Software Engineer III (BigData)
Walmart Global Tech · Posted Oct 12
Software development, cloud infrastructure, and retail technology services for Walmart
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About the role
The Big Data team at Walmart builds and manages large-scale data processing and analytics platforms that power the company's data-driven initiatives, providing a unified ecosystem for data products, ML/Ops, and AI/Ops across multiple cloud platforms. The team uses distributed computing frameworks and query engines to deliver real-time and batch analytics on GCP-based data warehousing and large-scale processing technologies. This role involves coding, unit testing, and building high-performance scalable applications and platform tooling such as automation, self-service tooling, and platform services, with attention to reliability, cost efficiency, and query performance at scale.
What you will do
- You are responsible for coding, unit testing, and building high performance, scalable applications and platform tooling that meet the data and analytics needs of teams across Walmart, in the areas of cloud data warehousing and large-scale data processing.
- Through this role you have an opportunity to develop intuitive software — automation, self-service tooling, and platform services — that meets and exceeds the needs of internal customers and the company. You also get to collaborate with team members to develop best practices and requirements for the software.
- In this role it would be important for you to professionally maintain all code and create updates regularly to address customer and company concerns, particularly around platform reliability, cost efficiency, and query performance at scale.
- You will show your skills in analysing and testing programs/products before formal launch to ensure flawless performance across demanding data workloads.
- Troubleshooting coding and data pipeline problems quickly and efficiently will offer you a chance to grow your skills in a high-pace, high-impact environment.
- Software and data security is of prime importance and by developing programs that monitor and enforce access controls, data governance, and sharing of sensitive information, you will be able to add tremendous credibility to your work.
- You will also be required to seek ways to improve the platform, its automation, and its overall effectiveness. Adhere to Company policies, procedures, mission, values, and standards of ethics and integrity.
Skills used in this role
What the employer is looking for
- B.E./B.Tech/MS/MCA in Computer Science or related technical field
- 5+ years of object-oriented programming experience in Java or Python
- Excellent computer systems fundamentals, DS/Algorithms, and problem-solving skills
- Hands-on experience building web-based services/applications and working with RESTful Web-Services, Spring/Spring Boot, and messaging systems like Kafka or Pub/Sub
- Working knowledge of Google Cloud data platform frameworks such as BigQuery, BigLake, Dataproc (Spark/Hive on GCP), and Cloud Composer (managed Airflow)
- Strong SQL skills, including experience with BigQuery's SQL dialect, partitioning/clustering strategies, and query performance tuning
- Experience in systems design and distributed systems, including scalability and fault tolerance considerations for large-scale data platforms
- Excellent organization, communication, and interpersonal skills
- Exposure to SQL/NoSQL data stores like Cassandra, Elasticsearch, MongoDB, etc.
- Exposure to cloud infrastructure, primarily GCP, with working knowledge of Azure or AWS a plus
- Exposure to build, CI/CD & deployment pipelines and related technologies like Kubernetes, Docker, Jenkins, Terraform, etc.
- A continuous drive to explore, improve, enhance, automate, and optimize systems and tools
- Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 2 years' experience in software engineering or related area.
- Option 2: 4 years' experience in software engineering or related area.
Benefits and support
- Incentive awards for your performance
- Maternity and parental leave
- PTO
- Health benefits
About Walmart Global Tech
Walmart Global Tech is the technological powerhouse and engineering arm of Walmart Inc., responsible for building and managing foundational technologies, cloud infrastructure, and software systems. The organization powers global retail operations across Walmart U.S., Sam's Club, and Walmart International, delivering customer experiences and enterprise services worldwide. Operating across multiple global hubs, it unites engineering, data science, product design, and artificial intelligence to digitally transform retail.
- Industry
- Information Technology
- Company size
- 25000+ employees
- Founded
- 2011
- Location
- Bentonville, Arkansas, USA
- Funding stage
- Public Company
Leadership
Executive Vice President, Global Chief Technology Officer and Chief Development Officer
Executive Vice President, AI Acceleration, Product and Design
Senior Vice President and Tech Operating Partner, Walmart International