August 2021 - August 2023

Atato is a custodial crypto wallet built with ReactJS, Python/Django, and PostgreSQL, deployed on GCP. It uses secure protocols (BIP32, BIP44, MPC TSS) and integrates with Alchemy/Infura. As Product & Engineering lead, I managed a 10-person team, defined the roadmap, created epics, and implemented key features like sweep functionality, BYOT/BYOC support, Chargify integration, and crucial Bitcoin support for user onboarding.

Technologies: Python, Django, Web3, EVM, PostgreSQL, GCP, ReactJs

September 2018 - July 2021

I began at Agoda on the ReactJS front-end team, focusing on conversion optimization and UI improvements for bookings. After a year, I transitioned to backend and data, designing scalable systems (Scala, Akka) for their multi-datacenter environment. I built revenue-generating products (Cancel/Rebook, Global Coupons) and revamped the booking amendment flow.

Technologies: Scala, Akka, Cats, Mysql, Kafka, ReactJs

August 2020 - November 2020

I co-founded India's first AR celebration platform ("Celebr8") from the ground up. I managed a team of freelance AR developers (Unity) and built the backend with Firebase (Real-time DB for chat, Cloud Functions, Firestore for location data).

Technologies: NodeJs, Google Firebase, RealtimeDB, Firestore, Cloud Functions.

March 2017 - September 2018

Built a B2B SaaS learning platform (Java/Spring, Postgres). Implemented secure student progress tracking (JWT) and course purchase system. Led a data migration using AWS (SQS, Lambda, DynamoDB) to minimize downtime.

Technologies: Java, Spring, Hibernate, AWS, JWT.

January 2016 - March 2017

Built "Meet and Beat" competitor price analysis tool (Java/MySQL) that boosted employee recognition and later graduated to a core product. Also developed a high-volume (1M searches/day) customer persuasion system (Spring Boot, Kafka, MySQL) that increased booking conversions by 5%, leading to a promotion.

Technologies: Java, Spring Boot, Kafka, Redis.

March 2014 - January 2016

Built a Groovy/Grails Git alternative for versioning Oracle's internal RDBMS tools and deployed a build-time insights dashboard.

Technologies: Groovy and Grails.

August 2012 - February 2014

Aced Wipro's Java/SQL training, integrated a complex authorization system, and built a report generation system for a major Irish bank (Java/Servlets).