Principal Engineer, Card Readers Team at Toast

Toast, Inc.

Remote

Quick summary

Work type
Remote
Location
Remote
Salary
$230,000–$368,000 / yr
Posted
2 days ago

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $214k
This role $299k
$154k most similar roles pay here $391k

This role pays more than 95% of similar roles. Most pay $177,250–$250,000 — the shaded band above. At the midpoint, this role pays about $299k versus about $214k for comparable roles.

Based on 240 similar postings.

Employer

About Toast, Inc.

Toast is a cloud-based restaurant management platform providing point-of-sale, payment processing, and operations software for the food service industry.

Toast, Inc. currently has 34 open roles on FindRole.

Listed pay typically runs $168,000–$269,000 across 33 roles with salary data.

Most-posted roles

View all roles at Toast, Inc.

At a glance

TL;DR · Principal Engineer, Card Readers Team at Toast

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As a Principal Engineer on the Card Readers team, you will lead technical initiatives and drive architectural decisions for our POS payment integrations, working closely with hardware SDKs and core application teams. Your daily responsibilities include developing high-throughput asynchronous JVM solutions in Kotlin, ensuring robustness and scalability of payment systems while adhering to EMV standards. You will mentor engineers, foster a culture of excellence, and collaborate across lines of business to align technical solutions with strategic objectives. Expertise in Kotlin, Java, security practices, and observability is essential, along with experience in large-scale Android projects and complex SDK integrations. This role demands fluency in card payments technology and a track record of successful platform initiatives.

Skills

Kotlin Java JVM EMV Agile CI/CD Security API Design Observability Monitoring Alerting Mentoring AI Tooling SDK Integration Payment Gateways POS Integrations Fintech Coroutines Multi-threading Concurrency

What you'll do

  • Develop and execute technical strategies to solve complex business challenges.
  • Architect high-performance applications using Kotlin, ensuring security and reliability.
  • Lead agile development processes, including sprint planning and retrospectives.
  • Mentor engineers, fostering a culture of continuous improvement and excellence.
  • Build partnerships across lines of business to align technical solutions strategically.

What we're looking for

  • Expert-level proficiency in Kotlin, Java, and JVM languages with experience in multi-threading/concurrency.
  • Demonstrated ability to lead large cross-team platform initiatives and set technical direction beyond a single team.
  • Deep understanding of card payments, including EMV standards and technology.
  • Track record of successfully completing complex SDK integrations and expertise in security and key management best practices.
  • Experience designing public APIs for easy consumption and ensuring observability, monitoring, and alerting for user-device interactions.

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