Senior, Data Scientist

2 weeks ago


Mississauga, Ontario, Canada Walmart Full time $120,000 - $180,000 per year
Position Summary...

This role drives a data-driven culture by leveraging data sources to understand customer behavior, improve operational efficiencies, and provide actionable insights for smarter decision-making. The team is creative, diligent, entrepreneurial, and business-focused.

What you'll do...

Job Description

  • This role involves identifying suitable data sources, performing initial quality checks, and supporting the prioritization of requirements. The role includes conducting exploratory data analysis, design experiments, test hypotheses, and finalize experiment dimensions. Selecting appropriate analytical modeling techniques for structured, complex data and developing custom analytical models is a key responsibility.
  • Assessment and validation of models by applying best practices for testing and tuning are essential to ensure accuracy, fit, validity, and robustness. This role tests developed software, translates business requirements into projects and tasks, and aligns activities with the overall business strategy. Acting as a conduit between business needs and tangible solutions, this role connects stakeholders with results.
  • Executing projects from discovery to solution design, model building, and results communication is a fundamental aspect. The role may recommend new processes and ways of working while presenting to and influencing team members and business audiences using appropriate frameworks to convey clear messages based on business and stakeholder understanding
  • As a senior data scientist, this role leads projects and provide guidance to junior data scientists. The role may supervise junior data scientists and review their work to ensure the quality standards are met.

Technical Requirements

  • Minimum 4 years of experience as a data scientist.
  • Experience in time-series analysis, forecasting, regression models, and segmentation is required.
  • Ability to gather insights from data and generate action items is required.
  • In addition to standard ML approaches, experience with LLMs and GenAI is preferred.
  • Exposure to multiple different projects is a must.
  • Proficiency in Python is a must.
  • Proficiency in SQL is a must.
    Familiarity with GCP is a plus.

Leadership Expectations:

Respect the Individual:

Demonstrates and encourages respect for others; drives a positive associate and customer experience for all; embraces differences in people, cultures, ideas, and experiences; supports workplaces where associated feel seen and connected through a culture of belonging, so all associates thrive and perform; contributes to an environment allowing everyone to bring their best selves to work.

Demonstrates engagement and commitment to the team, developing others through feedback, coaching, mentoring, and developmental opportunities; and recognizes others' contributions and accomplishments.

Builds strong and trusting relationships with team members and business partners; works collaboratively to achieve objectives; communicates with impact and listens attentively to a range of audiences; and demonstrates energy and positivity for own work.

Acts with Integrity:

Maintains and promotes the highest standards of integrity, ethics and compliance; models the Walmart values and leads by example to foster our culture; supports Walmart's goal of becoming a regenerative company by making a positive impact for associates, customers, and the world around us (e.g., creating a sense of belonging, eliminating waste, participating in local giving).

Follows the law, our code of conduct and company policies, and encourages others to do the same; supports an environment where associates feel comfortable sharing concerns; reinforces our culture of non-retaliation; listens to concerns raised by associates and takes action; acts with accountability for achieving results in a way that is consistent with our values.

Is consistently humble, self-aware, honest, and transparent.

Serve our Customers:

Delivers results while putting the customer first and applying an omni-merchant mindset and acts with an Every Day Low Cost mindset to drive value and Every Day Low Prices for customers.

Adopts a broad perspective that considers data, analytics, customer insights, and different parts of the business when making plans.

Strive for Excellence:

Consistently raises the bar and seeks to improve; demonstrates curiosity and a growth mindset; seeks feedback, asks thoughtful questions; supports innovation and intelligent risk-taking; and exhibits resilience in the face of setbacks.

Implements and supports continuous improvements and willingly embraces new digital tools and ways of working.

Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Age – 16 or older

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Walmart will accommodate the disability-related needs of applicants and associates as required by law.

Primary Location…

1940 Argentia Rd, Mississauga, ON L5N 1P9, Canada



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