Find remote AI training and data labeling jobs open to applicants in Sierra Leone.
Design realistic tests for AI agents, define expected behavior, and review model outputs in a structured writing role. Work worldwide for 20 or more hours per week at $18-$24 per hour.
Posted Jan 13, 2026
Transcribe short Korean recordings and review audio for clarity in a flexible, long-term role paying $14 per hour. Plan for about one hour of work each day.
Posted Jan 7, 2026
Transcribe short French recordings from France for $15 per hour, with about one hour of work each day and a flexible schedule. You will also flag unclear audio and mark segments that cannot be understood confidently.
Posted Jan 7, 2026
Create difficult mechanical engineering problems and verified Python solutions to train and evaluate advanced AI models. This part-time contract pays $10 to $45 per hour and requires advanced English and Python.
Posted Dec 12, 2025
Design difficult, realistic data science problems for AI training and evaluation. This part-time contract pays $50 per hour and requires advanced Python, SQL, statistics, machine learning, and technical writing skills.
Posted Dec 3, 2025
Test AI models and agents for security weaknesses, build repeatable red-team tools, and document clear findings. This remote contract pays $40 per hour for fewer than 20 hours per week.
Posted Nov 17, 2025
Annotate recycling images by outlining individual objects with polygons in CVAT and Segment Anything. The role pays $5 per hour and may lead to more work after a successful initial assignment.
Posted Nov 11, 2025
Work remotely as an AI Red Team Engineer testing LLMs, agents, and RAG systems for security weaknesses. This contract role pays $40 per hour and requires C1 English plus hands-on cybersecurity experience.
Posted Oct 6, 2025
Review and improve AI prompts and responses across vehicle dynamics, powertrain, controls, embedded systems, ADAS, and manufacturing. This worldwide contract pays $40 per hour for less than 20 hours per week.
Posted Oct 1, 2025
AI training work can involve preparing or checking the data that helps artificial-intelligence systems perform better. 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. A role included in this search explicitly accepts applicants located in Sierra Leone, but the posting remains the source of truth for the work involved and its requirements.
OpenTrain handles hiring for the public roles available through its site. Candidates apply through OpenTrain, and successful candidates may be placed or referred to the client whose project they will support. Because client projects can have different requirements, use each individual posting for the authoritative details about eligibility, qualifications, hours, pay, and other conditions.
