Oct 2023 – May 2024 · 7 mos

• Took some time off after the layoffs at Hopper

Jul 2022 – Oct 2023 · 1 yr 3 mos · Greater London, England, United Kingdom · Remote

• Developed end-to-end services with 3rd-party integrations for automated rental property data retrieval, availability tracking, rate management, and streamlined quote-to-booking processes using Scala, gRPC, Pub/sub, and Postgres/Spanner.
• Designed a customizable discount and cancellation service that provided enhanced pricing options and flexibility in cancellation, resulting in a 10% increase in booking conversion rate.
• Implemented ETL pipelines utilizing Airflow and Bigquery to capture and store changes in property listing data, alongside ranking generation for listings.

Jan 2021 – Jul 2022 · 1 yr 6 mos · Greater London, England, United Kingdom · Hybrid

• Built and led the MLOps team providing mentorship and facilitating professional growth. Defined MLOps goals, promoting collaboration among data science, engineering, and product teams to maximize company-wide ML applications.
• Delivered a framework for building and deploying fraud classification and credit affordability models using Python and Go services reducing transaction losses by £30k per month.
• Created batch training and prediction pipelines using Airflow, Spark, and offline feature store to generate predictions for engaging churned users, leading to an increase of 15% in the MAU’s.

Oct 2018 – Jan 2021 · 2 yrs 3 mos · Greater London, England, United Kingdom · Hybrid

• Skyscanner is a leading meta search service for travel with 100 million monthly active users
• Part of the team to build a machine learning platform to manage the entire model lifecycle to deploy and run models at scale using kubernetes and mlflow
• Developed generic API’s with self describing protobuf over HTTP and grpc to build a model serving layer in Java
• Involved in implementing a feature store for machine learning models using Java Dropwizard and DynamoDb
• Developed ETL pipelines for raw and feature data sets using Airflow and Spark

Dec 2017 – Sep 2018 · 9 mos · The Randstad, Netherlands

• FindHotel is a meta search service for Hotel price comparisons with 2 million monthly active users
• Designed the marketplace platform and built a distributed, high-concurrency system using Golang, Redis and PostGreSQL to aggregate offers and hotel metadata from multiple providers
• Developed REST APIs capable of serving offers asynchronously at scale

May 2017 – Nov 2017 · 6 mos · New Delhi Area, India · On-site

• Hike Messenger is an Instant Messaging Service, with a 100M user base
• Implemented the backend architecture to support 700k daily active users for HikeRun, a micro-app for fitness tracking using NodeJs, Redis and MongoDB
• Built the backend and security systems for a currency exchange platform with 10k+ transactions per day
• Led the backend team to build a rewards system to transition users from WhatsApp to Hike - reached a peak of 30k new customer acquisitions per day in 1 month

Nov 2015 – Apr 2017 · 1 yr 5 mos · Greater Delhi Area · On-site

• Juggernaut is a platform to discover and read e-books on the phone – Android App | iOS App
• Designed the CMS and consumer-facing platforms based on a micro-service architecture using Django, NodeJS, PostgreSQL, MongoDB and Redis
• Implemented a Search service across books, authors and categories using ElasticSearch
• Developed a taxonomical hierarchy to facilitate a better, genre-wise discovery experience for the users
• Built a recommendation engine to suggest books based on browsing history and collaborative filtering
• Designed a configurable Offers Service which uses a rule engine to compute eligible offers for a user
• Led the development of a Writing and Self-publishing platform using NodeJs and Flask

Jan 2015 – Sep 2015 · 8 mos · Bengaluru, Karnataka, India

• Townrush is an urban logistics and on demand delivery platform that enables anyone to get local goods delivered in a city within hours. Its novel platform connects merchants and customers to local logistics service providers, who pick up and deliver products anywhere within the city.
• Recruited and led the tech team of 9 developers for Townrush, a hyperlocal delivery platform
• Fulfilled 2,000+ orders per day with ~80 delivery executives using a dynamic route-scoring model to optimise the delivery route and minimise delivery time
• Raised a seed round of € 500,000 from Lightspeed Venture Partners, Delhi in June 2015
• Designed the architecture for entire shipment journey using Flask, MongoDB, ElasticSearch & RethinkDB
• Implemented a finite State Machine for the forward and reverse logistics (re-attempts, returns) flows
• Built a real-time Tracking and Notification system via MQTT protocol using RabbitMQ and RethinkDB

Jul 2014 – May 2015 · 10 mos · Bengaluru, Karnataka, India · On-site

• Part of Seller Platform Marketplace team for Flipkart, India’s largest e-commerce company
• Implemented an algorithm to compute seller ranks for products based on reviews, seller rating, availability and price using Java Dropwizard framework, Redis and Apache Kafka
• Scaled the seller ranking service to serve data at 10,000 queries per second
• Designed and implemented search within product catalogues for sellers using Apache Solr and Ruby On Rails
• Designed the architecture of the order management system for Flipkart’s grocery delivery service

Jun 2013 – Jun 2014 · 1 yr · Pune, Maharashtra, India · On-site

• Worked as Backend developer for the core consumer facing e-commerce website Fab.com
• Implemented REST API’s using Ruby On Rails for taxonomical structuring of categories and promotions
• Designed and implemented search within product catalogues using Solr and Ruby On Rails

Jun 2012 – Jun 2013 · 1 yr · Bengaluru, Karnataka, India

• Worked on monitoring and automation of WebEx Social, an enterprise level collaboration platform.
• Involved in developing python scripts for monitoring data consistency in MongoDB (non-relational database)
• Prepared JMeter Scripts for synthetic monitoring of WebEx Social websites to minimize customer impacts.
• Developed a PHP script for monitoring the number of active connections to an apache proxy server.

May 2010 – Jul 2010 · 2 mos · Greater Kolkata Area

• DCPL – DCPL renders services for Project Engineering in many sectors such as power plant design, townships, etc.
• I was involved in the development of single line diagrams of Bengal Sriram Hi-tech City in Uttarpara, Kolkata.
• Also involved in a project for Power Distribution Systems & the use of Protective Relays & Circuit Breakers