Hani Ansari Email & Phone Number

Amsterdam, Nh, Nl

Tehran Province, Iran

Led development of Sanjagh, an ad-tech platform delivering over 10 billion monthly ad impressions to more than 50 million users.• Spearheaded migration from monolithic to microservices architecture, implementing event-driven design that increased platform capacity by 10x without additional hardware.• Optimized ad serving performance by identifying bottlenecks in design and codebase, and implementing key fixes like using asynchronous processing, and improving database design resulting in a 80% reduction in response time for millions of daily requests.• Revamped the financial service, resulting in more reliability in storing customer credit data and a 5x boost in transaction processing capability by breaking the job into separate stages and using proper database indexes.• Implemented a fraud detection solution to identify and blacklist fraudulent clicks and impressions by gathering data from different services to flag suspicious behavior which increased the average ROI of clients and enhanced overall platform credibility.• Led a team of 5 engineers in the development of a new client-facing dashboard, resulting in easier campaign management and significant growth in the number of ads created per day.• Developed an A/B testing service for ads and campaigns, featuring multiple creatives. This resulted in a significant increase in user ad interaction and empowered campaign managers with data-driven insights to select the most effective creatives.

Tehran Province, Iran

Co-founded and developed SarashpazPapion, a food and cooking social network engaging 500,000+ monthly active users.• Created the initial product release from the ground up utilizing PHP, Laravel, and MariaDB on the backend and Java on the client side resulting in the successful launch of the application and acquiring 100K users in the first three months.• Detected and optimized slow database queries through rewriting, indexing properly, and redesigning table structures, which reduced execution time by more than 90%.• Dockerized the whole project for development and production environments, and authored staged dockerfiles which led to a more than 50% reduction in image size and a faster build time.