Based in Nairobi, Kenya

John
Gichaga

Mathematics & Computer Studies Teacher
Freelancer · Problem Solver · Educator

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John Gichaga — Mathematics & Computer Studies Teacher
2 Years Teaching

About Me

A Reliable Educator,
A Skilled Problem Solver

I am a dedicated Mathematics and Computer Studies teacher with a passion for making complex ideas accessible. Whether in a classroom, online, or on a freelance project, I bring precision, patience, and a practical mindset to everything I do.

Beyond teaching, I help individuals and small businesses with spreadsheet solutions, basic Python scripting, graphic design, and IT support — bridging the gap between education and real-world technology needs.

  • ✓
    Consistent, punctual, and results-driven
  • ✓
    Clear communicator with students and clients alike
  • ✓
    Always learning — committed to professional growth

What I Do

Skills & Expertise

∑

Mathematics Tutoring

From secondary school algebra to advanced calculus — I simplify concepts and build real understanding.

Expert
⌨

Computer Studies

Teaching hardware, software, networking, databases, and programming fundamentals in a clear, structured way.

Expert
🐍

Python Programming

Scripts, automation, data manipulation, and beginner-to-intermediate projects with clean, readable code.

Intermediate
⊞

Spreadsheet & Data Analysis

Excel formulas, pivot tables, automated reports, dashboards, and data cleaning for informed decisions.

Advanced
◈

Graphic Design

Clean visuals, posters, educational materials, and simple branding with attention to layout and clarity.

Proficient
⚙

IT Support

Troubleshooting, device setup, software installation, and general tech support for homes and small offices.

Advanced

What I Offer

Services

Available for online and in-person engagements. Clear deliverables, fair pricing, on-time results.

01

Online Tutoring

One-on-one and group tutoring sessions for Mathematics and Computer Studies, tailored to your curriculum and pace.

Get Started →
02

Academic & Assignment Support

Help with homework, assignments, exam prep, and understanding difficult concepts across STEM subjects.

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03

Spreadsheet Solutions

Custom Excel templates, automated calculations, data reports, dashboards, and data cleaning for individuals and businesses.

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04

Basic Programming Tasks

Simple Python scripts, automation tools, file processing, and beginner-level code projects.

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05

IT Troubleshooting & Support

Device diagnostics, software setup, virus removal, network configuration, and general tech assistance.

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06

Graphic Design

Educational posters, school materials, simple logos, flyers, and visual content with a clean, professional look.

Get Started →

My Work

Projects & Portfolio

Spreadsheet · Data Analysis

Student Performance Tracker

An Excel workbook that tracks students' grades across subjects, auto-computes averages, generates progress charts, and flags students needing attention — saving teachers hours of manual work.

Excel Pivot Tables Charts
Python · Automation

Secure Password Generator

A Python command-line tool that generates strong, customisable passwords based on length and character preferences, with options to save them to a local encrypted file.

Python CLI
Productivity · Education

Study Timetable Generator

A smart timetable generator that helps students create balanced study schedules based on subjects, available time, and priorities. Automatically distributes study sessions, prevents overload, and improves time management for exams.

HTML JavaScript Logic Design
firebase · React

Student Cash Management System

A full-stack banking-style cash management system built for boarding schools. Teachers securely hold and manage student funds, recording deposits and withdrawals with real-time balance tracking. Built with React, Firebase Authentication, and Firestore — featuring role-based access for admins and teachers, full transaction history, and CSV export reports.

Javascript React
Spreadsheet · Reporting

Business Expense Report Template

A ready-to-use Excel expense tracker with automated monthly summaries, category breakdowns, and printable reports — designed for freelancers and small business owners.

Excel Automation
Graphic Design · Education

Classroom Visual Aids

A set of professionally designed posters and infographics covering core mathematics and computer studies concepts — created for classroom display and student handouts.

Design Education

Get In Touch

Let's Work
Together

Whether you need a tutor, a spreadsheet built, tech support, or any of my other services — I'd love to hear from you. Get in touch and I'll respond promptly.

📞
Phone 0114 094 974
✉
Email johngichaga8@gmail.com
📍
Location Nairobi, Kenya

I usually respond within 24 hours.

✓

Message Sent!

Thank you for reaching out. I'll get back to you shortly.

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