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AJ Labs is a digital workshop where curiosity meets creativity. We love experimenting with new technologies and building tools that bring real meaningful changes. This is where ideas are prototyped, developed, and brought to life.

AJLabs projects

Quick Kode

QuickKode is an open-source mobile app that makes mobile money easier to use.With QuickKode, you can:

  • Run mobile money transactions through a smooth mobile app experience.
  • Keep a history of your transactions for easy reference.
  • Add labels and notes to track spending better.
  • Monitor your balance and transaction fees in one place.
Learn more
Quick Kode preview

FirePreview

FirePreview is an open-source desktop app, built with Go (Wails) and React, for previewing and managing Firebase Firestore. With FirePreview, you can:

  • Connect to a Firebase project with a service account key, or to the local Firestore emulator.
  • Browse collections and documents in a clean table view.
  • Query collections and inspect document data as JSON.
  • Bulk delete documents in a few clicks.
Learn more
FirePreview preview

Meet the founder

Hi, I'm Jean Luc Abayo 👋

Founder, AJLabs

Jean Luc Abayo speaking at an event

I'm a Senior Software Engineer based in Kigali, Rwanda, working across full-stack web and mobile development, DevOps and system architecture.

Most of my work is about putting technology in the hands of people who need it most: farmers on basic phones, saving groups, families paying bills with mobile money. That means building offline-first, simple to use and fast on affordable hardware.

  • 8+ years
  • Web & mobile
  • USSD
  • DevOps
  • System architecture

I'm open to

  • Open-source contributions: building in the open and contributing to projects that make tools better for everyone.
  • Helping NGOs: turning their ideas into software that works for the people they serve.
  • Collaboration: working together on a project, an idea or a problem worth solving.
View my CV Get in touch

Projects worked on

  • Tupande

    Current

    A mobile app and USSD service farmers use to find their nearest shop, reserve farm inputs and pay with mobile money, serving 6M farmers across 10 countries.

    • One Acre Fund
    • 6M farmers
    • 10 countries

    Countries:Kenya

  • Digital Weather Advisory

    Current

    Weather insight for every step of the farming journey: what's coming and what to do, or not do, based on each farmer's location and what they're growing. Delivered by SMS and in-app notifications, and available on USSD.

    • One Acre Fund
    • SMS
    • In-app
    • USSD

    Countries:Kenya · Burundi · Rwanda · Nigeria · Uganda · Zambia

  • UrubutoPay

    A payment platform backed by Bank of Kigali that lets schools, NGOs, shops and institutions accept MTN Mobile Money, Airtel Money, cards and USSD, with instant settlement to a bank account or wallet.

    • BK TecHouse
    • MTN
    • Airtel
    • USSD
    • Bank of Kigali

    Countries:Rwanda

  • GoVolunteer

    Full-stack development on Germany's platform that connects volunteers with nonprofits, from one-off tasks to long-term roles, locally or from home.

    • Codeshift
    • 1.2M volunteers
    • 3.9K organisations
    • 9K+ projects

    Countries:Germany

  • Save

    A savings and credit platform for the unbanked: saving groups grow their savings together, lend to each other, pay bills and send money, by app or USSD. I worked on Save Collector, its mobile ledger for saving groups.

    • Exuus
    • Saving groups
    • Mobile & USSD

    Countries:Rwanda

  • Civilian protection system

    The frontend of a system that protects civilians and assets in post-conflict areas, deployed in Syria and Yemen alongside UN agencies.

    • Hala Systems
    • UN agencies

    Countries:Syria · Yemen