Software Engineer, Payments Infrastructure
Core
Designing secure-capture protocols and building a tokenization platform to create a trust boundary between live conversations and payment systems, ensuring no plaintext cardholder data is exposed to agents or LLMs.
Role type
Senior IC backend infrastructure engineer (payments security)
Builds
Secure payment infrastructure, tokenization platform, and detection systems for enterprise AI agents
Domain
Fintech, AI, Cloud Infrastructure, Cybersecurity
Deliverable
production ML models | product features | infrastructure
Required skills
Backend system design, distributed systems architecture, applied cryptography, key management, security perimeter design, protocol design, Go programming
Preferred skills
Experience in regulated domains (PCI, healthcare), real-time media pipelines, building internal developer platforms (SDKs, self-serve)
Technologies
Go, PCI DSS compliant systems, Visa Global Registry
Responsibilities
Design secure-capture protocols for multi-channel payment integration, build and extend the tokenization platform with envelope encryption, own the security perimeter for cardholder data environments, build deterministic detection for cardholder data in the agent's hot path, drive platform abstraction for processor-agnostic charging and self-serve onboarding, set technical direction for the team
Seniority
Senior, hands-on IC