Senior Software Engineer (Backend), Payments

Toast is a company focused on building a comprehensive restaurant platform to empower restaurants in managing their operations. They are seeking a Senior Software Engineer to join their Payments team, responsible for developing a unified payment processing solution that integrates various payment methods and ensures timely transactions for restaurants.

Responsibilities:

• Design, build, and deliver features for Toast’s payments products
• Develop and implement automated test suite to ensure the code shipped to our customers meets the highest quality standards
• Roll* features out to customers, including monitoring for success
• Collaborate with our PM (and UX) on the definition and design of features
• Partner with a wide array of teams across Toast
• Work with experienced engineers to deliver design and code review

Requirements:

• 5+ years of experience in designing and implementing robust backend services
• Proven ability to develop scalable and secure APIs that integrate with various internal/external systems
• Knowledge of best practices in API lifecycle management, including versioning, documentation, and deprecation strategies
• Demonstrated experience with microservices architecture and containerization technologies for enhanced scalability and maintainability
• Demonstrated proficiency with DynamoDB or PostgreSQL
• Proficiency in Kotlin (or Java and willing to learn Kotlin) and Kotlin-specific frameworks and libraries for building efficient backend solutions
• Experience with modern data architectures (event sourcing, OLAP, ETL/ELT, streaming data)
• Experience designing payments APIs
• Familiarity with PCI-DSS