Worked on various backend services written in Kotlin/Node.js, highly tied with AWS Services. Delivered features spread across multiple services.

Managed an infrastructure of multiple Node.js services having a high traffic load, and a PostgreSQL database of a few TB Accomplishments: Optimized the Postgres configuration and setup the replication between the master and slave node

Cloud of Legacy is a cloud-based web application. It stores customer data at their choice. With its help, a person can store documents, pictures, videos, and credit cards, and the designated person (legacy contacts) can access the person's account after his death. The customer designates two responsible persons to inherit the account and all stored information. Also, stored data is protected by two authentication factors, and a monthly subscription is required to benefit from the services of this cloud.

Rewritten the FT Rankings system from an old legacy project to a modern stack, migrating the old data into the new system along the way

A widget-driven, general-purpose dashboard, which consisted of redeveloped obsolete CISCO internal apps/tools, charts, and other more complex tools like template management and email sending, calendar events management, CI/CD monitoring, Agile, Adoption