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Full-Stack Engineer, AI Platform

Join Thumbtack as a Full-Stack Engineer to build AI-enabled internal systems for business teams.

Location
Remote, Ontario
Compensation
CA$154.7k–CA$200.2k/yr
Level
mid
Type
full time · Remote

Posted by employer 2 days ago

First seen on Joblaze 2 days ago

Last verified on the company career page 9 minutes ago

Apply at Thumbtack → Save job Scanned from thumbtack.com

What you'll build

  • Design and build interfaces for business teams
  • Build observability and evaluation tooling
  • Work across the stack from frontend to backend
  • Partner with business teams to translate problems into software
  • Own the full lifecycle of your work

Must have

  • 3+ years of professional software engineering experience
  • Strong frontend skills with React and TypeScript
  • Solid backend engineering ability
  • Working knowledge of relational and non-relational data stores

Nice to have

  • Interest in non-deterministic systems
  • Proven ability to navigate ambiguity

AI in the day-to-day

We are expanding into a broader internal platform for AI-enabled work.

Requirements

Experience
3+ years

Not disclosed in this posting: visa sponsorship.

Joblaze summary

In this role, the Full-Stack Engineer will design and develop user interfaces for business teams to manage agent capabilities and monitor their actions within Thumbtack's internal systems. Proficiency in React and TypeScript is essential, along with backend skills in languages like Go, PHP, or Python, and familiarity with various data stores. This position is suited for engineers with over three years of experience who can navigate ambiguity and translate complex operational needs into effective software solutions. The team focuses on building a robust internal platform that enhances automation and operational efficiency.

Joblaze insights

  • Listed 2 days ago — first seen on Joblaze September 19, 2026. Last confirmed on Thumbtack's careers page September 21, 2026.
  • This exact title is also open at 1 other location at Thumbtack: Remote, United States.
  • Starts above 11% of 99 comparable mid fullstack roles we track (median $135,000 across 57 companies).

Quick facts

Is the Full-Stack Engineer, AI Platform role remote?
Yes — Thumbtack lists this as a fully remote position.
What's the salary range?
Thumbtack lists CAD 154,700–CAD 200,200 for this role.
How much experience is required?
At least 3 years of relevant experience for this Full-Stack Engineer, AI Platform role.
What's the tech stack?
Joblaze extracted these technologies from the posting: DynamoDB, Go, PHP, PostgreSQL, Python, React.
What seniority level is this role?
Thumbtack targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Full-Stack Engineer, AI Platform role at Thumbtack.

From the original posting

About the Business Applications Team

The Business Applications org builds and operates the internal systems that keep Thumbtack running at scale: Salesforce-centered workflows, admin tooling, and the integrations that connect teams across the company. We're now expanding that foundation into a broader internal platform for AI-enabled work — shared APIs, reusable integration patterns, and safe, auditable capabilities for business-critical actions. We work directly with the business teams who depend on these systems, turning complex operational needs into software that's easier to run, extend, and automate responsibly.

The challenge

Agents can already take action inside Thumbtack's internal systems. The harder problem is making that trustworthy: giving business teams a way to configure what agents are allowed to do, review and correct their work, and see clearly what happened and why. Without that, automation stays stuck in pilots. This engineer owns the product surface that turns agent capability into something teams will actually rely on for business-critical work — and the services behind it.

What you’ll do

  • Design and build the interfaces business teams use to configure agents, review their work, approve or correct actions, and understand what happened and why.

  • Build observability and evaluation tooling that makes agent behavior legible — where it succeeded, where it failed, and whether a change made things better.

  • Work across the stack, from React and TypeScript through service code and data models, owning features end to end through build, test, launch, and iteration.

  • Partner directly with the business teams who use what you build; translate ambiguous operational problems into working software.

  • Own the full lifecycle of your work, including monitoring and post-launch improvement.

  • 3+ years of professional software engineering experience.

  • Strong frontend skills with React and TypeScript, including complex application state and data-dense interfaces.

  • Solid backend engineering ability. We use Go, PHP, and Python, and we expect strong engineers to pick up a new language.

  • Working knowledge of relational and non-relational data stores (Postgres, DynamoDB, or similar).

  • Real product judgment: you can look at a workflow, decide what to build, and say what to cut.

  • Interest in the problems that come with non-deterministic systems — uncertainty, partial failure, and designing for human correction rather than assuming a correct answer every time.

  • Proven ability to navigate ambiguity, close your own knowledge gaps, and deliver in an evolving environment.

Expected salary ranges

  • For candidates living in Ontario and British Columbia, total cash compensation (base salary + variable pay, if applicable) range for the role is currently $154,700.00 - $200,200.00.

Standard company text repeated across Thumbtack's postings is omitted here.

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