The Role We’re looking for a Senior Data Scientist to join our Machine Learning Platform team, reporting to the Director – Software Development. In this role, you’ll help shape how we harness Nasdaq Verafin’s cloud‑scale data to design and deliver analytics that power our financial‑crime‑fighting network, advancing solutions that detect and prevent fraud and money laundering for institutions worldwide! You’ll fit right in if you’re data‑driven, curious, and collaborative, love working across teams and time zones, and get energy from tackling non‑routine analytical challenges that turn insights into meaningful product and business outcomes on a global scale! What You’ll Do Analyze real and experimental data to derive quantitative insights Contribute to data science initiatives through the identification of problems, design of solutions, and development of prototypes used to validate outcomes Devise solutions for a variety of non-routine analysis problems Work with talented, knowledge-driven individuals and share your ideas across the team Assist with data-driven decisions based on project outcomes Engage in continuous learning and knowledge exchange: ask questions, share expertise, and support team development. What You’ll Bring Master's degree in Computer Science, Mathematics, Statistics, or a related quantitative field 2+ years of industry experience in Data Science, Machine Learning, or a similar discipline Proficiency in SQL, Python (including major data science libraries), and familiarity with Java, all in production environments Hands-on experience with designing, developing, deploying and maintaining distributed computing solutions using PySpark or Ray for data analysis and model training Hands-on experience with Terraform and machine learning operations technologies on AWS ecosystem such as SageMaker, S3, Lambda, and EMR jobs Strong analytical and problem-solving skills, with creativity to tackle complex challenges Fluency in communicating technical concepts clearly to diverse audiences and collaborate across teams Experience creating impactful data visualizations and applying statistical/mathematical techniques Nice to Have Experience in the banking or financial domain Experience developing in Scala Strong understanding of statistical hypothesis testing to apply them in data sampling, bias analysis, A/B testing Research experience demonstrated through publications in academic journals or conferences This position will be located in St. John's or Toronto, and offers the opportunity for a hybrid work environment at least 3 days a week in-office, subject to change, providing flexibility and accessibility for qualified candidates. This posting will close on December 12th at 11:59 PM NST Kindly note that interviews and onboarding for this role are scheduled to begin in 2026. Benefits & Rewards We offer a competitive, well-rounded rewards package that supports you and your family — inside and outside of work. Learn more on our Nasdaq Benefits & Rewards Career Page. Come as You Are Nasdaq is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, color, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request an accommodation. At Nasdaq, we’re proud to be the engine behind the world’s capital markets. But we don’t stop there. We build the technology that drives transparency, trust, and access—helping economies grow and people thrive. Our purpose is to advance economic progress for all. Whether you’re a client, a colleague, or part of our broader community, we’re here to move markets—and possibilities—forward. Join our Talent Community to stay in the loop on upcoming roles, events, and new opportunities across Nasdaq. Our hybrid work model, NasdaqBlend, gives you flexibility to do your best work—whether that’s from home, in the office, or a mix of both. Check the job listing or reach out to our team for role-specific details. We’re a global team of over 8,500 innovators across 38 countries, united by a shared purpose: advancing economic progress for all. It’s not just what we do—it’s how we do it, together. Want a deeper look into our culture? Explore our Culture Book. We support your success through You&Q, our total rewards program that covers every dimension of life—from building wealth and growing your career to prioritizing well-being and family care. Join the Team Advancing Economic Progress for All.
