Data Annotator – Onsite Role in Nairobi

About the role

We are seeking reliable and detail‑oriented Data Annotators to join our team at Stalwart Tech Solutions in Gachie, Kiambu County. The role involves reviewing video footage and labeling specific activities, events or behaviours to support machine‑learning models used in the dairy farming industry.

Key responsibilities

• Review assigned video clips and other visual data.
• Identify and label specified activities, objects, events, or behaviours according to provided instructions.
• Use a web‑based annotation platform to complete tasks.
• Maintain high accuracy and consistency while meeting deadlines.
• Report unclear cases or technical issues to supervisors.
• Participate in training, quality reviews and feedback sessions.

Required profile

• Comfortable using a computer with basic computer skills.
• Good written and spoken English to understand instructions.
• Strong attention to detail and ability to perform repetitive tasks accurately.
• Reliability, punctuality and willingness to work onsite.
• Ability to work independently and as part of a team.

What we offer

• Comprehensive training before and during the project.
• Practical experience in data annotation and technology‑based work.
• Clear working procedures and ongoing guidance.
• Opportunity to develop accuracy, computer and data‑handling skills.
• Potential for continued work as the annotation team expands.