Prasanna Venkatachalam

• Core contributor to the architecture and development of Xflow’s flagship merchant dashboard, built using React.js, Next.js, Tailwind CSS, and GraphQL, delivering a modern, responsive user interface.
• Developed a Backend-for-Frontend (BFF) layer with NestJS, GraphQL, and OpenAPI tools to streamline and standardize communication with backend APIs.
• Owned the end-to-end setup of the initial API documentation using Docusaurus, hosted on AWS Amplify.
• Revamped the documentation by replacing Docusaurus with a custom Next.js application that automatically generates docs and an interactive API Playground from the OpenAPI specification, significantly reducing manual effort and enabling direct endpoint testing within the documentation.
• Provided mentorship and technical guidance to team members in delivering multiple critical projects.
• Have good experience with AWS, Kubernetes, Helm, and Docker for cloud infrastructure, container orchestration, and deployment management.

Managed and guided two frontend teams totaling 15 developers.

Zoho Tables (March 2019 - Dec 2021)

• Designed and built a product similar to Airtable using GraphQL-like server APIs for web and mobile, with a fully native JavaScript frontend leveraging web workers and web sockets.
• Led a team of 11 developers to deliver Tabular, Gallery, Kanban, and Calendar views, plus a form builder, and transformed the product into a reusable frontend data visualization library.

Zoho Grid (Dec 2019 - Dec 2021)

• Led a team of 4 to replace the div-based grid rendering in Zoho Sheet with a canvas-based grid, improving rendering speed by 60%.
• Formed and led a new team to modularize the grid into a standalone library for displaying tabular data across multiple Zoho products.

• Contributed to revamping Zoho Sheet’s frontend architecture using web workers and improved caching.
• Enhanced Formula Editor, Range Picker, selections, image support across multiple panes and re-engineered the Insert button to improve stability and support Macros in VB, Deluge, and JavaScript.

• Developed a tool for Zoho Sheet to log loading performance using Go and PhantomJS.