Principal Product Manager - Billing & Platform

Constant Contact is hiring a Principal Product Manager to own billing and platform strategy, including the migration from its in-house billing system to Stripe. The role sets the roadmap for subscriptions, payments, identity, and internal tools, while aligning engineering and business stakeholders around reliable, evolvable systems.

Responsibilities:

• Own Billing & Payments Strategy: Set the vision and multi-year roadmap for subscriptions, plans and pricing, invoicing, payment methods, payment recovery, refunds and account changes. Decide what we build, in what order, and why
• Lead the Move to Stripe: Own our migration from an in-house billing system to Stripe Billing, including phasing, success metrics, testing, cutover and sign-off. Deliver a seamless experience for every customer
• Make Pricing Changes Simple and Fast: Make price changes, new plans and add-ons quick and easy to launch. Keep what a customer pays for in step with what the product lets them do
• Own Identity & Authentication: Partner with Engineering and Security on sign-in, single sign-on (SSO), account access and the identity platform behind them
• Modernize Internal Applications: Own the tools Finance, Support and Operations use to adjust bills, issue refunds and migrate accounts. Bring automation to the work these teams do every day
• Lead Across Stakeholders: Be the product lead for Finance, FP&A, RevOps, Support and Sales. Set priorities across them, explain trade-offs clearly and build alignment around the plan
• Make Billing Data Trustworthy: Define how billing works across our systems so reporting and revenue always line up. Support revenue recognition, audits and access controls
• Raise the Bar: Mentor other product managers and help set how product works across billing and platform teams

Requirements:

• You have 8+ years of Product Management experience in SaaS, with at least 4 years owning billing, payments, subscription commerce or a core platform
• You know subscriptions, trials, upgrades and downgrades, proration, payment recovery, refunds, chargebacks, multi-currency and tax
• You have worked with Stripe or a comparable platform such as Zuora, Chargebee, Recurly or Adyen
• You understand how these platforms work under the hood
• You can read an API spec and follow data across systems
• You ask sharp questions about webhooks, retries, source of truth and rollback plans
• You can write SQL to check a number yourself
• Engineers value your judgment, and you engage confidently on estimates and design
• You bring a point of view on what we should build and why
• You think in quarters and years
• You bring clarity to ambiguous problems
• You can guide senior stakeholders toward the right sequence and keep their trust along the way
• You have shipped a migration, cutover or pricing change with real customer and revenue stakes
• You plan testing, rollback and controls from the start
• You can explain a billing trade-off to an executive, a support agent and an engineer, and each of them gets it
• You already use AI tools to research, analyze data and move faster
• It is part of how you work today
• Led a migration from an in-house or legacy billing system to Stripe or another modern platform
• Identity and access experience: Okta, OAuth, OpenID Connect, SAML, SSO or multi-factor authentication
• Experience in a high-volume, self-serve SMB subscription business
• Partner or reseller billing, where a third party bills the customer
• Finance systems experience: ERP, CPQ, revenue recognition or SOX controls
• Experience mentoring senior PMs