Senior Data Scientist

Why Valtech? We’re the experience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values -driven culture, international careers and the chance to shape the future of experience. The opportunity At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries. We are proud of: The work we do and the innovation we drive Our values of share, care a nd dare A workplace culture that fosters creativity, diversity and autonomy Our borderless, global framework, which enables seamless collaboration For Québec-based positions, the position requires proficiency in English, as the role involves regular communication with clients and colleagues located outside of Québec. The role We are looking for a Senior Data Scientist to join a highly collaborative team focused on building and scaling innovative machine learning and AI-powered products. This role will work at the intersection of Data Science, Machine Learning, and Engineering to drive experimentation, optimize customer experiences, and develop next-generation AI solutions. The ideal candidate combines a strong quantitative foundation with deep expertise in machine learning, experimentation, and modern AI tooling. This individual will be comfortable operating in emerging product areas with limited direction, helping define both the technical approach and long-term business value. Role responsibilities Lead the design, development, and deployment of machine learning solutions that drive business impact. Partner closely with Product, Engineering, and Data teams to identify opportunities and recommend data-driven solutions. Design and analyze experiments, including A/B tests, to evaluate product enhancements and business initiatives. Develop quantitative frameworks to assess new customer experiences and emerging product opportunities. Build predictive and optimization models that improve customer outcomes and business performance. Contribute to initiatives involving customer personalization, recommendation systems, and behavioral modeling. Drive innovation in computer vision, generative AI, and image-generation technologies. Improve and expand AI-powered visual experiences, identifying new use cases across the business. Evaluate, implement, and optimize state-of-the-art machine learning techniques and open-source AI frameworks. Collaborate with engineering teams to productionize models and create scalable AI systems. Operate independently on ambiguous problems while helping define technical strategy and best practices. Must have qualifications To be considered for this role, you must meet the following essential qualifications: Bachelor's, Master's, or PhD in Statistics, Mathematics, Computer Science, Physics, Engineering, or another quantitative discipline. 5+ years of experience in Data Science, Machine Learning, or a related field. Deep expertise in machine learning, including model development, evaluation, and deployment. Strong programming skills in Python and experience building production-grade data science solutions. Experience designing and analyzing experiments, including A/B testing methodologies. Strong statistical modeling and hypothesis-testing skills. Experience partnering with software engineers to deploy and scale machine learning systems. Ability to independently drive projects from problem definition through implementation. Excellent communication skills and ability to translate complex findings into business recommendations. Technical Skills Python Machine Learning Statistical Analysis Experimental Design / A/B Testing Data Modeling Machine Learning Productionization Nice to have qualifications Experience with Generative AI applications and large language model ecosystems. Experience with AI orchestration frameworks such as LangChain, LangGraph, or similar open-source technologies. Experience working with image generation, computer vision, or multimodal AI systems. Experience building AI-powered customer-facing products. SQL proficiency for data exploration and analysis. Experience working in fast-paced environments where experimentation and iteration are critical to success. Familiarity with recommendation systems, personalization, or customer lifecycle optimization. Technical Skills SQL Generative AI LangChain LangGraph Computer Vision Image Generation Models LLM Orchestration Frameworks Open-Source AI Technologies If you do not meet all the listed qualifications or have gaps in your experience, we still encourage you to apply. At Valtech, we recognize that talent comes in many forms, and we value diverse perspectives and a willingness to learn. Commitment to reaching all kinds of people We design experiences that work for all kinds of people - and that starts with our own teams. At Valtech, we’re intentional about building an inclusive culture where everyone feels supported to grow, thrive and achieve their goals. No matter your background, you belong here. Explore our Diversity & Inclusion site to see how we’re creating a more equitable Valtech for all. The benefits This is a full time position based in Canada. The offered salary range is $90,000-140,000 CAD annually, depending on experience and location. Valtech offers a comprehensive benefits package effective after three months of continuous service: A comprehensive insurance plan , where you can choose the module that best suits your needs—Gold, Silver, or Bronze. The employer may contribute up to 80% of your coverage depending on the selected module. This plan includes short- and long-term disability coverage . Dialogue via Sun Life provides virtual healthcare services, allowing you to consult with a healthcare professional for emergencies, prescription renewals, and more. You also have access to the Employee and Family Assistance Program , as well as a complete mental health support program . A $500 Personal Spending Account , which can be used for healthcare reimbursements, gym memberships, public transit passes, office supplies, or contributions to your RRSP through Valtech. A retirement plan where Valtech will match 100% of your RRSP contributions through a Deferred Profit Sharing Plan (DPSP), up to a maximum of 4%. You can start contributing to your RRSP immediately, and to the DPSP after 3 months. The vesting of the DPSP will be after a 24 months of service. Access to a flexible vacation under Valtech's policy to support your work-life balance, with 5 days available during your probation period and a prorated amount calculated for the remainder of the year. Personal Technology Reimbursement – $30/month for every employee-offered on day 1. We close during the winter holidays and offer flexible scheduling throughout the year, so you can enjoy those sunny Friday afternoons—provided your weekly hours are completed. Your application process Once you apply, our Talent Acquisition team will review your application. If your skills and experience align with the role, we’ll reach out for next steps. Your CV should cover key information on relevant experiences and expertise. We do not require information such as age, gender, marital status, or a headshot in your application. We review all candidates based on skills, experience, and potential. ⚠️ Beware of recruitment fraud: Only engage with official Valtech email addresses. We are committed to inclusion and accessibility. If you need reasonable accommodations during the interview process, please either indicate it in your application or let your Talent Partner know. About Valtech Valtech is the experience innovation company that exists to unlock a better way to experience the world. By blending crafts, categories, and cultures, we help brands unlock new value in an increasingly digital world. At the intersection of data, AI, creativity, and technology, we drive transformation for leading organizations, including L’Oréal, Mars, Audi, P&G, Volkswagen Dolby, and more. At Valtech, we don’t just talk about transformation. We make it happen. Our people are the heart of our success, and we foster a workplace where everyone has the support to thrive, grow and innovate. Are you ready to create what’s next? Join us.