Samuel Behan

payout.one / HA Architecture design, Database Architect SnagApple LLC. / Real-estate search and lead app for realtors, SOLR and Backend Architect/Developer superbet.ro / SLA monitoring with Prometheus payout.one / Application Monitoring A36analytics.com / Full-Stack Developer, SOLR Search expert

Job search engine for Slovakia, with over 120k monthly visitors and 800k page views. Built with Perl, Java, Lua, XML, XSLT, Nginx, SOLR, PostgresSQL, ETL...

Maintenance of old DWH load scripts for QlickView reports Created specialized ETL framework to speedup DWH data loading, with focus on simplified development of additional ETL configs Created reporting engine for sending text, HTML, CSV, XLSX reports Created alarm framework for monitoring differences between DWH and production databases Implemented additional automation tools (Jenkins auto-scheduling...)

Development and maintanance of intranet security tool for managing infrastructure access permissions - InfraSec

High-availability and high-performance parallel lottery system development (C) Design and implementation of several automation tools(Rolling Upgrade automation, System Action automation, Regression Testing automation – C/Perl/Shell) Perl/Shell scripts for management and active monitoring Partial on-site support and call/defect resolution for German Lotteries Custom sqlite extensions development...

Intranet/Internet applications design/implementation (mainly backend) Media content delivery using MS DRM scheme (for T-Mobile Slovakia)

European Trian Control System (ETCS) development project (embedded systems). Hired for development of real-time, fault-tolerant, diverse system for track to train communication project for railways. Responsible for implementation of high performance ETCS communication subsystem

Project for secure email communication (on embedded linux) Hired for code & security & performance review of existing source code and security audit of basic infrastructure used by Securecoms devices.

project SiNMs (Siemens Network Management System) Leader of product CORBA Migration for new major product version (complete C/C++ components rewrite, architecture redesign) Responsible for all C/C++ components maintenance & development + fixing of old undocumented C/C++ components Responsible for Solaris OS Maintenance/Patching on customers site Member of 24/7 Hot-line team

Development of customer software for embedded environments

Starting new city ISP network. Installation & maintenance & securing of wireless backbone network (802.11b) ISP service base creation (planing / control / accounting / management) Creation of complete customer web hosting solution (WWW + Mail + DNS) Security management, NIDS

Development of various projects: • log-malloc2(memory allocation tracking library / C) • eldap(SASL authentication module / C) • passwd_exp(password expiration email notifier / Perl) • solr-pager(SOLR indexing engine plugin / Java) • Test::Tokenizer(flex based lexical analyzer for Perl / C) • https://8h.sk (job crawler and search engine, 40k unique visitors / month)