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Sierra
Software Engineer, Payments Infrastructure
San Francisco, CA · On-site · Full time · Mid level
$230k–$390k / year
About the role
Build and maintain Sierra's payments infrastructure ensuring secure, real-time card data handling in voice interactions. Develop tokenization, payment actions, and egress control systems for a PCI DSS Level 1 certified platform.
What you’ll do
• Build real-time card capture for voice in live audio streams. • Extend tokenization platform for secure payment processing. • Own payments egress control plane enforcing data destinations. • Ensure payment actions are correct and monitored. • Keep card data out of unauthorized places.
What you’ll bring
• 5+ years backend or infrastructure system experience. • Strong security instincts and design for compromised components. • Rigor in correctness under failure and idempotency. • Fluency in systems language like Go. • Degree in CS or equivalent experience.
Life at Sierra
Flexible unlimited paid time off, medical/dental/vision benefits, parental leave, equity plans, and a supportive family-friendly culture.
About Sierra
Sierra is a leading platform for customer-facing AI agents, partnering with major global brands to transform customer service using AI technology.