Data Scientist

Key Skills

Java Programming, Design of Experiment, Google-Analytics, Python Programming, SQL, Big Data Technology

Job Description

Proficient in working with large complex data sets. Ability to break down complex business problems to solvable analytical problems. Conduct analysis that include data gathering and requirements specification, processing, analysis, ongoing timely deliverables and presentations.

Develop and prototype analysis pipelines iteratively to provide insights at scale and advocate for changes in business processes where needed.

Research and develop analysis, forecasting and optimization methods to improve the quality of Walmart forecast engine.

Applied Business Acumen:

• Supports the development of business cases and recommendations.
• Owns delivery of project activity and tasks assigned by others.
• Supports process updates and changes.
• Solves business issues.

Data Source Identification:

• Understand the appropriate data set required to develop simple models by developing initial drafts.
• Supports the identification of the most suitable source for data.
• Maintains awareness of data quality.

Data Strategy:

• Understands, articulates, and applies principles of the defined strategy to routine business problems that involve a single function.

Analytical Modeling:

• Selects the analytical modeling technique most suitable for the structured, complex data and develops custom analytical models.
• Conducts exploratory data analysis activities (for example, basic statistical analysis, hypothesis testing, statistical inferences) on available data.
• Defines and finalizes features based on model responses and introduces new or revised features to enhance the analysis and outcomes.
• Identifies the dimensions of the experiment, finalizes the design, tests hypotheses, and conducts the experiment.
• Perform trend and cluster analysis on data to answer practical business problems and provide recommendations and key insights to the business.
• Mentors and guides junior associates on basic modeling and analytics techniques to solve complex problems.

Model Deployment & Scaling:

• Supports efforts to ensure that analytical models and techniques used can be deployed into production.
• Supports evaluation of the analytical model.
• Supports the scalability and sustainability of analytical models.

Code Development & Testing:

• Writes code to develop the required solution and application features by using the recommended programming language and leveraging business, technical, and data requirements.
• Test the code using the recommended testing approach.
• Problem Formulation:
• Translates business problems within one's discipline to data related or mathematical solutions.
• Identifies what methods (for example, analytics, big data analytics, automation) would provide a solution for the problem.
• Shares use cases and gives examples to demonstrate how the method would solve the business problem.

Model Assessment & Validation:

• Supports model fit testing and statistical inferences to evaluate performance. Assesses the impact of variables and features on model performance.

Data Visualization:

• Generates appropriate graphical representations of data and model outcomes under guidance.
• Supports the understanding of customer requirements and designs data representations for simple data sets.
• Presents to and influences the team using the appropriate frameworks and conveys messages through basic business understanding.
• Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales.
• Provides and supports the implementation of business solutions by building relationships and partnerships with key stakeholders; identifying business needs; determining and carrying out necessary processes and practices; monitoring progress and results; recognizing and capitalizing on improvement opportunities; and adapting to competing demands, organizational changes, and new responsibilities.
• Models compliance with company policies and procedures and supports company mission, values, and standards of ethics and integrity by incorporating these into the development and implementation of business plans; using the Open Door Policy; and demonstrating and assisting others with how to apply these in executing business processes and practices.

Live our Values

Culture Champion

• Models the Walmart values to foster our culture; holds oneself and others accountable; and supports Walmart’s commitment to communities, social justice, corporate social responsibility, and sustainability; maintains and promotes the highest standards of integrity, ethics and compliance.

Servant Leadership

• Acts as an altruistic servant leader and is consistently humble, self-aware, honest, and transparent.

Embrace Change

Curiosity & Courage

• Demonstrates curiosity and a growth mindset; fosters an environment that supports learning, innovation, and intelligent risk-taking; and exhibits resilience in the face of setbacks.
• Digital Transformation & Change
• Seeks and implements continuous improvements and encourages the team to leverage new digital tools and ways of working.
• Deliver for the Customer
• Customer Focus
• Delivers expected business results while putting the customer first and consistently applying an omni-merchant mindset and the EDLP and EDLC business models to all plans.

Strategic Thinking

• Adopts a holistic perspective that considers data, analytics, customer insights, and different parts of the business when making plans and shaping the team’s strategy.

Focus on our Associates

Diversity, Equity & Inclusion

• Identifies, attracts, and retains diverse and inclusive team members; builds a high-performing team; embraces diversity in all its forms; and actively supports diversity goal programs.
• Collaboration & Influence
• Builds strong and trusting relationships with team members and business partners; works collaboratively and cross-functionally to achieve objectives; and communicates with energy and positivity to motivate, influence, and inspire commitment and action.
• Talent Management
• Creates a discipline and focus around developing talent, promotes an environment allowing everyone to bring their best selves to work, empowers associates and partners to act in the best interest of the customer and company, and regularly recognizes others’ contributions and accomplishments.