Sergio H.

Mobile Developer

Sergio is a mobile developer with over five years of commercial experience and a broad skill set. He has spent significant time honing his React Native and JavaScript techniques, along with Node.js and TypeScript, where he demonstrates professional proficiency.

With three years of experience in Flutter, Sergio has developed a solid understanding of this technology as well. His career includes valuable time spent at LiftBank and uDNA, further rounding out his skills.

For the past three years, Sergio has been working at Wine.com.br, where he has continued to hone his craft. His methodical approach and extensive experience make him a valuable asset to any team.

Hovedekspertise
  • Dart
    Dart 3 år
  • React.js
    React.js 5 år
  • PostgreSQL
    PostgreSQL 4 år
Andre færdigheder
  • Expo
    Expo 2 år
  • AWS
    AWS 2 år
  • Golang
    Golang 1 år
Sergio
Sergio H.

Brazil

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Beskæftigelse

  • Tech Lead | Senior Mobile (Frontend) Software Engineer

    Wine.com.br - 2 flere år 1 måned

    • As a tech lead, his primary responsibility is to ensure the smooth operation of mobile applications. Sergio is involved from the initial handoffs of the UX team and business unit definitions to the development and deployment stages of the apps.

    • The flagship app, "Wine," is built in React Native, allowing clients to purchase wine from retail stores and online and subscribe to the clubs to deliver their wines to their doorstep.

    • Additionally, Sergio's team has developed another app, "WE Wine," also built in React Native, to assist entrepreneurs in selling wines to customers.

    • Recently, they introduced a new application built in Flutter. This application enables individuals in physical wine stores to scan barcodes on bottles and generate invoices. They integrated a Zebra scanner into our app for this purpose.

    • To maintain the health and functionality of all applications, Sergio's team utilizes various tools such as CleverTap, Bugsnag, Firebase, and Bitrise, among others. These tools play a crucial role in ensuring seamless operation and user satisfaction.

    Teknologier:

    • Teknologier:
    • Dart Dart
    • React.js React.js
    • PostgreSQL PostgreSQL
    • Strapi Strapi
    • Firebase Firebase
    • Next.js Next.js
    • Nest.js Nest.js
    • REST API REST API
    • Redux.js Redux.js
    • Project management
    • Objective-C Objective-C
    • Java Java
    • AWS AWS
    • Jest Jest
    • TypeScript TypeScript
    • Node.js Node.js
    • Scrum Scrum
    • React Native React Native
    • Flutter Flutter
  • Mid Mobile (Frontend) Software Engineer

    Wine.com.br - 1 år 7 måneder

    • As a mid-level mobile developer, Sergio's responsibilities expanded, necessitating his involvement in leading projects. One significant initiative involved the creation of an internal components library aligned with the design system crafted by our UX team.

    • In this capacity, he assumed leadership roles, overseeing projects from inception to deployment. This included coordinating with various stakeholders, understanding project requirements, and ensuring alignment with the overarching goals and timelines.

    • Furthermore, Sergio actively collaborated with the UX team to integrate their design system into the development process. This entailed developing reusable components, adhering to established design principles and maintaining consistency across our mobile applications.

    • Through these efforts, Sergio not only enhanced his technical skills but also gained valuable experience in project management and leadership, contributing to the team's and projects' overall success.

    Teknologier:

    • Teknologier:
    • React.js React.js
    • TypeScript TypeScript
    • Node.js Node.js
    • Scrum Scrum
    • React Native React Native
    • Flutter Flutter
  • Junior Mobile (Frontend) Software Engineer

    Wine.com.br - 9 måneder

    • As a junior developer, Sergio was integral to a collaborative app development team, where we focused on creating new features and resolving bugs.

    • We primarily utilized React Native (TypeScript) as our framework, complemented by essential tools such as Redux for state management and Jest for testing purposes.

    • One of the most intriguing projects he had the opportunity to work on was "Boost your subscription." This initiative allowed users to effortlessly increase the number of bottles in their subscription, offering them greater flexibility and customization options. With this project, we were able to increase the company's revenue.

    • Through his involvement in this project and others, Sergio gained valuable experience working with React Native and its associated tools, honed his problem-solving skills, and developed a deeper understanding of software development best practices.

    Teknologier:

    • Teknologier:
    • React.js React.js
    • TypeScript TypeScript
    • Node.js Node.js
    • Scrum Scrum
    • React Native React Native
    • Flutter Flutter
  • Fullstack Developer

    uDNA - 7 måneder

    • DNA is an eCommerce application specializing in genetic tests, which Sergio developed using React Native.

    • Additionally, he was responsible for the backend development, leveraging various AWS tools such as AppSync, Cognito, DynamoDB, Lambda, and S3.

    • By utilizing React Native for the frontend and AWS services for the backend, Sergio's team created a robust and scalable service that provided users with a seamless experience purchasing genetic tests.

    • This project allowed him to showcase my expertise in mobile app development and demonstrated his proficiency in building and managing backend systems on the AWS cloud service.

    Teknologier:

    • Teknologier:
    • React.js React.js
    • Firebase Firebase
    • REST API REST API
    • Redux.js Redux.js
    • JavaScript JavaScript
    • AWS AWS
    • React Native React Native

Uddannelse

  • BSc.Electrical Engineering

    IFES - Federal Institute of Espírito Santo · 2015 - 2021

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