Sunil Vishnoi

About Sunil Vishnoi

I lead the engineering teams behind the invisible architecture of global commerce. With over 18 years of experience, my focus is on building and scaling mission-critical payment ecosystems that bridge the gap between complex regulation and seamless user experience.Currently, at Clover (Fiserv), I oversee both Card Present (CP) and Card Not Present (CNP) engineering units. My tenure has been defined by driving international growth—strategizing and executing the Clover launch across APAC and EMEA, and navigating the unique regulatory landscapes of LATAM, specifically Brazil.What I Bring to the Table:Global Scale: Orchestrated the rollout of global payment methods (UPI, RuPay, Apple Tap to Pay) and handled the intricacies of international compliance.Card Not Present Innovation: Spearheaded the implementation of 3DS, Hosted Checkout, and recurring billing models, alongside high-impact integrations like Shopify.Modernization & Architecture: I specialize in transforming legacy systems into high-performance, cloud-native platforms to ensure 99.99% reliability.Beyond the code, I am a builder of teams. I focus on engineering excellence, mentoring the next generation of technical leaders, and aligning complex technical roadmaps with aggressive business expansion goals.

Experience

1. Senior Engineering Manager

   Fiserv

   May 2025 — Present

   International Market Expansion: Directed the engineering roadmap for Clover’s expansion into APAC and EMEA markets and spearheaded the technical launch in Brazil (LATAM), managing cross-border compliance and payment method localization.• CP & CNP Leadership: Oversee dedicated engineering units for Card Present and Card Not Present platforms, ensuring feature parity and security across all transaction types.• Payment Modernization: Led the architectural overhaul of CNP services, including the integration of 3DS security protocols, Hosted Checkout, and recurring billing systems to enhance merchant flexibility.• E-commerce Ecosystems: Engineered seamless Shopify integrations, enabling thousands of merchants to synchronize physical and digital storefronts effortlessly.

Education

• Welingkar Institute of Management

  Master of Business Administration - MBA, Information Technology

  2015 — 2017

• University of Rajasthan

  Bachelor of Engineering (BEng), Computer Science

  2003 — 2007

Skills

• Web Services
• Design Patterns
• Primavera P6
• Sqoop
• Hive
• Oozie
• J2ee Application Development
• Android
• Soap
• Mongodb
• Java Enterprise Edition
• Java
• Json
• Microsoft Sql Server
• Spring Framework
• Struts
• Rest
• Informatica
• Subversion
• Mysql
• C#
• .net
• Apache Zookeeper
• Hibernate
• Apache Pig
• Ext Js
• Spring
• Hbase
• Mapreduce
• Sencha Extjs
• Ssis
• Hadoop