Shopworld, an e-commerce startup, was building its own API. During a period of extraordinary growth, I stepped in offering support to their Architect.

• Google Shopping integration
• Statistics (New endpoints, several VueJS pages)
• Filtering functionalities for the Endpoints (using Reflection)

Nostrum (Home Meal Replacement) business was in transition. I stepped in as a freelancer to do some general backend and frontend maintenance. They had 200+ shops using the Point-Of-Sale frontend, and also several batch processes which needed monitoring/minor fixes. They were using C# + Azure.

At TourboSoft GmbH I built a tool to visualize how the planned deliveries could fit in the Truck. Unity game engine + C#.

For TourboSoft GmbH. This multi-device WebApp allowed real-time monitoring of a fleet and their planned stops. I had a hard time adapting the CSS of the leafletJS library. LeafletJS enabled an easy switch between Nokia and Google Maps. Built using ASP.NET MVC5 and jQuery.

While in TourboSoft GmbH, I collaborated with 3 other developers on developing Tourbo.Route. I took a main role developing the map module, our DevExpress Grid, and many other things.

TourboRoute imports your delivery orders and assists in planning the deliveries. According to the cost and availability of vehicles, schedules, road distances…

Wanting to get into the App world, I developed and marketed this app. With Unlimited German for Android, you can practice german declension with real-life texts.

Also practice numbers, and rapidly look up in the dictionary any unknown words.

For Prevolution GmbH in Hamburg. CloudDesk was a web-based Ticketing System. It started in Slovakia and was then continued in the Hamburg’s HQ.

It made use of some of the latest technologies in HTML5 as well as DevExpress controls. The backend was an SQL Server which was accessed by a Data Layer Engine written in VB.

We integrated the backend with our Cherwell Software Solution through scheduled SQL Stored-Procedures.

Some new features were added:

• Search Recommendations while typing
• Rating widgets (Facebook-style Like, “Arrow Voting”, Stars)
• User Avatars
• Hierarchical Categories in the Shop
• Dynamically generated Html forms (textbox, checkbox, select) using an XML file. SQL Schema updated on-the-fly.
• Timeline (joining the previously Single Entries)

For Prevolution GmbH in Hamburg. A tool to synchronise Microsoft Exchange with Cherwell, using WebServices and SQL. Thus, Appointments, Tasks and Contacts were up to date between both systems.

Technical challenges:

• On the SQL Server side, had to keep track of the links between items, keeping the ExchangeItemId with the CherwellItemId.
• On the SQL Server side only way to keep track of deleted Items was with a trigger+Table
• Saving each users “point in time” so as not to get already updated items.
• Very fined tune Clock-syncronisation. We would get all the Changed Items in SQL for the last 30 Seconds, not more not less. Otherwise we might have skipped items.
• State of the Sync when app suddenly stopped? What happens if hey modify at the same time?
• Avoiding infinite-looping update ping-pongs… Change in SQL would be updated to Exchange. In next iteration Exchange realizes something changed and sent update back to SQL…

For Prevolution GmbH in Hamburg, an application was developed to integrate the TAPI Telephony with their CRM.

The final project for the Master Degree in Computer Science at Universitat Autonoma de Barcelona was quite hardware-oriented.

Abstract: This project is about the construction feasibility of a system for the follow-up of a marmot’s population weight in high mountain. We build a weighing scale with a force sensor and a temperature sensor. These analog outputs connect to an ATmega8 microcontroller that, with an algorithm developed in this project, is in continuous listening to detect sudden changes in the weight. When this happens, the data is recorded in a SRAM memory for, later, being able to download this data to a computer for it to be analyzed by a program that has been created for such purpose.

Around 2008 I wrote Trivicat, a Java2ME game for Handys. It consisted of 200 questions about different subjects, which were later extended to 900 thanks to user collaboration. It received some press coverage from Catalan media .

Billiard Game (2006)

We developed a 3D Game for a University course in Computer Graphics. Working in a team of 5, and using C++ with OpenGL, we learned the fundamentals behind game design.

• Design of Objects with Blender
• Loading of Objects in .3ds Format along with textures
• Ball physics (crash, deceleration)
• Illumination
• Viewport transformation through the mouse
• Game workflow
• Audio Library