Julio FrantzFront End Developer
A dedicated front-end developer specializing in React and Vue.js. Worked in big tech companies for over 6 years, helping to build technology-based businesses from the ground up. Have a demonstrated history of successful team collaboration, and an aptitude for quickly mastering new technology, cultures, and roles.
Certifications
React
React
11/26/2019
Tech stack
React (5)
JavaScript (6)
GraphQL (5)
TypeScript (5)
React Apollo (3)
HTML (3)
Angular (3)
CSS (3)
Vue.js (3)
REST APIs (2)
Express.js (2)
AWS Cloud Architecture (2)
MongoDB (2)
Firebase (2)
Web3.js (2)
Smart Contracts (2)
UI Design (2)
Solidity (2)
Webpack
Experience
Blockchain & Front End DeveloperDeepSpace
08/2021 - 12/2022

Developed DPS token smart contracts deployed on BSC main & test net. Built NFT marketplace. Experienced with multiple Blockchain Technology platforms (Ethereum/BSC/Polygon/Avalanche/ Solana) Improved the efficiency using GraphQL and Thegraph Developed user interfaces with Next.js, which improved user satisfaction by 35% and increased page speed & SEO by 20%.

React
GraphQL
TypeScript
Solidity
UI Design
Smart Contracts
Web3.js
Senior Back-End EngineerJabburr
09/2019 - 09/2021

Involved in various phases of SDLC and workflow, including requirement analysis, modeling, database architecture, prototyping, migration and monitoring. Implemented ideal solutions that reduce API response time by 50% and increases server efficiency by 30%. Fixed defects identified during QA testing and redeployed the code to production servers. Designed and implemented microservices in Nest to handle highvolume app requests and developed REST API for web app. Actively participate in implementing cloud services(AWS, Firebase) in web application.

Express.js
REST APIs
MongoDB
JavaScript
AWS Cloud Architecture
Firebase
Front End DeveloperTopWebGuru
08/2016 - 08/2019

Wrote structured, tested, readable, and maintainable code. Developed object-oriented code in Node.js with 100% accordance to industry and company standards. Developed custom E-commerce platform using React and Node.js. Implemented the UI for complex and impressive features collaborating with 2 designers. Integrated several payment third-party APIs like Paypal and Moonpay with E-commerce app. Created testable React components using Jest/React testing library.

React
React Apollo
GraphQL
HTML
CSS
JavaScript
TypeScript
Vue.js
Angular
Education
Bachelor of Computer ScienceComputer Science
09/2012 - 10/2016
Portfolio
DeepSpace
August 2021 - December 2022