Data Scientist jobs in Toronto, ON

A leading tech company in Toronto is seeking a Principal Data Scientist to lead the design and development of scalable ML systems. This role requires 10+ years of experience in data science, deep knowledge in machine learning, and mentoring capabilities. The ideal candidate will guide initiatives that impact guest personalization and demand forecasting while collaborating effectively with...

A leading small business solutions provider in Toronto is seeking a Principal Data Scientist to shape the analytical strategy for major products. This role requires extensive experience in Data Science, strong statistical and coding skills, and the ability to mentor junior team members. Candidates should have a passion for leveraging data to support small businesses. Competitive salary range is...

A leading AI firm is seeking a Data Scientist (Masters) - AI Data Trainer to work remotely. The role involves developing complex data science challenges, authoring ground-truth solutions in Python or SQL, and evaluating AI-generated code for technical accuracy. Candidates must have a Masters or PhD in a quantitative field and strong foundational knowledge in machine learning. Flexibility in hours...

A leading financial services provider in Toronto is seeking a Data Scientist to build analytical models and develop scalable solutions. The role involves collaborating with engineers and business experts to generate insights and improve processes. Ideal candidates will hold a Master's degree in a quantitative field and have strong skills in SQL and Python. This position offers hybrid working...

Overview Staff Data Scientist, Global Security — RBC Dominion Securities Posted October 29, 2025 Job details What is the opportunity? We have an exciting opportunity in Global Cyber Security. As a Staff Data Scientist in our team, you will lead the development and deployment of advanced machine learning models to proactively identify and mitigate evolving digital and cyber threats. You will...

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A leading communications company in Toronto is seeking a Senior Data Scientist to lead the design and implementation of advanced analytics solutions. The successful candidate will possess 7+ years of experience and a Master's or Ph.D. in a quantitative field. This role offers competitive salary, comprehensive benefits including health and wellness programs, and opportunities for professional...

A leading Fintech company in Toronto is looking for an Applied Data Scientist to enhance its cloud platform with AI-powered solutions. The ideal candidate will work closely with product teams, applying machine learning to real customer needs. You should have a degree in a relevant field, at least 3 years of experience in applied data science, and strong skills in Python and SQL. This full-time...

Job Details - Company: TD Bank - Title: Applied Machine Learning Scientist II - Location: Toronto, Ontario, Canada - Hours: 37.5 per week - Pay: $114,000 - $154,000 CAD - Posted: Oct 24, 2025 Job Description - Develop and implement customer engagement strategy, optimizing engagement across the product and service portfolio. - Develop complex and advanced machine learning models that learn from...

A federal government agency in Toronto is looking for a data scientist to bridge business and technical solutions. The role involves leading teams, conducting impactful studies, and fostering innovation in a hybrid environment. Candidates should possess a strong background in project management and machine learning, alongside relevant educational qualifications. This permanent full-time position...

We are looking for a Senior Data Scientist to join our team in a role that blends deep data engineering expertise with hands-on support for data science and AI initiatives. While the title reflects a senior data science position, you will be uniquely positioned at the intersection of data engineering and data science/AI, with emphasis on building scalable data pipelines, optimizing data...

A leading financial services firm in Toronto is seeking a Senior Data Scientist to leverage data and analytics to support business growth. In this role, you'll translate business goals into analytical problems, work in cross-functional teams to develop machine learning products, and implement innovative solutions using advanced data science techniques. The ideal candidate has strong experience in...

A leading meal kit delivery service in Toronto is looking for a Staff Data Scientist to enhance AI-driven media optimization systems. The successful candidate will provide technical leadership, architect complex multi-agent systems, and drive the maturation of AI prototypes into production-grade solutions. Required qualifications include a PhD/MSc, experience in AI architectures, and strong...

A leading financial technology firm in Toronto is seeking a Data Scientist to analyze complex data and solve fraud-related challenges. You will work collaboratively with product owners and developers to deploy effective solutions while also improving current analytics. The successful candidate should have substantial experience in data analytics, machine learning, and problem-solving. We offer a...

Join to apply for the Data Scientist role at tofu. Get AI-powered advice on this job and more exclusive features. This range is provided by tofu. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $150,000.00/yr - $200,000.00/yr About Tofu How do you distinguish between real and fake in an AI world? This question has crippled...

An established industry player is seeking a passionate Data Scientist to lead innovative solutions in fraud detection and prevention. This role offers the chance to work with cutting-edge technologies and collaborate with a dynamic team to create impactful analytical solutions. You will leverage your expertise in machine learning and data science to develop models that enhance security in the...

Data Scientist (Masters) - AI Data Trainer Get AI-powered advice on this job and more exclusive features. This range is provided by Alignerr. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $40.00/hr - $80.00/hr Location: Remote About The Job At Alignerr, we partner with the world’s leading AI research teams and labs to...

A leading financial services firm in Toronto is seeking a Senior Data Scientist to apply advanced data science and AI techniques, particularly in generative AI. The ideal candidate will have over 3 years of experience in data science with expertise in SQL and statistical programming. Join this innovative team to contribute to impactful solutions and drive business value through data-driven...

Join to apply for the Principal Data Scientist – Product role at Gusto About Gusto At Gusto, we're on a mission to grow the small business economy. We handle the hard stuff—like payroll, health insurance, 401(k)s, and HR—so owners can focus on their craft and customers. With teams in Denver, San Francisco, and New York, we’re proud to support more than 400,000 small businesses across the...

Synopsis of the role : Do you have a passion for being at the forefront of Data Science innovation and building cutting edge, scalable analytical solutions? Are you a tech savvy individual looking for an exciting, dynamic role to grow your career fast with one of the largest global data analytics and technology companies? Do you want to create new products and push business forward enabling...