Software Engineer | PHP/TypeScript Developer

Practicing NestJS by building test project and applying Clean Architecture, DDD and TDD with Jest tests.

Built a Symfony KYC microservice integrating mobile providers and automating ID checks in the loan decision flow. Set async communication using RabbitMQ between the main monolith app. Wrote comprehensive unit tests (PHPUnit) and behavioral tests (Behat, Gherkin Syntax). Maintained a monolith app using Symfony, RabbitMQ, PostgreSQL and MongoDB. Practiced code collaboration through cross review and structured workflow with git-flow.

Proposed, designed, and independently integrated Symfony’s DI/IoC container into a legacy CodeIgniter3 project, significantly improving maintainability and code modularity. Built and maintained services (Telegram bot, mass messaging, affiliate systems, etc.) using DDD, Clean Architecture, and TDD. Contributed to service interactions, refactoring shared logic into private libraries, fixing bugs, writing tests, and setting up GitLab CI/CD pipelines. Developed PHP packages for Laravel, Symfony and automated their publishing to a private Composer registry via GitLab CI. Worked with Kafka, RabbitMQ, MQTT (as message buses), Redis (as cache), and set up Laravel Websockets. Replaced inefficient cron jobs with a queue system (Enqueue), improving performance and reliability. Created a TypeScript project with Playwright framework for E2E testing, including multiple sample test cases. Maintained a Golang project — an asynchronous data aggregator pulling from external sources.

Maintained and extended a Laravel+Vue monolith and Lumen microservices covered with PHPUnit tests. Improved understanding of Docker and refactored a lot using common OOP design patterns.

Maintained and developed new features in a high-load Laravel web application (onlinemektep.kz). Developed unit tests to ensure code reliability and maintainability. Expanded functionality of the admin panel to improve management capabilities. Implemented stored procedures for periodic data aggregation in denormalized tables to support application analytics.

Built SPA features using React and Laravel, contributing to both frontend and backend logic. Handled server-sent events solo, implementing Laravel broadcasting with Pusher and socket.io. Maintained an Android (Java) app for a special device with a barcode scanner, which was used by store employees.