--- title: 'Software Engineer, AI/ML Infrastructure at Thumbtack' canonical: 'https://feeny.ai/job/software-engineer-ai-ml-infrastructure-thumbtack-ontario-s7mrrpdy6mh5' type: 'job' last_seen: '2026-09-10' --- # Software Engineer, AI/ML Infrastructure at Thumbtack - **Company:** Thumbtack - **Location:** Ontario, Canada - **Compensation:** $123k–$160k - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-03-11 - **Last confirmed live:** 2026-09-10 - **Apply:** https://jobs.ashbyhq.com/thumbtack/fc9f96bc-bd4e-4883-95a8-91d25833fa35/application **Skills:** Go, Python, Postgres, DynamoDB, Relational Databases, NoSQL Databases, AI Coding Tools, CI/CD, Orchestration > Build and evolve core AI platform capabilities to enable the development, running, and scaling of GenAI-powered applications. Collaborate with product and platform engineering teams to design scalable tools, infrastructure, and CI/CD pipelines that support applied scientists and drive AI innovation. ## Job description 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 Machine Learning Infrastructure Team At Thumbtack, our challenges span a wide range of areas, including search, recommendations, matchmaking, pricing, safety, content generation, fraud detection, and more. The ML Infrastructure team is responsible for centralizing, standardizing and evolving AI/ML infrastructure that enables these experiences. We empower product engineering teams by providing scalable, high-performance systems that drive AI innovation at scale. To read more about some of the engineering challenges at Thumbtack, visit our [engineering blog](https://www.thumbtack.com/engineering/). Challenge As a Software Engineer on the ML Infrastructure team, you will work closely with product and platform engineering teams to build and evolve core AI platform capabilities. You will help design and improve systems that allow teams to develop, run, and scale GenAI-powered applications in production. Your work will directly support AI-driven experiences used by millions of customers and pros across the Thumbtack ecosystem. ## What you'll do - Build and evolve core AI platform capabilities that enable teams to develop, run, and scale GenAI-powered applications across Thumbtack. - Contribute to the design, development, and deployment of scalable tools and infrastructure to support the efforts of our applied scientists, including traditional ML model training and serving systems, feature and data workflows, CI/CD, orchestration, deployment, and evaluation tooling. - Work hands on across the stack, from backend services and execution infrastructure to integrations with AI models and tooling. - Partner with senior engineers to evaluate next-generation AI infrastructure frameworks and tools that help product teams harness advances in AI. - Drive projects to completion with a strong focus on business impact and measurable outcomes. - Solve complex technical problems and stay up to date with advances in this rapidly evolving space. In order to be successful, you must bring - 1 to 3 years of professional software engineering experience. - Strong fundamentals in data structures, algorithms, and software design. - Proficiency in at least one major programming language, and the ability to work across multiple languages. Our primary stack includes Go and Python. - Experience working with relational or NoSQL databases such as Postgres or DynamoDB. - Demonstrated ability to use AI coding tools in day-to-day workflows and validate, critique, and refine AI-generated output - Comfort operating in a fast-paced environment with a certain level of ambiguity, especially when learning and picking up new technologies when projects require it. - You operate with a bias to action, quickly learning what is needed and taking decisive steps to move work forward in ambiguous, fast-paced environments. Expected Salary Range - For candidates living in Ontario and British Columbia, the expected salary range for the role is currently $123,300 - $159,500. 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](https://www.thumbtack.com/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.](https://careers.thumbtack.com/recruiting-scams) ## About Thumbtack ## Company Overview - **One-liner**: Thumbtack is a technology platform that connects homeowners with local service professionals for home repairs, maintenance, and improvements, while providing AI-powered tools and guidance. - **Entity Type**: Private (Series E, $774.4M total funding) - **Headquarters**: San Francisco, California, United States - **Founded**: 2008 - **Founders**: Marco Zappacosta, Jonathan Swanson, Sander Daniels ## Core Business - **Primary industry/industries**: Home Services Marketplace, Software Development - **Target customers**: B2C (homeowners) and B2B (local service professionals, SMBs) - **Mission or purpose statement**: To help millions of people confidently care for and improve their homes, while empowering local professionals to turn their talents into thriving businesses. ## Products & Services - **Thumbtack Platform**: A mobile app and website where homeowners can find, compare, and book local pros for home services across 500+ project categories. Includes personalized guidance, AI tools, and a best-in-class hiring experience. - **Pro Tools**: A suite of business management tools for the 300,000+ local service businesses on the platform, helping them find profitable jobs, manage bookings, and grow their operations. ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed (last reported valuation of $1.7B in 2021 per secondary market data) - **Key Metric**: Annual Revenue of $300M (LinkedIn estimate); Total Funding of $774.4M - **Notable Investors/Partners**: Sequoia Capital, Tiger Global Management, Javelin Venture Partners, Baillie Gifford, CapitalG - **Growth Signals**: Over 12 million 5-star projects completed; 90 million+ projects started on the platform; 1,109 employees (+17.2% YoY); operates in 13 countries; acquired Setter (2020); the home services industry is less than 10% penetrated online, representing a $600B market opportunity. ## Competitive Advantages - **Scale and Trust**: With over 12 million 5-star reviews and 300,000+ pros, Thumbtack has built a trusted, nationwide network that is difficult for new entrants to replicate. - **Data and AI Moat**: The company is investing heavily in AI-native tools (e.g., AI-powered Marketing Analytics Agent) to improve matching, personalization, and operational efficiency for both homeowners and pros. - **Dual-Sided Network Effects**: More homeowners attract more pros, and better pro tools attract more homeowners, creating a self-reinforcing growth loop. ## Strategic Focus - **AI-First Transformation**: Thumbtack is rethinking workflows across the company, reducing repetitive tasks, and exploring how AI can improve day-to-day operations for both employees and users. - **Expanding the "Home Care" Ecosystem**: Moving beyond a simple marketplace to become a comprehensive home care platform that provides guidance, AI tools, and a seamless hiring experience. - **Virtual-First Talent Strategy**: Building a distributed workforce across the U.S., Canada, and the Philippines to access top talent while maintaining in-person connection through offsites and events. ## Why Work Here - **Culture**: 94% of employees rate Thumbtack a great place to work. The company emphasizes a "virtual-first, not virtual-only" model, offering flexibility with opportunities for in-person connection. - **Benefits**: $1,000 USD remote work support stipend (paid semi-annually), professional coaching via BetterUp, mental health resources from Modern Health and Therify, 12 weeks paid parental leave for all parents (birthing parents get 8 additional weeks), generous fertility benefits, flexible PTO, and 18 companywide holidays including a week-long end-of-year shutdown. - **Engineering Culture**: Strong focus on data and AI, with engineers working at the intersection of these fields to solve real business problems. The company is "nimble enough to ensure your work is making an impact." - **Remote Policy**: Virtual-first, with the ability to work from anywhere in the United States, Ontario/British Columbia (Canada), or the Philippines. - **Employee Rating**: 4.1/5.0 on LinkedIn (682 reviews), with high marks for Work-Life Balance (4.2) and Culture (4.0). ## Sources 1. [thumbtack.com](https://www.thumbtack.com/about) 2. [careers.thumbtack.com](https://careers.thumbtack.com/) 3. [linkedin.com](https://www.linkedin.com/company/thumbtack-inc.) 4. [jobs.ashbyhq.com](https://jobs.ashbyhq.com/thumbtack) 5. [careers.thumbtack.com/jobs](https://careers.thumbtack.com/jobs) ## Other roles at Thumbtack - [Staff Software Engineer, AI/ML Infrastructure](https://feeny.ai/job/staff-software-engineer-ai-ml-infrastructure-thumbtack-ontario-av5g93d0002s) — Ontario, Canada - [Staff Software Engineer, AI/ML Infrastructure](https://feeny.ai/job/staff-software-engineer-ai-ml-infrastructure-thumbtack-united-states-damtef9nptvg) — United States - [Product Designer, Partnerships and Brand Experience](https://feeny.ai/job/product-designer-partnerships-and-brand-experience-thumbtack-ontario-02x8cgb7wp3g) — Ontario, Canada - [Product Designer, Partnerships and Brand Experience](https://feeny.ai/job/product-designer-partnerships-and-brand-experience-thumbtack-united-states-t6efmtck45sq) — United States - [Customer Service Advocate (Multi-Channel Support)](https://feeny.ai/job/customer-service-advocate-multi-channel-support-thumbtack-philippines-0adkatfvqjx3) — Philippines - [Product Manager, Pro Integrations & Foundations](https://feeny.ai/job/product-manager-pro-integrations-foundations-thumbtack-ontario-ajnpcnwh2v5z) — Ontario, Canada - [Product Manager, Pro Integrations & Foundations](https://feeny.ai/job/product-manager-pro-integrations-foundations-thumbtack-united-states-9ezs3hdp04xk) — United States - [Director, Organizational Development](https://feeny.ai/job/director-organizational-development-thumbtack-united-states-ch83wat8fc5m) — United States - [Senior Brand Manager](https://feeny.ai/job/senior-brand-manager-thumbtack-ontario-rgy58ame8x5f) — Ontario, Canada - [Senior Brand Manager](https://feeny.ai/job/senior-brand-manager-thumbtack-united-states-s2m80sg0bwaw) — United States