Find remote AI training and data labeling jobs open to applicants in Costa Rica.
Review video frame by frame to mark shot boundaries, identify transitions, group scenes, and label video content. This contract role is worldwide, requires English, and offers flexible part-time work of 20+ hours per week.
Posted Sep 24, 2026
Configure Moodle courses, permissions, gradebooks, assessments, and verification checks for AI model benchmarking. This worldwide contract requires hands-on Moodle administration and 20+ hours per week.
Posted Sep 24, 2026
Create and review FreeCAD mechanical models for AI training, recording accurate modeling steps and testing whether automated checks accept valid designs. Remote, pay-per-task work requires 20+ hours weekly and strong FreeCAD skills.
Posted Sep 24, 2026
Create and verify FreeCAD parts and technical drawings for AI training data. This remote contractor role lasts 5 weeks, offers potential extension, requires 20+ hours weekly, and pays per completed task.
Posted Sep 24, 2026
Complete academic LaTeX, citation, and mathematical formatting tasks while testing document compilation and automated evaluation. This worldwide contract role requires clear English and at least 20 hours per week.
Posted Sep 24, 2026
Create and document realistic Altium Designer PCB workflows for AI training data. This remote contractor role pays $90-$175 per hour and requires 20+ hours per week.
Posted Sep 24, 2026
Review and rebuild executive sales, revenue, and go-to-market presentations for AI training work. Earn $150 to $350 per hour on remote project sprints, with tasks typically taking one to two hours.
Posted Sep 24, 2026
Use Clio to complete and document realistic legal practice management workflows for AI training. This remote contractor role pays $30-$100 per hour and requires 20+ hours weekly.
Posted Sep 23, 2026
Use your Google Analytics experience to complete and document realistic workflows, record demonstrations, and review AI training outputs. This remote contractor project pays $30 to $100 per hour and requires 20 or more hours weekly.
Posted Sep 23, 2026
Review and redline technology contracts, evaluate AI legal responses, and help improve contract-review systems. This remote, part-time contractor role pays $85 to $105 per hour.
Posted Sep 23, 2026
Complete realistic HubSpot CRM and sales workflows, record your process, and create prompts and rubrics for AI system development. This remote contractor role pays $28 to $92 per hour and requires 20 or more hours weekly.
Posted Sep 23, 2026
Build Python connectors, realistic AI agent tasks, and evaluation rubrics for software tools such as Slack, Jira, and Notion. This worldwide contract role requires 20+ hours per week and pays $300 per label.
Posted Sep 23, 2026
Build and validate Python backends, realistic AI agent tasks, and evaluation rubrics in a four-week remote contract. Earn $300 per approved task while working at least 20 hours per week.
Posted Sep 23, 2026
Build Python connectors that mirror common business tools or create realistic tasks and rubrics for testing AI agents. This remote four-week contract pays $300 per approved task, with at least one approved task required each day.
Posted Sep 23, 2026
Use your IT operations and software management experience to build SLA models, incident workflows, dashboards, and quality checks for AI systems. This remote contract runs for up to two weeks and requires PST overlap plus weekend on-call availability.
Posted Sep 23, 2026
Use your Buildium and property management experience to complete workflows, record demonstrations, write prompts, build rubrics, and review AI training data. This remote contractor role pays $28-$92 per hour and requires 20 or more hours per week.
Posted Sep 23, 2026
Use Security Onion to investigate alerts, network traffic, and logs, then create prompts, rubrics, demonstrations, and quality reviews for AI training. This remote contractor role pays $90-$175 per hour and requires 20+ hours weekly.
Posted Sep 23, 2026
Use your Toast POS and restaurant operations experience to review workflows, document order and payment processes, and evaluate AI training tasks. This remote contractor role pays $28 to $92 per hour and requires 20+ hours weekly.
Posted Sep 23, 2026
Review short video and audio clips, rate AI-generated descriptions, and flag unclear or inappropriate content. This flexible remote contractor role pays $8-$10 per hour and requires 20+ hours each week.
Posted Sep 23, 2026
Review and redline technology contracts, assess AI-generated legal responses, and help improve contract-review models. This remote part-time contractor role pays $90-$130 per hour for approved work and requires technology transactions experience.
Posted Sep 22, 2026
Review technology transaction contracts and AI-generated responses as a remote contractor earning $90-$130 per hour. Work 20+ hours weekly with flexible scheduling and use your English-language contract expertise to evaluate model outputs.
Posted Sep 22, 2026
Review corporate and M&A contracts, assess legal AI responses, and help set standards for contract review models. This remote contractor role pays $90 to $130 per hour and requires a U.S. bar admission.
Posted Sep 22, 2026
Use your investment fund contract review expertise to write, assess, and improve AI-generated contract responses. This part-time contractor role pays $90 to $130 per hour and requires fluent English.
Posted Sep 22, 2026
Use your technology transactions experience to redline contracts, review legal AI responses, and set evaluation standards. This part-time contract role pays $90 to $130 per hour and requires at least three years of in-house experience.
Posted Sep 22, 2026
Evaluate how well AI systems handle real software engineering and bug-fixing tasks. Prepare open-source repositories, test code locally, and build rigorous coding evaluation scenarios.
Posted Sep 22, 2026
Create and assess Vietnamese prompts that test retrieval, reasoning, calculations, and instruction following. Review AI responses against clear quality standards in a remote, flexible contract role.
Posted Sep 22, 2026
Create realistic computational life sciences tasks that test AI agents on data analysis, coding, troubleshooting, and scientific reasoning. This contract role requires advanced life sciences research experience and strong Python skills.
Posted Sep 22, 2026
Use advanced BIM and civil or structural engineering experience to create and evaluate drawing sets, models, and IFC files for AI training. This contractor role pays $30 to $50 per hour and requires at least 20 hours weekly.
Posted Sep 22, 2026
Design and validate control systems for AI training, including PID, LQR, MPC, and Kalman filtering. This remote contractor role pays $30-$50 per hour and requires 20+ hours weekly, real hardware experience, and strong Python skills.
Posted Sep 22, 2026
Review and grade robotic arm videos, marking actions, behaviors, and outcomes for AI training. This remote contractor role pays $50 to $90 per hour and requires 20+ hours weekly, with no prior AI experience needed.
Posted Sep 22, 2026
AI training and data labeling work can involve preparing information that helps artificial-intelligence systems learn and be evaluated. Depending on the project, 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 Costa Rica, the relevant posting will state whether the role accepts applications from that country and explain the work involved.
OpenTrain is the hiring organization for roles available through OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. Whether a particular opportunity accepts applicants located in Costa Rica is determined by its individual posting, along with its qualifications and other requirements.
