Julio R.

Julio R.

Dominican Republic
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About Me

Julio is a skilled React Native Developer with 7+ years of experience creating complex mobile and web applications. He has a proven track record of success creating apps that are both well-received and commercially viable, some used by 100K+ users. Julio makes sure a product is well-built, both with quality and performance in mind. Having an excellent technical/architect frame of mind, he also has hands-on experience leading and mentoring dev teams.

Frontend

Angular JavaScript React Native React.js

Backend

Express Hapi.js Node.js

Database

MongoDB PostgreSQL

Other

Apollo Full Stack Development Graphql Immutable.js Ionic Java

Work history

UpStack
UpStack
React Native Developer
2020 - Present (5 years)
Remote

  • Creating and developing innovative software solutions for various clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

React NativeJavaScriptReact.jsNode.jsExpressAngularHapi.jsGraphqlApolloJavaMongoDB
Baires Dev
Baires Dev
React.js & React Native Developer
2018 - 2020 (2 years)
Remote

  • Participated in the development of a large mobile app using React Native with Wix Navigation and implemented live data using WebSockets and Redux.

  • Worked on the development of a large app using Material UI as a UI framework, along with Redux and auto-save capabilities for the entire web app forms.

  • Implemented clean, modern, smooth features that provide an excellent user experience.

React NativeReact.jsReduxGeolocationI18nSocket.ioReact RouterMaterial UIWebSockets
Boxx Agencia Digital
Boxx Agencia Digital
Chief Technology Officer
2017 - 2018 (1 year)
Dominican Republic

  • Built 3 apps using React Native as a lead developer for a group of 4 React Native developers.

  • Managed the app architecture with Redux integration and implemented a custom API with real-time data using Sockets and Redux.

  • Built landing pages with Bootstrap 4 and WordPress as the CMS.

React NativeReact.jsNode.jsExpressWordPressCMSBootstrap 4 ReduxSocketsAPIs
Btek Ventures
Btek Ventures
React Native Developer
2017 - 2020 (3 years)
Remote

  • Developed a mobile app for iOS using React Native, with offline-first capabilities and Salesforce SDK as service.

  • Optimized components for maximum performance across a wide array of web-capable devices and browsers.

  • Worked closely with other React Native developers, a project manager, QA professional, and a designer to ensure the project is delivered on time.

React NativeReduxSagasReact NavigationImmutable.jsiOSSalesforce
Soluciones GBH
Soluciones GBH
Full-stack Developer
2014 - 2017 (3 years)
Dominican Republic

  • Worked on the development of back-end and mobile apps with JavaScript, building 4 mobile applications and 3 back-end services, and led a team of 3.

  • Developed a mobile app that handles loan payments using Salesforce with offline-first capabilities.

  • Developed a social media app that migrated a group from Facebook to their own app with a 200K+ user base (built the back end with Node.js/Express.js and the mobile app with Ionic).

Node.jsExpressAngularIonicReact NativeJavaScriptIonicSalesforce
Quix
Quix
Full-stack Developer
2013 - 2013
Remote

  • Worked as a solo developer on a music app with a database consisting of millions of sounds.

  • Managed the project's whole architecture and development and implemented the Hadoop core and Sqoop for the recommendation system.

  • Assisted with building estimates and ensured the project was delivered on budget and on time.

SqoopHadoopMongoDBAngularPostgreSQLNode.js
Banco Popular Dominicano
Banco Popular Dominicano
Cybersecurity Developer
2012 - 2012
Dominican Republic

  • Developed and maintained C# software for one of the biggest banks in the Dominican Republic.

  • Implemented features that ran a routine updates policy on all bank computers and reported back about the state of each and every computer.

  • Assisted with network security using AirDefense Enterprise.

C#VB.NetCyberSecurityNetwork SecurityBanking

Showcase

Senior Mobile Developer - INV360
Senior Mobile Developer - INV360

  • The project aims to enable multiple dealers to manage their car inventories.

  • It utilizes React Native for cross-platform development (Android & iOS).

  • The app provides a user-friendly interface for updating vehicle inventory, sharing postings, and managing sales opportunities.

Senior React Native Developer - Amadita
Senior React Native Developer - Amadita

  • Amadita Clinical Laboratory is a 55+ year old clinical laboratory serving the Dominican Republic.

  • The application was developed by a solo developer using Express.js (Node) and then assisted with a React Native mobile project.

  • The project has a user base of 55,000 active users and was successfully launched.

Senior React.js Developer
Senior React.js Developer

  • Developed a short-term warehouse marketplace connecting companies with surplus space to those needing temporary rentals.

  • Implemented best practices and delivered the project into an MVP stage, resulting in a successful launch.

  • Utilized React.js, Redux, React Router, and Material UI technologies.

Main Mobile Developer - CloudLending
Main Mobile Developer - CloudLending

  • Developed a mobile app for loan payments using Salesforce with an offline-first approach.

  • Utilized Ionic and Salesforce SDK as core engine for dynamic UI and forms.

  • Built a reusable Salesforce SDK wrapper with offline-first capabilities for initial deployment.

Main Mobile Developer - Bomane
Main Mobile Developer - Bomane

  • Bomane is a React Native iOS app developed by Sonny Henty and Drea Jaclyn for a hair salon in Los Angeles.

  • The app's primary function is appointment booking, payment processing, employee availability management, and historical data storage.

  • The project successfully launched, integrating with the booking.com API and migrating the backend to a new platform.

Lead/Architect React Native Developer - Real Estate Company
Lead/Architect React Native Developer - Real Estate Company

  • Developed a mobile project for a major US real estate company using React Native for both Android and iOS.

  • Completed the project in under a year with deep integration of GPS and GraphQL.

  • Scaled the project by rebuilding the existing architecture and refactoring the codebase.

Education

BSc System Engineering
BSc System Engineering
Pontificia Universidad Catolica Madre y Maestra - Dominican Republic
2014 - 2018 (4 years)