Abyot Gizaw - Core Developer at HISP

Abyot Gizaw

Core Developer at HISP

Oslo, Norway

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Summary

👤

Senior

🎓

Top School

Abyot Gizaw is a Core Developer with 10+ years of experience designing and implementing large-scale health information systems, currently based in Oslo and contributing to the DHIS2 open-source ecosystem. He combines a strong systems-design and architecture background with hands-on Java full-stack development using Hibernate, Spring and AngularJS, focusing on scalability and generification. At HISP he has driven core DHIS2 features and UI improvements, including a notable migration from Google Maps to Leaflet/Mapzen and centralizing mapping dialogs to improve UX. He holds a PhD in Information Systems from the University of Oslo and brings research-led thinking to practical engineering problems. His profile blends academic rigor with field-oriented impact in low-resource healthcare settings, often addressing date-handling and other subtle data-quality issues behind the scenes.

10 years of coding experience

Masters, Computer Engineering, Masters, Computer Engineering at Addis Ababa University

University of Oslo

Certificate, Network Design and Administration, Certificate, Network Design and Administration at University of Colombo

CCNA Certificate, Cisco Network Design and Administration, CCNA Certificate, Cisco Network Design and Administration at University of Port Elizabeth

Amharic, English

Github Skills (10)

leaflet10

angularjs10

java9

javascript9

javas9

uid8

front-end-development8

ui-design8

spring7

maven7

Programming languages (5)

C#JavaJavaScriptHTMLPython

Github contributions (5)

dhis2/dhis2-core

Sep 2016 - Jan 2023

DHIS 2 Core. Written in Java. Contains the service layer and Web API.

Role in this project:

Full-stack Developer

Contributions:99 reviews, 823 commits, 612 PRs in 6 years 5 months

Contributions summary:Abyot's contributions focused on replacing the existing Google Maps implementation with Leaflet and Mapzen plugins, indicating a shift in the mapping technology used within the DHIS2 Core Java application. This involved significant code changes to the AngularJS-based frontend (e.g. `angular-leaflet-directive.js`) to integrate the new mapping libraries. They also centralized the map dialog, implying the user was involved in improving the application's UI/UX. Furthermore, the user made a series of minor changes and bug fixes, especially for date related components.

apidhishibernatemavenspring-mvc

FDRE-MoH/dhis2-local-et

May 2017 - Jun 2023

Contributions:13 PRs, 122 pushes, 2 branches in 6 years 1 month

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