Software Engineer III

Position Summary...

What you'll do...

About Team:

Enterprise Business Services is invested in building a compact, robust organization that includes service operations and technology solutions for Finance, People, Associate Digital Experience.

As a part of Walmart Global Tech in India that works on building solutions various business functions for multiple Walmart markets, your design and solution will have a significant impact on day-to-day running of Walmart. You will be challenged with unparalleled complex business problems that spans across multiple countries, large number of users and data.

Walmart’s Enterprise Business Services (EBS) is a powerhouse of several exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart.

As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Each time an associate turns on their laptop, a customer makes a purchase, a new supplier is onboarded, the company closes the books, physical and legal risk is avoided, and when we pay our associates consistently and accurately, that is EBS. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the chance to set new industry standards that shape the future of Walmart.

What you will do

Through this role you have an opportunity to design and develop intuitive software that meets and exceeds the needs of the customer and the company.
You also get to collaborate with team members to develop best practices and client requirements for the software.
You will work with software engineers & architects, program managers, external teams, and partners in an agile manner to build and release product features that caters to business requirements.
Use your knowledge of applicable full stack technology stacks and backend platforms ( python) to automate application flow and services.
You’ll work to design and architect solutions to remove performance impacting barriers and increasing efficiency of our automation operations.
You will be building services, tools, portals, backend components and Integrating with end to end models and apply your knowledge as part of your solutions.
Create proof of concepts, prototyping and experimentation.
You will professionally maintain all codes and create updates regularly to address the customer’s and company’s concerns
You will show your skills in analysing and testing programs/products before formal launch to ensure flawless performance.
Troubleshooting coding problems quickly and efficiently will offer you a chance to grow your skills in a high-pace, high-impact environment.
Software security is of prime importance and by developing programs that monitor sharing of private information, you will be able to add tremendous credibility to your work
You will also be required to seek ways to improve the software and its effectiveness.
You will support the coaching and training of other team members to ensure all employees are confident in the use of software applications

What you'll bring:

Must-Have Qualifications:

3-6 years of experience in backend software development, with strong proficiency in Python.
Write clean, testable, and well-documented code following best practices in software engineering and Python development.
Hands-on experience with LangChain, LangGraph, or similar agent-oriented frameworks.
Good understanding of LLM integration techniques: RAG, CoRAG, SWE, ReACT, Toolformer-style tools.
Experience with NoSQL databases like MongoDB, Redis, or Cassandra.
Solid understanding of software engineering principles: modular code design, CI/CD pipelines, configuration-driven architecture.
Ability to write maintainable and scalable Python code, with emphasis on code reuse and modularity.
Familiarity with prompt engineering and evaluation of LLM outputs for correctness and relevance.
Work closely with Data and Product Managers to deliver AI-powered applications with measurable impact.
Integrate with NoSQL databases (e.g., MongoDB, Redis, Cassandra) for state, memory, or knowledge base persistence.

Good to Have:

Experience with OpenAI, Anthropic, Cohere, or other commercial LLM APIs.
Exposure to vector databases (e.g., FAISS, Weaviate, Pinecone) for retrieval-augmented generation.
Familiarity with FastAPI, Flask, or other Python web frameworks.
Knowledge of Docker, Kubernetes, and cloud services (AWS/GCP/Azure) for deploying LLM-based solutions.
Contributions to open-source LLM tools or agent frameworks.
Understanding of observability and monitoring for LLM-based systems (e.g., latency tracing, token usage, failures).
Worked on End to End full stack development.

Flexible, hybrid work

We use a hybrid way of working with primary in office presence coupled with an optimal mix of virtual presence. We use our campuses to collaborate and be together in person, as business needs require and for development and networking opportunities. This approach helps us make quicker decisions, remove location barriers across our global team, be more flexible in our 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 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.

Minimum Qualifications...

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

Minimum Qualifications:Option 1: Bachelor's degree in computer science, information technology, engineering, information systems, cybersecurity, or related area and 2years’ experience in software engineering or related area at a technology, retail, or data-driven company.

Option 2: 4 years’ experience in software engineering or related area at a technology, retail, or data-driven company.

Preferred Qualifications...

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

Certification in Security+, Network+, GISF, GSEC, CISSP, or CCSP, Master’s degree in Computer Science, Information Technology, Engineering, Information Systems, Cybersecurity, or related area