Software Engineer III (BigData)

Walmart; Bengaluru; On-site; INR 2,600,000 - 5,000,000; Full time

Job summary

Walmart Bangalore's Big Data team builds scalable data processing and analytics platforms powering data-driven initiatives across cloud platforms. The role focuses on cloud data warehousing, large-scale processing, and platform tooling.

You will collaborate with cross-functional teams to deliver reliable, cost-efficient data solutions and drive performance across real-time and batch workloads. This is a Bangalore-based office role with supportive, innovative culture.

Qualifications

• Bachelor's degree in computer science, computer engineering, or related field.
• 5.5+ years of object-oriented programming in Java or Python.
• Strong fundamentals in DS/Algorithms and problem solving.
• Hands-on experience building web services and RESTful APIs (Spring/Spring Boot).
• Experience with Google Cloud data platforms (BigQuery/BigLake/Dataproc) and Cloud Composer.
• Strong SQL skills and BigQuery dialect, performance tuning.
• Experience with distributed systems, scalability and fault tolerance.

Responsibilities

• Code, unit test, and build high-performance data processing applications.
• Develop automation and platform tooling for data teams.
• Improve platform reliability and cost efficiency; optimize queries.
• Collaborate to define best practices and requirements for software.
• Troubleshoot data pipelines and code issues in a high-pass environment.

Skills

Java/Python

DS/Algorithms

SQL

BigQuery/BigLake

RESTful APIs

Cloud Data Platforms

Distributed Systems

Team Collaboration

Communication

Education

BE/B.Tech/MS/MCA in CS

Tools

Kafka

Pub/Sub

Spring Boot

Docker

Kubernetes

Jenkins

Terraform

Airflow/Cloud Composer

Spark/Hive

Job description

About the team:

The Big Data team at Walmart is responsible for building and managing large-scale data processing and analytics platforms that power the company’s data-driven initiatives. We empower a unified ecosystem for developing data products, ML/Ops, and AI/Ops, unlocking actionable insights from Walmart's data at scale across multiple cloud platforms.

What makes our team unique is our focus on both scale and speed. We leverage cutting-edge technologies, distributed computing frameworks and query engines to provide deliver real-time and batch analytics, delivering data-driven solutions that impact millions of customers and associates every day. Our collaborative culture encourages innovation, continuous learning, and cross-functional partnerships, allowing us to solve some of the most complex data challenges in retail at a global scale.

What you'll 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, and values and standards of ethics and integrity.

What you'll bring

• B.E./B.Tech/MS/MCA in Computer Science or related technical field
• 5.5+ 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

About Walmart 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 experts 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.

Work

Walmart's culture sets us apart, and we know being together helps us innovate, learn and grow great careers. This role is based in our Bangalore office for daily work, with the flexibility for associates to manage their personal lives

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include a host of best-in-class benefits maternity and parental leave, PTO, health benefits, and much more.

Belonging

We aim to create a culture where every associate feels valued for who they are, rooted in respect for the individual. Our goal is to foster a sense of belonging, to create opportunities for all our associates, customers and suppliers, and to be a Walmart for everyone.

At Walmart, our vision is "everyone included". By fostering a workplace culture where everyone is - and feels - included, everyone wins. Our associates and customers reflect the makeup of all 19 countries where we operate. By making Walmart a welcoming place where all people feel like they belong, we’re able to engage associates, strengthen our business, improve our ability to serve customers, and support the communities where we operate.

Equal Opportunity Employer

Walmart, Inc., is an Equal Opportunities 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 unique styles, experiences, identities, ideas and opinions - while being inclusive of all people.

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 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.

Preferred Qualifications…

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

Master's degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area, 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…

Building 10 (sez), Cessna Business Park, Kadubeesanahalli Village, Varthur Hobli , India