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leofernandez20

Leonel F.

@leofernandez20

Full Stack Developer Nodejs APIs and Business Softw

Argentina
Espanhol
Algumas informações são exibidas no idioma inglês.
Sobre mim
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.... Saiba mais

Habilidades

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leofernandez20
Leonel F.
offline • 
Tempo médio de resposta: 35 horas

Conheça meus serviços

Sites Personalizados
I will fix bugs in your nodejs backend or rest api
A partir deUS$ 80 /projetoMais detalhes
API e Integrações
I will develop backend rest API with nodejs, express and mysql
A partir deUS$ 25 /projetoMais detalhes

Portfólio

Experiência profissional

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.