Designed and developed the BNPJ Wallet system for storing and managing user data, transactions, balances, and other information using Python programming language and Flask framework.• Integrated payment systems such as Stripe, Esewa, and Khalti using libraries and APIs to enable users to make payments or transfer funds through the wallet system.• Created and maintained the BNPJ Credit system that allows users to generate virtual cards for online transactions by linking their physical debit or credit cards.• Assisted customers in creating their ekyc and virtual card accounts, and provided support for any issues that arose during registration or usage.• Developed the Payment Service system that integrates multiple payment services such as Esewa, Khalti, Imepay, Fonepay, and Nic Asia payment into a single system for easy and efficient payment processing.• Implemented the Email Service that integrates multiple email services into a single system for improved communication and efficiency.• Participated in the development of the General Election of Nepal 2079 system, contributing to the backend development using Python and Django framework.• Implemented best practices for server-side programming, such as efficient coding practices, database optimization, and use of containerization and orchestration tools like Docker and Kubernetes.• Demonstrated excellent problem-solving and analytical skills to identify and resolve complex issues related to system performance, security, and user experience.• Collaborated effectively with cross-functional teams to design and implement new features and enhancements, and provided timely feedback and support to ensure seamless integration of the backend with frontend and other systems.

Designed and developed a food ordering system that involves storing and managing data about customers, orders, menu items, and other information using Python libraries and frameworks like SQLAlchemy and Django.• Utilized SQL databases such as MySQL, PostgreSQL, and SQLite to store and manage the system's data, ensuring data integrity and security.• Implemented efficient database schema design, normalization, and indexing to optimize system performance and ensure scalability.• Developed RESTful APIs using Flask, Django Rest Framework, or other similar frameworks to interact with the database and expose data to other parts of the system.• Created database migration scripts using tools like Alembic or Django's built-in migration system to manage schema changes and versioning.• Implemented caching mechanisms using tools like Redis or Memcached to improve system performance and reduce database queries.• Developed efficient data retrieval and processing logic to handle large datasets and optimize queries.• Implemented data backup and disaster recovery procedures to ensure data availability and reliability in case of system failures or data loss.• Collaborated with front-end developers to ensure seamless integration of the backend with the user interface and other system components.• Provided support and troubleshooting for any database-related issues, and implemented monitoring and logging mechanisms to detect and prevent errors and anomalies in the system's data storage and retrieval processes.

Designed and developed a retail store inventory management system that tracked inventory levels, processed orders, and managed stock.• Utilized a backend database to store information about products, suppliers, orders, and other inventory-related data.• Implemented algorithms to automate inventory management tasks such as reordering, restocking, and tracking sales data to optimize inventory levels and prevent stockouts or overstocking.• Developed custom reporting tools to provide insights into inventory performance, including stock levels, order processing times, and sales trends.• Worked closely with front-end developers to ensure seamless integration of the backend inventory management system with the user interface.• Oversaw a team responsible for inventory management, providing guidance and support to ensure accuracy and efficiency in inventory tracking and order processing.• Utilized version control tools such as Git to manage code changes and collaborate with other developers on the project.• Developed custom APIs and integrated third-party applications to improve inventory management processes and increase efficiency.• Implemented automated testing frameworks to ensure the reliability and accuracy of the inventory management system.• Provided support and troubleshooting for any issues related to the inventory management system, including data inconsistencies, order processing errors, or user interface issues.• Improved system performance by optimizing queries and improving code efficiency.