Roshan Paturkar.

Mastercard · Hyderabad, India via Tech Mahindra

• CFR Model Orchestration: Extended Mastercard's AI-powered Consumer Fraud Risk (CFR) engine with multi-model orchestration, running and hot-swapping diverse live scoring models with zero downtime.
• Inbound Risk Notifications (IRN): Tuned throughput and latency on the high-priority Inbound Risk Notification (IRN) engine and hardened its deployment path to hold fraud-alert SLAs in real time.
• Financial Reporting (MITS): Built reporting pipelines on the Mule Insights Tactical Solution (MITS) and traced down cross-site data-consistency bugs spanning multiple data centers.
• Platform Migration (MKE): Migrated legacy Vocalink services off the Azure stack onto the Mastercard Kubernetes Environment (MKE), trimming operational cost and standardizing deployments.
• Log Observability: Wrote a custom Kibana log linter that auto-flags schema and datatype drift, keeping Elasticsearch indices consistent and queryable.

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

• Built backend infrastructure in Go for India's Central Bank Digital Currency (Digital Rupee / e₹), powering a national-scale digital payment rail.
• Engineered concurrent, high-throughput Go services using goroutines and channels for robustness, consistency, and fault tolerance under regulated-payments load.
• Operated Go microservices 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 Developer Groups · GHRCE Nagpur Community

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