(USA) Senior, Data Scientist

3 weeks ago

Bella Vista, United States Walmart Full time
Position Summary...

What you'll do...

The Edge Ingress Security team is responsible for defending our eCommerce and corporate web properties from web-based attacks, DDoS attacks, unwanted scripted traffic, and fraudulent behavior.

We are seeking a Senior Data Scientist to build end to end data infrastructure, pipeline, and machine learning models to detect and mitigate anomalous and fraudulent risks to Walmart web properties.

About Team:
At Walmart, we prioritize innovation and data security. Our team is dedicated to maintaining a secure operating environment and preserving the trust of our customers, associates, and stakeholders. We combine a range of services and expertise to prevent fraud, detect threats, and manage digital risk and access. Our focus is on mitigating attack risks, securing cloud transformation, and fostering a culture of security and reliability within our team

What you'll do:

Your main responsibilities include but are not limited to:
  • Create and maintain optimal data pipeline architecture
  • Assemble large, complex data sets
  • Analyze large volumes of data to identify patterns, trends, and anomalies indicative of fraudulent behavior. Derive data-driven insights to improve anomaly detection strategies.
  • Build infrastructure required for optimal extraction, transformation, and loading of data from a wide variety of data sources using SQL and 'big data' technologies
  • Assess the effectiveness and accuracy of new data sources and data gathering techniques
  • Design, develop and deploy custom data models and algorithms to surface anomalous behaviors
  • Develop processes and tools to monitor and analyze model performance and data accuracy
What you'll bring:
  • Have a passion for data with exceptional analytical and critical thinking skills
  • Well versed with Spark, Hadoop, Cloud, Python/Scala and Java, Streaming, Kafka.
  • Proven track record of at least one programming language and one Database language
  • Proficient in one of cloud computing platforms (e.g., GCP, Azure)
  • Experienced in data modeling & data migration protocols
  • Experience with data warehousing (e.g. Databricks)
  • Experience with machine learning algorithms and statistical techniques, with a focus on their use for anomaly detection
  • A strong sense of accountability and self-motivation
  • Ability to collaborate cross-functionally
  • Excellent communications skills both written and verbal.
  • Web application and cyber security domain knowledge is a plus.
  • Bachelor's degree in computer science or a related field plus 3 years' experience in data science, data engineering, software engineering, or related domain.


About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.

Flexible, hybrid work:
We use a hybrid way of working that is primarily in office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.

Benefits:
Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

Equal Opportunity Employer:
Walmart, Inc. is an Equal Opportunity Employer - By Choice. We believe we are best equipped to help our associates, customers and the communities we serve live better when we really know them. That means understanding, respecting and valuing diversity- unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.

The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.

Minimum Qualifications...

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

Option 1- Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field. Option 2- Master's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field. Option 3 - 5 years' experience in an analytics or related field.

Preferred Qualifications...

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

Data science, machine learning, optimization models, Master's degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics, Successful completion of one or more assessments in Python, Spark, Scala, or R, Using open source frameworks (for example, scikit learn, tensorflow, torch), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart's accessibility standards and guidelines for supporting an inclusive culture.

Primary Location...
PHYLLIS ST. N OF HWY 102, WEST SIDE OF STREET, BENTONVILLE, AR 72712, United States of America

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