Velaphi's Portfolio

This is my portfolio where I document my journey!

Velaphi Thamsanqa Nkosi

Velaphi Thamsanqa Nkosi

I am an analytical, tech-driven professional specializing in data science, with expertise in Python, Microsoft Power Platform, Power BI, and Excel. Passionate about transforming data into impactful solutions, I am eager to contribute to innovative, fast-paced environments.

“Your passion is your power—build something meaningful.”

📍 Based in Johannesburg, South Africa

🎓 Education

  • Postgraduate Diploma in Data Science, University of Witwatersrand (2025)
  • Postgraduate Diploma in Science Innovation and Entrepreneurship, University of Witwatersrand (2024, Distinction)
  • Bachelor of Science in Biological Science, University of Witwatersrand (2020–2023)

📜 Certificates

  • Computer Science Diploma
  • Data Fundamentals Certificate
  • Fundamentals of Data Analysis using Power BI
  • Artificial Intelligence Fundamentals
  • Cybersecurity Fundamentals Certificate
  • Fundamentals of Sustainability and Technology

🤝 Volunteering & Leadership

  • Development Team Member – DevSoc, University of Witwatersrand (2025): Building and maintaining DevSoc's website and digital tools, collaborating to drive innovation in the student tech community.
  • First Year Experience Mentor (2025): Mentoring first-year students, supporting their academic transition, personal development, and leadership growth.
  • Student Assistant (2025): Assisted 1,200+ students weekly, managing high-volume registration inquiries and handling up to 100 students at once during peak hours.
  • Volunteer (2024): Managed logistical aspects of food distribution, strengthening organizational and teamwork skills.

💡 Skills

  • Python, Power BI, Microsoft Power Platform, Excel
  • Web Development (HTML, CSS, JavaScript)
  • Data Analysis & Machine Learning
  • Problem Solving & Critical Thinking
  • Teamwork & Collaboration
  • Adaptability & Continuous Learning
  • Time Management & Accountability
  • Emotional Intelligence & Empathy
Velaphi Portfolio Chatbot

My Projects

Applynova

A platform that automates the process of applying for jobs via email.

View website View video Listen to Ai podscast discussion of applynova

Bitcoin Predicting Model

A machine learning model predicting Bitcoin price fluctuations.

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Queue Management System

Developed a queue management system using data analysis to improve service delivery and operational efficiency.

Automated tasks using Python and deployed on Render.

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DataClean Pro

Clean, analyze, and visualize data effortlessly with AI-powered insights.

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Word of the Day App

A simple app that fetches and displays a new word daily to enhance vocabulary.

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Productivity-Tracker

A task management web app built for better productivity.

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Microsoft Power Apps Challenge

Used Power Automate, Canvas, Model-Driven, Power BI integration

View video

My Trading Bot

A trading bot built using various algorithms and strategies.

View video

📖 My Books Library

Here are some insightful books that have shaped my thinking!

The Power of Now

Teaches that peace comes from living fully in the present.

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⭐ Rating: 4.5/5

Atomic Habits

Shows how small, consistent changes lead to remarkable personal growth.

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⭐ Rating: 4.5/5

Broke Millennial

Helps young adults manage their money and build lasting wealth.

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⭐ Rating: 4.5/5

How To Win Friends and Influence People

Teaches lasting strategies to enhance communication and strengthen relationships.

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⭐ Rating: 4.5/5

See You at the Top

Promotes personal growth and success via self-belief, goal setting, and positivity.

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⭐ Rating: 4.5/5

The 5AM CLUB

PAdvocates rising early to boost productivity, focus, and growth.

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⭐ Rating: 4.5/5

The 7 Habits of Highly Effective People

Teaches character-based habits for personal and professional success.

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⭐ Rating: 4.5/5

The 48 Laws of Power

Reveals strategies for gaining and maintaining influence in social and professional life.

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⭐ Rating: 4.5/5

The Richest Man In Babylon

Shares timeless financial wisdom through parables about saving, investing, and building wealth.

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⭐ Rating: 5/5

The-lessons-of-history

Distills key patterns of civilization to reveal timeless insights about human nature and society.

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⭐ Rating: 4.5/5

The-subtle-art-of-not-giving-a-fuck

Advocates focusing on what matters by embracing struggles and setting better goals.

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⭐ Rating: 4.5/5

Think And Grow Rich

Highlights the power of thoughts, belief, and persistence in achieving success.

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⭐ Rating: 4.5/5

📽️ Videos I’ve Watched

Here are some inspiring videos that have shaped my learning and thinking.

Jim Rohn – Success & Personal Development

The Lifting Power of True Humility

Price for New Dimensions

The Seeing Eyes

Grace Called Favor

The Value of Encounters

📄 My CV

Here is an overview of my professional experience and skills.

👨‍💻 Skills

🎓 Education

Postgraduate Diploma in Data Science (2025) - University of Wiwatersrand

Postgraduate Diploma in SCience Innovation and Entrepreneurship (2024) - University of Wiwatersrand

Bachelor of Biological Sciences (2020-2023) - University of Wiwatersrand

Contact: 0818232670

Email: nkosivelaphi81@gmail.comes

LinkedIn: View LinkedIn

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🚀 My Hobbies

Here are some of my favorite activities that keep me inspired and energized.

Jogging

🏃 Jogging

I enjoy jogging to clear my mind and stay fit. Running in the mornings is refreshing and helps me start the day with energy!

Coding

💻 Coding

Building projects, solving problems, and creating new ideas—coding is both a passion and a skill for me.

Reading

📚 Reading Books

I love diving into books on self-improvement, history, and technology. A good book can change the way you see the world.

Explore My Bookshelf
Searching

🔎 Searching & Research

I'm naturally curious! Whether it's deep-diving into tech trends or learning something new, I enjoy discovering fresh insights.

Watching Inspirational Videos

🎥 Watching Inspirational Videos

These videos keep me motivated! Lessons from great minds push me to grow and improve.

Watch My Favorite Videos
Gym

🏋️ Gym & Fitness

Training helps me stay disciplined, build strength, and feel good physically and mentally.

📜 My Certificates

Here are some of the courses and programs I've completed through online learning:

Diploma in Computer Science

🔗 View Credential

Fundamentals of Sustainability and Technology

🔗 View Credential

Artificial Intelligence Fundamentals

🔗 View Credential

Python for Data Science

🔗 View Credential

Data Fundamentals

🔗 View Credential

Data Analysis Using Python

🔗 View Credential

Data Visualization Using Python

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Cybersecurity Fundamentals

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Explorations into Mindfulness

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Hadoop Foundations – Level 1

🔗 View Credential

Fundamental Data Analysis using Power BI

🔗 View Credential

FNB App Academy

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