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Leobardo Núñez

@leobardonez

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Senior Full-Stack Engineer at Newtech S.R.L. who scaled an LMS for 500+ users and cut database load by 40%.

Dominican Republic

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At Newtech S.R.L., I architected and scaled EvoSphere, a learning management system built with React, Go, and Redis that supports 500+ users. I also implemented Redis caching that reduced database load by 40%.

Previously at Verizon, I led Angular-to-React modernization initiatives that improved load times by 40%. At Intellisys D. Corp., I architected a blockchain-based medical records platform securing over 500,000 patient records.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer II (Senior Full-Stack Engineer)

Current

Newtech S.R.L.

Feb 2025 - Present (1 year 8 months)

Architected and scaled a Learning Management System using React, Go, and Redis, supporting 500+ users. Reduced database load by 40% with Redis caching and led backend modernization reducing technical debt by 30%.

React Go Redis NodeJS Express Minio Vertical Slicing Hexagonal Architecture Role Based Access Control Webhooks

Senior Software Engineer

Verizon

Jul 2022 - Jan 2025 (2 years 6 months)

Engineered enterprise applications using React, Angular, GraphQL, and Module Federation. Led Angular-to-React modernization improving load times by 40% and reducing API latency by 35%.

React Angular GraphQL Apollo Redux Module Federation SOLID Principles Micro Frontends Accessibility

Software Engineer

Intellisys D. Corp.

Aug 2021 - Jul 2022 (11 months)

Architected a blockchain-based medical records platform using Hyperledger Fabric, securing over 500,000 patient records. Built backend services with Go and Node.js and managed AWS infrastructure.

Hyperledger Fabric Go NodeJS AWS S3 CI CD DigitalOcean Healthcare Compliance

Virtual Reality & Augmented Reality Software Developer

T-Eco Group

May 2021 - Nov 2021 (6 months)

Built immersive VR/AR applications using Unity and C# for public-sector and cultural initiatives. Delivered interactive 3D experiences including a digital recreation of the Eduardo León Jimenes Museum.

Unity C#Virtual Reality Augmented Reality 3D Modeling

Software Engineer

Portal Factory & Centro List

Apr 2021 - Jul 2021 (3 months)

Built reusable frontend solutions using React, Next.js, and Strapi CMS, accelerating product delivery by 35%. Contributed to a nationwide COVID-19 vaccination platform serving over 10 million citizens.

React Next.js Strapi CMS Frontend Development Performance Optimization