- Rails + React stack initially (full-stack development on consumer facing)- Moved deeper into our infrastructure (data gathering / ETL / analysis)- Some Projects Include: - Setting up our Elasticsearch cluster for a highly used page to improve query/loading times by more than 80% - Modify Hadoop Pig scripts for indexing of data to Elasticsearch - Setting up EMR Hadoop cluster to run data ETL on data using Spark; scripts written in Scala

Engineering role at the Rails backend for our APIs and internal tools. Daily responsibilities also include code reviews, project specifications and helping out other more junior engineers as a mentor.Key Projects:- Coordinator board: The most used internal tool in the company.- Delivery Time-slots module: Revamped the entire delivery time-slot selection module 2 weeks into honestbee.- Capacity Management module: A modularised implementation of the current capacity management.- Bank account system module: A form of dollar value credit system that would be the basis of our referral program.

As a full-stack developer in an agile and data-driven startup environment, I have a range of responsibilities and they include:- Backend data work: - BigQuery- Chef - Java - Elasticsearch - Redis - MySQL- Backend/Middle-end: - Writing extensions and testing our Wego flights/hotels apps (MySQL, Rails) - Client-facing APIs (Ruby/Rails) - Creating and managing cron jobs for our data (Ruby) - Frontend with CSS/JavaScript

Position: Sole/Lead Developer Responsible for the full stack development of the multi-tenant application + website to provide cloud collaborative dashboards in an agile/start-up environment. Application functions include: - In-house commenting system, - Spreadsheet data parsing and storage into database for charting purposes- Free-form canvas style dashboard-ing, - Automated recurring subscription payments by integrating with the API of Stripe.com. (Deprecated but .. otusanalytics-old.herokuapp.com)Responsibilities and Technologies involved:- Design and code the whole server backend on Ruby on Rails 3 and deploy to Heroku - Extjs 4, Javascript for the main frontend- Design the database structure for multi-tenancy.- Handling of PostgreSQL database for local development & on production- Used Amazon S3 for direct uploads+callbacks for background processing of spreadsheet files.- Handled recurring payments using Stripe.com (also handled web hooks from them)- Design our revamped website locally on WAMP and ported it into PHP- Others: JSON, AJAX, jQuery , Twitter Bootstrap, Photoshop, Illustrator

Developed a content management website using Ruby on Rails 3 and ActiveAdmin.It allows for designated site administrators to login and manage job openings and applications on their website. Involved HTML, CSS, and also jQuery plugins such as scrollTo, and carousel scrollers.

Handle an independent project to secure a virtual Windows 7 environment:Responsibilities:- Study and implement security configurations in an enterprise environment with the use of security baselines propagated as GPOs - Setup mock enterprise windows environment within virtualized infrastructure to test new security technologies available such as DirectAccess- Finally, to propose different sets of configurations for 3 Windows environments.