Senior Software Engineer in Test

Position Summary. What you'll do. Immigration sponsorship is not available for this role. Applicants must be authorized to work for any employer in the United States without current or future visa sponsorship. This is a full-time onsite role based in Sunnyvale, CA. Remote and hybrid options are not available. Role Summary: 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. About the Team We are seeking a Senior Software Engineer for a key position on Walmart's Post Transactions team under the eCommerce experience. Post Transactions is key to the success of order fulfillment journey that powers Walmart's order amendments and order details. We deal with edit quantity and edit Payments, address, etc. In this role, you will develop highly scalable services to process millions of requests per day and solve complex software engineering problems by leveraging state-of-the-art technology. Take the lead on problems related to scale & monetization. Leveraging your experience of designing and building large scale distributed systems, solving problems related to scale and have experience with process huge amounts of data. Provides support to the business by responding to user questions, concerns, and issues. Research and identify needed solutions; determining implementation designs; providing guidance regarding implications of new and enhanced systems; identifying short- and long-term solutions; and directing users to appropriate contacts for issues outside of associate's domain. Manages small to large-sized complex projects by reviewing project requirements; translating requirements into technical solutions; researching and identifying alternative solutions; determining needed solution based on return on investment and value add to the business; gathering requested information;. Write and develop code; conducting unit testing; communicating status and issues to team members and stakeholders; collaborating with project team and cross functional teams; identifying areas of opportunity; interpreting information and identifying a solution; ensuring solution is sustainable across implementation and use. Troubleshoot open issues and bug-fixes; and ensuring on-time delivery and hand-offs. Participates in the discovery phase of small to medium-sized projects to come up with high level design by partnering with the product management, project management, business, and user experience teams. What You'll Bring 4+ years of working experience in Native Android App development. Experience with Kotlin, Jetpack libraries (Compose, ViewModel, Coroutines/Flow, Room), and MVVM/Clean Architecture patterns aligned with Google's Android best practices. 3+ years of working experience in Cloud Components and Architecture. Excellent communication, interpersonal skills and be able to articulate complex technical concepts in an approachable way for broad audiences. Demonstrated high level design of systems. Solid experience in large scale distributed systems and event-driven architecture. Have designed, built, and maintained APIs, services of highly scalable platforms. Have experience with Kafka or other high volume-low latency messaging infrastructure. Have experience with Azure Cloud Stack or other cloud stacks. Have extensive knowledge of open-source libraries, design patterns, and micro-service architecture. Familiarity with CI/CD and unit testing. About Walmart Global 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. 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. The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process. #LI-onsite 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 . 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 ( . Salary 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 1375 Crossman Ave, Sunnyvale, CA , 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. 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, abilities, ideas and opinions- while being inclusive of all people. Position Summary (Second) What you'll do. Role summary: As a Senior Software Engineer, you will lead the delivery of scalable, secure software solutions by managing feature development, testing, and ongoing support within collaborative teams. This role requires expertise in multiple programming languages and a strong focus on continuous integration, automation, and AI/ML integration to enhance platform capabilities. You will contribute to technical design, code quality, and operational excellence while mentoring peers and driving innovation. Your work will align with broader business objectives, ensuring reliable, high-performance systems that meet evolving customer and stakeholder needs. About the team The Search and Personalization team at Walmart focuses on understanding customer needs to create seamless, efficient shopping experiences across online and in-store channels. The team develops intelligent, personalized solutions by leveraging advanced machine learning, natural language processing, and knowledge representation. Comprising skilled engineers, data scientists, and product experts, the team addresses complex challenges at the intersection of Walmart's extensive assortment, millions of customers, and thousands of stores. Their work drives innovation in e-commerce by delivering tailored experiences that enhance customer engagement and satisfaction globally. What you'll do Own delivery of scoped features and models through collaborative engineering teams, ensuring alignment with platform and system objectives. Design, develop, test, and maintain data pipelines and platform services using Scala, Spark, Python, and PySpark on GCP Dataproc, following clean coding and documentation standards. Integrate AI and machine learning components to enhance software capabilities and innovation. Participate in design reviews, applying scalable and maintainable software design principles. Conduct code reviews, debugging, and continuous integration to ensure high-quality deliverables. Monitor application performance using Grafana, Open Observe, and platform telemetry; support ongoing reliability improvements including autoscaling optimization, cost efficiency, and SLA compliance across 9 global markets. What you'll bring Extensive experience in software development with proficiency in Scala, Python, PySpark, and Java, with hands-on experience building distributed data pipelines on Apache Spark. Strong expertise in object-oriented and functional programming, code review, debugging, and documentation-based coding practices. Proven ability to deliver scoped features and platform components through iterative development and continuous integration in a multi-tenant, multi-market environment. Experience with big data ecosystems - GCP Dataproc, Airflow, Kafka, Cassandra, GCS, and columnar formats and optimizing for throughput, latency, and cost. Experience with Kubernetes/WCNP deployments, CI/CD, and infrastructure-as-code practices. Effective collaboration and communication skills to engage cross-functional teams - data science, ML engineering, product, and platform stakeholders. Benefits (Third) 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 surrogate 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 . Eligibility requirements apply. Primary Location (Second) 1275 Crossman Ave, Sunnyvale, CA , 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. 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, abilities, ideas and opinions- while being inclusive of all people. Salary (Second) 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 (Second) 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 (Second) 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. Primary Location (Third) 1395 Crossman Ave, Sunnyvale, CA , 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. 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, abilities, ideas and opinions- while being inclusive of all people. #J-18808-Ljbffr