Nikos T.

Full Stack Developer

775 dollar

My experience


Vision SolutionsSeptember 2011 - Present

• Developed a CRM system for a betting corporation subsidiary

• Developed an innovative claims management and on-line auction integration application for the local branch of a multinational insurance firm and for a motor auction firm. Utilized SignalR push messaging

• Designed a hiring process, with a mix of algorithmic (proprietary problems), technical knowhow (object-oriented programming, database, programming languages) and behavioral questions. All programmers that passed the interview, were exceptional developers and had great careers in the long-term

• Formulated an on-boarding training method, based on core best-practice principles, such as clean code, refactoring & TDD

• Developed the CRM and Document Management system of Swiss Swiss Approval certification body

• Developed many Channel Manager/Integration modules with direct connections to OTAs (Homeaway, Tripadvisor), other channel management platforms (RentalsUnited, BookingPal), booking engines (WebHotelier), CMS (Wordpress), Form Utils (JotForm) and other ERP/CRM systems (Zendesk). Developed the PMS API and B2B modules.

• Developed from scratch a hospitality (luxury villa rentals) PMS. Converted clients from other systems as Kigo (the industry international leader) such as in the case of Villa Beat through innovation, technical excellence and ability to adapt to individual client needs

• The system manages more than 5,000 high-end properties in Greece, Switzerland, France, Italy, Spain, Austria managing bookings of more than $20M per year

• Clients are among the best villa agencies worldwide in specialized press (Travel + Leisure and Condé Nast Traveller)

• Clients achieve 20%-110% annual growth after 1-year system use, through innovative automation capabilities, which also increase sales force and marketing effectiveness

• Collaborated with Mozaik Hospitality on a booking engine project called bookwize. Mozaik has offices also in Switzerland, with over 600 luxury hotels as clients and more than 70 employees, a 9 person .NET development team, producing stateof-the art UX for its clients

• Developed the latest channel manager for Bookwize (implementation sample 1 & sample 2). Channel managers are modules connecting real-time tourism information systems such as,, Fidelio or other PMS

• Developed the latest Bookwize reporting/business intelligence features

• Responsible for secure software development and PCI DSS compliance of the software


Geniki Exypp Prostasia GroupApril 2009 - October 2011

• Introduced collection targets per employee, depending on total due amounts (each representative was assigned clients). Automated the follow-up process. Cash-flow improvement (cash-reserve increase) by 70% despite the Greek debt crisis. GEP Group grew by 8% in 2009 and 10% in 2010 despite severe recession in the firm’s main markets (ie construction, manufacturing)

• Financial modeling (cash-flow, profitability) & banking costs reduction by 70% the first year, with cost-cutting measures

• Development of a payment automation workflow management software and a custom rostering software with genetic algorithms


FreelanceSeptember 2008 - April 2009

• Development of a CRM, budgeting, project management and activity-based costing application for media companies.

PUBLICATIONSJanuary 2008 - March 2008

• European Journal of Operational Research (2008) Tarantilis CD, Kiranoudis CT, Theodorakopoulos ND “A web-based ERP for business services & supply chain management.Application to real-world process scheduling”.
This paper was the 4th most popular among all publications of all Elsevier decision sciences journals for Jan-Mar 2008

Action SynergyNovember 2003 - August 2007

• Recruited to startup an in-house enterprise software unit to develop from scratch & deploy enterprise software

• Developed CRM/ERP systems with +30 successful implementations solving critical business problems

• Generated over $2.4mil. of revenues, unit incurred 80% increase in company sales and 200% in profits (2005)

• Implemented cost-optimization techniques (meta-heuristic algorithms). Applications published in scientific journals

• Recruited & led a 6 person development team

My stack


Angular, .NET, Entity Framework, AngularJS, REST, jQuery


Spanish, Bitbucket, Customer relationship management, API, Project Management, SOLID

Software testing

Unit testing, Test Driven Development (TDD)




JavaScript, C#, SQL, C++, T-SQL, C/C++, LINQ, ASP.NET MVC, TypeScript, HTML, CSS, MVC, Microsoft Visual C/C++, Jscript

IT Infrastructure

Novell Netware, Git

Analysis methods and tools

xUnit, Selenium, DevOps, MVVM, Design Patterns


MySQL, Oracle, Microsoft SQL Server



My education and trainings

MBA, Business Administration - INSEAD