Raydar
Senior Software Engineer
$200K–$300K
San Francisco, California · Senior · Full-time · Posted Oct 26, 2026
- Experience
- Roughly two to ten years of engineering work on payments or monetization teams in subscription software or consumer products.
About the job
Engineer and operate the product’s billing and payments systems, including subscriptions, usage-based charges, payment processors, and customer payment features.
What you'll do
- Own billing functionality, including plans, recurring charges, access rights, credit adjustments, and one-time payments.
- Build a unified payments layer across processors and local payment options, and develop usage-based charging.
- Improve payment-stack throughput and resilience, and partner with leadership on pricing and plan experiments.
What they ask for
- Production experience 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 initial design through full ownership in a fast-moving startup.
- Record of releasing payment features to paying users and refining them.
Nice to have
- Experience with a unified multi-provider payments layer, a usage-billing platform, international payment methods and currencies, or pricing experiments.
- Experience with TypeScript, Postgres, or React.
Pay
$200K to $300K (base salary)
Tools
TypeScript, Postgres, React
Model-written summary · the original posting is authoritative