AI & Data Professional - Web Developer, Remote-ready

STEPHEN OYUGI NYARANGI

Nairobi, Kenya Remote (Open to all time zones)

074*-***-*** ️ ************@*****.***

GitHub: github.com/oyugi01

PROFESSIONAL SUMMARY

Motivated and detail-oriented AI & Data Professional / Web Developer with strong hands-on experience in Python, data analysis, automation, machine learning, and web technologies. Skilled in transforming raw data into valuable insights, creating machine-learning pipelines, building web applications, and supporting AI systems through annotation and data preparation. Highly adaptable self-learner with professional certification training, real project implementation, and a strong track record of independent problem-solving. Proven ability to work remotely with international teams, manage workloads across time zones, and deliver consistent high-quality technical output.

CORE SKILLS & TECHNICAL STACK

Programming & Development

● Python (Data Analysis, Automation, Scripting)

● JavaScript, HTML, CSS

● Flask & Django (Backend)

● React (Frontend)

Data & AI

● Data Analysis & Reporting

● Data Cleaning & Pre-processing

● Machine Learning Models

● Feature Engineering

● Pandas, NumPy, Scikit-learn

● Dataset Annotation & Validation

● Model Testing and Evaluation

Database Management

● MySQL

● PostgreSQL

● SQL Query Optimisation

Engineering Tools

● Git & GitHub (Version Control)

● REST APIs

● Web Scraping

● Workflow Automation

● Debugging & Code Review

Professional Skills

● Remote collaboration

● Task prioritisation

● Analytical thinking

● Attention to detail

● Written communication

● Continuous learning mindset

PROJECT EXPERIENCE (GitHub Portfolio)

github.com/oyugi01

Data Analytics Projects

● Built Python scripts to analyse datasets and generate insights

● Cleaned raw data using Pandas & NumPy

● Created visual data summaries

● Automated reporting workflows

Machine Learning Projects

● Developed models using Scikit-learn

● Performed feature selection and training

● Evaluated model performance with accuracy metrics

● Implemented predictive scripts

Web Development Projects

● Designed websites using HTML, CSS, and JavaScript

● Built backend APIs with Flask

● Created dynamic interfaces using React

● Implemented authentication and database connections Automation & Python Tools

● Created Python automation scripts

● API integration projects

● Web scraping applications

● Task schedulers and batch scripts

AI Data Annotation

● Image and text labelling

● Dataset QA and validation

● Training set optimisation

● Annotation accuracy improvement

CERTIFICATIONS & TRAINING (Online Professional

Education)

● AI & Machine Learning Certification

● Data Analysis with Python

● SQL and Database Management

● Web Development (HTML, CSS, JS, React)

● Automation with Python

● Git & GitHub Professional Training

● API Development

● Cloud-based development workflows

● AI System Testing & Evaluation

(Certificates obtained through structured online programmes and project-based learning.) WORK EXPERIENCE

Remote Freelancer — Data, AI & Web Projects

Remote Ongoing

● Delivered data processing and automation solutions

● Worked on web development and backend APIs

● Contributed to AI testing and annotation tasks

● Applied problem-solving skills to real-world projects AVAILABILITY

Remote work

Flexible across all time zones

Full-time / Contract / Freelance

LANGUAGES

● English (Professional)

● Swahili (Fluent)

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