Staff, Software Engineer
- Walmart
- 10 - 13 years
- Bengaluru
- 2 months ago
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Job Description
- 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 LLM 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 LLM 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 youll bring:
- Design and develop end-to-end LLM-integrated solutions using frameworks like LangChain, LangGraph, and AutoGen.
- Build modular, well-structured, and configurable Python modules for scalable deployment.
- Implement advanced techniques in LLM-based reasoning such as RAG, CoRAG, Self-Refinement, and ReACT.
- Develop custom agent flows that interact with internal tools, APIs, and databases to automate complex tasks.
- Design and manage orchestration pipelines for multi-agent workflows using tools like LangGraph or custom FSM frameworks.
- Integrate with NoSQL databases (e.g., MongoDB, Redis, Cassandra) for state, memory, or knowledge base persistence.
- Work closely with Data and Product Managers to deliver AI-powered applications with measurable impact.
- Write clean, testable, and well-documented code following best practices in software engineering and Python development.
- Contribute to the architecture and infrastructure of our LLM-based services ensuring performance, scalability, and resilience.
Must-Have Qualifications:
- 10+ years of experience in backend software development, with strong proficiency in Python.
- Hands-on experience with LangChain, LangGraph, or similar agent-oriented frameworks.
- Proven track record of building and deploying LLM-integrated applications in production.
- Deep 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.
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).
Job Classification
Industry: RetailFunctional Area / Department: Engineering - Software & QA, Role Category: Software DevelopmentRole: Search EngineerEmployement Type: Full timeContact Details:
Company: WalmartLocation(s): Bengaluru+ View Contact
Keyskills: Computer science Automation Backend Networking Coding Agile MongoDB Troubleshooting Open source Python
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