Senior Software Engineer, AI Foundations

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.

AI Foundations is Toast's internal platform team for AI. We build the
infrastructure, governance, and developer tooling that makes AI a reliable,
scalable force multiplier across the entire product development lifecycle. Our
products include the LLM Proxy, AI Key Management, Observability pipelines, the
Claude Plugin Marketplace, and autonomous agents that participate directly in
the software development lifecycle.

As a Senior Software Engineer on this team, you'll be hands-on building the
systems that other Toast engineers depend on every day: the LLM proxy, agentic
workflows, and the plugin marketplace that brings AI-native development
practices to teams across the company.

A day in the life (Responsibilities)

* Design, build, and ship features across AI platform infrastructure, including
the LLM proxy, AI key management, and observability pipelines
* Develop and extend autonomous agents that participate in the SDLC, such as
the AI Review GitHub App and Developer Platform MCP integrations
* Build on and contribute to the internal plugin marketplace, developing
plugins that encode Toast's architectural standards and quality practices
into AI assistant behavior
* Implement MCP (Model Context Protocol) services and service templates that
make it faster and easier for teams across Toast to build AI-powered
workflows
* Write high-quality, well-tested code and participate in design and code
reviews
* Collaborate with engineers, product managers, and platform teams to
understand developer needs and translate them into reliable platform
solutions
* Contribute to the team's adoption of agentic development practices and
tooling
* Leverage cutting edge AI tools to enhance your development workflow, improve
velocity, and help pioneer new approaches to building - contributing to a
culture of innovation and productivity across the team.

What you'll need to thrive (Requirements)

* Bachelor’s Degree with relevant experience of 5+ years in designing and
implementing scalable backend services
* Demonstrated experience building, deploying, or operating LLM-powered agents
or AI-assisted developer tooling
* Familiarity with AI coding assistants (e.g., Claude Code, Cursor, GitHub
Copilot) and an interest in extending them through custom plugins, skills, or
hooks
* Experience with MCP (Model Context Protocol), tool use patterns, or similar
agentic integration frameworks
* Working knowledge of prompt engineering and how LLM behavior responds to
context and instructions
* Strong foundation in Java, Kotlin, or another object-oriented language
* Experience with distributed systems, REST APIs, and cloud-native
infrastructure
* Strong customer empathy and a drive to make developers' lives better through
reliable, well-designed platform solutions
* This is a hybrid role with 2 days per week in the Bengaluru office.

What will help you stand out

* Familiarity with A2A (Agent-to-Agent) protocols and multi-agent orchestration
patterns
* Experience with machine learning concepts, model evaluation, or ML
infrastructure
* Experience building developer experience platforms, internal tooling, or API
gateways
* Familiarity with observability tooling for AI/LLM systems (e.g., Langfuse,
DataDog)

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
[https://careers.toasttab.com/toast-benefits].

#LI-HYBRID

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
[https://careers.toasttab.com/ai-in-hiring]

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
[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 candidateaccommodations@toasttab.com
[candidateaccommodations@toasttab.com].

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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.