j
jeffreyhaddad21

Jeffrey H

@jeffreyhaddad21

FullStack Mobile Developer

Nigeria
Inglese, Arabo
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

j
jeffreyhaddad21
Jeffrey H
offline • 

Consulta i miei servizi

Sviluppo multipiattaforma
I will build a cross platform mobile app with flutter
A partire da100 USD / progettoMaggiori dettagli

Esperienza lavorativa

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.