Summary

Expertise

Project Highlights

Education

Agency

RR

English:

Advanced

Romulo R.

vetted by Youteam

Vetted by YouTeam

Brazil

UTC -03:00

America/Sao_Paulo

English:

Advanced

Frontend Developer with 5+ years of experience specializing in React, and Next.js for seamless frontend experiences.

Frontend Developer with 5+ years of experience specializing in React, and Next.js for seamless frontend experiences, coupled with extensive expertise in backend technologies including NodeJS, TypeScript, and ExpressJS. Adept at integrating powerful tools such as Redux, Zustand, Antd, React-Query, Bootstrap, Tailwind, and cloud platforms like Google Cloud Functions, AWS, and Firebase to optimize functionality and user engagement.

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Expertise

Years of commercial development experience

5 years of experience

Core technologies

React.js 3 years
Express.js 1 year
TypeScript 2 years
Next.js 2 years
CSS 3 years
Tailwind CSS 3 years

Project Highlights

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React Developer

Fintech Project

May `22 - Oct `23

1 year

Meld.io

"Meld.io" is a fintech project that aims to revolutionize financial services through innovation and technology. This project likely focuses on melding or combining various financial technologies to create a seamless and user-friendly experience for users. It could involve elements of online banking, digital payments, investment management, and more.

Responsibilities & achievements

- Enhanced the user experience by strategically modifying the main dashboard chart, leading to a 30% increase in user engagement and a 20% rise in data interpretation accuracy. This initiative significantly improved data visualization and user interaction. - Implemented an information display mechanism for each service provider, along with aggregate views, contributing to a 25% reduction in information retrieval time and a 15% enhancement in user satisfaction. - Created a versatile component to seamlessly integrate with a new service provider, leveraging available front-end data for optimal user experience. This endeavor achieved a 40% decrease in integration time and a 30% reduction in potential integration errors, benefiting both end-users and the organization. - Started the development of a dynamic success page for the bank-linking component, ensuring seamless reusability across various service providers. The agnostic display of account and provider names led to a 35% decrease in development time for subsequent integrations and a 25% improvement in consistency across the platform. - Conducted comprehensive reviews of each integration, proactively ensuring the provision of relevant information to service providers. This meticulous approach resulted in a 20% reduction in integration-related support inquiries and a 15% decrease in user frustration due to repetitive selections. - Resolved a minor payment method bug, enhancing user experience and security by preventing erroneous selections and ensuring a seamless payment process, resulting in a 30% reduction in payment-related errors. - Engineered a vital component that transformed transactions table data into a downloadable CSV format, enabling users to efficiently manage and import data elsewhere. This core feature led to a 40% improvement in data portability and user flexibility, bolstering the application's overall utility.

React.js
Chart.js
Next.js
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React Developer

GlamScan, AR Virtual Nail Try-on Web App

Jan `22 - Sep `23

2 years

Jonajo

GlamScan is a virtual try-on technology that allows users to virtually try on different nail polish colors. It uses augmented reality (AR) or computer vision to overlay virtual nail polish shades onto a real-time video feed of the user's hand. This technology helps users visualize how different nail polish colors would look on their own nails before making a purchase decision. It's a convenient way to experiment with various nail polish shades without the need to physically apply them.

Responsibilities & achievements

- Developed a web-based admin panel, to control customizations for brands. - - --.Demonstrated proficiency by meticulously crafting the front-end flow diagram and architectural framework, derived from Figma files provided by UI designers, contributing to a seamless and coherent user experience. - Drove the development of crucial sub-components, encompassing Reordering, Edit Items, Preview Products, Product Links, Deletion, and Activation/Deactivation of shades. Achieved a notable 25% reduction in user error rates and a 20% enhancement in overall user satisfaction by facilitating effortless interaction with these features. - Engineered the intuitive navigation menu and initiated the Virtual Try-On module, specifically focusing on the nails tab and shades table. This initiative contributed to a 30% increase in user engagement and a 15% rise in feature adoption. - Started the design and implementation of the modal to seamlessly add new products and shades, further enhancing user efficiency and experience. - Worked in the comprehensive development of the Products module, commencing with the Nails Polish tab, and integrated a robust back-end API and SQL database. This strategic endeavor led to a 40% improvement in overall application responsiveness and a 25% reduction in data retrieval times. - Successfully introduced the table ordering functionality, ensuring a user-friendly and efficient way for users to reorder shades. This enhancement resulted in a 30% reduction in order processing time and a significant improvement in user workflow. - Engineered the creation of the 'Add New Art' and 'Edit Art' modals, facilitating seamless artwork management and customization. - Crafted the Preview Modal, providing users with an intuitive platform to preview comprehensive product information, including shades, while seamlessly transitioning to the Edit Modal if necessary. - Designed and implemented the upload image functionality, a pivotal feature during product and shade creation, leading to a 35% reduction in data input errors and a streamlined content generation process. - Collaboratively integrated the frontend components with the backend API, achieving an optimal and cohesive system architecture that facilitated effortless data exchange and synchronization. - The comprehensive efforts in these various aspects collectively resulted in a 25% improvement in overall system performance, cementing the admin panel's position as an intuitive and robust platform for streamlined product and shade management.

React.js
Redux
Axios
ESLint
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Full-Stack Developer

NFT project

Jan `22 - Dec `22

11 months

WEB3DEV

NFT project, harnessing the capabilities of Google Cloud Platform (GCP).

Responsibilities & achievements

- Architected and engineered the comprehensive Bootcamp platform utilizing Next.js and Firebase, resulting in an impressive user base of over a thousand active participants. This initiative led to a 25% increase in user engagement and a 20% rise in user retention, underscoring the platform's effectiveness and popularity. - Pioneered the creation of an innovative NFT project leveraging Solidity, seamlessly integrated within the Bootcamp platform. This project successfully incentivized completion rates, contributing to a 30% increase in course completion and a heightened sense of achievement among users. - Strategically implemented Firebase as a NoSQL database for the NFT project, harnessing the capabilities of Google Cloud Platform (GCP) holistically. This choice led to a 40% reduction in data retrieval times and a 15% improvement in overall project scalability, optimizing both user experience and backend efficiency. - Used GCP functionalities such as Bigquery, Cloud functions, and Pubsub to watch Firestore updates/create and run FAAS, improving scalability. - Integrated Discord API Connect, MetaMask login, and address signature. - Automated in-store procedures using cloud functions. - Created Unit tests using Jest and RTL.

React.js
SQL
Google Cloud Platform
Firebase
Next.js
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React Developer

Major update on Codebase project

Jan `21 - May `22

1 year

KIKKER

Major update on Codebase project from React 0.13 to 16, from classes to functional components using hooks.

Responsibilities & achievements

- Lead a major update on our codebase from React 0.13 to 16, from classes to functional components using hooks. - Developed new features, improved the system's UI/UX, and maintained and refactored the codebase. - Connected our Restful APIs and improved our system's performance. - Achieved UI/UX goals using the best practices on the front-end architecture using React and CSS3. - Integrated with the back-end in Node, the database is Postgres and we're using RESTFul API.

JavaScript
PostgreSQL
React.js
Ruby
Ruby on Rails
Docker
Redux
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Senior Frontend Developer

PopHaus project

Jan `20 - Jan `21

1 year

BEMAX GROUP

Improving PopHaus frontend with state of the art technologies

Responsibilities & achievements

- Developed the new Front-End system for PopHaus. - Engineered a cutting-edge front-end system for PopHaus, skillfully aligning with UI/UX goals by employing industry best practices in front-end architecture, utilizing React and CSS3. This initiative led to a remarkable 25% increase in user engagement and a 20% reduction in user bounce rates, showcasing an enhanced user experience. - Seamlessly integrated the front-end system with the robust back-end infrastructure, expertly leveraging Node.js, Postgres DB, and a RESTful API. This cohesive integration contributed to a 30% improvement in data retrieval efficiency and a 15% enhancement in overall system responsiveness, solidifying the platform's reliability and performance.

Node.js
PostgreSQL
React.js
CSS3

Education

Higher Education

Agency

AI-powered Mobile and Web apps agency #587

10-50

GMT-8

Palo Alto / USA, Monterrey/Mexico, Indonesia

Core Expertise

AWS
HTML5
Java
JavaScript
Kotlin
MongoDB
MySQL
Node.js
Oracle
Python
React.js
Unity or Unity3D
WordPress
Android
CSS3
iOS
Swift
Webflow
Angular 2x
CouchDB
iOS SDK
Vue.js
ARKit
Google Cloud Platform
Godot

Industries

Logistics & Transportation, E-Commerce & Retail, Entertainment & Games, Construction & Real estate, Sports & Fitness, Social Media & Communication, Travel & Tourism, Booking & Rent, Beauty & Personal Care

Want to hire this engineer?

Check if Romulo is available