Ayush Kumar Email & Phone Number

Berlin, Germany

Berlin, Germany

Bengaluru, Karnataka, India

Developing A/B Testing platform for multiple backend and app experiments with an analytical interface to derive experiment impacts and change configurations on the fly.Implementing big data processing around user data using ETL pipelines and spark and hadoop jobs on EMR, Phoenix, Hive, NiFi, AIrflow and event consumption in queues using kafka streaming for real time updatesDesigning and implementing around ETL pipelines, data quality, data governance, rule engines, database design, data visualisation, clustered applications, scalability for 10X, caching principles and object oriented programmingImplemented low level design and lead discussions for high level design with tech leaders with emphasis to build generic platform that can scale for 5-10X traffic, low onboarding time for new requests and clients, async processing, performance benchmarking, POCs for service level components for DB, cache, logging, monitoring and alerting

Gurgaon, India

Integration of different payment modes like credit cards, net banking, Paytm Wallet, Amazon Pay, UPI and PayLater wallets with special emphasis on dynamic payment gateway switching to handle traffic for downtime and fluctuating payment modes.Involved in managing the user journey from payment page and payment success and rewards. We revamped the existing monolithic legacy architecture into 8-10 micro services and were able to increase payment success rate and decrease user drop offsImplemented payments module micro services from scratch for the MyAirtelApp designing modules for payment gateways (CC,DC,NB), wallets, UPI (real time API integration with multiple gateways and route traffic dynamically based on previous success rate). Implemented and managed batch jobs for refunds, payment status, settlements and data migrations.