Senior Software Engineer (Product-Led Growth)

Toast; Ireland; On-site; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Unlimited Vacation

Sabbatical after five years

Professional Development Reimbursement

Wellness stipend

401(k) and matching

Medical, Dental, Vision

Job summary

Toast is seeking an experienced backend engineer for the Product-Led Growth team in Ireland. You will own the development of backend services powering in-product growth experiences, from eligibility and targeting to offer delivery and activation.

You’ll collaborate with product, design, and data science to translate business goals into testable product changes, shipping experiments into production and measuring outcomes.

Qualifications

• 5+ years of software engineering experience building and maintaining production backend systems
• Product-minded builder who can make product calls and iterate with cross-functional teams
• Experience with AI tooling and platforms (e.g., Claude, Cursor) is a plus
• Comfortable with ambiguity and with balancing speed and scale
• Proven ability to own features end-to-end from design through measurement and iteration

Responsibilities

• Drive end-to-end development of backend services powering in-product growth experiences
• Build shared infrastructure to make future experiments cheaper and faster
• Collaborate with product, design, marketing, sales operations and data science
• Mentor engineers through code reviews and technical guidance
• Design experiments, instrumentation, and attribution to measure impact

Skills

Software engineering

Product mindset

AI tooling experience

Ambiguity handling

End-to-end ownership

Tools

Claude

Cursor

MCP servers

Job description

• The Product-Led Growth team builds the in-product experiences that help restaurants discover, try, buy, and adopt the Toast products they need
• We own the services and surfaces that decide which restaurants see which offers, carry them through purchase and activation inside the product, and tell us whether it worked
• This is measurable, revenue-attached work
• Every experience we ship has a conversion metric behind it, and we know within weeks whether it worked
• We’re a small team with a large surface area, and we’re early in turning PLG from a set of hand-built campaigns into a platform: shared targeting, offer delivery, purchase, and measurement services that let us launch a new experiment in days instead of weeks
• You’ll ship experiments into production, read the results, and decide what comes next, and you’ll build the shared services that make each launch faster than the last
• You’ll work with product, marketing, sales operations, and data science to turn a hypothesis about customer behavior into a targeted in-product experience, then prove or disprove it with data
• Drive end-to-end development of the backend services that power in-product growth experiences: eligibility, targeting, offer delivery, self-serve purchase, activation, and conversion tracking, owning the full lifecycle and iterating on measured outcomes
• Build the shared infrastructure that makes the next experiment cheaper than the last: reusable targeting and eligibility services, campaign configuration, and a purchase flow that new offers plug into rather than rebuild
• Build and evolve integrations with the systems those services depend on, consuming propensity scores, Toast IQ recommendations, and CMS-driven campaign controls, and connecting to billing, contracting, and provisioning systems so a restaurant can complete a purchase inside the product
• Build LLM-powered experiences on Toast IQ, from prompt and tool design through evaluation and production monitoring
• Design experimentation and attribution instrumentation so every launch has a clear measurement story, and use production data to kill or scale experiences quickly
• Partner with product, design, marketing, sales, and data science to translate business goals like adoption and upsell targets into concrete, testable product changes
• Contribute to technical design and architecture discussions, and help set engineering standards for a team that is growing
• Mentor other engineers through code review, pairing, and technical guidance

Benefits

• Peer and company recognition programs
• Unlimited Vacation
• Sabbatical opportunity after five years
• Professional Development Reimbursement Program
• Commitment to Employee Wellness through resources such as a quarterly Wellness Stipend
• Various peer and company recognition programs
• 401(k) and matching
• Medical, Dental, & Vision Coverage
• Mental Health Benefits
• Subsidized backup childcare

Requirements

• 5+ years of software engineering experience building and maintaining production backend systems in Kotlin, Java, or another object-oriented language, with enough full-stack experience to ship web or native front-end changes when needed
• Proficient with AI tooling such as Claude, Cursor, and MCP servers
• Product-minded builder who is comfortable making product calls, launching, and iterating on what customers actually do, working across PM, design, and sales rather than executing tickets
• Comfortable with ambiguity and with making tradeoffs between speed and scale
• Proven ability to own features end-to-end through design, launch, measurement, and iteration
• Experience building customer-facing features on top of data products such as scores, segments, or recommendations is a plus
• Experience with experimentation, A/B testing, or growth engineering, and a working understanding of attribution: you can explain why a metric moved and whether to believe it
• Experience building on LLMs or AI platforms, in production or in side projects. Interest in agents and tool use is a bonus