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Ismael – React Native, Flutter, Typescript, experts in Lemon.io

Ismael

From Brazil

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Mobile DeveloperSenior
Hire developer
6 years of commercial experience
Analytics
Architecture
Blockchain
E-learning
Platforms
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Ismael – React Native, Flutter, Typescript

Ismael is a very experienced Mobile engineer with more than 6 years of commercial expertise in tech. The core of his expertise is in React Native, but at the same time, he has comprehensive knowledge of React, Node, and Flutter. Our technical interviewer highlighted a fairly deep understanding of the internals of React Native, which is successfully combined with good English and leadership skills. Ismael is definitely a developer you don’t want to overlook.

Main technologies
React Native
6.5 years
Flutter
2 years
Additional skills
Typescript
React
Node.js
JavaScript
AdonisJS
Heroku
ORM
AWS
MySQL
Redux Saga
Firebase
Redux
Jest
Axios
Microservices
HTML
Flexbox
Grid
Google API and Services
Java
Google App Engine
Firestore
Prisma
GitHub Actions
Fastlane
Google Map API
Spring Boot
Blockchain
Cloud Firestore
GitHub
Apollo GraphQL
GitLab
Microsoft Azure
Prettier
SwiftUI
Bash
Agile
API testing
Swift
Kotlin
Nest.js
Dart
Android
Express.js
CircleCI
Unit testing
Integration testing
MobX
MongoDB
Solana
NFT
Smart contracts
Next.js
i18next
PostgreSQL
GraphQL
React
API
Cyber security
CSS
Ready to start
ASAP
Direct hire
Potentially possible

Experience Highlights

Mobile Tech Lead & Developer
Aug 2021 - Ongoing2 years 9 months
Project Overview

An online showcase where several companies can promote and sell their products.

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Responsibilities:
  • Implemented SSO (Single Sign-On);
  • Implemented push notifications on the backend;
  • Created reports for sales;
  • Implemented metrics and modules.
Project Tech stack:
Flutter
MobX
Firebase
Microsoft Azure
Fastlane
Java
Spring Boot
MongoDB
Full-stack Developer
Aug 2023 - Jan 20245 months
Project Overview

A platform for proofreaders to correct essays.

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Responsibilities:
  • Created front-end and back-end architecture
Project Tech stack:
Nest.js
AWS Lambda
AWS CloudFormation
AWS
Tailwind CSS
API Gateway
Docker Compose
PostgreSQL
Vercel
Prisma
Canvas
Clean Architecture
DDD
BDD
Docker
Lambda
React Query
Senior Mobile Developer
Aug 2020 - Sep 20222 years
Project Overview

The app helps find volunteering opportunities. Users can also connect with new people to buddy up and do activities together.

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Responsibilities:
  • Developed the app from scratch;
  • Performed managerial tasks;
  • Maintained the application;
  • Implemented push notifications;
  • Implemented Websocket and CI/CD.
Project Tech stack:
React Native
Google API and Services
Google Map API
Google App Engine
Node.js
API
GitHub
GitHub Actions
Gitlab
Prettier
Agile
API testing
Axios
CircleCI
Cyber security
Fastlane
Tech Lead, Back-end and Front-end Developer
Mar 2022 - Jul 20224 months
Project Overview

Marketplace for creating and selling the NFT which includes layer-based NFT generation. It was built on the Solana blockchain

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Responsibilities:
  • Implemented smart contracts to create NFT;
  • Developed phantom wallet;
  • Implemented layer-based NFT generation;
  • Created micro-services.
Project Tech stack:
Solana
Blockchain
NFT
Nest.js
Next.js
i18next
PostgreSQL
Google API and Services
Google App Engine
Smart contracts
React
React
React Hook Form
React Hooks
React Query
Node.js
Google App Engine
PostgreSQL
ORM
Nest.js
Tech Lead
May 2020 - Sep 20211 year 3 months
Project Overview

Marketplace for selling clothing and white label.

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Responsibilities:
  • Managed people and tasks;
  • Performed code review;
  • Implemented microservice for a chat;
  • Implemented shopping cart;
  • Developed Push notifications;
  • Integrated with a payment gateway;
  • Built a design system inside the app.
Project Tech stack:
Redux
Redux Saga
Node.js
Microservices
Axios
React Native
React
Mobile Developer
Apr 2021 - Aug 20214 months
Project Overview

An app for people who want to enjoy every moment of their day with God. There are audiobooks one can listen to while carrying out everyday routines.

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Responsibilities:
  • Implemented books feature;
  • Refactored the app to perform better with the user;
  • Fixed layout responsiveness;
  • Patched the player lib to fix some issues.
Project Tech stack:
React Native
Redux
Redux Saga
Fastlane
CircleCI
React
Mobile Developer
Jan 2020 - Jun 20205 months
Project Overview

A tool for modern football club management. It includes features centralizing communication, namely full-featured group chats and private messaging. It also allows users to automate schedules, itineraries, and availability.

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Responsibilities:
  • Refactored the app to perform better;
  • Created the match feature;
  • Refactored components.
Project Tech stack:
React Native
Apollo GraphQL
GraphQL
Fastlane
React
Mobile and Web Developer
Jul 2017 - Jan 20191 year 5 months
Project Overview

A financial and statistical control panel application with data generated by the company, which ensures that the manager has a clear and organized range of information to make decisions. Si Dash uses the cell phone's internet connection and the company's database linked to Si Informática services so that all information is always up to-date and credible.

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Responsibilities:
  • Developed the BI (SIDASH, mobile) for internal customers;
  • Constructed the Dashboard (Web) to manage access to features, such as keys, Limit of use per account, and Activating or Deactivating customers.
Project Tech stack:
Node.js
Firebase
Integration testing
Unit testing
Redux
Redux Saga
React
React Native

Education

2020
Software Engineering
Bachelor’s Degree

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