Principal Software Engineer

Walmart Stores SUNNYVALE, CA

About the Job

Position Description


Very Strong engineering skills. Should have an analytical approach
and have good programming skills.
• Provide business insights, while leveraging internal tools and
systems, databases and industry data
• You will be developing applications that meet the realtime,
near
realtime
and batched information needs of the Business.
• You will help in design of new systems or the redesign of existing
systems to meet business requirements, changing needs, or newer
technology
• Excellent written and verbal communication skills for diverse
audiences on engineering subject matter
• Ability to document requirements, data lineage, subject matter in
both business and technical terminology.
• Guide and learn from other team members.
• Demonstrated ability to transform business requirements to code,
specific analytical reports and tools
• This role will involve coding, analytical modeling, root cause
analysis, investigation, debugging, testing and collaboration with the
business partners, product managers other engineering team.
• Be knowledgeable in all aspects of designing and constructing data
warehouses and operational data stores in technologies like
Teradata, Netezza and Hadoop.
• Design of new systems or the redesign of existing systems to meet
business requirements, changing needs, or newer technology
• Ruthlessly prioritize and tweak where needed to ensure business
needs are being met consistently.
• Your passion, communication skills, and ability to work well with
others are skills that will be assessed and are critical to you being
selected for this position.
• Promote and support company policies, procedures, mission,
values, and standards of ethics and integrity
• Provide supervision and development opportunities for associates
• Work with enterprise architects, product owners, data scientists
and engineers and business to bring big data and data science R&D
projects into Production.
• You'll work on bringing all eCommerce datasets in our data lake
environment.
• Overall, you'll have the opportunity to apply/learn new technical
skills in a variety of data related technology stack on our Big Data
platform.
• Ability to learn adopt and apply new technologies.

Minimum Qualifications


BS/MS in Computer Science or equivalent, with 12 or more years
in software engineering, design and architecture
• Demonstrated background in developing software systems and
excellent SQL skills
• Knowledge/experience on Physical Design and
Implementation
• Advanced SQL (preferably Teradata)
• Experience working with large data sets, experience working with
distributed computing (MapReduce, Hadoop, Hive, Pig, Apache
Spark, etc.).
• Strong Hadoop scripting skills to process petabytes of data
• Experience in Unix/Linux shell scripting or similar
programming/scripting knowledge
• Experience in ETL/ processes
• Real time data ingestion (Kafka)
• Hands on experience with Cassandra
• Real time data ingestion with Spark
• Flexible, adaptable, and able to autonomously manage multiple tasks in dynamic, fastpaced,iterative development environment with short turnaround times

Additional Preferred Qualifications


Nice to have skills are experience in data science, machine
learning, Java, Scala, Flume, Python, Cassandra and Automic
scheduler

Company Summary


The Walmart eCommerce team is rapidly innovating to evolve and define the future state of shopping. As the world’s largest retailer, we are on a mission to help people save money and live better.  With the help of some of the brightest minds in technology, merchandising, marketing, supply chain, talent and more, we are reimagining the intersection of digital and physical shopping to help achieve that mission.

Position Summary


Very Strong engineering skills. Should have an analytical approach
and have good programming skills.
• Provide business insights, while leveraging internal tools and
systems, databases and industry data
• You will be developing applications that meet the realtime,
near
realtime
and batched information needs of the Business.
• You will help in design of new systems or the redesign of existing
systems to meet business requirements, changing needs, or newer
technology
• Excellent written and verbal communication skills for diverse
audiences on engineering subject matter
• Ability to document requirements, data lineage, subject matter in
both business and technical terminology.
• Guide and learn from other team members.
• Demonstrated ability to transform business requirements to code,
specific analytical reports and tools
• This role will involve coding, analytical modeling, root cause
analysis, investigation, debugging, testing and collaboration with the
business partners, product managers other engineering team.
• Be knowledgeable in all aspects of designing and constructing data
warehouses and operational data stores in technologies like
Teradata, Netezza and Hadoop.
• Design of new systems or the redesign of existing systems to meet
business requirements, changing needs, or newer technology
• Ruthlessly prioritize and tweak where needed to ensure business
needs are being met consistently.
• Your passion, communication skills, and ability to work well with
others are skills that will be assessed and are critical to you being
selected for this position.
• Promote and support company policies, procedures, mission,
values, and standards of ethics and integrity
• Provide supervision and development opportunities for associates
• Work with enterprise architects, product owners, data scientists
and engineers and business to bring big data and data science R&D
projects into Production.
• You'll work on bringing all eCommerce datasets in our data lake
environment.
• Overall, you'll have the opportunity to apply/learn new technical
skills in a variety of data related technology stack on our Big Data
platform.
• Ability to learn adopt and apply new technologies.