Software Engineer II, Backend

Toast

2d•$104,000 - $213,000•Hybrid

About The Position

Toast is seeking a Software Engineer II to join its Payments team and contribute to developing a unified payment processing solution. The platform provides an integrated service for accepting payments across channels and supports a configurable enterprise approach, enabling payment methods to be built once and made available to existing and emerging use cases. The role works on a critical part of Toast’s infrastructure: processing payments for restaurants and ensuring timely payments. The position requires the ability to work East Coast hours. Toast uses a hybrid work model intended to foster in-person collaboration while accommodating individual needs. In-office expectations vary by region. The role’s salary range depends on geographic pay zone: Zone A, $133,000–$213,000; Zone B, $115,000–$184,000; or Zone C, $104,000–$166,000. Starting salary is determined by skills, experience, and geographic location. Total rewards may also include overtime, eligible bonus or commissions, equity, and benefits.

Requirements

At least 2 years of experience designing and implementing robust backend services using Kotlin.
Ability to develop scalable and secure APIs that integrate with internal and external systems.
Knowledge of API lifecycle management best practices, including versioning, documentation, and deprecation strategies.
Proficiency in Kotlin-specific frameworks and libraries for building backend solutions.
Experience with microservices architecture and containerization technologies.

Nice To Haves

Proficiency in DynamoDB.
Proficiency in Kotlin, or Java experience with willingness to learn Kotlin, and Kotlin-specific frameworks and libraries for backend development.
Familiarity with AI-augmented development tools and workflows, such as Claude Code, GitHub Copilot, or Codex.

Responsibilities

Design, build, and deliver features for Toast’s payments products.
Develop and implement automated test suites to ensure code shipped to customers meets high quality standards.
Roll out features to customers and monitor their success.
Collaborate with UX and Product Management on feature definition and design.
Partner with a wide range of teams across Toast.
Work with experienced engineers on design and code reviews.