• Founded Udvabony.com, one of the largest electronics online stores in Bangladesh, specializing in the sale of electronics, sensors, robotics parts, and components.• Led the development and implementation of the e-commerce platform, orchestrating its design,architecture, and functionality from inception to launch.• Established partnerships with suppliers and manufacturers to expand product offerings and ensure a diverse range of high-quality products for customers.• Utilized data analytics and customer feedback to make data-driven decisions and continuously improve the platform's offerings and services.• Designed and implemented innovative features to enhance the user experience, streamline the shoppingprocess, and improve customer satisfaction.

• Engineered robust backend systems capable of handling the immense volume of product data, ensuring seamless tracking and analysis of price fluctuations.• Implemented advanced data processing techniques to efficiently manage and analyze large datasets,enabling timely identification of price changes for millions of products.• Designed an intuitive user interface enabling seamless navigation and effortless exploration of discounted products and genuine deals.• Optimized platform performance to handle large volumes of data efficiently, guaranteeing swift and accurate tracking of price changes.• Designed scalable architecture and optimized database structures to accommodate the growing number of products while maintaining optimal performance and reliability.

• Founded Binary System, an IT startup specializing in researching and developing various types of Internet of Things (IoT) products.• Conceptualized, designed, and developed the KitchenSafe IoT-based gas leakage detector, which remains a market-ready product sold commercially for household safety.• Designed and developed a smart IoT-based water controller system deployed in 9 government projects, enhancing water management and conservation efforts.• Designed PCB (Printed Circuit Boards) for IoT devices, optimizing layout and components for functionality and reliability.• Developed firmware for IoT devices, utilizing 8-bit AVR and STM32 microcontrollers, incorporating realtime operating systems (RTOS) for efficient multitasking and resource management.• Designed the enclosure for the KitchenSafe IoT-based gas leakage detector, ensuring optimal protection and aesthetic appeal.• Established strategic partnerships with government agencies and commercial vendors to expand theadoption and deployment of Binary System's IoT products.• Provided technical leadership and mentorship to team members, fostering a culture of innovation,collaboration, and excellence in IoT product development.

The In-Game currency exchange. Formalizing the In-Game Currency (IGC) markets, a win-win for gamers and publishers.• Spearheaded the development of critical backend features for the game currency exchange platform,focusing on scalability and performance optimizations.• Designed and optimized PostgreSQL database schemas, enhancing data retrieval efficiency and storage optimization for high-volume transactions.• Designed and implemented a custom columnar database engine based on S3, which decreased costs by 90% for time-series data.• Designed and implemented a robust payment system utilizing blockchain technology, providing users with secure and decentralized payment capabilities.• Collaborated closely with cross-functional teams to translate business requirements into scalable andmaintainable technical solutions.• Conducted comprehensive code reviews, resolved intricate technical challenges, and provided mentorship to junior engineers.• Automated deployment processes using Docker and Kubernetes, significantly improving deploymentefficiency and system reliability.• Architected and implemented a distributed system leveraging 1400 VPS concurrently to streamline data processing operations.

Quadrifolium is the first NFT social network. The project has been crafted with the idea of bringing a social environment for artists and collectors to create, buy and sell digital arts on their own gallery profiles with no upfront cost due to lazy minting. Quadrifolium gained popularity thanks to the showcase of their own collection called "CryptoClovers", the iconic platform collection currently being evaluated by the Guinness World Records for being the world's largest NFT digital art collection.• Collaborated in the development of Quadrifolium, the pioneering NFT social network, fostering a vibrant community for artists and collectors.• Contributed to the design and implementation of innovative features enabling seamless creation, buying, and selling of digital art within the platform.• Contributed to testing and auditing efforts to ensure the security, reliability, and compliance of theQuadrifolium platform with industry standards.• Actively participated in team meetings, brainstorming sessions, and code reviews, fostering a culture ofcollaboration and innovation within the engineering team.

• Successfully completed multiple freelance projects on Freelancer.com, specializing in software development and customization according to client specifications.• Developed multiple accounting-based software solutions tailored for local shops and companies,streamlining financial management processes and enhancing efficiency.• Developed Cable TV broadcasting and scheduling software solution used by over 100 local TV cable operators, enabling efficient management of programming schedules and content delivery.• Implemented features for scheduling, content management, and advertisement insertion, enhancing thecapabilities and efficiency of cable TV operations.• Provided training and support to clients, empowering them to effectively use the software and maximize its benefits for their businesses.