Jefferson Santos's Portfolio

Jefferson Santos's Portfolio

Freelancer Programmer

A LITTLE ABOUT ME

I’ve been a full-time Back-end Developer.React Developer.POS Specialist. freelancer for almost 8 years and worked developing good solutions in back-end and front-end, such as the apps for Smartphones and terminal POS.

SERVICES

REACT DEVELOPER

I’ve experience developing websites, landing pages and applications with React and React Native. I use good development practices with git and docker.

BACK-END DEVELOPER

I’ve to experience developing web solutions with PHP and Frameworks Laravel, CakePHP, and CodeIgniter for more 10 years.

POS SPECIALIST

I’ve experience developing applications for POS Terminal (Point of Sale). For that, I have used languages ​​like POSWEB, C ++, WML, and Wmlscript.

FRONT-END DEVELOPER

I’ve to experience developing front-end with good practices using Bootstrap, Sass, Photoshop, Adobe XD and more.

WORK PROCESS

IDEA

CONCEPT

DESIGN

DEVELOP

TEST

LAUNCH

CLIENTS

LATEST PROJECTS

POS Terminal Solution

POS Terminal Solution

Mobile Application Development

Mobile Application Development

WordPress Blog Theme

WordPress Blog Theme

Front-end Adobe XD

Front-end Adobe XD

Front-end React

Front-end React

Front-end Lazy Load

Front-end Lazy Load

Laravel Development

Laravel Development

Front-end Adobe XD

Front-end Adobe XD

WordPress Theme Development

WordPress Theme Development

Fixed malware on WordPress

Fixed malware on WordPress

Responsive Development

Responsive Development

Startup Blockchain

Startup Blockchain

Front-end and Back-end

Front-end and Back-end

Ecommerce bug fixed

Ecommerce bug fixed

AMD Brazil

AMD Brazil

WordPress Marketing Agency

WordPress Marketing Agency

Alcateria Front and Back-end

Alcateria Front and Back-end

LET’S GET IN TOUCH

jeffesa@gmail.com

+55 11 985468926

São Paulo, Brazil

DROP ME A LINE

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WORK HISTORY

2019

Senior Analyst Developer

Freelancer

I have been working as a freelancer since 2013. I developed solutions such as e-commerce, landing pages, WordPress templates, POS (Point of Sale) embedded applications, smartphone applications and much more. In 2017, I was among the 100 best rated Brazilian programmers at Workana.

2012

Pleno PHP Developer

Olhar Digital

Olhar Digital is a technology news company with a presence on TV and the Internet. There I was responsible for the development and maintenance of solutions and applications.

2010

POS Specialist

Freelancer

I worked in the development and maintenance of POS (Point of Sale) applications for the ticket, parking, and hotel solutions.

2008

Pleno PHP Developer

Grupo Betta

I worked as a Pleno PHP Developer for 2 years. I worked in back-end development for ticket solutions.

2005

Junior PHP Developer

Grupo Betta

I worked as a Junior PHP Developer for 3 years. I worked in the development of embedded applications in POS terminals for parking and website development.

EDUCATION HISTORY

2018

React Native

Udemy

I studied this course to increase my knowledge of React Native.

2018

React

Udemy

I used Udemy, which is a global learning marketplace, to learn and improve my knowledge of React.

2018

Node.js

Udemy

I took advantage of the courses at Udemy to improve on already existing skills

2017

English

IELTS Toronto

In 2017 I’ve been for 3 months in Toronto, Canada to study and to improve my English and for the IELTS Certificate.

2009

Posweb

Appi

I took a Posweb course at Appi Company to apply my expertise in POS terminal development technology.

2007

Computer Science

Universidade Paulista

I’m graduated in Computer Science at Universidade Paulista.

2004

ASP NET

Senac

This course was to further improve my knowledge in Web development with new development technologies.

2003

PHP OOP

Impacta

This course was to deepen my knowledge with object-oriented PHP.

BACK-END SKILLS

POSWEB

PHP

WordPress

Laravel

CakePHP

MySQL

CodeIgniter

NodeJs

FRONT-END SKILLS

HTML

CSS

BOOTSTRAP

SASS

JQuery

React

React Native

TESTIMONIALS

CAMILA REMONATO

CAMILA REMONATO ALLPS

Jefferson é um ótimo profissional. Soube gerenciar muito bem o projeto e resolveu o problema de forma rápida.

PAULO HENRIQUE AURY PRADO

PAULO HENRIQUE AURY PRADO VORTEXCHANGE

Jefferson é um profissional muito capacitado, surpreendeu as expectativas!

ANSELMO LUIS R. DA SILVA

ANSELMO LUIS R. DA SILVA BALSAMO PERFUMES

Jefferson é um excelente profissional, comprometido e muito eficiente.

DOWNLOAD MY CV

You can request my curriculum, so send me a message or email.

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VIEW MY LINKEDIN PROFILE

You can view my LinkedIn profile.

MY LINKEDIN PROFILE