•Employed API Platform versions 2 and 3 alongside Symfony 6 and 7 to develop robust API solutions.•Developed new features and implemented enhancements based on project requirements.•Investigated and resolved bugs and issues reported by users or identified during testing phases.•Created and integrated a Grafana dashboard for real-time monitoring of system statistics.•Utilised Codeception for automated testing to ensure software functionality and reliability.•Boosted API performance by over 50% through advanced SQL and Doctrine query optimization.

•Architected a robust microservice architecture, including data crawlers and RESTful API services.•Enhanced system reliability with Prometheus and Grafana for proactive monitoring.•Streamlined CI/CD processes with GitLab CI, improving deployment efficiency.•Engineered data processing pipelines and utilized Elasticsearch for high-performance search.•Facilitated seamless inter-service communication using Kafka.•Oversaw management and configuration of Linux-based virtual machines.

•Played a pivotal role in developing Iran's leading online food ordering platform.•Enhanced a large Symfony-based codebase, ensuring scalability and reliability.•Collaborated in agile, squad-based teams to deliver high-quality software solutions.

•Innovated a PDF generation service, reducing generation time by 90% using XML, XSLT, and LaTeX.•Improved academic paper submission systems, streamlining the review and publication process.•Developed on a customized PHP framework for JMS, enhancing system functionality.