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Principal Software Engineer

Android Toast Inc. – Boston, Massachusetts

Engineering, Information Technology, Design

Salary : $50000 - $70000  / YEAR

Some Projects We’ve Been Working On Recently Include

Server features including allowing them to bulk administer checks to another server at the end of their shift

Refactoring to enable faster development, better testability, reliability and usability

Optimizing performance of the user interface and creating performance dashboards and benchmarks

Re-designing complex ordering workflows based off an event-sourced architecture


As an Android Principal Software Engineer for the core teams, you will be:

Hands on with Android while crafting, building and maintaining high performance mobile apps

Designing highly resilient, flexible & scalable enterprise applications

Embedded on the orders workflow team, but owning architecture across the core teams

Providing mentorship to other senior engineers


Do you have the right ingredients?

Proficient in Java and/or Kotlin

Expert in the Android ecosystem

Experience with a large scale enterprise organization

Passionate about building great software

Our Tech Stack

Toast’s products run on a stack that ranges from guest and restaurant-facing Android tablets to backend services in Java to internal, guest-facing and restaurant-facing web apps. Our backend services follow a microservice architecture written using Java 8 and DropWizard; we use AWS extensively, ranging from S3 to RDS to Lambda. We have our own platform for dealing with user management, service elevations and robust load balancing. Toast stores data in a set of sharded Postgres databases and utilizes Apache Spark for large scale data workloads including query and batch processing. The web front-end is built primarily using Angular and ES6. The main Toast POS application is an Android application written in Java and Kotlin. For data between tablets and our cloud platform we operate RabbitMQ clusters as well as direct tablet communication to the back end.

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