• Devised an event-driven Student Progress Platform centralizing analytics, exams, and content using InfluxDB, Airflow, Postgres, Redis, and NestJS.• Optimised the Exam Service by implementing TypeSense as a document database, reducing API response time by 95.9% (from 3900 ms to 160 ms) and significantly enhancing user experience.

• Directed a team of 6 proficient Backend Engineers, fostering enhanced collaboration and productivity.• Crafted SaaS balance services, overseeing 100% of TL's financial, user balance, and corporate services.• Engineered a seamless subscription management system, simplifying sign-ups, plan administration, and payment processes.• Collaborated cross-functionally, elevating architecture discussions, and steering agile development for cutting-edge solutions.• Implemented a Price Predictor for Trips, enhancing the precision of trip cost estimates.• Established a marketplace for buying/selling trucks and parts, expanding TL's offerings and user engagement.• Contributed to the money settlement project for drivers and owners, streamlining financial transactions and enhancing transparency.

• Engineered TL’s Image Server in Go to efficiently store documents related to Trucks, Users, and more on GCP's GCS instance. Implemented Redis to optimize GCS costs and reduce server load.• Designed and developed Truck Lagbe's Driver Referral service from the ground up using Go Lang and MySQL.• Ensured service reliability with minimal downtime, implementing strategies for continuous improvement.• Provided software architectural solutions across various projects, introducing best practices and standards to enhance overall development quality.• Developed the Mobile Financial Services (MFS) Module with SSLCommer Payment Gateway integration for both b2c/c2b payments and purchases.• Established and managed the API gateway for Truck Lagbe, facilitating seamless communication between different components.• Created and maintained proxy servers like NGINX to optimize network traffic and enhance system security.• Pioneered the development and management of Truck Lagbe SaaS (Software as a Service) offerings, ensuring scalable and efficient software delivery to users.

• Developed Truck Lagbe's Cash Disbursement module using Node.js, Express.js, MySQL, Angular.js, Cron, and JavaScript.• Contributed to the design and development of ReST APIs and Databases for Truck Lagbe's Admin Panel.• Implemented the Mobile Financial Services (MFS) Module, integrating bKash Payment Gateway for b2c/c2b Payment and Purchase.• Played a key role in the successful deployment of Truck Lagbe's modules on the AWS Production Server.• Automated Single, Bulk, and Campaigned Push Notification Module with Google FCM, PHP, MySQL, and JavaScript.• Worked on designing and developing ReST APIs using Node.js, Express.js, MySQL, MongoDB, and PHP.• Assisted in the deployment and maintenance of Truck Lagbe's Staging Server.• Contributed to the development of the Truck Lagbe iOS app.• Gained experience working with the JavaScript OnsenUI framework for specific functionalities.