Senior Software Engineer

About the company Our client is a software company. The role Raydar is recruiting for this role on behalf of our client. Engineer the billing and payment layer of a software product, covering subscriptions, recurring and consumption charges, access rights and several payment processors. The role suits a senior engineer who can carry a critical area from design into production and keep refining it at pace. What you'll do - Take full responsibility for how the business collects payment, covering plans, recurring billing, access rights, credit adjustments and one-time charges. - Architect a single payments layer that ties several processors and local payment options together, letting customers pay in their own currency while lowering processing fees. - Create consumption-based charging that tracks usage, deducts from prepaid balances and bills excess amounts, built either on a third-party platform or internally. - Build payment features that let customers of the product charge their own end users. - Improve the throughput and resilience of the charging stack as transaction counts climb, handling provider callbacks, retry logic and ledger matching. - Partner with leadership to design and run tests on prices and plan structure, then release changes rapidly to lift revenue. Requirements What we're looking for - Roughly two to ten years of engineering work on payments or monetization teams in subscription software or consumer products. - Hands-on production work connecting two or more payment processors. - Experience building usage-based or credit-based billing alongside subscriptions and entitlements. - Ability to take a critical system from first design to full ownership in a quick-moving startup. - Proven record of releasing payments functionality to paying users and refining it afterward. Bonus points - Experience building a unified multi-provider payments layer. - Experience with a usage-billing platform. - Experience supporting international payment methods and currencies. - Experience running pricing or packaging experiments. - One or more years at a fast-growing startup, with time at your own startup counting. - Experience with TypeScript, Postgres or React. Benefits Compensation and benefits - Base salary: $200K to $300K - Equity Location and work model - San Francisco, CA, United States - On-site, in-office - Full-time