Jefferson SantosSr. Software Engineer • Tech Lead
About Me
My name is Jefferson but you can call me Jeff or xJeeh 😊
I'm a 32 years old Software Engineer who lives in 
Campinas, a city near São Paulo, in 
Brazil. 
A front-end enthusiast with focus on web and mobile-hybrid software development.
Nerd in love with the trinity HTML-CSS-JS, coffee and games.
Currently I'm a full time employee at 
Encora Inc.
Experience
Software Engineering12 Years
Web Development11 Years
Front-End Development11 Years
Tech Leadership6 Years
Skills
Technologies
Front-End
JS + TypeScript 💙
React + Next.js | Angular 2+
Svelte | Angular.js
SASS | CSS3 | Styled-Components
HTML5
Back-End
Node.js + Express.js
Python, C#, PHP
Database
PostgreSQL | MySQL | SQLServer
NoSQL: GraphQL | MongoDB
Redis
Common
AWS Services
Soft Skills
Leadership, Ownership, Communication
Certifications![]()
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AWS Partner: Sales Accreditation (Business)
Amazon Web Services (AWS)
Apr 2023
AWS Partner: Accreditation (Technical)
Amazon Web Services (AWS)
Feb 2023
AWS Partner: Cloud Economics Accreditation
Amazon Web Services (AWS)
Feb 2023
Criando um App com React, TypeScript, Hooks, Context e Forms
balta.io
Dec 2021
Construindo Aplicações Web Com o Novo Angular (4, 5 e 6)
Udemy
Feb 2018
Como criar jogos 2D para iPhone e iPad
Coursera Course Certificates
Feb 2016
Como criar um aplicativo para iPhone
Coursera Course Certificates
Feb 2016
Como aprimorar e monetizar seu aplicativo para iOS e Apple Watch
Coursera Course Certificates
Jan 2016
Como criar aplicativos com múltiplas telas para iPhone e iPad
Coursera Course Certificates
Nov 2015
Hobbies/Interests
Games
Anime
Streaming
Bodybuilding
Woodwork
IoT
Automation
Physics
Electronics
Space/Aliens
Coffee
Energy
Drinks
Japan