Software Engineer, Payments Infrastructure
Sierra · San Francisco, CA
CHECKED 2H AGO
Applied AIonsitesenior$230k–$390k
At a glance
Highlights
- Build secure capture that keeps payments feeling like one continuous conversation.
- Own PCI DSS Level 1 platform carrying millions of payment lifecycle events.
- Drive processor-agnostic charging so agents add payments without expert help.
What they offer
- Equity
- Flexible (unlimited) paid time off
- Medical, dental, and vision benefits
- Life insurance and disability benefits
- Parental leave
- Fertility and family building benefits
- Discretionary benefit stipend
- Daily lunch, snacks and coffee
Ideal candidate
Security-obsessed builder who loves high-reliability infrastructure and making complex, compliant systems feel effortless for others.
Requirements
- 7+ years building backend, platform, or infrastructure systems
- Track record shipping and operating high-reliability services in production
- Deep security instinct reasoning about blast radius and least privilege
- Fluency in a systems language (we use Go)
- remote policy
- primarily in-person
Lab profile
About Sierra
Leading platform for customer-facing AI agents for global enterprise brands.
What they build
- Platform for customer-facing AI agents
Known for
- Enterprise customer service transformation
- Trusted by major global brands
- Voice AI and agent analytics
Key facts
- Headquartered in San Francisco
- Offices across North America, Europe, and Asia