Back End Developer, VIVO-CHAT
Building a scalable chat support platform using Symfony, PostgreSQL, Redis, RabbitMQ, WebSockets, and RPC.
Ilia Agafonov
Back End developer with 10+ years of experience.
Top Skills
- PHP: Symfony Framework, Yii
- Python: FastAPI, Pandas, Telebot
- SQL Databases: PostgreSQL, MariaDB (MySQL), ClickHouse
- Message Queues & Non-SQL Databases:: RabbitMQ, Redis
- Containerization & CI: Docker, Docker Compose, GitHub Actions
Professional Experience
Lead Back End Developer, LEADGID
Refactored and optimized an online advertisement system (Real-Time Bidding): 20+ microservices (Yii2, Swoole, FastAPI, Pandas, Node.js), improved queue performance in RabbitMQ, and tuned SQL in MariaDB & ClickHouse.
Led the revival of a dormant legacy system and guided it through a successful production launch.
Full Stack Engineer, GetCourse
Developed GCPay online payments system with Yii2 & MariaDB; conducted code reviews and QA.
PHP Developer, Eqvanta
Backend development of a Yii2-based fintech platform:
- Designing and optimizing PostgreSQL schemas
- Building CRM modules and SOAP & JSON APIs
- Integrating external services via RabbitMQ
- Configuring Docker-based local and CI environments with Git hooks and Codeception unit and functional tests
- Authoring documentation and cross-team code reviews.
- Trained junior developers in writing unit and functional tests and implementing CI/CD workflows.
PHP Developer, Amigoweb
Backend development of a Yii2-based fintech application using Symfony modules:
- Developed CRM features and console commands
- Authored unit and integration tests with Codeception
- Designed and managed PostgreSQL databases
- Built message-driven integrations with RabbitMQ
- Configured Docker Compose environments for local development and CI