Shawn Tamaskar

Digital Payments Architect | Product Strategist | AI-Certified | TOGAF | PMP | Driving Innovation at Scale.

Role
Senior Technical Product Manager at T-Mobile
Location
Bellevue, WA, US
LinkedIn followers
500 followers
Information TechnologyView LinkedIn profile

About Shawn Tamaskar

Architecting the future of payments at scale — from $50B digital platforms to real-time banking innovation. Award-winning tech leader (T-Mobile) with a fusion of hands-on engineering, API strategy, and AI-forward thinking. TOGAF | PMP | CAIS™ | SAFe. Building secure, scalable, intelligent ecosystems — across cards, wallets, APIs & cloud.

Experience

  1. Senior Technical Product Manager

    T-Mobile

    Mar 2020 — Present · Bellevue, WA, US

    Led enterprise-wide architecture simplification for a $50B+ digital payments platform, resulting in $40M+ annual savings through efficient transaction routing and implementation of PINless Debit and Pay-by-Bank solutions. Delivered key innovations such as EMV Contactless, Apple Pay integration, T-Mobile Payment Tokens, Multi-Acquirer Routing, and P2P encryption. Designed and launched an offline payments app that reduced fraud losses by $1M annually. Architected Core Payment APIs (microservices) for retail, web, IVR, and CARE channels using Apigee, PCF, AWS, Cassandra, Oracle, SOLR, and Hystrix, covering all card brands and ACH. Directed globally distributed Agile teams (25+ members), driving iterative value delivery, roadmap ownership, and coordination using Rally, JIRA, and Jira Align. Defined and implemented security protocols (OAuth, JWT, PCI-HSM), facilitated key ceremonies, and ensured compliance. Managed end-to-end payment use cases, including BillPay, Data Pass, device financing, activations, B2C payments, fraud risk logic, and approval optimization. Maintained the Payments Product Catalog via Clearwater, Bitbucket, and Confluence, and produced analytics on fraud trends, approval rates, and cost reductions. Reviewed vendor RFPs, estimated project efforts for funding approvals, and ensured high delivery quality via CI/CD pipelines (Jenkins, Sonar) and monitoring tools like Splunk, AppDynamics, and CipherTrust- Implementing Payments Network/Brand/PCI compliance requirements.

Education

  • Pandit Ravishankar Shukla University

    Bachelor of Engineering (B.E.)

    1998 — 2002

  • University of Washington Tacoma

    Master of Cybersecurity and Leadership, Cybersecurity

    2019 — 2020

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