Professional Portfolio Web Applications and Software I made for clients

2015: MSTY - The Music Messenger App

Ruby on Rails v4.2, PostgreSQL, Redis, ElasticSearch, Heroku, AWS S3 and EC2

Backend JSON API Servers for a music sharing and messaging app.

Focused mainly on performance, achieved very high throughput with very little hardware resource .

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2011-2013: Watu - SaaS management suite for temporary staffing agencies

Ruby on Rails v3.2 and 4.0, HTML5, JavaScript, jQuery, PostgreSQL, Solr

SaaS multi-tenant product for temporary staffing agencies to manage their entire business.

Includes solutions for shift scheduling, expense reporting, and payroll with tax calculation and payslip generation.

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2010-2011: Penny Auctions and Gaming Site

HTML5, JavaScript, PHP, MySQL, memcached

One of the leading penny auction sites, handling a large volume of daily traffic.

Highly performant architecture to cope with the traffic and low latency required for the auctions.

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2010-2011 & 2014: Forex Broker Management Software

Ruby on Rails, Javascript, CakePHP, PHP, MySQL, MetaTrader 4, SalesForce

Management of all the internal procedures for over a dozen Forex brokers. Automatic creation and funding of trading accounts, withdrawals, approval of customers, verification of documents, VPS servers, billing and more.

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2009: MoverTrends

ASP.Net 2.0, WebForms, SQL Server

MoverTrends sells lists of new movers to local businesses, allowing them to search geographically in a database of over 30 million new movers, and identify potential customers who are new to the area.

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2008-2009: FriendShopper

ASP.Net 2.0, JavaScript, AJAX, Comet, Custom-made Chat Server, MySQL

FriendShopper is a social shopping site, allowing you to shop in real-time with your friends. It is essentially a web chat application, that lets you see several items in their original sites and discuss them with your friends.

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2006, 2007, 2008: Microsoft Imagine Cup

ASP.Net 2.0, .Net Windows and Console Applications

I had the honor of participating as a judge in the Algorithm invitational of Microsoft's Imagine Cup. This was during the worldwide finals, a 24-hour straight competition where six of the world's brightest CS students compete to optimize results for NP-Complete problems.

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