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Lewis O.

Lewis O.

NLP & Prompt Engineer · Senior

Kenya · Rate on request

Professional Overview

I’m a data annotator and AI data specialist with around 3 years of experience working on AI and machine learning projects. My experience includes image and text annotation, data labeling, quality assurance, data verification, and content evaluation. I’ve worked on projects involving image classification, bounding boxes, annotation correction, face verification, and comparing driver profile photos with daily selfies. I’m comfortable following detailed guidelines, identifying inconsistencies, correcting inaccurate labels, handling repetitive data tasks with accuracy, and maintaining quality standards. I also have experience working with annotation and verification tools, meeting production targets, and adapting to updated project guidelines. My main strengths are attention to detail, analytical thinking, consistency, data accuracy, decision-making, teamwork, and following instructions. I’m particularly interested in remote opportunities involving AI training, data annotation, AI evaluation, content evaluation, and data quality.

Areas of Expertise

NLP & Prompt Engineering

Build natural language processing systems, fine-tune large language models, and craft reliable production prompts for AI-powered products.

AI & Machine Learning Engineers

Design, train, and ship production ML models — from data pipelines to model inference at scale. Covers supervised learning, neural networks, LLM integration, and model optimisation.

Data Science & Analytics

Extract business insights from raw data using statistical modelling, predictive analytics, A/B testing, and interactive dashboards.

Open to

Freelance Full-time Contract

Skills

Computer Vision llm fine-tuning Prompt Engineering ai agents

Experience Level

Senior

Current location

Kenya

Time Zone

Nairobi UTC+3

Primary Work Language

English

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