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Job Title


Principal Applied AI Scientist


Company : Gusto


Location : Toronto, Ontario


Created : 2025-05-19


Job Type : Full Time


Job Description

Join to apply for the Principal Applied AI Scientist role at Gusto1 week ago Be among the first 25 applicantsJoin to apply for the Principal Applied AI Scientist role at GustoGet AI-powered advice on this job and more exclusive features.About GustoGusto is a modern, online people platform that helps small businesses take care of their teams. On top of full-service payroll, Gusto offers health insurance, 401(k)s, expert HR, and team management tools. Today, Gusto offices in Denver, San Francisco, and New York serve more than 400,000 businesses nationwide.About GustoGusto is a modern, online people platform that helps small businesses take care of their teams. On top of full-service payroll, Gusto offers health insurance, 401(k)s, expert HR, and team management tools. Today, Gusto offices in Denver, San Francisco, and New York serve more than 400,000 businesses nationwide.Our mission is to create a world where work empowers a better life, and it starts right here at Gusto. Thats why were committed to building a collaborative and inclusive workplace, both physically and virtually. Learn more about our Total Rewards philosophy.Gusto is looking for a Principal Applied AI Scientist to join our AI team and build out our Generative AI capabilities.About The RoleWere looking to accelerate AI investments across the business to solve customer pain points, and are growing our Applied AI team. Youll be a part of the core group of experts exploring big, innovative bets, quickly prototyping solutions and shipping to customers. You're also responsible for quickly iterating on improvements and eventually scaling to production-grade AI applications. Youll be working alongside a multidisciplinary group of Product Engineers, PMs, and Design.In this role, youll be responsible for designing, building, evaluating, and shipping products that use proprietary and open source LLMs. Youll be responsible for all aspects of the AI development lifecycle: framing the problem, designing the system, making decisions on frameworks, building, evaluation, and deploying. As an Applied AI Scientist, youll own the customer impact end-to-end.Heres What Youll Do Day-to-dayDesign, develop and deploy innovative AI solutionsExperiment with multi-agent frameworks to build autonomous systemsImprove LLMs through pre-training, fine-turning, and RLHFBuild evaluation for LLMs and LLM based products, and assess best methods required to build LLMs suited for purposeCollaborate with the engineering team to determine technical requirements and SLAs for API-enabled servicesResearch novel AI techniques and strategies that create magical customer experiencesHeres What We're Looking For8+ years experience designing, evaluating, and productionizing AI applications.Experience with Agentic AI frameworks (LangGraph and Llama-Index) and experience building, deploying and maintaining LLM-based applications in production are essentialDemonstrated expertise in writing production-level Python codeProven ability to design and prototype AI solutions quicklyExperience working on multi-agent AI systems to automate end to end workflowsOur cash compensation amount for this role is targeted at $191,000-$237,000/year in Denver, Chicago, and Atlanta, $208,000-$258,000/year in Los Angeles and Seattle, and $225,000-$279,000/year for San Francisco and New York. Final offer amounts are determined by multiple factors including candidate experience and expertise and may vary from the amounts listed above.Gusto has physical office spaces in Denver, San Francisco, and New York City. Employees who are based in those locations will be expected to work from the office on designated days approximately 2-3 days per week (or more depending on role). The same office expectations apply to all Symmetry roles, Gusto's subsidiary, whose physical office is in Scottsdale.Note: The San Francisco office expectations encompass both the San Francisco and San Jose metro areas.When approved to work from a location other than a Gusto office, a secure, reliable, and consistent internet connection is required.Our customers come from all walks of life and so do we. We hire great people from a wide variety of backgrounds, not just because it's the right thing to do, but because it makes our company stronger. If you share our values and our enthusiasm for small businesses, you will find a home at Gusto.Gusto is proud to be an equal opportunity employer. We do not discriminate in hiring or any employment decision based on race, color, religion, national origin, age, sex (including pregnancy, childbirth, or related medical conditions), marital status, ancestry, physical or mental disability, genetic information, veteran status, gender identity or expression, sexual orientation, or other applicable legally protected characteristic. Gusto considers qualified applicants with criminal histories, consistent with applicable federal, state and local law. Gusto is also committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. We want to see our candidates perform to the best of their ability. If you require a medical or religious accommodation at any time throughout your candidate journey, please fill out this form and a member of our team will get in touch with you.Gusto takes security and protection of your personal information very seriously. Please review our Fraudulent Activity Disclaimer.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyIndustriesSoftware DevelopmentReferrals increase your chances of interviewing at Gusto by 2xGet notified about new Artificial Intelligence Researcher jobs in Toronto, Ontario, Canada.Entry Level Machine Learning Engineer (Remote - Canada)Machine Learning, Software Engineer (Remote)Toronto, Ontario, Canada CA$130,000.00-CA$150,000.00 2 weeks agoSenior Machine Learning Operations DeveloperRichmond Hill, Ontario, Canada 1 week agoSenior Machine Learning Engineer, Generative AI (Customer Identity)Python and Kubernetes Software Engineer - Data, AI/ML & AnalyticsStaff Machine Learning Engineer - Content and Contributor Intelligence (Remote - Canada)Python and Kubernetes Software Engineer - Data, AI/ML & AnalyticsPython and Kubernetes Software Engineer - Data, Workflows, AI/ML & AnalyticsPython and Kubernetes Software Engineer - Data, Workflows, AI/ML & AnalyticsStaff Machine Learning Engineer - Content and Contributor Intelligence (Remote - Canada)Sr. Machine Learning Engineer, Onsite Content SignalsTech Lead Platform Engineer - AI & ML OpsWere unlocking community knowledge in a new way. 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