Web and Hybrid Mobile App Developer, Full Stack Web Developer

• Created a React front-end admin dashboard for complex table data visualization with user-friendly search features.
• Constructed a Firebase cloud-function back end with Node.js for the react-native mobile app and web dashboards.
• Constructed an automatic voice call center using Twilio and Node.js together with RESTful API.
• Used Google Cloud Platform heavily, namely Google Storage, BigQuery, Speech-to-Text API, and Firebase.

• Developed robust and stable Javascript/Ruby on Rails based applications with JavaScript based front-end frameworks(React, Angular, Next.js, React Native, Redux, Flux, GraphQL/Apollo)
• Developed and deployed APIs and API integrations with existing applications
• Set the groundwork for agile development, pair programming, high code quality and maintainability with 100% test coverage (RSpec, capybara), continuous unit and integration tests (mocha, karma) and build deployment tests (rake, CircleCI)

• Spearheaded an effort to encourage metrics-driven decisions by introducing best practices for monitoring business processes, including configuring SEO, Google Analytics, and Google Ad Words
• Converted applications from Laravel, CI, Rails 4.x to 5.x and 6.x, Django in production
• Implemented processes for effective user testing and conducted the usability tests and UI/UX reviews

• Developed mobile-friendly, SEO-optimized, responsive sites and collaborated with cross-company colleagues at every level of the organizations to improve operational efficiencies

• Created several React components with D3 charts that support interactive visualizations of market data projections and analysis for React Frontend and React Native Mobile Apps.
• Implemented client-side data transformations to map, filter, reduce, etc. large datasets for display in interactive SVG charts.

• Supported dynamic forms for providing market data analysis for food and beverage companies making projections about product/factory capacity, cost, and several other factors.
• Created dynamically populated data filters as dropdowns, checkbox groups, input fields, sliders, etc. in order to evaluate and pivot market data analysis charts.

• Developed unit tests and component snapshot tests using Jest and Enzyme.
• Used Chrome DevTools to investigate and fix front-end rendering performance issues and computationally intensive bottlenecks.