Help turn engineering results into high-quality training data for next-generation models.
Posted Jul 29, 2026
Join OpenTrain to help train AI through high-quality Word and PDF review, formatting, and data extraction; remote, contractor work at 20+ hours/week with hourly pay between $20–$55 USD. Ideal for experienced document professionals comfortable with regulated materials and confidentiality.
Posted Jul 29, 2026
Join OpenTrain to design realistic business PowerPoint tasks, collaborate with LLMs to create and edit .pptx files, and evaluate model outputs; contract, remote work at $20–$60/hr with a 20+ hour/week commitment. Apply if you have advanced PowerPoint, Excel, and Word experience.
Posted Jul 29, 2026
Join OpenTrain as a part-time contractor to design reinforcement-learning code environments and expert reference solutions that teach AI to code, debug, refactor, and optimize — paid $50–$150/hr. Remote role with flexible hours; apply with a strong GitHub/GitLab record.
Posted Jul 29, 2026
Join OpenTrain to annotate biological documents and shape AI models in computational biology and medicinal chemistry. Part-time contract work (20+ hrs/week), remote worldwide, $90–$120/hr, focused on classification, entity NER, and evaluation tasks.
Posted Jul 28, 2026
Join OpenTrain as a remote Bioinformatics Scientist to curate and validate drug-discovery datasets, review AI-generated scientific outputs, and deliver written feedback that improves model behavior. Part-time contractor work (20+ hrs/week) paying $90–$120/hr USD depending on experience.
Posted Jul 28, 2026
Join OpenTrain as a remote PhD-level Physics Research and AI Evaluation Specialist—conduct physics research, create educational content, and evaluate AI-generated scientific responses. Part-time contractor role (20+ hrs/week) paying $70–$90/hr.
Posted Jul 28, 2026
Design and evaluate AI-powered enterprise workflows as a Senior Enterprise AI Productivity Specialist — 20+ hours/week, remote worldwide, contractor role paying $80–$150/hr. Build automations, integrations, adoption plans, and business-impact documentation.
Posted Jul 28, 2026
Join OpenTrain as a part-time contractor annotating audio and video for AI training (classification and transcription). Entry-level role, 20+ hours/week, paid USD $6–8/hr — help shape real AI data while working remotely.
Posted Jul 28, 2026
Join OpenTrain as a part-time, remote COBOL Code Analysis and AI Training Specialist and help train AI by interpreting and documenting legacy COBOL systems. Earn $90–$120/hr for 20+ hours/week while turning your COBOL domain knowledge into high-quality training data.
Posted Jul 28, 2026
Join OpenTrain to create AI training data from legacy COBOL codebases as a remote contractor; work 20+ hours/week at $90–$126/hr helping translate mainframe logic into clear documentation, test cases, and model-ready annotations.
Posted Jul 28, 2026
Join OpenTrain as a remote Data Annotator labeling video and audio for AI systems; part-time contract, 20+ hrs/week, $6–$10/hr. No prior AI experience required — attention to detail and strong English are what matter.
Posted Jul 28, 2026
Join OpenTrain AI as a remote Business Analyst to help fine-tune large language models by answering analytical questions, creating scenarios, and labeling text in English and Brazilian Portuguese. Entry-level, contractor role with flexible hours and clear quality targets.
Posted Jul 26, 2026
Review and compare AI-generated responses for professional users, assessing personalization, relevance, accuracy, and helpfulness. This remote contractor role offers flexible part-time work for native-level speakers of German, Japanese, Korean, French, or English.
Posted Jul 25, 2026
Evaluate AI-written business email replies for relevance, accuracy, personalization, and professionalism. Remote, entry-level contract work (20+ hrs/week) reviewing multiple model outputs and writing clear evaluation feedback to improve AI behavior.
Posted Jul 25, 2026
Assess AI-generated reproductions of published ML papers: read papers, inspect code/data/output artifacts, rank reproduction attempts, and provide clear written evaluations. Remote, contractor role for experienced ML researchers — 20+ hrs/week.
Posted Jul 25, 2026
Join OpenTrain as a remote Clinical Medicine AI Evaluation Physician to design and run clinical evaluations that test AI medical reasoning. Flexible contract work (20–30 hrs/week), 1-month engagement with possible extensions; licensed physicians only.
Posted Jul 25, 2026
OpenTrain AI is hiring an Egyptian Arabic voice actor to record and review conversational audio for AI training (20 hrs/week, 1–3 months) paying $30–$65/hr. Ideal for native-dialect performers with studio-quality recording setup and voice-acting experience.
Posted Jul 25, 2026
Record and transcribe Saudi Arabic audio remotely for OpenTrain—part-time, entry-level work with flexible hours and pay ranging $30–$65/hr. Use your phone or microphone to produce clear recordings and accurate transcriptions that help train voice AI.
Posted Jul 25, 2026
Join OpenTrain as a contractor to design adversarial red-team workflows, test SaaS/cloud environments, and evaluate security controls for AI training; remote, flexible, 20+ hrs/week, paid $60–$100/hr.
Posted Jul 25, 2026
AI training work helps prepare and review examples used by artificial-intelligence systems. Depending on the individual role, tasks may include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. For applicants located in Switzerland, the relevant posting will state whether that role accepts applications from the country and explain the work involved.
OpenTrain is the hiring organization for these public roles, and candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Because client and project requirements differ, read the individual posting for the role-specific information before applying.
