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Bernard Syengo

@bernardsyengo

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Experienced AI Trainer passionate about NLP, data labeling, and improving model performance.

Kenya

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What I'm looking for

Seeking remote or hybrid roles in AI training, including Swahili AI projects, with a focus on NLP, data labeling, image annotation, Large LLM language training, and model improvement; open to competitive compensation based on experience.

Senior AI Trainer has 4+ years’ of experience designing, implementing, and delivering AI model training programs in NLP, computer vision, and virtual assistant systems. Experienced and passionate about data labeling, model validation, curriculum development, and cross-functional interaction. Established success in increasing the accuracy/competency of models by 15-35 %, as well as guiding teams towards improvements in effectiveness.

Experience

Work history, roles, and key accomplishments

Lead AI Training Specialist

Google AI

Feb 2023 - May 2025 (2 years 3 months)

Designed and provided training schemes for large-scale LLMs and conversational agents, increasing model response accuracy by 20%. Managed data annotation pipelines (20M+ examples), provided with high-quality tags, and drafted elaborate annotation guidelines.

AI Model Training & Development Data Labeling & Annotation NLP Python TensorFlow AWS

AI Trainer / Machine Learning Engineer

Facebook AI Research

Jul 2022 - Jan 2023 (6 months)

Developed reinforcement-learning units as recommendation systems and improved user interaction by 25%. Automated pipelines are used to prepare datasets, saving time by 30%.

Machine Learning Reinforcement Learning Data Pipelines Python PyTorch Keras

AI-Powered Virtual Assistant Trainer

Outlier Corporation

Jan 2021 - Dec 2022 (1 year 11 months)

Trained and optimized conversational AI models on virtual assistant platforms by increasing voice recognition performance by 15%. Reviewed user engagements and feedback to refine the classification of intent and conversational sequence.

Conversational AI Virtual Assistant Voice Recognition Data Annotation API Integrations API Integration

Education

Degrees, certifications, and relevant coursework

Mt. Kenya University

Master of Science, Computer Science – Natural Language Processing & AI

2021 - 2023

Focused on advanced topics in Computer Science, specializing in Natural Language Processing and Artificial Intelligence. Gained expertise in developing and implementing AI-driven solutions.

Egerton University

Bachelor of Science, Computer Science

2017 - 2021

Completed a comprehensive curriculum in Computer Science, building a strong foundation in computational principles and programming. Developed problem-solving skills applicable to various technological challenges.