Engineering Leadership · Billing · Pricing · Checkout

Jose Tom

Director of Engineering (Billing for AI) at Chargebee

Engineering Leader and Former Founder with 11+ years of experience building high-scale, mission-critical systems. Founded and led a startup, gaining first-hand experience in product-market fit, rapid execution, and scaling technology under resource constraints. At Chargebee, I’ve architected and scaled core monetization systems like Usage-Based Billing — capable of processing hundreds of thousands of events per second with real-time aggregation and complex pricing logic.

Jose Tom

Career timeline

Chargebee logo
Chargebee

Nov 2018 - Present

Director of Engineering - Billing for AI

Apr 2025 - Present

  • Leads Billing vertical across Usage-Based Billing, Invoices, Credit Notes, and Taxes.
  • Driving evolution of the billing platform for modern SaaS and AI business models.
  • Owns strategy spanning platform flexibility, performance, and compliance at scale.
  • Built Chargebee Usage-Based Billing from the ground up for high-throughput, real-time billing workloads.
  • Scaled billing infrastructure to handle ~200K requests per second using cell-based architecture.

Senior Engineering Manager

Jan 2022 - Mar 2025

  • Architected and led Usage-Based Billing with real-time aggregation and complex pricing.
  • Built Atomic Pricing as an internal startup and merged it into Chargebee Growth Suite.
  • Enabled rapid pricing experimentation through risk-free controlled A/B workflows.

Engineering Manager

Dec 2019 - Jan 2022

  • Managed frontend teams across Checkout, Merchant UI, and App Experience.
  • Built middleware services and integrations supporting high-scale checkout flows.
  • Led migration from legacy JSP stack to modern Vue.js frontend architecture.

Software Engineering Lead

Nov 2018 - Nov 2019

  • Led Chargebee Checkout and hosted pages product used for payment capture and subscriptions.
  • Owned APIs and framework-based integrations for embedded checkout experiences.
  • Integrated payment gateways like Stripe, Braintree, and others.
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Beecon Fleet Management

Jan 2017 - Nov 2018

Co-Founder

Jan 2017 - Nov 2018

  • Built fleet management SaaS for real-time vehicle tracking and operations automation.
  • Owned end-to-end product delivery across frontend, backend, and infrastructure.
  • Handled revenue, sales, and execution under startup constraints.
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Citi

Jul 2014 - Jan 2017

Application Development Supervisor

Jan 2016 - Jan 2017

  • Worked on Citi FX Pulse providing real-time market access across 80+ treasury sites.

Application Developer

Jul 2014 - Jan 2016

  • Built Local Markets Derivatives features (Spot, Futures) in FXLM.
  • Contributed to foreign exchange and local markets platform capabilities.