• Designed and implemented an AWS-based serverless backend, using AWS services API Gateway, Lambda, DynamoDB, S3, and SQS. It required serving millions of users and handling 10,000 API hits per minute.• Developed and launched Summari's flagship Link Previews product and its API, working as a team with fellow engineers, product designer team, and product management to serve large scale customers. - Link Previews is built utilizing Preact and TypeScript. It displays AI-generated previews in dynamic popups, enhancing user engagement and significantly improving key SEO metrics.• Designed the automation pipeline for the Link Previews product, employing Node, TypeScript, and AWS to facilitate constant indexing and preview generation for customers. This tool enabled effective onboarding of new clients and served as a revenue stream for the company through its usage-based charging model.• Spearheaded the development of the company's administration app working directly with the CEO and product manager. Leveraging React and Retool, these tools dramatically improved customer onboarding and empowered the team to swiftly handle all client requests.• Optimized Summari’s Themes pipeline by enabling ingestion of up to 60,000 data points and improving our clustering algorithm. Updates enabled thematic title generation for large scale customers.• Crafted B2B newsletter generation and sharing apps utilizing TypeScript, React, NextJs, and in-house AI models.