Lead Software Engineer | JavaScript & Node.js Specialist | AWS | GCP | React & React Native | Driving Innovation & Team Leadership
arojunior@gmail.com | +55 48984047603 | LinkedIn | Articles
Lead Software Engineer at Digital Turbine
A highly accomplished and results-driven Lead Software Engineer with over 15 years of comprehensive experience in full-stack development, specializing in JavaScript ecosystems. My expertise lies in architecting and developing robust, scalable applications using cutting-edge technologies such as Node.js, React, and React Native. I possess deep knowledge of cloud infrastructure on AWS and GCP, with hands-on experience in Kubernetes, ArgoCD, and Helm for efficient deployment and management. I am also proficient with various databases, including MySQL, PostgreSQL, SQL Server, and MongoDB.
Beyond technical prowess, I bring several years of proven leadership experience, comfortable in management roles and driving successful project outcomes. I excel at fostering collaborative team environments, mentoring junior developers, and contributing to strategic product decisions, ensuring technical excellence and timely delivery.
Throughout my career, I've contributed to high-impact projects, including developing security applications with over 200,000 users and achieving 90% market share in Brazil, and optimizing systems processing millions of events daily. I am passionate about open-source contributions and leveraging technology to solve complex business challenges, always seeking opportunities to lead impactful projects and contribute to forward-thinking teams. Let's connect!
- Vanilla Js
- React / Typescript
- React Native / Typescript
- Redux
- NodeJs / GraphQL / Typescript
- PHP
- Java
- Achieve the power of React hooks and composition
- The best and easy way to handle database migrations (version control)
- Stay up to date with what is happening on Github
- Persisting application state with Redux and localStorage
- Keep working Offline with Javascript
- Consuming API with Redux in an elegant way
Jan-2021 - Present - Digital Turbine
Role: Full stack developer -> Lead Software Engineer
Project: Advertisement
- Environment: GCP, AWS, Kubernetes, Helm, NodeJs, TypeScript, React;
Nov-2019 - Dec-2020 - EPAM Systems (Poland)
Role: Full stack developer
Project: Education
- Environment: AWS, NodeJs, Typescript, React, React-native, Redux, GraphQL;
Jun-2018 - Oct-2019 - Segware (Brazil)
Role: Full stack developer / Tech leader
Project: My Security - Application for alarm monitoring, cameras, home automation, tracking, panic button and services related to business, personal and home security.More than 200.000 users, thousands of notifications per day.Integration with 3 different alarm monitoring platforms.90% of the market share in Brazil.
Tasks performed:
- Responsible for all definitions regarding technologies
- Main developer
- Conducted interviews for open positions
- Trained newcommers
- Supervised the team
- Co-operated for product decisions
- Responsible for the management of the development process (SCRUM)
- Developed integration for hardwares such cameras and bluetooh devices with native code in iOS and Android platforms
Environment:
- SQL Server, MySQL and Mongodb
- Xcode, Android studio
- React-native, Redux, NodeJs, GraphQL, Swift, Objective-c and Java (android)
Oct-2017 - Jun-2018 - Full stack developer, Segware (Brazil)
Role: Senior full stack developer
Project: SIGMA Cloud - Management and monitoring of alarm systems, cameras and tracking. Focused on home, business and personal security.Processing millions of events per day.90% of the market share in Brazil.
Tasks performed:
- Backend developer working with Java and Spring boot, as well another backend in NodeJs.
- Frontend developer working with ReactJs and Websockets, as well an App in React-native and GraphQL
Environment:
- MySQL and Mongodb
- AWS Beanstalk, Route 53, CloudFare, SES, Redis, HornetMQ, Kafka, Spring boot
- Java 8, NodeJs, React, Redux, RxJs, Websockets, React-native, GraphQL
Jun-2019 - Aug-2019 - Codenation (Brazil)
Role: ReactJs Mentor
Project: "AceleraDev" (speed up dev).It is an acceleration program for devs, supported by technology companies and facilitated by Codenation, focused on training potential Brazilian talents to work in the area of software development in the most varied stacks.
Tasks performed:
- Acted as ReactJs mentor in the presential classes
- Applied challenges to the students
- Helped with the solutions of the challenges in person and on the company's platform
Environment:
- ReactJs, Redux, React-router, Styled-components...
Mar-2012 - Sep-2017 - IT Manager, Phipasa Fiat (Brazil)
Role: IT Manager / Developer
Project: - Network and servers refactoring/maintenance- Intranet - Internal tools for process optimization
Tasks performed:
- IT manager of the whole company's group, responsible for network and servers
- Developer of the Intranet - Internal tools for process optimization
Environment:
- SQL Server and MySQL
- IP tables firewall, Squid proxy, Active directory, SQL Server, WSUS, Hyper-v, Terminal services
- PHP, Javascript, MySQL, Shell script, VB Script
Mar-2007 - Mar-2012 - DVA Veiculos Ltda (Brazil)
Role: IT Analyst / Developer
Project: Intranet - Tools for internal process optimization, such as salary calculations for HR department, benefits portal, communication between all of the branches of the company's group, stock management for services department, taxes calculations for the accounting department and more. The whole project had more than 20 modules with a variety of tools for each department of the company's group.
Tasks performed:
- Analysis of the processes/problems to be solved
- Development of the solution plan
- Development of the actual tool to solve the problem/optimize the process
- Main developer of the project
- Responsible for the maintanence of the webserver
Environment:
- SQL Server and MySQL
- PHP, Javascript and CSS
UNIVERSITY OF THE VALLEY OF ITAJAI
Faculty/College: Quality and software engineering
Degree (diploma): Specialist
UNIVERSITY OF THE VALLEY OF ITAJAI
Faculty/College: System analysis and development
Degree (diploma): Graduate Diploma