I'm Siddharth Pachori-image

I'm Siddharth Pachori

Engineering leader with 11+ years building large-scale e-commerce checkout, payments, and regulated financial infrastructure across 26 countries, from system design through production ownership. I enjoy architecting distributed systems, leading cross-functional teams, and mentoring engineers toward senior-level ownership.

Current Work / Resume

Selected projects & impact

Unified Checkout Platform

Contribution

Architected an event-driven checkout platform supporting any reference (cart, order, or point node), with plug-and-play payment, billing & shipping components, plus split and on-demand capture.

Technologies

  • Node.js
  • AWS
  • Event-Driven
  • Architecture

PCI-DSS Compliance & Payments Expansion

Contribution

Led a global PCI-DSS transformation and expanded payment capabilities (Adyen, Braintree, PayPal, wallets, direct debit & Pay by Invoice) into 8-10 new markets.

Impact

8-10 new markets

Technologies

  • PCI-DSS
  • Payments
  • Security
  • Compliance

Credit Risk & Fraud Automation

Contribution

Built a fraud validation framework combining credit risk platforms with self-built logic across pre- and post-order journeys, plus self-serve microsites and agentic telephony channels.

Impact

~40% faster review, ~15% less fraud loss

Technologies

  • Fraud Detection
  • Automation
  • Risk

CI/CD & Observability Overhaul

Contribution

Redesigned org-wide CI/CD flow with parallelized build pipelines, automated quality gates (Sonar, Snyk, Orca), and a full observability stack (Sentry, New Relic, CloudWatch).

Impact

60% faster builds, 35% fewer incidents

Technologies

  • CI/CD
  • DevOps
  • Observability

Micro-Frontend Platform Migration

Contribution

Modernized legacy checkout and payment applications into Node.js microservices on AWS and transformed the UI into an independently-owned micro-frontend platform.

Impact

32% scalability gain, 30% lower latency

Technologies

  • Microservices
  • Micro-Frontends
  • AWS

GraphQL / Apollo API Modernization

Contribution

Upgraded Fictiv's vendor/quote platform REST APIs to the Apollo GraphQL framework, and built reusable frontend components across the platform.

Impact

30% faster response, 15% better on-time delivery

Technologies

  • GraphQL
  • Apollo
  • REST