Abdullah Zubair Tanwir is a Senior Full Stack Developer currently at Smodin since December 2023, where app. smodin was developed and launched. Previously, Abdullah worked as a Full Stack Developer at WasteHero from February 2022 to November 2023, leading significant architectural improvements for the audit log system and enhancing database performance through SQL query optimization, resulting in over 2 times speed improvement. Abdullah also held the position of Senior Frontend Developer at WasteHero, developing user-friendly components and a dynamic waste collection calendar for B2B customers. Earlier experience includes a role as a Full Stack Developer at Akiba Digital from June 2021 to January 2022, where processing time for loan applications was reduced by 50% through the use of AWS technologies. Abdullah holds a Bachelor's degree in Computer Software Engineering from the National University of Sciences and Technology (NUST), obtained in May 2023.