Dickens Nyongesa
@dickensnyongesa
Skilled AI Trainer and Data Annotation Specialist with 2+ years experience.
KenyaWhat I'm looking for
I am a dedicated AI Trainer and Data Annotation Specialist with over two years of experience in the field. My work spans leading AI platforms such as Remotasks, Toloka, and Outlier, where I have honed my skills in training data generation, quality evaluation, and providing constructive feedback for NLP and computer vision models. I pride myself on my ability to balance speed and accuracy, ensuring that the AI systems I contribute to are both ethical and high-performing.
In my current role at Remotasks, I deliver precise image and text annotations for various tasks, including LiDAR and NLP-based projects. My commitment to maintaining a task accuracy rate of over 95% speaks to my attention to detail and dedication to quality. Additionally, I have ranked as a top-tier contributor at Toloka, where I assess AI-generated responses for relevance and appropriateness, further showcasing my expertise in AI evaluation and feedback.
Experience
Work history, roles, and key accomplishments
LLM Feedback Contributor
Outlier AI
Mar 2023 - Present (2 years 3 months)
Evaluated and edited AI outputs for clarity, logical flow, and factual correctness. Supported LLM refinement by rating responses, rewriting prompts, and analyzing model performance. Worked across tasks in summarization, dialogue coherence, and reasoning validation.
Crowdsourced AI Evaluator
Toloka (Yandex)
Feb 2023 - Present (2 years 4 months)
Assessed AI-generated responses for relevance, sentiment, and appropriateness in multiple languages. Flagged content violating policy and ensured search engine and chatbot outputs met user expectations. Ranked in top-tier contributor level based on consistency, speed, and accuracy.
AI Trainer & Annotation Specialist
Remotasks (Scale AI)
Jan 2023 - Present (2 years 5 months)
Delivered precise image and text annotations for LiDAR, 2D/3D, and NLP-based tasks. Contributed to training datasets for autonomous vehicles and conversational AI systems. Completed platform certifications for complex projects involving spatial and semantic tagging.
Education
Degrees, certifications, and relevant coursework
Dickens hasn't added their education
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Tech stack
Software and tools used professionally
Availability
Location
KenyaAuthorized to work in
Job categories
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