- Reduced interview costs by 20% by optimizing OpenAI calls.- Improved feedback reliability with a retry mechanism, lowering error rates from 20% to 1%.- Enhanced system performance, reducing page load times by up to 50%.- Created an OpenAI assistant to parse resumes, improving user onboarding and personalized interview questions.- Developed a centralized interview page for consistent feedback checks and quality control.- Managed AWS EC2 deployment and GitHub Actions for CI/CD, ensuring smooth updates and system stability.- Led as the primary technical point of contact, guiding the development team and making key decisions.- Integrated real-time feedback with Socket.io, reducing manual refreshes and improving user experience.- Developed AI-driven PPT and image feedback, automating evaluations.- Created assignment types for AI evaluation, including image, audio, and video formats.- Implemented a course lock mechanism for restricted access to prerequisite content.- Integrated Sentry for real-time monitoring and performance tracking, reducing issue resolution time.- Improved security by optimizing S3 bucket policies, IAM, and CloudFront restrictions.- Reduced costs by 25% through optimized storage policies for text-to-speech files.- Expanded technical documentation, covering setup, API docs, and CI/CD configuration.

- Designed and implemented user-friendly web interfaces using React.js, Next.js, and Ant-Design.- Utilized MongoDB for database management, ensuring efficient data storage and retrieval.- Implemented MySQL databases for applications requiring relational data models.- Implemented JWT for secure authentication and authorization processes.- Ensured best practices for data security and privacy across all projects.- Deployed applications on AWS, utilizing services like S3 for storage and EC2 for computing resources.- Implemented serverless backends for scalable solutions using AWS Lambda.- Created and maintained REST APIs for various applications, ensuring robust and scalable solutions.