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jeffreyhaddad21

Jeffrey H

@jeffreyhaddad21

FullStack Mobile Developer

Nigeria
English, Arabic
About me
I am a Computer Science graduate and freelance developer who ships production software end-to-end across mobile, web, and backend platforms. I specialize in building offline-first applications and robust databases, backed by professional quality assurance experience to ensure my code is tested and reliable.... Read more

Skills

j
jeffreyhaddad21
Jeffrey H
Offline • 

See my services

Cross-Platform Development
I will build a cross platform mobile app with flutter
From$100 / projectMore details

Work experience

Freelance

Full-Stack & Mobile Developer

Freelance • Freelance

Jan 2025 - Present • 1 yr 8 mos

Designed and delivered an offline-first Flutter application for a commercial construction site in Lagos to handle inventory tracking and photo capture over poor connectivity. Built a JWT-secured REST API and responsive React dashboards. Implemented multi-tenant Postgres schemas with row-level security and private photo storage via signed URLs for various client projects.