Software Engineer II, IAM

Toast; San Francisco (CA); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Toast is seeking a Software Engineer II for our Identity Management team. You will help develop reliable code and services for user management, authentication, and permissions, partnering with stakeholders across product and engineering.

The role focuses on building scalable microservices and core services, with opportunities to influence design, security, and reliability across the Toast platform. Strong communication and a passion for learning are essential.

Qualifications

• Proficient in Java or Kotlin with strong testing and quality practices.
• Experience with microservices and distributed systems.
• Familiar with asynchronous messaging (e.g., Pulsar, JMS, Kafka).
• Proven track record delivering reliable production services.
• Excellent communication skills and ability to simplify complex concepts.

Responsibilities

• Collaborate with UX, PM, QA and engineers to design, build, and maintain scalable microservices and web/mobile apps.
• Champion best practices: integration, unit, end-to-end and performance testing.
• Address scaling challenges and implement robust solutions.
• Provide design feedback and participate in code reviews to meet requirements.
• Monitor feature rollouts and iterate to improve customer success.
• Design, build, deploy, and maintain resilient systems critical to customers.
• Diagnose performance bottlenecks and optimize software performance.
• Ensure quality delivery and production monitoring.

Skills

Java

Kotlin

Job description

About Toast

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy.

Role Overview

Toast is looking for a Software Engineer II to join our Identity Management team to play a critical role in developing reliable code and algorithms in our user management, permission, and web services. We are looking for an engineer who has the ability and drive to make an impact, not only on their own but by also enabling those around them to succeed. Partnering with stakeholders, product managers, product designers, product data analysts, and other engineers, you will be part of a team responsible for ensuring that our practices in the development of our platform are safe and secure. You will also be responsible for developing and maintaining core services and repositories in Toast, including integrations, managing users, authentication, and permissions. The Toast platform processes tens of millions of requests per day, and this number grows constantly as we add new restaurants and integration partners to our system. The services we develop on this team are essential for Toast’s operation and their resilience and reliability are crucial from a business and user perspective.

Responsibilities

• Be part of a team working collaboratively with UX, PM, QA and other engineers designing, building and maintaining high performance, flexible and highly scalable microservices, as well as development of web and mobile applications
• Champion best practices such as quality integration, unit testing, end-to-end testing, and performance testing
• Tackle scaling challenges and implement robust solutions.
• Provide design feedback and participate in code reviews to ensure implementations meet requirements.
• Monitor feature rollouts to ensure customer success, iterating and improving when necessary.
• Design, build, deploy, and maintain highly resilient and scalable systems critical to our customers’ success.
• Diagnose performance bottlenecks and optimize for better performance.
• Ensure that all work done is delivered with quality and is appropriately monitored and supported in production.

Requirements

• Proficient in Java, Kotlin or another object-oriented language, with a deep understanding of testing, quality & best practices.
• Understanding of microservices, distributed systems, and enterprise messaging.
• Familiar with asynchronous communication tools (e.g., Pulsar, JMS, Kafka).
• Proven track record of delivering reliable services to production.
• Excellent communication skills, with the ability to simplify complex technical concepts for non-technical stakeholders.
• A passion for technology and continuous learning.
• Enthusiasm for solving impactful challenges and writing clean, scalable code.
• The capacity to tackle complex and ambiguous problems, communicate clearly with others to solve the problem, and share knowledge to help the whole team succeed.
• Experience working in the IAM space is a plus.
• Experience working in a team with Agile/Scrum methodology.

Hybrid Work

This is a hybrid role requiring in-office collaboration two days per week in our Dublin office.

AI at Toast

At Toast, one of our company values is that we’re hungry to build and learn. We believe learning new AI tools empowers us to build for our customers faster, more independently, and with higher quality. We provide these tools across all disciplines, from Engineering and Product to Sales and Support, and are inspired by how our Toasters are already driving real value with them. The people who thrive here are those who embrace changes that let us build more for our customers; it’s a core part of our culture. To learn more: https://careers.toasttab.com/ai-in-hiring.

Our Total Rewards Philosophy

We strive to provide competitive compensation and benefits programs that help to attract, retain, and motivate the best and brightest people in our industry. Our total rewards package goes beyond great earnings potential and provides the means to a healthy lifestyle with the flexibility to meet Toasters’ changing needs. Learn more about our benefits at https://careers.toasttab.com/toast-benefits.

Diversity, Equity, and Inclusion is Baked into our Recipe for Success

At Toast, our employees are our secret ingredient—when they thrive, we thrive. The restaurant industry is one of the most diverse, and we embrace that diversity with authenticity, inclusivity, respect, and humility. By embedding these principles into our culture and design, we create equitable opportunities for all and raise the bar in delivering exceptional experiences.

Apply Today!

Toast is committed to creating an accessible and inclusive hiring process. As part of this commitment, we strive to provide reasonable accommodations for persons with disabilities to enable them to access the hiring process. If you need an accommodation to access the job application or interview process, please contact [e-mail].

For roles in the United States, it is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.