Liam Manesh Email & Phone Number

London, United Kingdom

• Quantcast is a DSP specialising in AI-driven real-time advertising, audience insights, and measurement. During my tenure in the RTB group, I actively participated in the Inventory, Control, and Edge Service Teams.
• Leading an ongoing project to replace a legacy 12-year-old pixel stack, handling a substantial workload of hundreds of thousands QPS. My primary focus is to ensure a smooth transition with minimal downtime and.
• Took on ownership of a large-scale real-time aggregator system, enhancing its stability, testability, and maintainability.
• Devised and implemented an adaptive sampling system, resulting in an impressive 80% reduction in time-to-life for campaigns.
• Optimised the spend controller service, achieving a 200% cost reduction while maintaining optimal performance.
• Successfully incorporated support for various privacy compliance regulations, including GDRP, CCPA, COPPA, and GPC.

Tehran Province, Iran

• Tapsi is a pioneering Iranian ride-sharing company that holds the distinction of being the first startup in the country to go public. At Tapsi, I played a pivotal role in leveraging big data. Through my contributions.
• Led a team of 3 engineers in designing, implementing, and maintaining a linear scalable and fault-tolerant data warehouse and distributed computation stack resulting in improved efficiency and reduced query times by an.
• Designed and developed a synchronisation service to ensure data warehouse consistency with production databases, enabling accurate and up-to-date analytics.
• Built a stream processing application responsible for schema inference, persistence, and automatic creation of Hive tables for events submitted into Apache Kafka.
• Managed the setup and maintenance of data pipelines and reporting systems, handling tens of thousands of jobs per day.

Tehran Province, Iran

• During this period of my tenure as a Data Engineer, I also served as a Technical Product Manager, directly reporting to the CEO. In this dual role, I accomplished the following:
• Collaborated closely with team leads to define a comprehensive technical roadmap aimed at minimising technical debts and breaking down features into actionable tasks.
• Designed an end-to-end encrypted chat feature, implementing robust security measures by utilising Diffie-Hellman and AES algorithms. Additionally, designed and implemented backend RPC endpoints.

Tehran Province, Iran

• Designed and Implemented a high-performance realtime unique count service to calculate user interaction with messages (e.g a message has been viewed by 1M unique users) leveraging Apache Flink, Apache Kafka and.
• Orchestrated seamless data migration from legacy MySQL to Cassandra, minimizing downtime through strategic planning, meticulous execution, and comprehensive testing. Ensured data integrity and uninterrupted service.
• Played an instrumental role in enhancing the core messaging, broadcasting, and file serving services by implementing new features using Akka and Scala.

Tehran Province, Iran

Developed an online hotel and hostel booking microservice utilising Yii framework and MySQL, facilitating seamless reservations. This initiative was undertaken as part of a division's venture into the burgeoning hospitality market.

Remote

In my part-time role at HungerStation (later acquired by Food Panda), an online food court, I proactively identified and resolved bottlenecks to optimise website performance, ensuring a seamless user experience.

Tehran Province, Iran

In my role as a contractor, I undertook the responsibility of conceptualising and executing a PPC (Pay Per Click) ad platform for PersianBlog. This involved leveraging a diverse range of technologies, including NodeJS, RabbitMQ, MongoDB, as well as PHP and MySQL, to deliver an efficient solution.

Tehran, Iran

As a junior web developer at Shiveh Crop, I enhanced the stability and functionality of their flagship project. Implemented real-time GPS tracking using PHP (Zend Framework) and MySQL, and introduced additional valuable features.

Master Of Science (Msc), Information Technology

During my pursuit of a Master's degree in Information Technology, I focused on a specialised program that encompassed both Computer.

Bachelor Of Science (Bs), Computer Engineering

Teaching Assistants: • Fundamental of Computer Programming, Fall 2011, taught by Eng. Zamanian • Machine Language and System Programming.