Staff Software Engineer, Voice AI Platform

Toast, Inc.

Confirmed live yesterday High trust
Remote Hybrid

Quick summary

Work type
Remote
Location
Boston, MANew York, NY
Salary
$193,000–$309,000 / yr
Posted
25 days ago
Freshness
Confirmed live yesterday
Closes
Dec 8, 2026

Market check

Salary context

Above market

How this pay compares to similar roles

Similar $216k
This role $251k
$161k most similar roles pay here $325k

This role pays more than 79% of similar roles. Most pay $186,725–$246,150 — the shaded band above. At the midpoint, this role pays about $251k versus about $216k 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 29 open roles on FindRole.

Listed pay typically runs $190,000–$304,000 across 29 roles with salary data.

Most-posted roles

View all roles at Toast, Inc.

At a glance

TL;DR · Staff Software Engineer, Voice AI Platform

As a Staff Software Engineer on the Voice AI Team, you will join a greenfield initiative to build and operate a foundational voice platform that powers core services and supports new applications across the organization. You will take end-to-end ownership of significant projects, designing scalable backend systems, making architectural decisions, and establishing patterns for observability and evaluation of AI-powered systems. The role involves integrating with AI platforms and internal systems while managing trade-offs between speed and reliability. You will work with a technical stack including Java, Kotlin, DropWizard, AWS (DynamoDB, RDS, Lambda), and React. Key responsibilities include mentoring engineers, defining engineering standards, and navigating the complexities of non-deterministic LLM capabilities. This role solves critical challenges in building reliable, high-scale infrastructure for voice and conversational AI technologies within a distributed systems environment.

What does a Software Engineer earn in Massachusetts?

Median $207604 from 88 postings across 22 companies.

See salary data

What you'll do

  • Design, build, and maintain resilient backend services and core components for the Voice AI platform.
  • Lead complex, cross-cutting projects from initial design through production while aligning multiple stakeholders.
  • Define architectural decisions and technical patterns to reduce complexity for dependent engineering teams.
  • Build and evolve integrations with AI platforms and internal systems while balancing speed and scalability.
  • Establish observability, monitoring, and evaluation frameworks specifically for AI-powered systems using production data.
  • Set and enforce high standards for engineering quality through written guidance and established patterns.
  • Mentor engineers across all levels through code reviews, design feedback, and technical guidance.

What we're looking for

  • Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or a related field.
  • 8+ years of experience with object-oriented languages such as Java or Kotlin.
  • Experience developing AI-integrated products or features using LLMs or other AI capabilities.
  • Experience building and reasoning about AI-powered systems including nondeterminism, evaluation strategies, observability, and cost management.
  • Experience shipping complex, mission-critical production services and owning them long-term.
  • Track record of leading multi-person and multi-team projects end-to-end from design through rollout.
  • Deep understanding of distributed systems, scalability, and production reliability.
  • Basic familiarity with frontend development; experience with voice or conversational AI platforms (preferred).

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