Usman Zafar

Machine Learning Intern

Nexus Solutions • Part time

Nov 2025 - Feb 2026 • 3 mos

Supported the design and implementation of AI-driven solutions, working with Python-based ML libraries including TensorFlow and scikit-learn to build and validate predictive models. Participated in the full ML project lifecycle — from data collection and cleaning through model training, evaluation, and deployment preparation. Assisted in developing NLP and computer vision pipelines, contributing to real-world AI application development. Collaborated with senior data scientists and engineers to translate business requirements into technical ML solutions. Maintained and organized project documentation, datasets, and experiment logs to ensure reproducibility and team alignment.

Machine Learning Intern

Arch 360 • Part time

Jun 2025 - Oct 2025 • 4 mos

Assisted in the development and training of machine learning models using Python and relevant ML frameworks, contributing to data preprocessing, feature engineering, and model evaluation pipelines. Analyzed datasets to extract actionable insights, applying statistical techniques and data visualization to support model development decisions. Researched and experimented with state-of-the-art ML algorithms and architectures, documenting findings to inform the team's technical direction. Collaborated remotely with the engineering team on model optimization tasks, improving prediction accuracy through iterative testing and hyperparameter tuning. Prepared technical reports and summaries of model performance metrics for review by senior team members.

Web Developer

Developers Research • Freelance

Apr 2025 - Jul 2025 • 3 mos

Developed and deployed production-ready web applications including e-commerce platforms using React.js, Node.js, and JavaScript, following modern component-based architecture. Built and integrated RESTful APIs to connect frontend interfaces with backend services, ensuring seamless data flow and optimal performance. Contributed to both frontend and backend development cycles, handling UI implementation, server-side logic, and database operations across multiple projects. Identified, debugged, and resolved software defects across codebases, reducing error rates and improving application stability. Collaborated with cross-functional development teams using Git version control and Agile methodologies, participating in sprint planning, code reviews, and daily standups. Wrote clean, maintainable, and well-documented code adhering to industry best practices and team coding standards.