.NET Developer & C# Developer

Kandidát je skúsený vývojár v jazyku C# s viac ako 12-ročnou komerčnou praxou. Na svojom poslednom projekte pracoval na vzdialenej ploche pre skenery ľudského tela. Jeho náplňou práce bolo nasadenie, údržba a oprava chýb, vývoj a implementácia nových funkcií. Je tiež vývojárom v jazyku PHP. Pracoval v rôznych oblastiach, ako je bankovníctvo, poisťovníctvo, zdravotníctvo. Z hľadiska technológií ovláda C#, .Net, .Net Core, ASP.NET, MVC, XML, HTML, CSS, JavaScript, jQuery, Oracle, SQL, PL/SQL, Rest, JSON, MySQL, PHP, Zend, SharePoint, GIT, Linux, Laravel, WordPress, Nginx. Zvyknutý pracovať v agilnom prostredí a medzinárodnom tíme.

Linux System Administrator (March 2021-Present):

• Responsible for DNS administration, Youtube life streaming, IceCast2 internet radio relay, ffmpeg video streaming, Postfix mail server admin, Postgre SQL admin, PHP-FPM admin, Nginx admin, SSL certitifates automatic renewal, Audio Video retransmission and relaying, Full system backup automation, TCPIP Firewall administration, Secure Reverse Proxy administration, Telegram API used for automatic daily reporting, and Kerberos implementation used for Microsoft domain login service (MsSQL, NTLM).

PHP Web Developer (March 2021-Present):

• Utilized WordPress API to automatically generate POSTs from XML data source, implemented Cronjob used to cache XML datasource not needed to be just-in-time ready, generated RSS feed XML/ATOM daily updates on system, and used Postgres via PDO to avoid SQL Injection.

C# Developer (May 2021-July 2022):

1. Developed a remote desktop client/server tool for human body scanners including Magnetic Resonance, Computer Tomograph, and KVM switch via TCPIP implementation.

C# Developer (September 2019-March 2021):

• Worked on fullstack development, implemented Load Balancer on IIS, deployed to production servers, developed new features, maintained and bugfixed, and refactored to latest .Net. Used technologies such as Microsoft Visual Studio 2015, Rest Services a Soap Service (client/server), OData service, bower,nodejs,npm, DNX, MsSql Server 12, MVC5, Microsft Windows Server 2013, IIS Application Request Routing (reverse proxy, loadbalancer), and Wireshark.

PHP Developer (January 2019-June 2019):

• Worked on a short term remote project including implementation of the Laravel framework, development of a tool for collecting and processing data from non-print media, Google YouTube API integration, and programming the Cache process to reduce data downloads and prevent quota exhaustion in cases such as Google API. Also worked on Linux administration including creating an infrastructure in a Linux environment, configuring DNS record services, linking Email accounts with Postgres database, integration of OpenDKIM and DMARC due to Google spam policy, configuring Lets Encrypt with Nginx HTTPS, and creating GIT repositories with web interface.

C# Developer (June 2018-April 2019):

• Maintained several applications dedicated to mortage register, worked on Win Form applications, MsSQL databases, Dev,Prod,Test environment, created Report (Report Builder), maintained and optimized of sql databases(creating,rebuilding indexes), and performed performance monitoring (long running operations,table stats). Also responsible for customer support, helpdesk tickets resolving, and billing reports.

C# Developer (September 2017-December 2017):

• Worked on a short term remote project loan system including Asp.NET CORE applications, hotfixing of known bugs, frontend CSS and javascript fixes, fixing issues on mobile devices mostly different behavior Android/Apple, MsSQL query bugs fixing, work on Asp.MVC frontend web pages, Jira task manager, GITlab with use of pull requests, and daily scrum.

C# Developer (June 2016-June 2017):

• Worked on Insurance software using Asp.net web form, created TeamCity build server, automated builds, used GIT version control system, configured IIS and IIS web deploy, programmed Selenium testing engine in Asp.MVC, developed SharePoint extension, had experience with OpenXML and ClosedXML library for MsOffice docs, integrated GPwebPay gateway for credit card payment, and used Jira task manager. Also worked as a Python tester for a month with experience with DJango frameworks, Angular 1, and single page application design (SPA), and as an Angular2 Developer for 3 months creating of SPA connected to C# back-end Rest service, experience with NodeJS, and using of Redux.

C# Developer (October 2015-May 2016):

• Programmed new features to Credit Bureau, worked on Web Forms HTML pages, Win Form desktop application, and Web service SOAP/XML using direct TCP/IP channel (not http protocol). Used Oracle database with PL/S.

Freelance (Self employed) (2 years 3 months):

• Worked as a Linux System Administrator and PHP Web Developer.