Mehdi Alizadeh

Led a cross-functional team to launch StreamingCheck and Spielfinder products from scratch, meeting hard go-live deadlines and subsequent feature releases. Designed and operated AWS infrastructure (via AWS CDK) for the two soccer products; and later established CI/CD and environment automation with Ansible. Stayed hands-on in development while establishing clear architecture, coding standards, and predictable delivery. Tech: PHP (Symfony), React, Remix, MySQL, Redis, AWS CDK, Ansible

As Technical Lead, directed delivery of a customer-support back-office and migration of services to Kubernetes infrastructure. Improved support workflows and responsiveness. Tech: PHP (Symfony), MySQL, RabbitMQ, Kubernetes

As Technical Lead, directed and hands-on implemented an in-house back-office application replacing the legacy tool which was very slow; increased agent productivity and transparency. Introduced Elasticsearch for faster case lookup and auditing (search latency down to less than 100 ms over 12 million customer orders data). Tech: PHP (Symfony), MySQL, RabbitMQ, Elasticsearch

Built high-volume ingestion of external offer feeds and produced product/offer data feeds for internal consumers. Optimized MySQL data models and asynchronous pipelines (RabbitMQ, Redis) for large datasets. Promoted to Lead Software Developer. Contributed to development and improvement of an internal feed system that many teams used in Shopping Services to share data between their applications. Tech: PHP (Symfony), MySQL, RabbitMQ, Redis

Built high-volume ingestion of external offer feeds and produced product/offer data feeds for internal consumers. Optimized MySQL data models and asynchronous pipelines (RabbitMQ, Redis) for large datasets. Promoted to Lead Software Developer. Contributed to development and improvement of an internal feed system that many teams used in Shopping Services to share data between their applications. Tech: PHP (Symfony), MySQL, RabbitMQ, Redis

Developed features for the Shopping Search platform; collaborated on relevance and performance improvements using Elasticsearch. Implemented an API using Flask for Python, that used a trained AI model to calculate relevance scores for search keywords. Tech: PHP (Symfony), MySQL, Elasticsearch, RabbitMQ, Redis, Python (Flask)

Led and contributed to the company’s e-commerce portal, introducing Elasticsearch and enhancing platform scalability and reliability. Mentored developers and coordinated delivery across initiatives. Tech: PHP, MySQL, HTML/CSS, Javascript, Elasticsearch

Started as a part-time backend developer on a price comparison platform; later became team lead for the project. Implemented core backend features and guided the team through iterations and growth. Tech: PHP, MySQL, HTML/CSS, Javascript