Joseph M.

Key Skills

Software

Other

Top Subject Matter

Natural language processing (NLP) for text tasks

Machine learning and NLP for chatbots and recommendation/predictive systems

Ecommerce- products labelling

Top Data Types

Text

Image

Top Task Types

Fine-tuning

Freelancer Overview

Freelance Machine Learning Specialist (Self-Employed). Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal, Proprietary Tooling, and Other. Education includes Bachelor of Science, University of Nairobi (2019) and Certificate, Coursera. AI-training focus includes data types such as Text and labeling workflows including Fine-tuning.

Labeling Experience

Freelance Machine Learning Specialist (Self-Employed)

TextFine-tuning

Freelance work focused on preparing and training NLP transformer models for downstream tasks including text classification, summarization, and generation. The role included dataset curation workflows and ongoing model evaluation to improve output quality and robustness. Annotation and preprocessing steps were used to turn raw text into training-ready datasets for fine-tuning and assessment. • Fine-tuned transformer models for text classification, summarization, and generation. • Built data pipelines that included annotation and preprocessing. • Supported AI model evaluation, bias detection, and performance optimization. • Delivered custom solutions and automated workflows for client needs.

2022 - Present

AI Engineer, Tech Solutions Ltd.

OtherTextFine-tuning

As an AI Engineer, the work involved developing NLP solutions such as chatbots and virtual assistants using trained ML models informed by experimentation. The role emphasized improving recommendation and predictive analytics models through model and hyperparameter experiments, which typically requires labeled datasets for supervised learning. It also included experimentation to optimize efficiency and model performance for deployed AI systems. • Designed and deployed ML models for predictive analytics and recommendation systems. • Conducted experiments with architectures and hyperparameters to improve efficiency. • Implemented NLP solutions for chatbots and virtual assistants. • Worked on training/model development to support production deployment outcomes.

2019 - 2021

Education

Work History