– Introduced Cucumber for behavior-driven development and implemented various refinements in the development process and pull request guidelines to ensure smoother collaboration and more efficient code reviews– Implemented caching mechanism using Couchbase for retrieving customer coupons wallets, reducing latency substantially with higher throughput– Designed and implemented a Coupon Code Generator tailored to coupon types and business logic, considering various methods of coupon utilization– Decommissioned the Redis cache due to its high cost, resulting in significant cost savings for Tesco

– With Work focused on moving legacy outdated systems to more strategic systems, involved in building Coupon At Till from scratch for Tesco UK and ROI– Designed and implemented housekeeping of customers’ data, ensuring data integrity and optimal performance– Developed RESTful APIs to enable the creation, redemption, and viewing functionalities for coupons and vouchers information of customers– Enhanced the performance of test pipelines, leading to a smoother and more efficient production deployment process– Conducted extensive load tests for all APIs to ensure the team was fully prepared to handle peak season traffic, which reached approximately 50,000 transactions per second– Provided on-call support for critical issues and worked on root cause analysis for incident resolution

- Designed, coded, tested, and documented the Language Identification System for Indian languages- Collaborated with the team to ensure timely and high-quality project completion