JV@johannvillalvir
Senior Software Engineer specializing in React, React Native, Next.js, TypeScript, Node, and Webflow
United StatesI'm looking for a role where I can leverage my expertise in React, Next.js, React Native, TypeScript, Webflow, and full-stack JavaScript development to build high-quality, scalable applications.
I thrive in dynamic, fast-paced environments, particularly startups and innovative teams pushing the boundaries of technology.
As a Senior Software Engineer, I am a versatile and hardworking individual dedicated to exceeding company expectations through the delivery of high-quality software products. With extensive experience in both front-end and back-end development, I have successfully led teams and mentored junior developers, ensuring best practices are followed to enhance code quality and maintainability.
My journey includes significant contributions to various projects, such as leading the migration of a large-scale web application from React to Next.js, which resulted in improved performance and maintainability. I have a strong background in modern web technologies, including React.js, Angular, and Node.js, and I am proficient in developing responsive, user-friendly applications that meet the needs of diverse clients.
Work history, roles, and key accomplishments
LunarCrush
Jun 2024 - Dec 2024 (6 months)
- Led the migration of a large-scale application from React & Node.js to Next.js & GraphQL, improving performance & maintainability.
- Developed and deployed Ethereum & Polygon smart contracts using Solidity, Web3.js, and Ethers.js.
Integrated TensorFlow for personalized AI-driven recommendations.
- Refactored & optimized React Native applications for iOS & Android.
Escape Velocity
Sep 2023 - May 2024 (8 months)
- Implemented responsive frontend pages and developed RESTful APIs for user authentication and CRUD operations.
- Integrated TypeScript for improved code maintainability.
SP- Developed web frontend pages using Angular and translated Figma designs into mobile-friendly interfaces while managing data integration with backend APIs.
- Managed data by updating Microsoft 365 tables and integrated backend APIs built with .NET Core
Laurel Road
Nov 2021 - Jan 2023 (1 year 2 months)
- Refactored a large codebase to align with React best practices and managed junior developers while optimizing project performance and maintainability.
- Enhanced UI/UX by implementing pixel-perfect Figma designs and updating a private npm package for reusable components.
OmniScience
May 2021 - Nov 2021 (6 months)
- Developed a feature-rich admin dashboard using React, GraphQL, Apollo, and React-Material-UI
- Integrated AWS services like DynamoDB, AppSync, Cognito, and S3 for seamless backend functionality
- Implemented GraphQL mutations, queries, and subscriptions with AWS AppSync resolvers, integrating them effectively into the admin
dashboard.
Modzy, Inc.
Feb 2021 - May 2021 (3 months)
Developed an admin dashboard and integrated complex data visualization charts while translating designs into responsive user interfaces.
Etison, LLC
Oct 2020 - Jan 2021 (3 months)
Developed an Editor App and integrated REST APIs while implementing a Drag-and-Drop feature to enhance user interaction.
ArcheTape, Inc
Feb 2020 - Aug 2020 (6 months)
Developed responsive web frontend pages and a cross-platform mobile app while integrating third-party packages for enhanced functionality.
LoungeBuddy, Inc
Jan 2018 - Jan 2020 (2 years)
Developed responsive web frontend pages and migrated an Angular app to React while integrating backend APIs and ensuring offline functionality.
Pleroma Social
Jun 2016 - Jan 2018 (1 year 7 months)
Developed frontend pages and redesigned an existing application while implementing private APIs to enhance backend functionality.
Degrees, certifications, and relevant coursework
IBBachelor of Science, Computer Science
2012 - 2016
Software and tools used professionally
Google Tag Manager
Postman
Amazon Redshift
Blockchain
Ethereum
D3.js
Chart.js
Highcharts
amCharts
ECharts
React D3 Library
Google Charts
AWS IAM
Amazon EC2
Google Cloud Platform
MongoDB Cloud Manager
Amazon S3
GitHub
GitLab
scss-lint
SendBird
OpenTok
RxJS
Redux Observable
Cloudflare
Amazon CloudFront
AWS CodePipeline
GitHub Actions
GitLab CI
Electron
Electron Toolkit
React Native
Xamarin
Expo
PostCSS
CSS Modules
Pandas
AWS Data Pipeline
MongoDB Compass
MySQL
PostgreSQL
MongoDB
CocoaPods
AWS CodeDeploy
Lucidchart
Amazon Route 53
WooCommerce
Mailchimp
Zoho Mail
Gmail
InVision
Google Drive
Google Fonts
Node.js
Django
Laravel
.NET Core
Ruby on Rails
Next.js
.NET
ASP.NET Core
AngularDart
Tailwind CSS
Nuxt.js
Material-UI
Vuetify
Semantic UI
Animate.css
Vue CLI
Web Components
Lightning Web Components
Bootstrap Styled
Google Analytics
Figma
OpenGL
Zendesk
OpenCV
AWS CloudFormation
Visual Studio
Android Studio
WebStorm
Xcode
Jira
Gradle
styled-components
Ant Design
Angular Material
Vue Router
React Helmet
Angular 2
Jest
Cypress
Mocha
Chai
React
Vue.js
jQuery
Svelte
WebGL
Preact
React Query
React-Vue
axios
Lodash
Webpack
ClickFunnels
JavaScript
Python
HTML5
Java
ES6
CSS 3
PHP
C#
ASP.NET
JSON
Objective-C
TensorFlow
Google Maps
Mapbox
Realm
MongoDB Atlas
React Storybook
Vue-model
Amazon DynamoDB
Firebase Realtime Database
iOS
Stripe
Apollo
React Native Firebase
Google Workspace
Trello
Asana
GraphQL
Firebase
Visual Studio Live Share
OpenSSL
Google reCaptcha
WordPress
AWS Lambda
Serverless
Cloud Functions for Firebase
Amazon RDS
Redux
vuex
redux-saga
Webflow
Vercel
GitHub Pages
Firebase Hosting
GitLab Pages
React Testing Library
Visual Studio Code
GitHub CLI
Mailgun
Firebase Authentication
Git
WebRTC
AngularUI
Redux Dynamic Modules
redux-query
Redux Form
Electron Fiddle
Firebase Predictions
Amazon Elastic Container Service
Marketo
AWS Elastic Beanstalk
Amazon Web Services (AWS)
Firebase Crashlytics
SQL
npm
Google Ads
NgRx
Ethers.js
Mongoose
React Router
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