Senior, Software Engineer – Python, Gen AI Developer

Walmart Inc.; Sunnyvale (CA); On-site; USD 117,000 - 234,000; Full time

Benefits offered by this job

401(k) match

Stock purchase plan

Paid maternity and parental leave

PTO and health plans

Job summary

Walmart, Inc. is seeking an experienced software engineering leader to build scalable APIs and services for the Global Sourcing Backend. You will guide a 3-4 person team, solve critical production issues, and drive architectural improvements across Python, Node.js, and cloud-native microservices.

The role emphasizes Gen AI integration, API design, and collaboration with cross-functional teams to deliver reliable, customer-focused solutions in Sunnyvale, CA.

Qualifications

• 7+ years of experience building scalable applications.
• Experience integrating GPT/Gen AI models and AI workflows.
• Proficient in Python-based backend services and API design.

Responsibilities

• Lead by example a team of 3-4 engineers and guide architecture.
• Design, develop, and maintain scalable APIs and services.
• Perform root cause analysis and drive incident resolution.
• Review designs and code, and implement new architectural patterns.
• Collaborate with cross-functional teams to meet customer needs.

Skills

Team leadership

Mentoring

Problem solving

Education

Bachelor's degree in Computer Science / Computer Engineering / Computer Information Systems / Software Engineering

Tools

Python

Flask

FastAPI

React

Redux

Context API

Express.js

Node.js

Jenkins

Maven

Azure

GCP

Job description

Position Summary

As part of Walmart's Global Sourcing Backend team, you will be building highly scalable and reliable APIs, services and applications which will drive the next generation purchase order management system. You'll independently handle high impact, critical software/systems monitoring issues, troubleshoot business and production issues. As a member of this fast-moving and highly entrepreneurial team, you'll be able to say that you work for the worlds largest retailer and contribute to innovation and development to best-in-class methodologies that impacted perception and drastically changed business as we know it.

About Team

Focusing on customer, associate and business needs, this team works with Walmart International, which includes more than 5,200 retail units, operating in 23 countries such as Canada, Central America, Chile, China, India, Mexico and South Africa to name a few.

Immigration sponsorship is not available for this role.

What you'll do

• Lead by example a team of 3-4 members. Show your chops as an exceptional and experienced developer
• Demonstrates up-to-date expertise and applies this to the development, execution, and improvement of action plans by providing expert advice and guidance to others in the application of information and best practices; supporting and aligning efforts to meet customer and business needs; and building commitment for perspectives and rationales.
• Identifying short and long- term solutions and timeline; reviewing and approving proposed solutions, implementing new architectural patterns; and performing design and code reviews of changes.
• Provides support to the business for new and existing systems by responding to user questions, concerns, and issues (for example, technical feasibility); researching and identifying needed solutions; determining implementation designs; providing guidance regarding implications of new and enhanced systems; and directing users to appropriate contacts for issues outside of own domain.
• Troubleshoots business and production issues by gathering information (for example, issue, impact, criticality); performing root cause analysis to reduce future issues; engaging support teams when needed; developing solutions; driving the development of an action plan; performing actions as designated in the plan; and completing online documentation.

What you’ll bring

• 7+ years of experience building scalable applications.
• (Python):
• Utilize libraries like to integrate a pre-trained Generative Pre-trained Transformer (GPT) model like or Gemini.
• Develop a text pre-processing module to handle user input, cleaning and formatting text for optimal model performance.
• Implement an API endpoint using a framework like Flask or Fast API to receive user prompts and send them to the Gen AI model.
• Integrate a safety module to filter out potentially harmful or biased outputs from the model.
• Build a user-friendly interface using React components where users can input writing prompts, choose desired writing styles (e.g., poem, script, news article), and adjust generation parameters.
• Utilize Reacts state management libraries (Redux, Context API) to handle user interactions and display generated content dynamically.
• Implement an attractive and intuitive UI that allows users to review and iterate on generated content.
• API Gateway (Node.js):
• Serve as a communication layer between Python backend. Utilize a framework like Express.js to build a lightweight API gateway for managing incoming requests and responses.
• Familiarity with continuous integration/deployment processes and tools such as Jenkins and Maven.
• Strong experience interfacing with Web Services platforms
• Strong expertise in development of scalable cloud native microservices
• Strong expertise in designing and building APIs
• Strong expertise with Cloud Technologies like Azure and GCP
• Strong Expertise in Java/Python, Design Patterns

Benefits

Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

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 unique styles, experiences, identities, ideas and opinions while being welcoming of all people. At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more. You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable. For information about PTO, see https://one.walmart.com/notices. Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms. For information about benefits and eligibility, see One.Walmart. The annual salary range for this position is $117,000.00-$234,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include: Stock

Minimum Qualifications

Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years’ experience in software engineering or related area.

Option 2: 5 years’ experience in software engineering or related area.

Preferred Qualifications

Master’s degree in Computer Science, Computer Engineering, Computer Information Systems, Software Engineering, or related area and 1 year's experience in software engineering 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

640 W California Avenue, Sunnyvale, CA 94086-4828, United States of America Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

About Walmart

Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it. You'll play a crucial role in shaping the future of retail, improving millions of lives around the world. This is that place where your passions meet purpose. Join our family and create a career you're proud of.