Engineered a scalable B2B application featuring automated ERP and catalog management functionalities to significantly streamline and optimize core business operations. This system unified inventory, order processing, and client accounts into a single source of truth, reducing manual entry and errors.

Developed a robust user authentication and authorization system, employing modern hashing and key management techniques to ensure maximum security for sensitive user data. By enforcing strict access controls and session management, this system effectively safeguarded user accounts and prevented unauthorized data access.

Dramatically optimized API and database query performance by 40% through strategic implementation of caching and asynchronous processing techniques. This optimization directly resulted in faster API response times, reduced server load, and a demonstrably smoother user experience.

Engineered a high-performance data pipeline to manage bulk data ingestion from a paginated third-party API, architecting a solution that significantly increased data processing throughput. This enabled the platform to handle large-scale data imports efficiently, ensuring information was updated in near real-time without system bottlenecks.

Deployed AWS Secret Manager to centralize and secure all API credentials and sensitive keys, significantly lowering security risks and improving regulatory compliance. This initiative successfully migrated all sensitive credentials away from insecure configuration files and environment variables, hardening the application against leaks.

Built the scalable backend logic for core SaaS operations, including managing user profiles, subscription tiers, and billing data, creating a flexible system to support seamless future growth. The modular design of this system allowed the company to easily introduce new pricing plans and manage a growing user base without costly re-engineering.