Led a Client Project for Technology Stack Upgrade and Feature Expansion: - Directed a team of 3 developers (2 Backend, 1 Frontend) to revitalize an outdated technology stack and introduce new features. - Spearheaded task decomposition and provided technical solutions at every level, including database design, architecture, and API responses. - Managed the backend technology stack, ensuring seamless integration and functionality. - Designed and implemented continuous integration/continuous deployment (CI/CD) pipelines and AWS infrastructure using Terraform. - Developed a highly efficient S3 file upload process, optimizing performance. - Crafted a dynamic and intricate permissions and access pattern system to accommodate various user roles. - Implemented user-friendly document parsing with error handling for non-technical users, enabling partial saves and error threshold management. - Successfully migrated all functionalities from the old system, enhancing performance and integrating new features. - Executed an ETL script to transfer 20GB of database and 20TB of PDF documents from an on-premise Windows server to AWS cloud and Auth0, completed in a few hoursDeployment of Serverless Infrastructure Across Multiple Projects: - Independently set up serverless infrastructure for 4 diverse projects (including AWS Lambda, ECS, VPC, RDS, S3, Cloudfront) using Terraform. - Configured CI/CD pipelines utilizing CircleCI and GitHub Actions. - Authored APIs for each project, handling authentication, data computation, and integration with various third-party services. - Projects spanned several industries, including Betting, Real Estate Market, and Fintech

Fintech API Development and System Integration: - Developed a Fintech API for managing user transactions and cards. - Implemented Single Sign-On (SSO) via KeyCloak for a Shopify store and a Single Page Application (SPA), enabling unified authentication across services. - Efficiently transitioned from an old to a new fintech API within weeks, aiding the client in securing new investment.Leadership in Developing an Online Marketplace Platform: - Headed an internal project akin to OLX for buying and selling goods, starting from inception. - Coordinated a team of 7 (4 Backend, 3 Frontend) developers, managing task allocation and API implementation. - Oversaw deployment of CI/CD and AWS serverless infrastructure via Terraform. - Successfully launched the platform with no critical bugs or downtime in 2 years, currently in a support phase.