Jeferson E.

Jeferson E. Email and Phone Number

Software Engineer | React | TypeScript | JavaScript | Node.js | CSS | HTML | APIs | SQL | Microservices | Git | Testing | Redux | REST | GraphQL | Docker | AWS | SWE | I develop high impact products 30% faster @ PDS - People Do Software
Jeferson E.'s Location
São Paulo, São Paulo, Brazil, Brazil
About Jeferson E.

Software Engineer, specialized in React and Typescript. Working professionaly with React and Typescript since 2020, improving application's performance and integrations and experience developing TypeScript with React.js/Next.js web apps. My work is rigorously tested with Jest and includes implementing CI/CD pipelines, leveraging AWS, Docker, and utilizing React-Query for data caching.Technical Abilities: • React• JavaScript• TypeScript• Node.js• CSS• HTML• APIs• SQL• Microservices• Git • Testing• Redux• REST• GraphQL• Docker • AWS• CI/CDTools:• Visual Studio Code;• Github;• PNPMPersonal Qualities:• Fast learner;• Organized; • Good in troubleshooting;• Customer experience;• Good to give and receive feedbacks;

Jeferson E.'s Current Company Details
PDS - People Do Software

Pds - People Do Software

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Software Engineer | React | TypeScript | JavaScript | Node.js | CSS | HTML | APIs | SQL | Microservices | Git | Testing | Redux | REST | GraphQL | Docker | AWS | SWE | I develop high impact products 30% faster
Jeferson E. Work Experience Details
  • Pds - People Do Software
    Software Engineer | React | Typescript | Javascript | Node.Js | Css
    Pds - People Do Software Jul 2023 - Present
    Company: People Do Software (PDS)Goals: Helped and engineered software for clients entering/scaling their digital solutions in the cloud. As consequence they're able to see more and scale their business.Achievements: • Resolved delayed screens (stuck for months), improving Kasterweb's release timeline and achieving 4+ stars in the Play Store (React Native, JavaScript, Typescript).• Reduced cart abandonment by integrating Woovi's QRCode in Prestashop, increasing merchant sales by 30% (CSS, HTML, APIs)• Improved app accessibility for users with disabilities who couldn't use key features, boosting usability by 20%. • Successfully managed multiple projects by communicating with diverse clients, ensuring consistent tracking of project metrics and progressTechnologies: GraphQL, Material-UI, Jest, Microservices, Kubernetes - k8s, MongoDB, Typescript, Webpack, ReactJS, Relay, Docusaurus, Git.
  • Feedback House
    Software Engineer | React | Typescript | Javascript | Node.Js | Css
    Feedback House Jan 2024 - Jul 2024
    Company: Feedback HouseGoals: Maintained and created Feedback House features for feedback-server, feedback-app and feedback-admin products impacting directly HR professionals. Resulting in great and happy client feedbacksAchievements: • Fixed buggy team feature where users couldn't find each other. Managing team members improved by 100% (React, GraphQL, APIs)• Improved app readability for screen reading software. Users with disabilities saw a 20% usability boost using key features (React, Testing, Git)• Engineered feature that helps managers to export data into their ERP. Leaders gained about 15% of their time back• Resolved complex GraphQL issues alongside Relay to ensure seamless integration and optimal performance across both front-end and back-end systemsTechnologies: GraphQL, Jest, Service Workers, TypeScript, NoSQL, MongoDB, BullMQ, Mongoose, MaterialUI, REST API, KoaJS, Circle CI, Docker, RelayJS, Turbo, Docusaurus, Git.
  • Woovi
    Software Engineer | React | Typescript | Javascript | Node.Js | Css | Php
    Woovi Oct 2023 - Jan 2024
    Brasil
    Company: WooviGoals: Lauched and engineered Woovi's API integration with Prestashop for the checkout phase. As consequence Prestashop merchants can adopt several reliable pix modalities as payment options.Achievements: • Implemented webhook validation between Woovi API and checkout integration with 100% accuracy• Integrated Woovi's QRCode with Prestashop check-out. Checkout abandonment descreased by about 50%• Engineering customer's Order History integration so that every single purchase reflects in prestashop 100% of the time• Worked closely with the Woovi team to develop the Prestashop e-commerce platform integration with Woovi's payment systemTechnologies: PHP, Prestashop, Wordpress, HTML, CSS, JavaScript, PHP Admin, PostgreSQL (SQL), Docusaurus, Git.
  • Kasterweb
    Software Engineer | React | Typescript | Javascript | Node.Js | Css
    Kasterweb Feb 2021 - Jul 2023
    Cuiabá, Mato Grosso, Brasil
    Company: KasterwebGoals: Reengineered and deployed to production Kasterweb's flagship product, K-vendas, with major improvements.Achievements: • Resolved delayed screens (stuck for months), improving Kasterweb's release timeline and achieving 4+ stars in the Play Store• Reduced product's api response time in 60% so that customer usability improved by a factor of 2• Improved the codebase's test coverage so that automated testing ensured the app worked 100 of the time• Led the app revamp by designing new models in Figma, developing the app, and preparing it for releaseTechnologies: Typescript, React-Native, Android Studio, Java, Swift, Xcode, MongoDB (NoSQL), PostgreSQL (SQL), Laravel Framework, PHP, Jest (testing) , Redux (state management), React-Router (routing), React Hooks (code reusability), CSS-in-JS.

Jeferson E. Education Details

Frequently Asked Questions about Jeferson E.

What company does Jeferson E. work for?

Jeferson E. works for Pds - People Do Software

What is Jeferson E.'s role at the current company?

Jeferson E.'s current role is Software Engineer | React | TypeScript | JavaScript | Node.js | CSS | HTML | APIs | SQL | Microservices | Git | Testing | Redux | REST | GraphQL | Docker | AWS | SWE | I develop high impact products 30% faster.

What schools did Jeferson E. attend?

Jeferson E. attended Centro Universitário Una.

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