Open to junior roles and internships · Johannesburg
Katlego Sebona · Junior Full-Stack Developer

I build web and Android apps for healthcare and community organisations.

I'm Katlego Sebona, a junior full-stack developer in Johannesburg. I build web and Android apps for healthcare and community organisations with Next.js, TypeScript, Appwrite and Java, and I'm open to junior roles and internships.

  • Next.js
  • TypeScript
  • Appwrite
  • Java
  • C#
  • SQL
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Portfolio

Projects

Open the live site, watch a short demo or read the code.

View all on GitHub
  • KasiClinix screenshotFeatured

    KasiClinix

    Comprehensive clinic management system designed for healthcare facilities with patient management, appointment scheduling, and billing integration.

    • Next.js
    • TypeScript
    • Appwrite
    Live siteCode
  • MediMatch screenshotFeatured

    MediMatch

    Built a Smart Match Dispatch system using geolocation logic to connect patients with verified practitioners in real-time.

    • Next.js
    • TypeScript
    • Appwrite
    Live siteCode
  • DigiStok screenshotFeatured

    DigiStok

    (V1 prototype): digital stokvel platform for rotational savings groups, designed around USDT stablecoin contributions and smart-contract rules for payout turns.

    • Typscript
    • Supabase
    • Solidity
    • Next.JS
    Live siteCode
  • Moses Silinda Inc screenshot

    Moses Silinda Inc

    Professional law firm website showcasing company portfolio, service offerings, and client inquiry system with case gallery.

    • HTML
    • CSS
    • JavaScript
    Live siteCode
  • EcoPulse screenshot

    EcoPulse

    Financial monitoring dashboard tracking sustainability metrics with real-time environmental data visualization and investor footprint tracking.

    • Java
    • Android SDK
    • XML
    • Appwrite
    Code
  • GiftOfTheGivers screenshot

    GiftOfTheGivers

    Donation and aid distribution platform for humanitarian organizations with volunteer management and real-time tracking dashboard.

    • C#
    • MySQL
    • JavaScript
    • CSS
    Code
Skills

Skills & Technologies

Technologies I've used in the projects above.

Frontend

  • React / Next.js
  • JavaScript / TypeScript
  • HTML / CSS
  • Tailwind CSS

Backend

  • Node.js
  • RESTful APIs
  • C#
  • SQL

Mobile & Database

  • Kotlin (Android)
  • Java
  • Firebase
  • Appwrite

Tools & Platforms

  • Git / GitHub
  • Azure DevOps
  • Agile Collaboration
  • Version Control

Web3 (Blockchain)

  • Solidity
  • Foundry
  • Hardhat
About Me

Turning Vision Into
Digital Reality

K

Katlego Sebona

Software Developer

Johannesburg, South AfricaSince 2020

I'm a dedicated software developer with hands-on experience designing and implementing web and mobile applications. I specialize in React, Next.js, Kotlin, and backend technologies like Appwrite and Firebase, creating solutions that make a real impact.

From healthcare systems to community platforms, I build applications that solve real-world problems. My recent work includes clinic management systems, donation platforms, and financial monitoring dashboards.

Clean, maintainable code

Creative problem solver

Team collaboration

"Technology should solve real problems and improve lives. That's what drives me to build applications that make a difference."

1+

Years Experience

7+

Projects Completed

2+

Happy Clients

95%

Client Satisfaction

Career Path

Work Experience

My professional journey building impactful applications and growing as a developer

No work experience added yet.
Get In Touch

Let's Work Together

Have a project in mind or just want to say hello? I'd love to hear from you.

Email

Kcs888gp@gmail.com

Location

Johannesburg, South Africa

Phone

(064) 670-0111

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Currently Available

Open to full-time opportunities, freelance projects, and interesting collaborations.