Leandro Kinoshita
Senior Data Scientist, Machine Learning
Greater São Paulo Area Brazil
Summary
🤩
Rockstar🎓
Top SchoolTk K is a Senior Data Scientist and Machine Learning practitioner with 11 years of experience building high-performance web platforms and frontend infrastructure across fast-growing tech companies in Brazil. He combines deep frontend engineering—performance optimization, build tooling, and design systems—with applied ML interests, having driven measurable wins like large bundle-size reductions, Lighthouse score improvements, and a 27% faster search render. Comfortable across the stack, he has migrated major codebases to TypeScript and introduced CI type-checking, Playwright/Cypress e2e testing, and automated bundle-guarding to improve developer experience and reliability. An active open-source contributor, he’s improved React UI components (including enhancements to a popular react-insta-stories component) and documents web-performance research and tooling on his site. Analytical by training in mathematics and computer science, he blends quantitative rigor with product-focused execution to accelerate user-facing features and developer velocity.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Business Administration - BBA, Business Administration and Management, General, Bachelor of Business Administration - BBA, Business Administration and Management, General at FGV - Fundação Getulio VargasMathematics, Mathematics at Math AcademyBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Descomplica Faculdade DigitalBachelor of Technology - BTech, Mathematics and Computer Science, Bachelor of Technology - BTech, Mathematics and Computer Science at Faculdade de Tecnologia de São Paulo - FATEC-SP
English, Japanese
Stackoverflow
1,528reputation
392kreached
12answers
22questions
routes
top-5%
Github Skills (20)
javascript10
react-components10
ui-design10
react-component10
uid10
front-end-development10
react10
typescript9
typescript-types9
props9
prop9
routes9
typescripts9
activerecord6
sorting6
Programming languages (15)
Github contributions (5)
mohitk05/react-insta-stories
Apr 2019 - Jun 2019
A React component for Instagram like stories
Role in this project:
Front-end Developer
Front-end DeveloperContributions:15 commits, 8 PRs, 10 comments in 2 months
Contributions summary:Leandro primarily contributed to the implementation and refactoring of React components within the `react-insta-stories` repository. Their work involved adding loop functionality to the stories, enhancing the header component, and improving the progress bar's functionality. The commits show a focus on UI improvements and feature enhancements, especially within the context of the Instagram-like stories component. Several refactoring steps improve code clarity and maintainability.
react-componentinstagram-likereactreact-componentsinstagram
eightynine89/web-research
Dec 2019 - Nov 2022
Contributions:34 commits, 10 pushes in 2 years 11 months
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