THUMBTACK HELPS MILLIONS OF PEOPLE CONFIDENTLY CARE FOR THEIR HOMES.

Thumbtack is the one app you need to take care of and improve your home — from personalized guidance to AI tools and a

best-in-class hiring experience. Every day in every county of the U.S., people turn to Thumbtack to complete urgent repairs,

seasonal maintenance and bigger improvements. We help homeowners know which projects to do, when to do them and who to hire from

our growing community of 300,000 local service businesses. If making an impact inspires you, join us. Imagine what we’ll build

together.

ABOUT THE APPLIED SCIENCE TEAM

We’re looking for applied scientists with deep expertise in machine learning, optimization, building data products, and/or

statistical models. As part of a small product team you will have full ownership over your domain, so you should be a person who

dreams big, then executes well.

At Thumbtack, the Applied Science team is responsible for a wide variety of problems spanning AI, machine learning, statistics,

and computer science:

Improve customer and service provider matching. Matching and optimization algorithms are fundamental to Thumbtack’s product: we

now service millions of matches per week. Identifying better matches between customers and service providers has an incredible

impact on the experience of customers and professionals transacting on our platform.

Model complex relationships in the presence of many confounding factors. Predictive modeling problems are everywhere across our

product. Our team works to scope, design and implement machine learning models to support Thumbtack’s product and marketing.

Characterize marketplace dynamics. Thumbtack’s marketplaces consist of thousands of active markets across our service

categories and U.S. cities. Via exploratory data analysis and experimental design, our team works to understand trends and

behaviors within these markets.

Build AI features. Use state-of-the-art approaches such as large language models (LLMs), reinforcement learning and agentic

workflows to enhance customer / pro experience, increase acquisition and marketplace efficiency, and to automate and enhance

internal processes.

Build a healthy marketplace. We evolve and manage the monetization mechanics of our marketplace, including defining the

parameters that affect the prices we charge.

THE CHALLENGE

Thumbtack constantly works to balance supply and demand across thousands of local markets and hundreds of service categories. The

Pro Growth pod is responsible for the science behind acquiring and activating the right pros, at the right time, in the right

markets, to keep the marketplace healthy and growing. As an Applied Scientist on Pro Growth, you’ll build models and experiments

that shape who joins Thumbtack, how they get activated, how we forecast supply needs by market and trade, and how we accelerate

time-to-value for new pros. We leverage machine learning, causal inference, and optimization to strategically grow and shape our

pro supply base. Our work directly contributes to meeting demand projections, unlocking strategic partnerships, and ultimately

enhancing customer experience and platform growth by ensuring a robust and high-quality supply of pros.

You’ll work shoulder-to-shoulder with engineers, product managers, and other applied scientists on a portfolio that ranges from

incrementality and market forecasting to LLM-powered onboarding agents. You’ll own end-to-end: from problem framing, through

experiment design, through deploying models to production, through measuring business impact.

WHAT YOU’LL DO

Initiate and drive applied science projects to completion, with a focus on the business impact of those projects on pro

acquisition, activation, retention, and supply health.

Develop, deploy, and optimize machine learning models for supply-side problems, including: lead scoring and pro acquisition

targeting, market-level supply forecasting, pro onboarding and activation, retention and churn prediction, and agentic

onboarding workflows.

Design and execute well-powered marketplace experiments to measure model and product impact on supply and business metrics.

Analyze structured and unstructured data such as marketplace interactions, pro profiles, external supply signals, to identify

trends, opportunities, and risks related to supply health.

Collaborate closely with engineering, product management, business development, and marketing teams to define problems, develop

end-to-end solutions, and ensure successful implementation and monitoring of ML systems in production.

Maintain the right balance between speed of execution and scientific rigor when designing solutions for a fast-paced

marketplace environment.

Contribute to evolving the team’s agentic-first ways of working, including LLM-powered tooling, eval coverage, and the use of

AI agents in day-to-day applied science.

IN ORDER TO BE SUCCESSFUL, YOU MUST BRING

Master’s degree in a quantitative field (Computer Science, Machine Learning, Statistics, Operations Research, Economics, or

related), or equivalent industry experience.

3+ years of industry experience as an applied scientist, data scientist, or ML engineer with ownership of production ML models.

Experience in applied science within a marketplace, supply chain, or growth domain.

Solid knowledge of machine learning techniques such as classification, regression, embedding-based approaches, and causal

inference.

Familiarity with modern LLMs (OpenAI, Anthropic Claude, Gemini, AWS Bedrock) and experience with agentic AI development

practices and tools.

Good knowledge of probability, statistics, and econometric methods, including experimental design, causal inference, and

optimization.

Experience with large-scale distributed systems (Spark, Databricks, or similar).

Ability to effectively read, write, and debug code in programming languages such as Python and SQL.

Ability to break down complex problems rigorously and understand the tradeoffs necessary to deliver impactful projects.

Ability to communicate clearly and effectively to cross-functional partners of various technical levels.

Demonstrated ability to drive seamless execution end-to-end on at least one production ML project.

EXPECTED SALARY RANGES

For candidates living in Ontario and British Columbia, the expected salary range for the role is currently $161,500 - $209,000

Actual offered salaries will vary and will be based on various factors, such as calibrated job level, qualifications, skills,

competencies, and proficiency for the role.

Note: Thumbtack uses AI tools to support our resume screening process. However, our Recruiting team’s expertise and judgment guide

hiring decisions.

Actual offered salaries will vary and will be based on various factors, such as calibrated job level, qualifications, skills,

competencies, and proficiency for the role.

Thumbtack embraces diversity. We are proud to be an equal opportunity workplace and do not discriminate on the basis of sex, race,

color, age, pregnancy, sexual orientation, gender identity or expression, religion, national origin, ancestry, citizenship,

marital status, military or veteran status, genetic information, disability status, or any other characteristic protected by

federal, provincial, state, or local law. We also will consider for employment qualified applicants with arrest and conviction

records, consistent with applicable law.

Thumbtack is committed to working with and providing reasonable accommodation to individuals with disabilities. If you would like

to request a reasonable accommodation for a medical condition or disability during any part of the application process, please

contact: recruitingops@thumbtack.com.

For information about how Thumbtack collects, uses, and shares personal information about job applicants, please see our Job

Applicant Privacy Policy.

We put as much craftsmanship into candidate safety as we do into the hiring experience itself. While scammers may try to

impersonate our team, we’ll never ask you for money, banking info, or SSNs during hiring. Check out our blueprint on how to spot

the fakes.

Role

Applied Scientist, Pro Growth

Locations

Remote

Published

May 15

Deadline

August 16

Tags for this job

Python AWS SQL AI Machine Learning Spark Databricks

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