Software Engineer, Machine Learning Infrastructure

About the Machine Learning Infrastructure Team

At Thumbtack, we're solving complex technical challenges across search, ranking, recommendations, pricing optimization, and spam detection. Our ML Infrastructure team leads the architectural vision and implementation of enterprise-wide machine learning capabilities, enabling teams to effectively experiment with and deploy ML models 're building next-generation infrastructure that powers Thumbtack's AI-first future.

• Define and drive the technical vision and architecture for Thumbtack's next-generation ML infrastructure
• Lead cross-functional initiatives spanning engineering, data science, and product teams to build scalable, enterprise‑grade ML systems
• Architect and oversee implementation of critical ML infrastructure components including model serving systems and RAG systems that can scale
• Establish technical standards and best practices for ML engineering across the organization
• Mentor and provide technical leadership to engineering teams on ML infrastructure best practices
• Partner with senior leadership to align ML infrastructure capabilities with business objectives

If you don't think you meet all of the criteria below but still are interested in the job, please apply. Nobody checks every box, and we're looking for someone excited to join the team.

• 8+ years of engineering experience with significant focus on distributed systems
• 4+ years of hands‑on experience building ML infrastructure or ML platforms at scale
• Deep expertise in at least one major programming language; proficiency in our core stack (Go, Python) preferred
• Proven track record of technical leadership on complex, cross‑functional projects
• Strong architectural skills with experience designing scalable, reliable distributed systems
• Deep understanding of ML workflows, common frameworks, and operational challenges
• Experience mentoring teams and driving engineering excellence
• Track record of making strategic technical decisions with organization‑wide impact

• Experience building AI platforms that support hundreds of models in production
• Deep expertise with modern ML frameworks (PyTorch, Tensor Flow) and MLOps tools
• Experience implementing generative AI capabilities at enterprise scale
• Track record of building high‑performing technical teams
• Expertise with cloud‑native architectures and major cloud providers (AWS, GCP)
• Experience driving technical strategy at fast‑growing technology companies

• Virtual‑first working model coupled with in‑person events
• 20 company‑wide holidays including a week‑long end‑of‑year company shutdown
• Library (optional use collaboration & connection hub) in San Francisco
• Wi‑Fi reimbursements
• Cell phone reimbursements (North America)
• Employee Assistance Program for mental health and well‑being

For candidates living in San Francisco / Bay Area, San Jose, New York City, or Seattle metros, the expected salary range for the role is currently $249,900 - $323,400.

For candidates living in Austin, TX or Washington DC metros or in California, Massachusetts, New Jersey, or Washington states, the expected salary range for the role is currently $224,900 - $291,100.

For candidates living in all other U.S. locations, the expected salary range for this role is currently $212,400 - $274,900. 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

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