Web Developer

About me

My name is Johny William de Oliveira Alves, I am a Web developer with over 20 years of experience. Additionally, I am a data science student, focusing on machine learning and computer vision. With experience in project management, process automation and metrics analysis. I have solid skills in several modern technologies, including 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

  • 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

  • Amazon Web Services (AWS)

  • Azure DevOps

  • BPM

  • Docker

  • Git

  • Jenkins

Courses and Certifications
  • Jul 2023 - Currently | Seguralta

    Senior Front-end Developer

    Development of Seguralta Core, a platform to facilitate the operation of insurance brokers, allowing franchisees access to detailed commissions, renewals and policies due, pending proposals, lead management and notification to customers about overdue installments, in addition to integrating data and access from forty insurance companies;

    Collaborative flow application (GitFlow), component versioning, robust documentation, junior mentoring, process automation, environment monitoring (access metrics, front-end errors, Core Web Vitals, among others), continuous integration and continuous delivery (CI/CD), unit testing and end-to-end testing;

    Technologies: HTML (HTML5), CSS (CSS3), JavaScript, TypeScript, React, Next.js, D3.js,,, BitBucket, BitBucket Pipelines, New Relic, SonarQube, Styled Components, Storybook, GraphQL, Restful, useQuery, Testing Library, Jest, and 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 (HTML5), CSS (CSS3), JavaScript, TypeScript, React, Next.js, Module Federation (micro-frontend), Chakra UI e 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: HTML, CSS, JavaScript, Search Engine Optimization (SEO), React, Next.js, and Gitlab.

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  • 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.