Visa Inc

Senior Data Scientist

Visa Inc • $110K — $130K *
Toronto, ON M3C 0E3In-Person
Finance & Insurance
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 5+ years of relevant experience with a Bachelor's Degree, or 2+ years with an Advanced Degree, or 0 years with a PhD.
  • Proven experience in building and deploying scalable machine learning models.
  • Hands-on experience with LLMs or generative AI, particularly in agentic systems.
  • Proficient in building data pipelines using tools like Spark, Airflow, SQL, or Python.
  • Experience managing data science or ML projects from inception to delivery.
  • Strong communication skills to convey technical concepts to non-technical stakeholders.

Responsibilities

  • Design AI agent systems to automate analytical workflows and generate proactive recommendations.
  • Combine LLMs, traditional ML models, and rule-based logic into cohesive agent workflows.
  • Transition prototypes from proof-of-concept to production-grade systems with thorough documentation and testing.
  • Develop and maintain forecasting models that support business decisions and agent systems.
  • Oversee recurring data processes to ensure timely execution and high data quality.
  • Contribute to modernizing the data infrastructure, including cloud migration and pipeline expansion.
  • Collaborate with cross-functional teams to translate model outputs into actionable insights for senior stakeholders.

Benefits

  • Flexible work arrangements with a minimum of 3 days in the office.
  • Opportunities for professional development and continuous learning.
  • Access to cutting-edge technology and tools in AI and data science.
  • Collaborative work environment with cross-functional teams across regions.
Full Job Description
Job Description

The Sr. Data Scientist is responsible for designing and deploying AI-powered tools and agent systems that combine LLMs and custom ML models into end-to-end solutions that support business decision-making. Beyond model development, the role involves managing recurring data processes, building predictive and forecasting models, and contributing to data infrastructure modernization.

The position requires collaborating with cross-functional teams, translating model outputs into actionable recommendations, and communicating complex concepts to diverse audiences.

Key Responsibilities:

  • Agentic Development: Design AI agent systems that automate analytical workflows, including data retrieval, impact analysis, and proactive recommendation generation.
  • Multi-Model Architecture: Decide how to combine LLMs, traditional ML models, and rule-based logic into reliable, end-to-end agent workflows, and build the orchestration layer that ties them together.
  • Prototyping to Production: Take agent prototypes from proof-of-concept through iteration to production-grade systems with proper documentation, testing, CI/CD, and deployment ownership.
  • Predictive Modeling & Forecasting: Build and maintain forecasting models and other predictive tools that feed into agent systems or support business decisions directly.
  • Data ETL: Monitor and maintain recurring data processes, ensuring pipelines run on time and data quality stays high.
  • Data Infrastructure: Contribute to modernizing the data stack by migrating pipelines, expanding data coverage, and supporting cloud migration efforts.
  • Collaboration & Communication: Work with teammates across regions, product, and engineering, translating model and agent outputs into clear recommendations for senior business stakeholders.


Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

Basic Qualifications:
  • 5 or more years of relevant work experience with a Bachelor's Degree or at least 2 years of work experience with an Advanced degree (e.g., Masters, MBA, JD, MD) or 0 years of work experience with a PhD.
  • Experience building and deploying machine learning models to production, focusing on modular, scalable, and maintainable models.
  • Hands-on experience with LLMs or generative AI, with demonstrated interest or experience in building agentic or multi-model systems.
  • Comfortable building data pipelines and working with large-scale data using tools like Spark, Airflow, SQL, or Python.
  • Experience managing data science or ML projects from scoping through delivery.
  • Able to communicate technical work clearly to non-technical audiences.


Preferred Qualifications:
  • 6 or more years of work experience with a Bachelor's Degree or 4 or more years of relevant experience with an Advanced Degree (e.g., Masters, MBA, JD, MD) or up to 3 years of relevant experience with a PhD.
  • Experience building AI agents or multi-model orchestration systems using SDKs/frameworks such as LangChain, Claude Agent SDK, OpenAI Agents SDK, or similar.
  • Experience with predictive modeling and time-series forecasting.
  • Experience with productionalizing agentic applications.
  • Hands-on experience with cloud platforms (AWS, GCP, or Azure).
  • Exposure to financial services or the payments industry is a plus.
  • Experience working across geographies and time zones in a global organization.


About Visa Inc

Visa Bureau is an independent immigration information service providing information to individuals, families and businesses wishing to live and work or relocate staff to America, Australia, Canada, New Zealand and the UK. Based in California, Visa Bureau ensures readers are given the most up to date information concerning immigration and visa policy. VisaBureau.Co is the most popular Global Migration resources families and individuals dreaming of Immigrating to a New Country. Visa Bureau contains information on making a successful move to including Eligibility, Visas, Jobs, Timeframe & Cost.

Visa Inc Careers

Join the global team at Visa Inc, a leader in digital payments, and propel your career forward with a company known for innovation, leadership, and a commitment to diversity and growth. At Visa, we are not just a payments company; we are an engine for progress, powering inclusive and sustainable commerce worldwide.

Work You'll Do

At Visa Inc, you'll be part of a dynamic team that's dedicated to making a difference. Whether you're looking for job opportunities in technology, marketing, finance, or customer service, Visa offers a range of positions that allow you to contribute to our mission of connecting the world through the most innovative, reliable, and secure payment network.

Innovate and Lead

Join a culture of innovation where your ideas can change the way the world pays and moves money. With Visa, you'll work alongside industry experts to develop solutions that enhance customer experiences and drive economic growth. Our leadership is committed to providing you with the tools and training needed to excel.

Grow Your Career

Visa Inc is committed to the professional growth of every team member. With comprehensive benefits, competitive employment packages, and opportunities for advancement, Visa empowers you to shape your career path. From internships to leadership roles, the potential for growth is limitless.

Diversity and Inclusion

At Visa, we believe our strength lies in our diversity. We are dedicated to fostering an inclusive environment where everyone is respected, and every voice is heard. Through diversity training and a commitment to equitable hiring practices, we ensure that all team members have the opportunity to succeed.

Networking and Professional Development

Enhance your skills and expand your professional network through Visa’s global community. Participate in networking events, workshops, and seminars that are designed to bolster your industry knowledge and connect you with professionals across the globe.

Benefits and Culture

Visa Inc values the well-being of its employees. Enjoy a robust package of health, financial, and lifestyle benefits that support you and your family. Our culture promotes work-life balance, encourages curiosity, and supports the continuous pursuit of knowledge and excellence.

Join Our Team

Explore the exciting job opportunities at Visa Inc and discover how your skills and passions align with our mission. Prepare your resume, sharpen your interview skills, and get ready to embark on a rewarding career journey.

Stay Connected

Keep up to date with the latest at Visa Inc: - **Search Visa Jobs**: Find open positions that match your skills and interests. We look for passionate, curious, creative, and solution-driven team players. - **Read Careers Blog**: Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. - **Job Alert Emails**: Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. See what exciting and rewarding opportunities await. At Visa Inc, your career is a journey of endless possibilities. Join us and be part of a team that is transforming the future of payments.
Learn more about Visa Inc
Size
21,500 employees
Market Cap
$387 billion
Industry
Finance & Insurance
Net Income
$10.7 billion
Founded
1958
5 Year Trend
+9.8%
Revenue
$21.4 billion
NASDAQ
V
* Ladders Estimates

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