Roshan Paturkar.

Mastercard · Hyderabad, India via Tech Mahindra

• Engineer distributed systems for financial crime detection and prevention, processing transaction data at global scale to identify fraud patterns and protect cardholders in real time.
• Build and own high-throughput Go services across the Consumer Fraud Risk (CFR) platform, an AI-powered scoring system deployed across UK banks with measurable improvements in mule-account detection and now expanding to global markets.
• Design event-driven microservice architectures emphasizing reliability, observability, and latency at fraud-prevention SLAs.

National Payments Corporation of India (NPCI) · Hyderabad, India

• Built backend infrastructure for India's Central Bank Digital Currency (Digital Rupee / e₹), powering a national-scale digital payment rail.
• Designed distributed system components for robustness, consistency, and fault tolerance under regulated-payments load.
• Operated services on Kubernetes with Kafka-driven event flows and Redis-backed state for sub-second transaction handling.

Accenture · Hyderabad, India Associate → Sr. Analyst

• Led backend development for Telus's Optik TV, powered by Accenture Video Solutions, the platform behind Hotstar, SonyLIV, DiscoveryPlus, and F1, which holds the world record for highest concurrency on a streaming event.
• Built Node.js APIs and ElasticSearch query templates serving high-traffic catalog, search, and content discovery surfaces; deployed on GCP and OpenShift with Splunk-based observability.
• Promoted twice across the OTT track while shipping features and maintaining backend services that supported high-concurrency streaming events under strict SLAs.

Google · GHRCE Nagpur Community

• Founded and led the Google Developer Student Club at GHRCE Nagpur, organizing workshops, hackathons, and study jams that reached thousands of students. Chapter is still active five years on.