Based in Limassol, Cyprus, I bring 18+ years of commercial experience crafting scalable solutions, from back-office systems (ERP, document management, logistics, sales reporting and planning) to high-load platforms for gambling and betting. My work focuses on simplicity, performance, and reliability.
- Languages & Technologies: PHP, Go, MySQL, PostgreSQL, ClickHouse, Redis (KeyDB), RabbitMQ, HTML, CSS, JavaScript
- Architecture & Methodologies: Versatile in Clean Code and Clean Architecture for maintainable systems, as well as Extreme Programming for rapid delivery. Proficient in DDD, modular and hexagonal architecture, monoliths, microservices, Agile, and TDD.
- Domains: Back-office systems (document management, logistics, sales), high-load platforms (gambling, betting), online course platforms, booking systems, marketplace seller analytics (data parsing + analytics), government portals, personal service portals (wishlists, messaging, microblogging).
- Tools: Git, Composer, Docker, CI/CD, IDE (PHPStorm, GoLand)
- Nozhove.com Portal: Architected and led the development of a multifunctional personal services platform, featuring wishlists (including shared and anti-wishlists), secure messenger with group chats, microblogging, collaborative drawing board, family budget management, and a classified ads board (flea market) for user-generated postings of items for sale, barter, or free giveaway with integrated search, filtering, and direct messaging for transactions. Built with a custom high-performance PHP8 framework emphasizing user privacy, scalability, and rapid feature iteration. (Ongoing)
- Regional CMS Platform (Russia): Architected and led development of a secure, independent CMS for over 100 portals for local governments and ministries in Khabarovsk, Vladivostok, and Sakhalin. Enabled template-based portal creation, cross-portal synchronization, and user-friendly administration. (PHP5/7, PostgreSQL, Redis)
- Retail ERP Modules: Designed and developed ERP modules for a major electronics retailer, including document management, helpdesk, sales forecasting, KPI tracking, and logistics/sales reporting. Mentored junior developers. (PHP5, Oracle, Redis)
- Gambling Platform: Built a scalable platform for gambling portals, integrating multi-currency support for a high-load system. Served as architect and tech lead. (PHP8, ClickHouse, MySQL, Redis, RabbitMQ)
- Custom PHP8 FrameworkG: Developing a high-performance PHP8 framework with CMS elements, prioritizing speed over strict SOLID adherence. (In progress)
I specialize in building robust, scalable solutions for complex business challenges. My strength lies in adapting to diverse methodologies—balancing Clean Code principles with the fast-paced demands of Extreme Programming—to deliver efficient and maintainable systems. Passionate about optimizing development processes and leveraging modern technologies, I believe in approaching work with unwavering resilience: staying positive through challenges, committing to excellence in every task, and fostering pragmatic, performance-driven collaboration that prioritizes quality, evidence, and results over conventions, dogmas, or fleeting trends.
- Russian: Native
- English: B2 (Upper-Intermediate)
- Telegram: @desfpc
- LinkedIn: sergei-peshalov
