Senior Software Engineer, Voice AI

· Remote

Location

Remote

Type

Full Time

Job Description

ToastJobs
Senior Software Engineer Voice AI

Senior Software Engineer Voice AI

Posted Yesterday
Be an Early Applicant
Hiring Remotely in US
Remote
159K-254K Annually
Senior level
Cloud • Fintech • Food • Information Technology • Software • Hospitality
We empower the restaurant community to delight guests do what they love and thrive.
The Role
Design build deploy and maintain scalable resilient backend services for a Voice AI platform. Lead cross-cutting projects make architectural decisions integrate AI platforms implement observability and evaluation frameworks and mentor engineers.
Summary Generated by Built In

Location(s): US (remote) Boston (hybrid) or New York (hybrid)


Who We Are

Toast is driven by building the restaurant platform that helps restaurants adapt take control and get back to what they do best: building the businesses they love. We are looking for a Senior Software Engineer to join the Voice AI Team.

On the Voice AI Team our mission is to build and operate the voice platform that powers Toast and to ship novel applications on top of it that create real value across Toast's customer base. This is a greenfield space where the platform and its use cases are being defined together and the work you do here will be foundational to how Toast uses voice AI for years to come.

About this roll* (Responsibilities)

As a Senior Software Engineer on this team you'll take ownership of significant projects end-to-end: designing systems driving execution across the team and making the technical decisions that shape how the platform grows. You'll work closely with product engineering and stakeholders across Toast to turn ambiguous problems into reliable scalable systems. Here’s what you’ll be doing:

  • Design build deploy and maintain highly resilient and scalable backend services and applications supporting Toast's Voice AI platform
  • Lead complex cross-cutting projects from design through production owning outcomes and driving alignment across stakeholders
  • Shape the team's technical direction by making architectural decisions defining patterns and reducing complexity for the engineers around you
  • Build and evolve integrations with AI platforms and internal Toast systems making pragmatic tradeoffs between speed reliability and long-term scalability
  • Design and implement observability monitoring and evaluation frameworks for AI-powered systems using production data to understand and continuously improve system behavior
  • Advocate for engineering quality and best practices raising the bar for the team and the broader organization
  • Mentor engineers at all levels through code reviews design feedback and technical guidance

Do you have the right ingredients*? (Requirements)

  • 5+ years of experience with object-oriented languages such as Java or Kotlin
  • Basic familiarity with frontend development on small scale projects
  • Bachelor’s degree in Computer Science Software Engineering Computer Engineering or related field.
  • Experience shipping complex mission-critical production services and owning them long-term
  • Track record of leading multi-person projects end-to-end from design through rollout
  • Deep understanding of distributed systems scalability and production reliability
  • Experience building and reasoning about AI-powered systems including nondeterminism evaluation strategies observability and cost management
  • Experience developing AI-integrated products or features with a practical understanding of how to ship and iterate on systems that incorporate LLMs or other AI capabilities
  • Strong cross-team communication and collaboration skills; able to influence direction without formal authority
  • Actively uses AI coding tools (e.g. Claude Code Cursor) in day-to-day development
  • Experience with voice or conversational AI platforms is a plus but not required

Our Tech Stack

Our backend services follow a microservice architecture written in Kotlin and Java using DropWizard running on AWS (DynamoDB RDS Lambda). We store data in sharded Postgres databases and have our own platform for user management canary deployments and load balancing. Our web front-end is built with React and ES6.

 

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.

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.

The base salary range for this role is listed below. The starting salary will be determined based on skills experience and geographic location. In addition to base salary our total rewards components include cash compensation (overtime bonus/commissions if eligible) equity and benefits. You can learn more about how we align pay with local labor markets in our Geographic Pay Zone Philosophy.

Zone A
$159000$254000 USD
Zone B
$138000$221000 USD
Zone C
$125000$200000 USD

How Toast Uses AI in its Hiring Process

Throughout the hiring process our goal is to get to know you. We use AI tools to support our recruiters and interviewers with tasks like note-taking summarization and documentation of interviews to ensure they can be fully focused on your conversation. All hiring decisions are made by people. To learn more: https://careers.toasttab.com/ai-in-hiring

Our Approach to Hybrid Working
We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the hospitality community regardless of location. Please visit the Locations page on our career site to learn more about our in-office expectations by region: https://careers.toasttab.com/locations-toast

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.

We Thrive Together

We embrace a hybrid work model that fosters in-person collaboration while valuing individual needs. Our goal is to build a strong culture of connection as we work together to empower the restaurant community. To learn more about how we work globally and regionally check out: https://careers.toasttab.com/locations-toast.

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 [email protected].

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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.

Skills Required

  • 5+ years of experience with object-oriented languages such as Java or Kotlin
  • Basic familiarity with frontend development on small scale projects
  • Bachelor's degree in Computer Science Software Engineering Computer Engineering or related field
  • Experience shipping complex mission-critical production services and owning them long-term
  • Track record of leading multi-person projects end-to-end from design through rollout
  • Deep understanding of distributed systems scalability and production reliability
  • Experience building and reasoning about AI-powered systems including nondeterminism evaluation strategies observability and cost management
  • Experience developing AI-integrated products or features with practical understanding of LLMs or other AI capabilities
  • Strong cross-team communication and collaboration skills
  • Actively uses AI coding tools (e.g. Claude Code Cursor) in day-to-day development
  • Experience with voice or conversational AI platforms

What the Team is Saying

Christopher
Srishti
JJ
Eden
Jane

Toast Compensation & Benefits Highlights

  • Parental & Family SupportPaid parental leave and family‑forming resources are highlighted as generous and inclusive. Backup child/adult care and caregiving supports further strengthen this area.
  • Leave & Time Off BreadthFlexible PTO paid company holidays and a paid sabbatical after extended tenure indicate broad time‑off options. Feedback suggests these policies compare well with peer tech employers.
  • Wellbeing & Lifestyle BenefitsAccess to no‑cost therapy/coaching wellness stipends and financial‑wellness resources is emphasized. These offerings extend support beyond core insurance into day‑to‑day wellbeing.

Toast Insights

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The Company
HQ: Boston MA
5000 Employees
Year Founded: 2011

What We Do

Toast is the all-in-one platform built for restaurants of all sizes. Toast provides a single platform of software as a service (SaaS) products and financial technology solutions that give restaurants everything they need to run their business including point of sale payments supplier management digital ordering and delivery marketing and loyalty and team management. By serving as the restaurant operating system across dine-in takeout and delivery channels Toast helps restaurants increase revenue streamline operations and deliver amazing guest experiences.

Why Work With Us

Our recipe for an awesome workplace: One splash of friendship A dollop of impact A sprinkle of no hierarchy & A heavy spoonful of individuality Mix these ingredients in a fast-paced and hardworking environment. Best paired with a side of interesting people who always bring their whole selves to work. *100% Sunday scary free

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Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: Flexible
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Date Posted

06/24/2026

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