---
title: "Ayush Sharma - Senior Software Development Engineer in Bengaluru | Tal"
description: "Meet Ayush Sharma, Building High-Scale Payment Infrastructure at Razorpay | Distributed Systems | Card Payments | Tokenization | Java/Golang based in Bengaluru. AI stack includes claude, codex, and gemini."
image: "https://tal.club/meet/ayush-sharma-1/share-image"
---

# Ayush Sharma on Tal

## Headline

Building High\-Scale Payment Infrastructure at Razorpay \| Distributed Systems \| Card Payments \| Tokenization \| Java/Golang

## About

Senior Software Engineer at Razorpay building high\-scale payment infrastructure and secure card systems powering millions of transactions\. Currently working across: \* Card tokenization \* One\-click checkout \* EMV 3DS flows \* Gateway integrations \* Distributed backend systems Experienced in designing resilient microservices using Java, Golang, Kubernetes, DynamoDB, Kafka, Redis, and AWS\. Key areas of expertise: • Distributed Systems • Payments Infrastructure • High\-Scale Backend Systems • PCI & Secure Payment Flows • Event\-Driven Architecture • Reliability & Observability • Performance Optimization Recent impact: \* Built tokenization systems for Apple Pay & CredPay \* Reduced service latency by 94% \(P99 63ms @ 3000 TPS\) \* Improved infrastructure costs by 80% \* Designed systems handling 10M\+ mappings/day Interested in backend infrastructure, scalable architecture, and fintech innovation\.

## Location

Bengaluru

## AI stack

claude

codex

gemini

notebooklm

claudecode

ChatGPT

## Work experience

Senior Software Development Engineer at Razorpay, Apr 2024 \- Present · 2 yrs 5 mos, Bengaluru, Leading backend development for secure card payment and tokenization infrastructure powering high\-scale checkout experiences\. • Led design and implementation of device tokenization systems for Apple Pay and CredPay • Built distributed ingestion pipelines processing 10M\+ device\-user mappings/day using Spring Batch \+ DynamoDB • Improved reliability and observability using Prometheus, Grafana, and StatusCake • Acted as on\-call lead for critical payment card systems and production escalations • Mentored engineers and reviewed architecture/design proposals across teams Tech: Java, Golang, Spring Boot, DynamoDB, AWS, Kubernetes, Redis, Kafka

Software Development Engineer at Razorpay, Feb 2022 \- Apr 2024 · 2 yrs 3 mos, Bengaluru, Worked on high\-scale card payment systems including EMV 3DS 2\.0, gateway integrations, and core payment infrastructure\. • Built BIN service in Golang \+ gRPC achieving 94% latency reduction \(P99: 63ms @ 3000 TPS\) • Led 3DS2 integrations across Visa, Mastercard, Amex, and RuPay ecosystems • Supported large\-scale payment traffic ramp\-ups and critical production rollouts • Reduced infra costs by 80% through logging optimization initiatives

SDE\-1 at OYO, Sep 2020 \- Feb 2022 · 1 yr 6 mos, Gurugram, Haryana, India

## Education

Bachelor of Technology, Computer Science, Indian Institute of Information Technology Kota

[View the original profile](https://tal.club/meet/ayush-sharma-1)

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