Web Developer

About me

My name is Johny William de Oliveira Alves, I work as a web developer with over 15 years of experience. I am currently a student of data science, focusing on machine learning and computer vision, process automation, and metrics delivery. I have extensive experience with modern technologies such as JavaScript with React and Next.js, TypeScript, Python, Node, among others.

  • Language

  • English - Intermediate (B2)

  • Portuguese - Native

Tech Stack

  • Languages

  • Frameworks and Libraries

  • Data manipulation

  • Toolbox

  • HTML / HTML5

  • CSS / CSS3

  • Java

  • JavaScript

  • Python

  • TypeScript

  • Bootstrap

  • Chakra UI

  • D3.js

  • Express.js

  • Gatsby

  • Jekyll

  • Module Federation

  • Next.js

  • Node

  • React

  • Redux

  • Spring Boot

  • Styled Components

  • Tailwind CSS

  • SQL Server

  • MySQL

  • PostgreSQL

  • Python

  • R

  • AWS

  • Azure DevOps

  • BPM

  • Docker

  • Git

  • Jenkins

Courses and Certifications
  • Jul 2023 - Currently | Seguralta

    Senior Front-end Developer

    Development of the Seguralta Franchisees Portal, platform for financial control, lead management and communication with partners, with component versioning, continuous integration and delivery, unit and end-to-end tests;

    Technologies: HTML, CSS, JavaScript, TypeScript, React, Next.js,,, Styled Components, Testing Library, Jest e Cypress.

  • May 2023 - Jul 2023 | Hepta Tecnologia e Informática

    Front-end Developer

    Project CREA-SP: Front-end development of the platform for the application of ART (Technical Responsibility Note) in Works and Services, using micro-frontend and monorepo;

    Technologies: HTML, CSS, JavaScript, TypeScript, React, Next.js, Module Federation (micro-frontend), Chakra UI, and Azure DevOps.

  • Set 2021 - Feb 2023 | CI&T Software

    Senior Front-end Developer

    Project Coca-Cola: Experience in product promotion, marketing campaigns, and lead generation on platforms in Latin America and the Caribbean, along with skills in consumer metrics analysis and monitoring;

    Technologies: HTML, CSS, Vanilla JavaScript, Adobe Experience Manager Forms, Amazon Web Services (AWS), and GitHub Actions;

    Project Anbima: Development of a portfolio information collection system and restructuring of financial product data publication, with a focus on improving performance and search engine results;

    Technologies: SEO, HTML, CSS, JavaScript, React, Next.js, and Gitlab.

  • See more
  • Jan 2002 - Jul 2003 | Etec Philadelpho Gouveia Netto

    Computer Technician

    Technical training with logic, introduction to hardware maintenance and Web and Desktop development

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  • Jul 2018 | Igor Alcantara

    Statistic in Qlik (8 hours)

  • Jul 2018 | Igor Alcantara

    Language R to Qlik Developers (3 hours)

  • Jul 2018 | Igor Alcantara

    Introduction to Qlik Sense (3 hours)

  • Mar 2018 | Igor Alcantara

    Fundamentals of Data Science (8 hours)

  • Mar 2018 | Igor Alcantara

    Artificial Neural Networks and Deep Learning (3.5 hours)

  • See more



Magenta "#e0138c" na aplicação de SEO

Web Magenta "#e0138c" na aplicação de SEO

Usando o termo "#e0138c" e regras do SEO para alcançar a otimização em resultados nas ferramentas de busca

Construindo o layout 2.0, refazendo esta página

Web Construindo o layout 2.0, refazendo esta página

Documentando o processo e descobertas na reconstrução o layout desta bela página

Projects & developments


Can I help you with anything? Do you have any questions or suggestions? Get in touch via social media or for more traditional means, send an email, I'll be happy to answer.