Vishwas Baya

Amazon Go Retail Decoupling

• Integrated Automated Ticketing for the cart handover mechanism, within Retail Systems in order to scale system and decrease operational burden which engaged 3 different teams for operational work. This reduced 80 tickets per quarter to 5 tickets per quarter.

Seamless Customer Onboarding

• Phase 1: Delivered Connector Configurations and Testing Feature for Amazon Go stores, automating onboarding for Ordering, Identity, and Fraud & Abuse services to scale base Amazon Go systems to 600+ stores, leading to a 100% reduction in manual setup requests, and reliance on support teams.
• Built RESTful APIs for configuring connectors through the Merchant Portal, reducing ticket volume from 8-9 per merchant to 1 and cutting SLA from 1 week to 1 day.
• Developed integrations with a testing microservice, enabling customers to trigger real-time Connectivity validation which reduced manual follow-ups by 30%.
• Phase 2: Expanded onboarding automation to External Payments and External Checkout services, also reducing Manual Intervention required for these services to 0
• Designed APIs enabling customers to self-serve allowlisting AWS accounts, eliminating setup friction and reducing customer setup issues from 10–12 per merchant to near 0, while cutting onboarding time from 2 weeks to 3 days.
• Engineered an asynchronous test result pipeline for the Merchant Portal, leveraging AWS EventBridge and StepFunctions, decreasing customer clarification loops by 30%.
• Phase 3: Designed and Implemented a Self-Serve Connectivity Testing framework for Catalog APIs, using EventBridge, Step Functions, and CloudFormation to enable merchants to validate onboarding setups without manual intervention.
• Lowered setup time and decreased customer support tickets from 9-12 per merchant to 0.
• Removed operational reliance on three internal teams, transforming a 2–3 week setup effort into a 2-day self-serve flow.
• Led Application Security efforts, ensuring compliance and enabling successful release to 180+ customers.

Operational Excellence

• Led team for operational readiness of services and operational excellence process. Solved more than 250 tickets in the last 12 months, leading the effort to reduce all high severity tickets to 0.
• Executed automated security and user flow testing across all services, ensuring 90%+ CI/CD pipeline adoption and exceeding org-wide compliance goals.

Tech Stack: Kotlin, TypeScript, SQS, SNS, AWS EventBridge, AWS Athena, DynamoDB, Lambda, S3, JUnit, TestNG, Agile