Eric is available for hire

Eric Lam

Verified Expert in Engineering

Software Developer

Singapore, Singapore

Toptal member since October 25, 2017

Expertise

Node.js Express.js Agile Development Ruby on Rails React.js PostgreSQL MySQL MongoDB jQuery CodeIgniter Redux PHP Ruby AngularJS

Bio

Eric is a senior web developer with six years of development experience—specializing in web development. He’s developed with a variety of technologies, but he mostly works with the Ruby on Rails, Node.js, and JavaScript modern frameworks: React and Angular. He communicates exceptionally well and has worked successfully in teams.

Portfolio

Bayesian Health (via Toptal)

React-Bootstrap, Redux Thunk, Redux, React, User Interface (UI)

AccessTruth Limited (via Toptal)

Search Engines, Resque, PostgreSQL, Redux Thunk, Redux, React...

Cultivate (via Toptal)

Redux, React Native, React, Ruby on Rails (RoR), User Interface (UI)

Experience

JavaScript - 10 years
Node.js - 7 years
React - 6 years
Ruby on Rails (RoR) - 6 years
Redux - 6 years
Angular - 5 years
Webpack - 3 years
Python - 3 years

Availability

Part-time

Preferred Environment

Bitbucket, GitHub, PyCharm, Sublime Text, Ubuntu

The most amazing...

...project I’ve worked on is a system that supports storage and delivery services for valuable items.

Work Experience

React/Redux Developer and Designer

2019 - 2019

Bayesian Health (via Toptal)

Created the architecture for a healthcare web application.
Integrated Redux and Redux Thunk for app state management.
Implemented components and layout for the application using React-Bootstrap and Redux Form.
Built a data visualization chart using recharts and customized the tooltip.
Integrated a mock JSON server to simulate the API call in the app.

Technologies: React-Bootstrap, Redux Thunk, Redux, React, User Interface (UI)

React and Ruby Developer for a Learning Management System

2019 - 2019

AccessTruth Limited (via Toptal)

Implemented new required features.
Optimized the back end for performance.
Improved the Redux store.
Refactored the front-end code to make it unit testable.
Maintained the live site.

Technologies: Search Engines, Resque, PostgreSQL, Redux Thunk, Redux, React, Ruby on Rails (RoR)

Web and Mobile Application Developer

2018 - 2019

Cultivate (via Toptal)

Developed the front end with React.
Built the back end with Ruby on Rails.
Created a mobile app with React Native.
Boosted the performance of the back end.
Optimized the code of the React app.

Technologies: Redux, React Native, React, Ruby on Rails (RoR), User Interface (UI)

Web Developer | Project Manager

2015 - 2017

WebConexpt

Developed the back end for a social network with Ruby on Rails.
Rebuilt a SaaS application from PHP to Ruby on Rails.
Created with a team an online page builder with React.
Built a REST API for a delivery and storage service with Node.js.
Devised a report scheduler with React.
Developed a blockchain-and-token-based system with a single-page application with React/Redux.

Technologies: Flask, Django REST Framework, Django, Python, RSpec, Ruby on Rails (RoR), Ruby, Webpack, Redux-Saga, Redux, React

Software Developer

2012 - 2014

Technomeet Solutions Pvt., Ltd.

Built an eCommerce with PHP, WordPress, and WooCommerce.
Supported an online stock market using CakePHP and JavaScript.
Developed a real-time chat server with Node.js and Socket.IO.
Built a REST API for a medical application.
Created a standalone application with Angular.

Technologies: TypeScript, jQuery, ECMAScript (ES6), Laravel, CodeIgniter, WordPress, PHP, MongoDB, AngularJS, Express.js, Node.js, Ruby on Rails (RoR), Ruby, Angular, User Interface (UI)

Experience

Healthcare Management System

Role: Front-end Developer

Tasks Accomplished:
• Refactored UI components and application structure using the DRY principle.
• Improved the user experience of the application.

Technologies: Angular 7, Material Design

eLearning Platform

I built this eLearning platform with Ruby on Rails and React.

Role: Full-stack Engineer

Online Page Builder

This project was built with React and Ruby on Rails. I worked on it as a senior developer and supported many commonly used UI components in order for the user to build custom pages easily.

Role: Senior Developer

Reporting Scheduler

This project was built with Ruby on Rails and React. It fetches data from APIs and then makes and stores reports in a popular storage server.

Storage and Delivery System in the US

I developed a REST API and single-page application (SPA) for a storage and delivery system in the US. It was built with Node.js, Express.js, and MongoDB and the front-end was developed with AngularJS.

Real-time Chat Service

I developed a real-time chat application between doctors and patients. It was built with Node.js and Socket.IO for the back end and Vue, Vuex, webpack, and SCSS for the front end.

Slackbot

I developed a Slackbot with Node.js and the Slack API. It supports ordering (food and miscellaneous items), posting to social media (blogs and so on) and more.

Medical Application

This app helps users to manage their medical information such as medicine, diseases, and the like. It also enables doctors and patients to be able to communicate via chat services. It was built with AngularJS.

Online Checklist

http://www.checkli.com

This is an online checklist that was built with PHP and AngularJS. It's easy to use, allows users to create a list without any account, enables users to share lists among each other, supports templates, and more.

Education

2008 - 2012

Bachelor's Degree in Software Development, Informational Communication Engineering

National University of Singapore - Singapore

Skills

Libraries/APIs

React Redux Form, Node.js, React, jQuery, Redux-Saga, Vuex, Socket.IO, Vue, Resque

Tools

Webpack, Grunt, Gulp, Sublime Text, PyCharm, GitHub, Bitbucket, RSpec, Redux Thunk

Languages

JavaScript, PHP, Ruby, Python, ECMAScript (ES6), TypeScript

Frameworks

AngularJS, Ruby on Rails (RoR), Django, Express.js, CodeIgniter, Redux, Angular, React Native, Material UI, Yii, Laravel, Bootstrap, Django REST Framework, Flask, React-Bootstrap

Paradigms

Agile Software Development, Concurrent Programming, Functional Programming

Platforms

Amazon EC2, Ubuntu, MacOS, WordPress

Storage

PostgreSQL, MySQL, MongoDB, Redis, Amazon S3 (AWS S3), Elasticsearch

Other

User Interface (UI), Search Engines

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