SIARHEI SYCH
SIARHEI SYCH

Senior PHP Developer

Actively looking · Member since 30 Jun 2026
Message
Location
Belarus
Desired salary
Unspecified
Work preference
Full Time
Experience level
Not set

About

Professional summary

I am a Senior PHP Developer with more than 10 years of experience building scalable web platforms, SaaS products, and high-load eCommerce systems for US and EU markets. My background is centered on PHP/Laravel backend architecture, API design, performance optimization, and cloud-native infrastructure.

I specialize in designing systems from scratch and improving them under production load. I have worked extensively with distributed systems, queues, observability, payment integrations, and backend performance tuning, with a strong focus on reliability and scalability.

My technical stack includes PHP, Laravel, Python/FastAPI, REST APIs, MySQL, PostgreSQL, Redis, Memcached, Docker, Kubernetes, Nginx, Linux, CI/CD, RabbitMQ, Kafka, Prometheus, and Grafana. I also have supporting frontend experience with Vue.js, JavaScript, Tailwind, and Bootstrap.

Over the years, I have contributed to product companies, agencies, and outsourcing teams across different domains including vending management, eCommerce, healthcare directories, and custom PrestaShop development. I have built internal analytics tools, product configurators, loyalty systems, reporting dashboards, and integrations with ERP and payment providers.

I have a strong record of delivering remote work for international clients and collaborating across distributed teams. My experience includes optimizing database queries, improving application performance, implementing monitoring stacks, and maintaining CI/CD workflows for containerized deployments.

I hold a degree in radio electronics and quantum information systems from Belarusian State University. I am fluent in Russian and have intermediate English, and I am comfortable working in technically demanding environments where backend architecture and system quality matter most.

Skills

26 capabilities

Experience

Career history

Senior Backend Engineer (PHP/Laravel) 365 Retail Markets

Designed and maintained REST APIs integrating external vending management systems; optimized database queries and indexing strategy; built internal analytics and reporting tools; contributed to CI/CD pipelines and containerized deployment workflows.

Senior PHP Developer Polyany

Developed complex PrestaShop modules and payment integrations; designed a product configurator system; integrated ERP systems via REST APIs; implemented UI automation testing for frontend workflows.

Senior PHP Developer ClientCard

Developed an online food marketplace for a Swiss client; implemented a loyalty system and extended back-office analytics; improved performance and usability of customer profile workflows.

Senior PHP Full Stack Engineer DoctorHelps

Architected and developed the platform from scratch; designed scalable Docker infrastructure with Nginx load balancing; implemented search engine using Sphinx; built monitoring stack with Prometheus and Grafana; integrated subscription payments; implemented caching strategy to improve response times.

Senior PHP Developer SPM

Developed 50+ commercial modules used by global customers; achieved PrestaShop Modules Partner Creator status; built loyalty, reviews, referral, and marketing automation systems.

Middle/Senior PHP Developer BELVG

Worked with Magento and PrestaShop; created stores from scratch; changed store designs; developed modules; built custom framework-based stores.

PHP Developer Gipper

Worked on a startup advertising products online; developed user profiles, blog, and reviews for a high-load project; created statistics systems based on Google Analytics API; parsed data from external sources via API and regular expressions.

Education

Learning history

Belarusian State University

Radio Electronics, Quantum Information Systems

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