Position: Senior Software Engineer
Category: DevOps
English level: upper
Years of experience: 11

Possibly an original N-nearest-points algo, which, being implemented in pure Perl, was 10x as fast as PostGIS.
A statistics engine to process and aggregate price data for a certain services, that was able to go through ca. 10k records/sec.
Server stats collecting and graphing build, polling 50+ servers at 10 sec interval and producing 200+ graphs for each of them - before ELK stack was a thing.
System for parsing out street addresses without strict formatting on the input, for a number of languages and localities.
Refactoring a 8k+ lines class, written in Perl.
Over more than 14 years of experience across all parts of the software lifecycle - from design to implementation to deployment to operation to end-user support, and, finally, to decommissioning - I’ve gained a substantial understanding of how information systems are built, how do their components interact with each other and with their external counterparts, why do they break, how one gets them back online and how to prevent that from happening again.

My professional skills include, but are not limited to:
* Building the software in Perl, C/C++, PHP, Shell, JS, Groovy and Java, with a magnitude ranging from one-liners to multi-process, multi-threaded servers;
* Managing deployment and operation of web applications and platforms to house them, including servers, DBMSes, virtualization platforms, mailing systems, VoIP, cloud services (AWS, Azure), NMSes etc.;
* Managing software build environments and CI/CD pipelines;
* Data analysis and processing, including text mining, data and image matching and deduplication;
* Stress testing web applications and platforms.
Looking for a position in software engineering that would allow me to put my skills to use by building useful, architecturally sound, maintainable, stable and, ultimately, beautiful systems.