Key skills
Backend services designScalable APIs developmentMicroservices architectureDynamoDBPostgreSQLKotlinJavaAPI lifecycle managementMentoring junior engineersContainerization technologiesAI-augmented developmentAIClaudeETLELTGitHubLeadership
About this role
Toast is a company dedicated to building a restaurant platform that empowers restaurants to thrive. They are seeking a Staff Software Engineer to join their Payments team, responsible for developing a unified payment processing solution that supports various payment methods and ensures timely payment for restaurants.
Responsibilities:
- Plan, design, build, and deliver features for Toast’s payments products
- Plan, develop, and implement best practices such as automated test suites to ensure the code shipped to our customers meets the highest quality standards
- Roll - pun intended! - features out to customers, including monitoring for success
- Collaborate with our PM (and UX) on the definition and design of features
- Collaborate and partner with a wide array of teams across Toast in order to spread knowledge inter- and intra-team
- Lead and work with experienced engineers to deliver design and code review
Requirements:
- 8+ years of experience in designing and implementing robust backend services
- Ability to step into a technical leadership role on the team, guiding/coaching/mentor more junior engineers on best practices in architecture, design, coding, testing, deployment, etc
- Proven ability to design and develop scalable and secure APIs that integrate with various internal/external systems
- Applied knowledge of best practices in API lifecycle management, including versioning, documentation, and deprecation strategies, with the ability to share this amongst the team and peers
- 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
- Familiarity with AI-augmented development workflows and tools (e.g., Claude Code, GitHub Copilot, Codex, or similar)