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guillesotoblanc

Guillermo S

@guillesotoblanc

Senior Full Stack Developer and Database Specialist

Costa Rica
Espanhol, Inglês
Algumas informações são exibidas no idioma inglês.
Sobre mim
Hi! I’m Guillermo, a Senior Computer Engineer with 5+ years of experience architecting high-performance enterprise software, scalable REST APIs, and mission-critical databases for the banking and SaaS sectors. Whether you need a robust backend infrastructure, complex PL/SQL optimization, or full-stack web application development, I build clean, secure, and maintainable systems tailored to your business needs.... Saiba mais

Habilidades

g
guillesotoblanc
Guillermo S
offline • 
Tempo médio de resposta: 1 hora

Conheça meus serviços

API e Integrações
I will build custom rest apis and integrate billing apis
A partir deUS$ 20 /projetoMais detalhes

Portfólio

Experiência profissional

Grupo_Financiero Improsa

Senior Software Engineer / Database Specialist

Grupo Financiero Improsa • Período integral

Nov 2021 - Present • 4 yrs 10 mos

Designed and developed high-performance RESTful APIs in .NET Core and complex database logic in Oracle PL/SQL for banking core integrations (Oracle Flexcube). Developed modern web applications using Angular, built automated PDF report generators, and optimized transaction pipelines.

Software Developer

Corporación Informática ODS • Período integral

Nov 2019 - Nov 2021 • 2 yrs

Maintained and modernized enterprise web applications using C#, ASP.NET MVC, JavaScript, and SQL Server. Built an internal C# .NET multi-layer code generator that automated project scaffolding, significantly reducing development setup time.