David Villamarin

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Software Developer Verified experience

Stack Builders

Jan 2021 - Current (4 years 8 months)

specialized in building and software using React Frontend Development: Led the development of complex React • applications, resulting in a 30% increase in user engagement and reducing load times by 40% through performance optimization. Node Backend Development: Led the development of a high-performance API using Express integrating Kubernetes client with 3 complementary external APIs, resulting in 99.9% uptime, 60% reduction in response times. Implemented comprehensive error handling that decreased system failures by 75%. Design System Implementation: Created a comprehensive React component library with 50+ reusable components, reducing development time for new features by 35% and ensuring 100% consistency across applications. Microservice
V

Junior Software Developer

Vteksoft

Jan 2014 - Jan 2021 (7 years 1 month)

in Quito. Operates in computer systems design and services related to the banking sector. Frontend Development: Enhanced responsive web interfaces for 3 banking • sector applications, resulting in a 50% improvement in customer satisfaction scores. TypeScript Implementation: Developed 5 Express applications with TypeScript, reducing bug rates by 40% and improving maintainability scores in code reviews by 35%. Data Visualization: Created interactive dashboards and reports using Spotfire, increasing data comprehension by 65% and reducing decision-making time for users by 40%. Cross-platform Development: Built 2 mobile applications using Xamarin that served 2000+ monthly active users. Full-stack Integrated 20+ frontend interfaces with backend

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David Villamarin

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