Evgeny Igumnov

Evgeny Igumnov

Principal software developer specializing in Rust, backend systems, and AI-assisted software engineering with Codex and Claude Code.

Location: Kazakhstan, Astana, Z10M9K2, Zheltoksan 2/1 - 66

Telegram: @ievkz

Reddit: https://www.reddit.com/user/ievkz/

Habr: https://habr.com/ru/users/igumnov/articles/

Books: https://www.litres.ru/author/evgeniy-valerevich-igumnov/

E-mail: igumnovnsk@gmail.com

Achievements

  1. MyLivePage Service – Website Builder: Successfully scaled to 10 million users with over 20 million page views per day. Stack: Linux, PHP, Lighttpd, MySQL, Memcache.
  2. CBLT Web Server – Engineered a custom web server that outperforms Nginx by 10x for serving static files under 100KB. Stack: Rust, Tokio.

Maintainer in Open Source Project:

CBLT: Safe and fast minimalistic web server, written in Rust, it works 10 times faster than Nginx.

https://github.com/evgenyigumnov/cblt

Work experience

Jetico, Finland. September 2020 — Present. Principal Rust Developer.

Work in an AI-assisted development workflow using Codex and Claude Code for codebase navigation, implementation, refactoring, debugging, and test generation, while maintaining production-level quality standards.

Implemented an adaptive open-set text-classification training pipeline in Rust using Candle/CUDA, including Linear Head training with stratified splits, per-class TPR-based threshold calibration, iterative fine-tuning with snapshotting, best-model selection by min(total_errors), and reproducible JSON bundle save/evaluate with confusion matrix and open-set accuracy.

Developed a document search and indexing engine in Rust using Actix, Tokio, SeaORM, and SQLite.

Built an activation license server in Rust using Actix-Web, Diesel, and MySQL.

Jetico, Finland. September 2014 — August 2020. Principal Java/Scala/Angular Developer.

Developed Jetico Central Manager server using Scala, TypeScript, Spring Framework, Hibernate, and Angular.

Created the TotalWipeOut server using Java, TypeScript, Spring Framework, Hibernate, and Angular.

Developed Jetico Messenger server using Scala, Akka, Slick, TypeScript, Angular, Docker, and Kubernetes.

Built a License Generator using Scala, Play Framework, and Slick.

MyLivePage, USA. January 2007 — August 2014. Founder, Senior PHP Developer, Highload Expert.

Managed and built all departments of the company.

Developed the core CMS in PHP and optimized it for high-load environments.

Provided expertise in SQL optimization, caching, and performance improvements.

Geocad, Russia. February 2001 — December 2006. Principal Java Developer.

Worked on backend development and database structure design.

Provided performance tuning and technical expertise.

Le Petit Fute, France. September 1996 — January 2001. Perl Developer.

Developed websites and designed database structures.

Education

Master of Computer Science, Novosibirsk State Technical University. 1996–2002. Faculty of Automation and Computer Engineering, Software Development.