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Luys Nunes de Souza

@luysnunesdesouza

Solutions Architect at Frengee, improving inventory lookups from 5 seconds to 200 ms across Shopify stores.

Brazil
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At Frengee, I own the architecture of Frengee One, a Node.js and TypeScript product serving 50+ Shopify stores. I tuned PostgreSQL queries and introduced cache-first reads, reducing the slowest inventory lookups from 5 seconds to 200 ms.

On a client platform for a global bicycle brand, I led six engineers and delivered support across four countries. Earlier, I managed delivery and careers for teams of up to 45 people, and built a Power BI dashboard that reduced quarterly bonus calculations from 1–2 weeks to under an hour.

Experience

Work history, roles, and key accomplishments

DS

Software Engineer

DB1 Global Software

May 2021 - Sep 2022 (1 year 4 months)

Built point-of-sale features with Python/Flask backend services and React/Redux pages for gas stations. Worked on incremental migration and replaced a legacy Python 2.7 desktop framework.

SE

Software Engineer

SENAI/SC

Jul 2016 - Dec 2018 (2 years 5 months)

Built APIs, reports, and web features with PHP, Symfony, JavaScript, and PostgreSQL for the curriculum system. Led the team's adoption of Docker and migration from SVN to Git.

Education

Degrees, certifications, and relevant coursework

FIAP logoFI

FIAP

Bachelor's degree, Software Development

2018 - 2019

Bachelor's degree in software development from FIAP, completed in 2019.

SENAI logoSE

SENAI

Associate degree, Software Development

2014 - 2016

Associate degree in software development from SENAI, completed in 2016.

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