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I build software that ships.

I design and build mobile apps, web platforms and the APIs behind them, with my firm in Addis Ababa. From the first sketch to the App Store.

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5 apps on the App Store and Google Play. One of them checked in 27,000+ summit participants.

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Yafet Alemayehu

Full-Stack Engineer

My Status

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From sketch to ship

  1. SKETCH: Every build begins on paper: the screens, the flow, and what the person holding the phone needs to get done.
  2. BUILD: Flutter on the phone, React and Next.js on the web, and Spring Boot, Node.js or .NET behind them.
  3. SHIP: Into the App Store and Google Play. Five of my apps are listed there today.
  4. IN USE: ACS2 registered, badged and checked in summit participants at the Second Africa Climate Summit, with zero downtime. 27,000+ participants.
CHECK INtapAPP STOREGOOGLE PLAYREGISTEREDBADGEDCHECKED IN

I ship , , and .

Developing cross-platform mobile apps for Android and iOS using Flutter.

  • FLUTTER
  • FIREBASE
  • APP STORE
  • GOOGLE PLAY

The ship log.

7 APPS · 7 ROLES · 2021 to NOW

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SHOWING 14 OF 14

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20262 RELEASES

Full-Stack Developer

LEDGER TECHNOLOGY PLCADDIS ABABA · PART-TIME CONTRACT

AUG 2026TO PRESENT
ROLE
  • Shipped 3 production features in 2 months by building Next.js frontends and NestJS services deployed with Docker.
  • Reduced page load by 15% by lazy-loading routes and images.
  • Next.js
  • NestJS
  • Docker

Founder & Lead Engineer

SOFTWARE SOLUTIONS & AI CONSULTINGADDIS ABABA · FOUNDER

JUL 2026TO PRESENT
ROLE
  • Manage institutional email and server infrastructure for the Ethiopian Civil Society Organizations Council (ECSOC), covering 20 accounts.

20253 RELEASES

Africa Climate Summit (ACS2)

SEP 2025
APP

27,000+participants registered, badged and checked in

The Africa Climate Summit 2 (ACS2) is hosted by the Government of Ethiopia (GoE) in collaboration with the African Union (AU). The GoE and AU are committed for advancing Africa’s climate agenda and sustainable development priorities.

  • Flutter
  • Next.js
  • Tailwind CSS
  • TypeScript
APP STOREWEBSITE
PROBLEM
Creating a mobile app for the Africa Climate Summit 2 (ACS2) that allows participants to register, generate badges, and check in to the event.
BUILD
Providing a seamless experience for participants to register, generate badges, and check in to the event.
OUTCOME
Registered, badged and checked in 27,000+ attendees at the Second Africa Climate Summit (Sep 2025) with zero downtime.

One Percent

2025
APP

This is an investment app where you are able to return 1% of your investment daily.

  • React.js
  • Flutter
WEBSITE
PROBLEM
Build a mobile application for One Percent that enables users to invest and generate daily returns in a simple and accessible way.
BUILD
Delivered a seamless and intuitive investment experience that allows users to invest and earn on a daily basis with minimal friction.
OUTCOME
Achieved successful adoption and engagement among users in the Indian market.

Stock Portfolio App (Concept)

2025
APPCONCEPT

This is a concept app for the upcoming stock market in Ethiopia. It allows to trade from different stocks in the market. It has also a page where you can keep track of your portfolio.

  • Flutter
  • Firebase
PROBLEM
Design a concept mobile application for Ethiopia’s upcoming stock market that enables users to trade across multiple stocks and monitor their investment portfolio in one place.
BUILD
Crafted a seamless and intuitive trading experience, including a dedicated portfolio tracking feature for clear visibility into investments.
OUTCOME
The concept was well-received and validated through positive user feedback and successful usage during testing and demos.

20241 RELEASE

Full-Stack Developer, DPMES

MINISTRY OF PLANNING AND DEVELOPMENTADDIS ABABA · ONSITE · FULL TIME

OCT 2024TO PRESENT
ROLE
  • Delivered DPMES, Ethiopia's national Digital Planning, Monitoring and Evaluation System, used by 60+ planning officers across 12 federal institutions, by leading a 3-developer team across backend and frontend.
  • Cut national report consolidation from 30 days to 5 days by building automated analytics and reporting pipelines on real-time plan data.
  • Flutter
  • Next.js
  • Firebase
Shipped Africa Climate Summit

20232 RELEASES

Full-Stack Developer

INTELANCELONDON, UK · REMOTE · FULL TIME

AUG 2023TO SEP 2024
ROLE
  • Secured a Digital Health Platform serving 500 users by building authentication and role-based authorization in .NET Core, C# and React.
  • Reduced query response times by 10% by redesigning the relational data model and optimizing data access with Entity Framework Core.
  • .NET
  • React.js

Abtlis

2023
APP

Abtlis is an audio streaming application that offers an extensive library of religious content meticulously curated for Ethiopian Orthodox religion

  • Flutter
  • Node.js
GOOGLE PLAY
PROBLEM
Creating a mobile app for the Abtlis that allows users to listen to religious content.
BUILD
Providing a seamless experience for users to listen to religious content.
OUTCOME
The app was successfully used and received positive feedback from users.

20223 RELEASES

Lead Full-Stack Developer

PROPHECIUS TECHNOLOGIESINDIA · REMOTE · CONTRACT

SEP 2022TO JUL 2023
ROLE
  • Delivered 10+ web and mobile products to 10+ clients by leading 4 developers and designers on Node.js, React and Flutter.
  • Node.js
  • React.js
  • Flutter

Metahu Delivery

2022
APP

1,000+new users on Android and iOS

Metahu is a delivery company that mainly connects people with the best our city has to offer.

  • Flutter
APP STOREGOOGLE PLAY
PROBLEM
Developing a mobile platform that simplifies ordering food and drinks from local restaurants and bars for Metahu Delivery users
BUILD
Redesigned and enhanced the app experience in version 2.0 to ensure speed, usability, and reliability.
OUTCOME
Led to the acquisition of 1,000+ new users on Android and iOS.

Flutter Developer

GREEN ADDIS TECHNOLOGIESADDIS ABABA · HYBRID · CONTRACT

MAY 2022TO DEC 2022
ROLE
  • Brought 1,000+ new users to Metahu Addis v2.0 by rebuilding the Android and iOS app in Flutter with BLoC state management.
  • Flutter
Shipped Metahu Delivery

20213 RELEASES

Full-Stack Developer

EMENDER IT SOLUTIONSREMOTE · PART-TIME CONTRACT

APR 2021TO NOV 2025
ROLE
  • Published eStota and eMerke on Google Play and the App Store, reaching 3,000+ downloads, by building both in Flutter on Spring Boot and MySQL APIs.
  • Cut deployment time from 40 minutes to 7 minutes by containerizing services with Docker and Kubernetes on Google Cloud.
  • Spring Boot
  • Flutter
  • Docker
  • Kubernetes
  • GCP
Shipped eStotaShipped Merke

eStota

2021–25
APP

The eStota app connects Ethiopian diasporas with their beloved ones and friends back home with gifts that make memories.

  • Flutter
  • Spring Boot
APP STOREGOOGLE PLAY
PROBLEM
Creating a mobile app for the eStota that allows users to send and receive gifts from their loved ones and friends back home.
BUILD
Providing a seamless experience for users to send and receive gifts from their loved ones and friends back home.
OUTCOME
The app was successfully used and received positive feedback from users.

Notes from the build.

ALL NOTES

Building a Modern Stock Exchange App with Flutter, Riverpod & Clean Architecture

A complete behind-the-scenes journey of designing, architecting, and building a full-featured stock trading and analytics app using Flutter, Riverpod, and Clean Architecture. From UI planning to API integration and AI financial insights, this article covers every major decision made during the development.

READ THE NOTE

Got something to ship?

I take on new builds through my firm: mobile apps, web platforms and the backends behind them.

START A PROJECTyafetretta@gmail.comDOWNLOAD CV

Building from Addis Ababa, Ethiopia