Juan Carlos Fernandes RangelFull Stack Developer
I've over 5 years of experience as a full-stack developer, working with passion and being ambitious with thirsty for knowledge, for this reason, I've faced challenges with enthusiasm and motivation, always being outbox thinking and a fast learner.
Certifications
B2 Upper Intermediate
B2 Upper Intermediate, B1 Intermediate
10/07/2021
Tech stack
B1 Intermediate
B2 Upper Intermediate
Node.js (9)
React (7)
Redux (6)
MongoDB (5)
Azure (5)
Solidity (4)
Web3.js (4)
GraphQL (4)
PostgreSQL (4)
Express.js (4)
Truffle (4)
Unit Testing (4)
Technical Leadership (4)
PHP (4)
MySQL (4)
Styled-components (2)
React Native (2)
Laravel (2)
SAP S/4Hana (2)
Vue.js (2)
WordPress (2)
Magento (2)
JavaScript (2)
RabbitMQ (1)
Jest (1)
Scrum (1)
Mocha (1)
Cypress (1)
Experience
Technical LeadPagoNxt (a Santander company)
10/2021 - Currently

- Delegating work and assignments to team members. - Collaborating with the team to identify and fix technical problems. - Analyzing user needs and then finding applications to serve them. - Creating end goals for the team. - Checking that software and applications are updated. - Supervising system modifications. - Conducting security audits to identify areas of improvement. - Guiding the team through technical issues and challenges.

Technical Leadership
Node.js
MongoDB
Unit Testing
Azure
Blockchain Web DevMK Bank (as a contractor)
06/2021 - Currently

Solidity, NodeJS, ReactJS, Postgres, Expressjs, and GraphQL - Building smart contracts. - Releasing nodes of our blockchain. - Building wallet, token creators, NFT ecosystems, and white labels. - Creating unit tests and documentation. - Creating APIs REST, GraphQL, and WebSockets approaches. - Creating pipelines automated and releasing the versions.

Solidity
Web3.js
Truffle
Node.js
React
PostgreSQL
Express.js
GraphQL
Redux
Back End DeveloperPagoNxt (a Santander company)
07/2021 - 10/2021

- Development of Microservices with nodejs. - Maintenance of architectures and design patterns. - Delivery and versioning in Azure. - Daily performing with SCRUM and XP methodology.

Scrum
Azure
Node.js
Jest
Azure Service Bus
MongoDB
Cypress
RabbitMQ
Full Stack Developer | PagoNxtMeta
12/2020 - 07/2021

NodeJS and ReactJS - Building unit tests. - Creating new microservices. - Helping the team in the reconstruction of our services with multi-tenancy. - Daily performing with SCRUM and XP methodology.

Scrum
Node.js
React
Mocha
Jest
RabbitMQ
Azure
MongoDB
Full Stack DeveloperGrupo Abrascort
04/2019 - 12/2020

React Native, ReactJS, Laravel, VTEX, and SAP - In charge of building an app for promoters. - Maintainer of a web platform for salespeople. - Helping create new products in e-commerce. - Validating the results in modules SD and CO.

React
React Native
Laravel
SAP S/4Hana
MySQL
PHP
Redux
Styled-components
Full Stack Web DeveloperEfectus Digital
10/2017 - 04/2019

PHP, JavaScript, Magento, and WordPress - Creation of websites and maintenance of them. - Creating dashboards for the presentation of results. - Prospecting of customers.

PHP
WordPress
Magento
JavaScript
MySQL
Vue.js
Education
Bacharel in Computer EngineeringUNINTER Centro Universitário Internacional
02/2018 - Currently
Technical Course of System AnalysSistema FIEP - Senai
02/2017 - 02/2018
Entry Level InformaticMicrocamp Tecnologia
02/2012 - 02/2014