Professional Profile

Technical Lead and Architect with 10+ years of backend expertise in PHP and Golang. Certified Symfony developer with a proven track record of reducing production bugs by 70%, delivering 99.99% uptime, and leading teams of 5–12 engineers. Ready to switch and adaptable to any tech stack. Seeking challenging opportunities to drive architecture and mentor teams.

Achievements

  • ✅ 10+ years backend development with PHP (Symfony Certified) and Golang
  • ✅ Designed and deployed Kubernetes microservices (GKE) for high-availability
  • ✅ Refactored applications following best practices and using SOLID, GRASP and design patterns
  • ✅ Led and mentoring teams of 5-12 developers using Agile methodologies
  • ✅ Resolved 100+ production incidents

Skills

Core Technologies

  • PHP (Symfony Certified, Zend Certified)
  • Golang
  • Rest API | gRPC | Thrift | GraphQL
  • JavaScript
  • Kubernetes (GKE)
  • Docker
  • GCP
  • Kafka
  • PostgreSQL | MySQL | MariaDB | MongoDB

Architecture & Methods

  • Microservices Architecture
  • Monolith
  • Domain-Driven Design (DDD)
  • Test-Driven Development (TDD)
  • Event Sourcing & CQRS
  • Hexagonal | Onion architecture
  • Three-Layer architecture
  • CI/CD
  • Problem solving skills

Professional/Work Experience

  • CTO & Architect

    Gaming Entertainment - June 2025 — Current
    • Participated in management meetings and reported directly to the CEO.
    • Prepared and presented a Q plan for technical initiatives to the CEO and management team.
    • Reconfigured, optimized, and refactored Docker images to enable auto-scaling based on real-time resource consumption.
    • Implemented an Onin-based application architecture (clear layer separation, rich domain models) to enable a secure, reliable, scalable multitenant casino gateway handling thousands of concurrent requests with no performance degradation or database bottlenecks between tenants.
    • Implemented an Onin-based application architecture (clear layer separation, rich domain models) to enable a multitenant payment gateway handling millions of monthly transactions with 99.99% uptime.
    • Spearheaded refactoring and optimization of a monolithic casino platform.
    • Introduced design patterns, SOLID, GRASP, linters, static analysers, vulnerability checker, Behaviour-driven develoment with test covarage, CI/CD and industry best practices.
    • Insisted and held on to clean code, code quality, security, maintainability, higher availability and scalability
    • Introduced Kafka with an outbox pattern that bypassed the outbox table to resolve performance degradation issues.
    • Implemented a data warehouse (DWH) using TimeScaleDB and pg_timetable.
    • Optimized SQL queries for improved performance.
    • Created C4 architecture diagrams (Context, Containers, Components, Code) to document system design, align stakeholders, and accelerate team onboarding.

    Technologies: PHP (Symfony), Nginx, Docker, PostgreSQL, Kafka, Redis, Kubernetes, AWS, Debezium, TimescaleDB, pg_timetable

  • Technical Lead

    OpenTag - Apr 2021 — May 2025
    • Spearheaded refactoring and optimization of payment gateway processing hundreds of thousands monthly transactions resulting in 40% speed up of the development and decreasing of production issues
    • Built Kubernetes platform with 99.99% uptime
    • Reduced production bugs by 70%+ through service refactoring
    • Trained 5+ developers in microservices best practices
    • Improved database query performance by 50%+
    • Drove architectural initiatives and technical roadmaps

    Technologies: PHP, Nginx, Golang, Kubernetes, Docker, GCP, Prometheus, Grafana, ELK stack, GraphQL, React, Redis, Kafka

  • Senior PHP Developer

    Mysupply GmbH - May 2020 — Apr 2021
    • Implemented event sourcing for critical business needs (functional and non-fuctional requirements)
    • Increased test coverage from 45% to 80%+ with TDD
    • Developed REST API following HTTP standards

    Technologies: PHP (Symfony), Nginx, Docker, PostgreSQL, React

  • PHP Developer

    Stenik Group Ltd. - Sep 2018 — May 2020
    • Built platforms serving 10,000+ monthly users
    • Optimized applications for better performance
    • Improved page load times by 40% through query optimization

    Technologies: PHP (Symfony, Magento), Apache/Nginx, MySQL, JavaScript (React)

  • CTO

    Entrepreneurial project

    Self-employment - Sep 2017 — Aug 2018
    • Created fitness platform with 100+ features
    • Built subscription billing and scheduling
    • Developed real-time chat and video streaming
    • Implemented backoffice system
    • Designed rating/review system
    • Additional platform features

    Technologies: PHP (Symfony), Apache, MySQL, Node.js (WebRTC), jQuery

  • PHP Developer

    Securax EOOD - Jun 2017 — Sep 2017
    • Developed internal tools and REST APIs
    • Automated processes saving 20+ hours/week

  • PHP Developer

    Oxxy Application Ltd. - Feb 2015 — Mar 2017
    • Developed a website builder platform serving 100+ businesses
    • Integrated MongoDB for content management
    • Boosted performance by 35% with caching

    Technologies: PHP (Symfony), Nginx, Reverse Proxy, MySQL, MongoDB


  • Education

  • Master's Degree in Economics

    University of World and National Economy - Sep 2015 — Jul 2016

  • Bachelor's Degree in Economics

    University of World and National Economy - Sep 2011 — Jul 2015

Certifications

Symfony 6 Certified Developer

Issued: April 2022

Validation ID: SF6-032344

Zend Certified Engineer

Issued: March 2020

Validation ID: ZEND032344

Symfony 4 Certified Developer

Issued: September 2019

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