# Toast — Senior Principal Software Engineer, AI Agents

| Field | Value |
|---|---|
| **Date found** | 2026-05-18 |
| **Company** | Toast |
| **Role** | Senior Principal Software Engineer, AI Agents |
| **Location** | Dublin, County Dublin, Ireland — Hybrid |
| **Salary** | Undisclosed |
| **Job URL** | https://www.linkedin.com/jobs/view/4416027604/ |
| **Status** | New |

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## Company Research

| Field | Value |
|---|---|
| **Headquarters** | Boston, Massachusetts, USA |
| **Founded** | 2011 |
| **Employees** | ~7,732 (7,433 on LinkedIn) |
| **LinkedIn** | https://www.linkedin.com/company/toast-inc/ — 314,992 followers |
| **Website** | https://pos.toasttab.com |
| **Blog** | — |

- **Product:** Restaurant operating system — POS platform combining hardware, software, AI, and fintech for restaurants and local businesses.
- **Customers:** ~164,000 restaurant locations globally; includes SMBs and enterprise restaurant groups.
- **Notable:** Nasdaq-listed (TOST); 36% 2-year headcount growth; $2B+ in revenue; 3 Fenergo alumni; 1 Bologna alumni.

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## Job Summary

**What they do:** Toast builds the operating system for restaurants, integrating POS, payments, AI, and fintech into a single platform used by ~164,000 locations globally.

**The role:** Senior Principal Software Engineer driving architectural vision and hands-on implementation of AI agents across Toast's FinTech/Team area (workforce management and labor optimization).

**Core work:**
- Drive architectural vision for AI agents in the Team Management / FinTech product area
- Build and iterate on AI agent products from design through production, hands-on
- Evolve agentic development practices and spread them across Toast engineering
- Partner with Product and Engineering leadership on agent roadmap and strategy

**Stack:** AWS · LLMs · Agentic systems · Distributed SaaS · Spec-driven development

**Work style:** Dublin hybrid; on-site frequency unstated (#BI-Hybrid tag suggests meaningful presence). Permanent role.

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## Score: 65%

| Dimension | Score | Justification |
|---|---|---|
| Agentic AI depth (25%) | 80% | Core mission is building AI agents (not just using them) — driving the architectural vision, agentic development practices, and shipping agent products in a mission-critical fintech area. Direct alignment. |
| Tech fit (25%) | 65% | AWS/SaaS background fits; agentic systems are the focus. No explicit LangChain/LangGraph/LLM orchestration framework listed, but deeply agent-centric. 10+ years SaaS/AWS assumed from requirements. |
| Remote fit (25%) | 45% | Dublin hybrid, frequency unstated. "#BI-Hybrid" tag implies regular on-site; likely 2–3 days/week, which is borderline acceptable but unconfirmed. |
| Company culture fit (15%) | 60% | Strong engineering culture, fast-moving product environment. Not AI-native but AI-serious with dedicated AI Pod + now FinTech Agent focus. 7,000+ employees — larger than ideal. |
| IC/leadership balance (10%) | 80% | "Be hands on and actively participate in development." Mentoring expected but primary value is technical architecture and agent development. |
| **Final (weighted)** | **65%** | Strong agentic AI alignment; main risk is hybrid frequency and large company size vs. AI-native startup preference. |

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## Strengths

- Core mission is building AI agents for a live, mission-critical product area (FinTech/Team management)
- "Senior Principal" level — highest technical IC at Toast — full ownership of architectural vision
- Explicitly hands-on: "actively participate in development"
- Toast already has a dedicated AI Pod (job 011 in index) — strong AI-native engineering culture forming
- Only 7 applicants — very low competition
- 3 Fenergo alumni + 1 Bologna alumni at Toast

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## Weaknesses & Risks

- Hybrid on-site frequency unknown — verify before applying (could fail location constraint if >2 days/week)
- Salary undisclosed; large public company (Nasdaq) may offer equity-heavy package
- Restaurant/fintech domain is not intrinsically exciting — verify the agent work is genuinely autonomous and complex
- Toast is a product-led company — agent work may be constrained by product priorities rather than deep technical exploration
- Requires 15+ years experience — senior IC bar is very high

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## Suggestions

- Verify hybrid on-site frequency before applying
- This and job 011 (Toast AI Pod) are both open simultaneously — consider applying to both or the better fit first
- Emphasize agentic pipeline ownership from Fenergo (compliance document parser, end-to-end autonomous extraction)
- Highlight experience driving technical direction across teams (cybersecurity company ML lead role)
- The "FinTech/Team" area focuses on workforce management and labor optimization — frame any relevant fintech or automation domain experience

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## Interview Tracker

| Stage | Date | Notes |
|---|---|---|
| Applied | | |
| Recruiter screen | | |
| Technical interview | | |
| Final round | | |
| Offer / Outcome | | |