Staff Software Engineer- FinTech
Core
Building next-generation payment processing platforms and AI agent systems for Toast's restaurant POS infrastructure.
Role type
Staff Software Engineer (Payments & AI Agents)
Builds
Scalable payment processing services and agentic development solutions for enterprise payment acceptance.
Domain
FinTech / Payments / AI Agents
Deliverable
production ML models | product features
Required skills
Backend service design, agentic development practices, technical leadership, scalable API design, microservices architecture, containerization
Preferred skills
Agentic product design, DynamoDB or PostgreSQL, Kotlin, modern data architectures, payments API design, AI-augmented development workflows
Technologies
Kotlin, Java, DynamoDB, PostgreSQL, microservices, containerization
Responsibilities
Plan, design, build, and deliver features for payments products; Roll out features to customers and monitor success; Collaborate with PMs and UX on feature definition and design; Partner with cross-functional teams to spread knowledge; Design, estimate, implement, test, and debug end-to-end agent solutions; Advocate for spec-driven and agentic development practices; Lead and work with experienced engineers on design and code review
Seniority
Staff, hands-on IC with leadership responsibilities