Robert Preskar
Verified Expert in Engineering
Software Architecture Developer
Zagreb, Croatia
Toptal member since September 26, 2017
Within 17+ years of IT professional experience, development was Robert’s starting point, the continuity throughout the different positions in his career, and his "zen" point. Robert’s specialty is business process analysis and integration of different technologies and systems into meaningful data streams used for BI. C# and .Net Core are the latest add-on to set of tools he is using to achieve the most demanding integrations.
Portfolio
Experience
- Object-oriented Programming (OOP) - 17 years
- SQL - 15 years
- Software Architecture - 10 years
- MySQL Server - 7 years
- SQL Server Reporting Services (SSRS) - 5 years
- REST APIs - 3 years
- C# - 2 years
- .NET Core - 1 year
Preferred Environment
Subversion (SVN), Git, Visual Studio, OS X, Linux, Windows
The most amazing...
...thing I've done is a mobile phone 2 factor authentication token with pin hinting based on 100+ country flags and all fitted in 31 KB.
Work Experience
Head of Digitalization
Rimac Automobili
- Digitized processes.
IT Director
BoatBooker
- Maintained and developed BoatBooker nautical platform software based on C#, ASP.Net and WebForms technologies. Platform contains of nautical database handling more than 15000 chartered boats with full details, fully blown web application used by businesses to do their back office work and set of different APIs used to integrate to and from BoatBooker platform.
- Envisioned, designed, and co-implemented BBUSS product which is a tool to seamlessly integrate different nautical platforms to a single data stream. BBUSS is fully horizontally scalable solution which maps, prioritize and sort all relevant chartering information including real time availability of vessels. Developed in C# ASP.NetCore with support of replicated and/or clustered MySQL.
- Envisioned and customized SugarCRM for Boatbooker team connected with BoatBooker platform using PHP, SQL trigggers and stored procedures.
- Built business intelligence portal for usage of management, sales and operations team within BoatBooker using MS SQL Reporting Services.
Chief Solution Architect
Asseco SEE Croatia
- Development team lead and product manager for mobile banking solutions and eCommerce 3D Secure solution.
- Envisioned and developed mobile banking application with integrated token based 2 factor authentication. Mostly in charge overall solution architecture, but developed and maintained back-end integration side, as J2ME versions of applications.
Development Lead, developer
Logos
- Developed banking enterprise applications and SmartCard based authentication modules. Implemented Java applet/ActiveX components for online internet banking authentication with SmartCards, as many banking applications secured with PKI digital signatures.
- Integrated Entrust/Baltimore/Microsoft Certificate Authority and other PKI based services within required PKI environments.
- Developed software based POS applications in accordance to ISO 8583 and related standards.
- Envisioned and co-developed enterprise 3D Secure banking solutions in accordance to MasterCard and Visa standards, and certified those solutions with both card brands.
Experience
BoatBooker Nautical Platform
Education
Master's Degree in Computer Science
Zagreb University - Zagreb
Skills
Libraries/APIs
REST APIs, Sugar, jQuery
Tools
Jira, SugarCRM, Subversion (SVN), Dapper, Birt Report, GitHub, Visual Studio, Git, NGINX, Microsoft Visual C++, Microsoft Power BI, Jenkins, Confluence
Languages
C#, SQL, C++, Java, C#.NET, C, PHP, PHP 7, JavaScript
Paradigms
Object-oriented Programming (OOP)
Storage
MySQL Server, SQL Server Reporting Services (SSRS), Microsoft SQL Server, RethinkDB, PL/SQL, MySQL, Oracle RDBMS
Frameworks
.NET Core
Platforms
Drupal 7, J2ME, Windows, Linux, OS X, Drupal, Debian, Jakarta EE (Java EE or J2EE)
Other
Software Architecture, Office 365, Apps
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