Simon Nguyen - Ruby on Rails developer

Simon Nguyen

4.9

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Simon Nguyen

4.9

Gender

Male

Address

Hanoi, Vietnam

Main expertise

Ruby on Rails Ruby React.js MongoDB MySQL PostgreSQL C C++Objective-C jQuery JavaScript AngularJS

Introduction

Simon Nguyen is a seasoned Ruby Developer with over 12 years of experience in software development. He is proficient in the Ruby on Rails framework and skilled in programming languages such as Ruby, C/C++, and Objective-C. Simon is experienced in utilizing version control systems, including Git and Subversion, and is familiar with project management tools like JIRA, Confluence, and Stash. He is adept at testing frameworks like Rspec, FactoryGirl, Capybara, Shoulda, and Selenium. His expertise extends to working with various databases, including MongoDB, MySQL, SQLite, PostgreSQL, and Cassandra. Moreover, he has a good understanding of search tools such as Elasticsearch, Sphinx, and SOLR, and is well-versed in operating systems including Ubuntu, CentOS, and Mac OS.

Project list

ParentDB - American

ParentDB offers an online payment solution for parents aiming to join the PTA and secure PTA membership at their children's school. It also assists parents in recognizing and remembering the names and faces of other members. Future plans include the addition of features like an internal messaging system and allowing non-PTA members to sign up.

Develop the features Debug and fix bugs Write unit tests

Technologies: Rails, Ruby, Bootstrap, jQuery, Gems: devise, cancancan, paperclip, sidekiq, public_activity, acts_as_commentable_with_threading, summernote-rails, griddler, friendly_id

Cofundhub - American

Worked on developing new features and fixing bugs for the project. Engaged in discussions about features before implementation and offered ideas and suggestions for improvements.

Develop features Debug and fix bugs Write unit tests

Technologies: Rails, Ruby, Foundation framework, AngularJS, Slim, SOLR, Gems: devise (async, invitable), cancancan, rolify, figaro, simple_form, carrierwave, oauth, sidekiq, whenever, Deploy: mina

Night Spender - French

Modified and enhanced legacy project by adding new features for a successful relaunch.

Develop the features Debug and fix bugs Write unit tests

Technologies: PHP, jQuery, Bootstrap

Domaine.fr - French

This legacy project involves maintaining existing functionalities and implementing new features. Deployments are managed through Engine Yard and the staging environment is hosted on Linode.

Develop features Debug and fix bugs Write unit tests

Technologies: Rails, Ruby, jQuery, Gems: wisepdf, socery, cancan, savon, delayed_job_active_record, roo-xls

SSL Certificate Management System - American

The project is a website utilized internally that allows users to manage SSL certificates. Users can generate and download CSR files, upload CA certificates returned by the Certificate Authority, download CA certificates in a zipped version, and inspect certificate details such as email and expiration date. It also provides notifications about certificates expiring within the next 30 days.

Develop the features Debug and fix bugs Write unit tests

Technologies: Rails, jQuery, Coffeescript, Bootstrap, Gems: whenever, kaminari, paperclip, rubyzip, country_select

FollowMe - American

This project involves the development of a website companion for a mobile app. It provides an API for mobile users to register, and request the addition of new restaurants, receipts, and food items, helping restaurants enhance their points. Users also have the ability to follow one another.

Develop the features Debug and fix bugs Write unit tests

Technologies: Rails, Ruby, Rspec, FactoryGirl, Capybara, jQuery, Coffeescript, Gems: devise, cancan, mechanize, nokogiri, carrierwave, state_machine, sidekiq, vcr, json_spec, capistrano

We Love Merthyr - English

A comprehensive guide for visitors to Merthyr town in England, including listings of businesses, services, shopping options, vouchers, and events. Users can search for business and service addresses, find coupons, and get information on travel, accommodations, and shopping. The platform features an interactive map for easy filtering and visualization of places. Users can export vouchers as PDFs, and the site uses user-friendly URLs with Mongoid slug.

Develop the features Debug and fix bugs Write unit tests

Technologies: Rails, Ruby, jQuery, Coffeescript, Rspec, FactoryGirl, Capybara, Gems: devise, cancan, prawn, kaminari, mongoid, mongoid_slug, carrierwave, mini_magick, gmap_4_rails, fb_graph, simple_form, twitter-bootstrap-rails, Agile development

MTL Consultancy Accident Management Tool - English

This is an administrative tool designed for managing accidents. It allows logging and creating reports in PDF or graphical forms. The tool supports multiple roles like master admin, site admin, and staff, offering a management system to handle, categorize accidents, injuries, their causes, effects, and generate KPI reports.

Develop features Debug and fix bugs Write unit tests

Technologies: jQuery, Flot chart, Gems: authlogic, haml-rails, cancan, prawn (PDF), Rails, Ruby, Agile development

TowerFire - English

TowerFire is an administrative tool tailored for safety management. It is based on the same codebase as MTL but modified for a different company. The tool includes several features such as video uploading and displaying, as well as a flexible course training module that allows users to leave and pick up where they left off at any time.

Develop features Debug and fix bugs

Technologies: jQuery, Gems: authlogic, haml-rails, cancan, prawn (PDF), Rails, Ruby, Agile development

BlueInfomed Healthcare Management System - Danish

A comprehensive tool designed for hospitals, allowing administrators and doctors to effectively manage patient information, send internal messages, form clinical teams, and assign on-call doctors. It also provides functionalities for doctors to record issues, and make diagnoses. Initially built using Graph Database with RexPro, the system was later upgraded to Rails 4.

Develop the features Debug and fix bugs Write unit tests

Technologies: GraphDatabase, jQuery, Coffeescript, Highcharts, Rspec, FactoryGirl, Capybara, Rexpro, Gems: authlogic, haml-rails, cancan, prawn (PDF), twitter bootstrap-rails, sidekiq, rexpro, Rails, Ruby, Agile development, BDD

South Wales Football Association Website - English

This website is designed for the South Wales Football Association to manage various operations and track activities. It supports three user roles: staff, referee, and club. Staff can create and manage entities such as clubs, referees, fixtures, cautions/reports, seasons, divisions, and leagues. Referees have the ability to create reports on players for fixtures they are assigned to. Clubs can review these reports, contest them, or pay any related fines.

Develop the features Debug and fix bugs

Technologies: jQuery, Coffeescript, Twitter Bootstrap, Gems: Devise, Cancan, simple_form, haml_rails, Kaminari, Rails, Ruby, Agile development

AppointmentCare - American

This website caters to Business Owners and Customers, enabling them to create appointments and specify available services. Key features include time conflict resolution, support for multiple providers per business account, and SMS notifications.

Develop the features Debug and fix bugs Write unit tests

Technologies: jQuery, Compass, Behavior Development Driven, Gems: will_paginate, formtastic, rspec, AS3, Twilio, Rails, Ruby, Agile development

Yutongo Idea Crowdsourcing Platform - Swish

A website designed for crowdsourcing ideas, allowing users to contribute and brainstorm innovative concepts.

Develop features Debug and fix bugs

Technologies: jQuery, Compass, Blueprint, Behavior Development Driven, Gems: will_paginate, formtastic, rspec, AS3, Rails, Ruby, Agile development

ElusiveStars - American

ElusiveStars allows developers to have their applications tested by real users on actual devices, ensuring authentic feedback and performance insights.

Develop the features Debug and fix bugs Write unit tests

Technologies: jQuery, Gems: Devise, Cancan, meta_search, squeel, carrierwave, Twitter Bootstrap, AS3, Rails, Ruby, Agile development

Gibbons Project - American

A website developed for a tourism company to enhance their online presence.

Develop the features Debug and fix bugs Write unit tests

Technologies: jQuery, Gems: Devise, Cancan, meta_search, meta_where, friendly_i, CarrierWave, Fog, RMagick, AS3, Rails, Ruby, Agile development

Crescent - American

Crescent offers friendly, professional services with experienced staff who are local to the area and well-versed in the local market. Each office is equipped with a dedicated person to manage daily property operations. Over the past seven years, Crescent’s product portfolio has consistently expanded, allowing us to offer a diverse range of properties that suit various budgets and needs. We ensure our properties are well-maintained throughout tenancies.

Develop the features Debug and fix bugs

Technologies: jQuery, Gems: gmap4rails, geocoder, paperclip, meta_search, meta_where, Rails, Ruby, Agile development

Buzzdash - American

Buzzdash allows merchants to create and manage their campaigns and users, utilizing Rails 3.x, jQuery, HAML, SASS, and various helpful gems such as formtastic, paperclip, compass, simple-tooltip, will_paginate, fb_graph, and twitter. Once a user signs up as a merchant, they can publish their campaign messages to Facebook or Twitter.

Develop the features Debug and fix bugs

Technologies: jQuery, Rails, Ruby, Agile development

Electronic Health Records System - American

The Electronic Health Records System is a web application built on the Rails framework. Its core functionalities include managing patients' comprehensive medical histories and personal information, overseeing clinic operations such as appointments and alerts, and handling patient allergies, vitals, problems, and appointments. The application also allows for the creation and management of doctors' calendars. It features various patient status updates like checking in, checking out, rooming, or marking as no-show. Additionally, the system supports both simple and advanced search functions for finding patients by first name, last name, age, location, birthday, and more.

Develop the features Debug and fix bugs

Technologies: jQuery, Ruby on Rails, Agile Scrum methodology

Contact Manager for iPhone - Company product

This application is designed for managing contacts on an iPhone. Key features include the ability to flick through contacts using a cover flow interface, tap on contacts for quick actions like phone calls, SMS, or emails, and display all contacts within a group using the smooth coverflow. Users can easily add, edit, or delete contacts and groups, and view the number of contacts within each group. The app allows for filtering contacts using custom rules to form smart groups. It sorts contacts automatically by name, enables searching by a part of the name or phone number, handles over 1,000 contacts efficiently, and provides the ability to select all or none of the contacts in a group for batch actions.

Develop the features Debug and fix bugs

Technologies: iPhone SDK, IDE: XCode

eCal - Company product

eCal is an iPhone application designed to help users manage their events efficiently. It allows for creating, deleting, and viewing events with various display options: a List view showing all events from today through the end of the current month, a Day view for daily events, a Week view, and a Month view displaying events alongside the corresponding lunar calendar. The Year view highlights the start of the new year in both lunar and solar calendars in red. Users can add or edit events quickly and customize their display style. The application also features an 'Alarm' function that reminds users with sound notifications.

Develop the features Debug and fix bugs

Technologies: iPhone SDK, IDE: XCode

XIGA Games Online Platform - Vietnamese

A digital platform where users can play small flash games. Users can increase their account credit by sending a specific SMS message (“XIGA NAP” to 8768). The platform allows random selection of games as well as browsing by categories of interest. It features a leaderboard displaying the most interesting games and awards players with high scores.

Develop new features Debug and fix bugs

Technologies: Rails framework, XML, Ajax, Prototype, IDE: e, Vim

Meteor Blitz - Company product

Meteor Blitz is a dual-thumb shooter game for the iPhone, where players control a spaceship battling against enemies and asteroids to achieve high scores. Players can maneuver and fire using two thumbs, providing a dynamic gaming experience. The game features real-time, in-game global rankings, automatic pause, instant save, and auto-resume functionality, all with no load times. Players can explore multiple weapons and upgrades, use a gravity gun, and even play with their own background music.

Develop the features Debug and fix bugs

Technologies: iPhone SDK, OpenGL ES, OpenAL, Chipmunk, IDE: XCode

FunMo Website - American

FunMo is an interactive platform where users can create and download ringtones and wallpapers. Users can customize their profiles, express their thoughts with the 'What's on your mind?' feature, and engage with a community by rating and commenting on photos, ringtones, and more. The website also enables users to make friends, send private messages, and chat live with others online.

Develop the features Debug and fix bugs

Technologies: Rails framework, XML, Ajax, Prototype, IDE: Aptana, Notepad++, e, Vim

Project list

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