May 2020 – Sep 2021 · 1 yr 4 mos · Berlin, Germany

Mar 2018 – Apr 2020 · 2 yrs 1 mo · Bengaluru Area, India

• Tech owner of backend system of Paytm's Postpaid which is a Pay Later product. Postpaid is a credit line product for consumers where a line is allocated to the customer which he can utilize it to spend across Paytm env for booking travel, movie tickets, mobile bill, Paytm mall etc. I have worked on integration with ICICI to launch the product, Pre-Auth for Uber, Alibaba's team for auto-debit, and for collections recovery. Built a highly scalable and high-performance system and scaled it from 25000 to 11.3 million users. Currently, this system is doing more than 100K transactions per day.
• Also, I have developed other feature for Paytm like chat, providing Paytm score to other lenders which are a deciding factor in issuing personal loans to the customer
• Tech Used: Dropwizard, Hibernate, SpringBoot, NodeJS, ElasticSearch, Redis, Kafka, Pandas, Apache Storm

Feb 2016 – Mar 2018 · 2 yrs 1 mo · Bengaluru, Karnataka, India

• Worked for Tier1 services like booking allotments, inventory state management, capturing and processing of device position and status updates & category preferences etc that come under Booking Experience.
• Built a highly scalaable systems with a deep focus on driver experience. These systems are operating at a throughput of ~300k rpm. Involved in writing code from scratch, design and architecture, code reviews, product spec reviews.
• Also developed an in-house tool which was used to push configuration dynamically on production server to improve AB testing for product team.
• Tech Used: NodeJS, Spring Boot, Hibernate, Redis, Kafka, Lambda, Rx Java, MySQL

Jul 2014 – Jan 2016 · 1 yr 6 mos · Greater Bengaluru Area

• Helpchat aka Tapzo, formerly known as Akosha, is a chat based personal assistant app that helps you get more things done. Been an early member of Tech I have worked on payments, chat, social media tracking etc. Some of the projects were Social Dashboard for brands to resolve customer complaints, Chat backend which enables brand expert to chat with customers in Real Time, Payments & Order Management System which drove the other vertical of companies like recharge, food , cab booking , movies etc.
• Also I have worked on Facebook GraphAPI, Twitter API, PubNub.
• Tech Used: Java, Spring, Hibernate, Couchbase, Redis, Kafka, ElasticSearch, NGINX, HAProxy, Ansible, Jenkins.

Dec 2012 – Jun 2014 · 1 yr 6 mos · Mumbai Metropolitan Region

• 1. Writing and maintaining code using technical specifications to update existing application and to develop new application.
• 2. Utilized programming principles, tools, and techniques to write application codes.
• 3. Applied analytical, technical and programmatic skills to resolve application related issues
• 4. Review codes to identify any basic errors.
• 5. Provide technical and functional support to testing teams. .
• 6. Designing custom functions.
• 7. Worked on front end validations.
• 8. Worked with performance engineer to fine tune the application