---
title: "Shashwat Singh - Senior Software Engineer in New Delhi | Tal"
description: "Meet Shashwat Singh, Senior Software Engineer at Paytm based in New Delhi. AI stack includes claude code, cursor, and mcp."
image: "https://tal.club/meet/shashwat-singh-5/share-image"
---

# Shashwat Singh on Tal

## Headline

Senior Software Engineer at Paytm

## About

Software Engineer @ Paytm \| Ex\-ML Intern @ Siemens \| IIT Mandi CSE'23 I’m a Computer Science & Engineering graduate from IIT Mandi with a minor in Management\. Passionate about building scalable backend systems and solving real\-world problems through tech\. At Paytm, I’ve worked on high\-throughput distributed services, driving key feature rollouts and performance optimizations\. Earlier, at Siemens, I explored applied machine learning and built RESTful APIs during my research internship\. Always curious, I enjoy working at the intersection of clean code, smart design, and reliable systems\.

## Location

New Delhi

## AI stack

claude code

cursor

mcp

openai

claudecode

ChatGPT

## Work experience

Senior Software Engineer at Paytm, Apr 2025 \- Present · 1 y 6 mo, On\-site, \- Built Paytm’s LLM\-powered agentic platform from the ground up for customer\-support live chat, serving 900K\+ unique sessions daily with 98\.7% end\-to\-end automated resolution, \~2\-second time\-to\-first\-token, and LLM agents orchestrated through configurable workflows\. ● Developed production\-grade AI infrastructure, building a unified multi\-provider LLM inference platform with intelligent routing, streaming, fallback and usage management; onboarded 3 external clients\. ● Owned the PI Decisioning Platform, Paytm's real\-time payment risk infrastructure processing 9,000 TPS\+ ; built and launched its core Gateway from the ground up, establishing the primary entry point for real\-time risk decisioning, transaction processing and downstream risk\-engine integrations\. ● Built and scaled the centralized Tool Calling Platform powering tool integrations across Paytm's agentic ecosystem, processing 8\.75M \+ requests daily at \~101 requests/second, with p90 latency under 1 second, enabling reliable, low\-latency execution of agent actions at scale\. ● Established production traffic replay and release validation infrastructure, replaying peak production traffic in performance environments to validate system performance and agent decision accuracy, enabling high\-confidence releases with zero production rollbacks\. ● Improved platform reliability and operational efficiency through end\-to\-end observability, SLO\-based alerting, multi\-tenant isolation and automated deployment practices; supported 150\+ production releases and Tier\-1 on\-call operations\.

Software Engineer at Paytm, Jul 2023 \- Mar 2025 · 1 y 8 mo, Noida, ● Developed and scaled core transaction\-processing infrastructure using Spring WebFlux, Redis and asynchronous processing, improving throughput, optimizing data enrichment and establishing a foundation for high\-volume risk decisioning\. ● Developed distributed streaming pipelines using Apache Flink and Kafka, enabling scalable event processing, stream\-to\-API integrations and 3× transaction\-volume scaling\. ● Enabled onboarding of 30\+ lending partners by developing reusable integration workflows, parallel data enrichment and optimized payload processing, improving scalability across partner integrations\. ● Improved platform observability and production reliability through centralized monitoring, SLA dashboards and proactive alerting, reducing incident response time by 50%\.

Intern at Siemens, Jan 2022 \- Jul 2022 · 6 mo, Bengaluru, Karnataka, India, Machine learning research intern

## Education

Bachelor of Technology \- BTech, Computer Science, IIT Mandi

[View the original profile](https://tal.club/meet/shashwat-singh-5)

```json
{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Person",
      "@id": "https://tal.club/meet/shashwat-singh-5#person",
      "name": "Shashwat Singh",
      "url": "https://tal.club/meet/shashwat-singh-5",
      "image": "https://tal.club/meet/shashwat-singh-5/profile-photo.jpg",
      "description": "Meet Shashwat Singh, Senior Software Engineer at Paytm based in New Delhi. AI stack includes claude code, cursor, and mcp.",
      "jobTitle": "Senior Software Engineer",
      "worksFor": {
        "@type": "Organization",
        "name": "Paytm"
      },
      "hasOccupation": {
        "@type": "Occupation",
        "name": "Senior Software Engineer"
      },
      "homeLocation": {
        "@type": "Place",
        "name": "New Delhi"
      },
      "alumniOf": [
        {
          "@type": "EducationalOrganization",
          "name": "IIT Mandi"
        }
      ],
      "knowsAbout": [
        "claude code",
        "cursor",
        "mcp",
        "openai",
        "claudecode",
        "ChatGPT"
      ],
      "mainEntityOfPage": {
        "@id": "https://tal.club/meet/shashwat-singh-5#webpage"
      }
    },
    {
      "@type": "ProfilePage",
      "@id": "https://tal.club/meet/shashwat-singh-5#webpage",
      "url": "https://tal.club/meet/shashwat-singh-5",
      "name": "Shashwat Singh on Tal",
      "description": "Meet Shashwat Singh, Senior Software Engineer at Paytm based in New Delhi. AI stack includes claude code, cursor, and mcp.",
      "dateModified": "2026-10-30T10:45:09.795Z",
      "isPartOf": {
        "@id": "https://tal.club/#website"
      },
      "mainEntity": {
        "@id": "https://tal.club/meet/shashwat-singh-5#person"
      },
      "primaryImageOfPage": {
        "@type": "ImageObject",
        "url": "https://tal.club/meet/shashwat-singh-5/profile-photo.jpg",
        "contentUrl": "https://tal.club/meet/shashwat-singh-5/profile-photo.jpg",
        "caption": "Shashwat Singh profile photo on Tal"
      },
      "inLanguage": "en-IN"
    }
  ]
}
```