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Tejas Soni

@tejassoni2

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Software Development Engineer at Amazon who cut p90 checkout latency by 68% with a server-driven smart wallet.

India

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At Amazon, I designed and rolled out a server-driven smart wallet bottom sheet with a state machine, reducing p90 checkout latency by 68% and improving merchant success rate by 400 basis points.

I also engineered a shared payment-monitoring pipeline using DynamoDB Streams, Kinesis, and Flink. It reduced annual costs by $48K and enabled self-service monitoring for five teams.

For Amazon Pay ICICI Bank Credit Card, I implemented Java APIs for application creation and retrieval, plus eligibility validation. I also coordinated escrow separation across 11 teams to support online and offline flows under RBI Payment Aggregator requirements.

At Amazon, I created an onboarding knowledge platform on Amazon Bedrock and Lambda, indexing more than 500 documents for RAG. In a personal project, I built an event-driven stock-analysis backend and integrated a Bedrock RAG assistant with source citations.

Experience

Work history, roles, and key accomplishments

Current

Software Development Engineer

Current

Amazon

Mar 2024 - Present (2 years 7 months)

Designed and rolled out a smart wallet bottom sheet with server-driven rendering and a state machine, reducing p90 checkout latency by 68% and improving merchant success rate by 400 basis points. Engineered a shared payment-monitoring pipeline with DynamoDB Streams, Kinesis, and Flink, reducing annual costs by $48K and enabling self-service monitoring for 5 teams.

Java AWS DynamoDB Kinesis Apache Flink Lambda Amazon Bedrock RAG Agentic Workflows State Machines Server Driven UIs API Design Distributed Systems

Software Development Engineer

IBM

Sep 2023 - Feb 2024 (5 months)

Containerized microservices with multi-stage Docker builds producing images under 120 MB and configured AWS CI/CD pipelines for promotion through development, QA, and production.

Docker AWS CI CD Microservices

Software Development Engineer Intern

Amazon

Jan 2023 - Jul 2023 (6 months)

Migrated product-support content processing from Lambda to ECS Fargate, removing the 15-minute invocation limit and adding connection pooling, caching, and JVM warm-up for DynamoDB/S3 workloads. Developed reusable React/TypeScript components with API integration, multilingual support, and unit tests.