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leofernandez20

Leonel F.

@leofernandez20

Full Stack Developer Nodejs APIs and Business Softw

Argentina
Spagnolo
Alcune informazioni sono riportate in lingua inglese.
Chi sono
I am a Full Stack Developer specialized in backend systems and business management software. I build REST APIs, inventory systems, admin dashboards and automation tools using Node.js, Express, React and SQL databases. Recently I developed a business management system for hardware stores that imports supplier Excel lists, calculates prices automatically and manages inventory. I focus on clean architecture, reliable backend systems and practical solutions for real businesses.... Continua a leggere

Competenze

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leofernandez20
Leonel F.
offline • 
Tempo di risposta medio: 35 ore

Consulta i miei servizi

Siti web personalizzati
I will fix bugs in your nodejs backend or rest api
A partire da80 USD / progettoMaggiori dettagli
API e integrazioni
I will develop backend rest API with nodejs, express and mysql
A partire da25 USD / progettoMaggiori dettagli

Portfolio

Esperienza lavorativa

Full Stack Developer

Feraytek Systems • Freelance

Jan 2024 - Present • 2 yrs 4 mos

Designed and developed business management systems using Node.js, Express, React and SQL databases. Built inventory management platforms, REST APIs and admin dashboards for business operations. Recently developed a system for hardware stores that imports supplier Excel lists, automatically calculates product prices using margin rules and manages inventory and suppliers. Focused on backend architecture, automation and practical software solutions for real businesses.