Responsibilities & achievements

• Maintained the admin panel of an online store using the application. • Utilized a separate copy of the application for CRM system management. • Developed user authorization strategies. • Implemented preliminary data caching for improved performance. • Created a hybrid architecture with partial microservices use. • Handled processing and validation of incoming requests. • Developed a request queue system and eliminated duplicate requests using Bull.js. • Created a task scheduler service for automated operations. • Developed a multi-tenant structure to support multiple clients on a single instance. • Configured API authentication for secure access.

Responsibilities & achievements

• Created new functionality according to project specifications, including the development of survey functionality. • Added new features to existing code and handled change requests. • Developed custom functionality tailored to specific project needs. • Performed data migration to support updated and new features. • Deployed updates and new functionalities to the live environment. • Communicated directly with the client to understand requirements and provide updates. • Managed code across both front-end and back-end systems. Technical Challenges: • The project initially started small, intended for the client and friends, using Firebase for its speed and cost-effectiveness. • Two months in, the need for additional functionalities (chat, settings, notifications via mail and phone, etc.) led to the decision to migrate to Nest.js for its suitability for the expanding scope. • Led a complete migration to Nest.js, significantly improving work productivity and accommodating the increased complexity and new features.

Responsibilities & achievements

• Used Next.js, Redux, Video.js, and Styled Components for front-end. • Used Node.js for back-end.

Responsibilities & achievements

• Developed new microservices from scratch, including chat service, appointment service, setting service, and contact service, among others, to modularize functionality and improve scalability. • Updated private modules within the application to enhance performance and maintainability. • Designed and developed database structures for use in microservices, ensuring data integrity and efficiency. • Researched and implemented new approaches to improve microservices, such as pagination by cursor for data retrieval efficiency and SAML authentication for secure access control, along with extending existing functionality.