Apr 2024 – Aug 2025 · 1 yr 4 mos · Bangalore Urban, Karnataka, India

• Built the UPI switch in collaboration with NPCI under the NPP program. This
• helped us to increase the Payment Success Rate by 1-1.5%. The architecture was
• completely asynchronous, and I have used Kafka to achieve this.
• Authored technical blogs to share knowledge and drive adoption:
• https://www.cashfree.com/blog/github-copilot-agent-java-21-upgrade/
• https://medium.com/@varunbothra11/5-tips-to-increase-your-paymentsuccess-rate-cb260b3c83e4
• Optimized the micro services by offloading read traffic to replicas, and caching
• frequent reads in Redis, and improving code efficiency, enabling the platform
• to sustain a peak traffic of 1500 TPS
• Contributing as a core member of the internal Design Review Committee by
• regularly reviewing HLDs and LLDs.
• Introduced and operationalized AI tooling across the engineering org; played
• a key role in provisioning GitHub Copilot licenses for all developers.
• Leading and mentoring UPI (5 engineers), driving OKRs, execution excellence, and architectural decisions for the team.

Aug 2021 – Mar 2024 · 2 yrs 7 mos · Bangalore Urban, Karnataka, India

• Designed and implemented key payment components, including the Card BIN
• service, Offers Engine (with 99% test coverage), and a no-cost EMI platform.
• Built a reusable integration framework that reduced the development time to minimize bank integration time from 2 weeks to 1 week.

Feb 2020 – Jul 2021 · 1 yr 5 mos · Bengaluru Area, India

• Payment integration (Direct and subscription model) - Built a fault-tolerant
• and resilient system using cloud tasks.
• Notification system - Sending SMS using Twillio, Email using SendGrid, and
• Push Notification using Firebase. Developed the complete system end to end.
• Referral System - This helps users to refer the APP to other users and earn
• coupons for their next purchases.
• APP Search - Build a text search of inventory using Elasticsearch.

Jun 2019 – Feb 2020 · 8 mos · Bangalore

• Pilferage Detection System (Project Deliver Owner and Developer): A backend
• system to detect pilferages happening with the car part. Saved ~70 crores per
• year on Batteries and Tyres.
• Lead Management System (Technical Lead): Portal for onboarding new drivers
• to the Ola platform
• Full and Final Settlement: I was the Technical Lead for this project. This was a rule engine that used to detect the final amount that need to be paid or received from the drivers during their exit.

Sep 2018 – Jun 2019 · 9 mos · Bengaluru Area, India

• Projectcw (Designer and Developer): Automated the process of hiring a
• clinician for hospitals.

Jan 2017 – Sep 2018 · 1 yr 8 mos · Bangalore

• Command Line Interface for LabVIEW: Built a command-line tool to interface with LabVIEW, enabling automation of UI-driven operations. This significantly enhanced developer productivity by bypassing manual UI steps. Supported usage across critical partners, including SpaceX and Apple
• Regression Test Selector: Designed and implemented a smart regression test selector capable of identifying the most relevant test cases to run from millions of available tests for any code change. Reduced CI/CD execution time and infrastructure load.

Jun 2015 – Jan 2017 · 1 yr 7 mos · Bangalore

• Integrated the license manager with LabVIEW under tight deadlines, collaborating with teams in the US and Hungary.
• Optimized CI/CD pipeline, reducing deployment time by 1 seconds per cycle, impacting 5000 daily deployments by identifying and refactoring inefficient code.