Distinguished, Software Engineer

Position Summary We are seeking a seasoned Distinguished Software Engineer – Site Engineering Architect to lead the technical architecture and cross‑functional delivery for our eCommerce site platforms. In this role you will own the architecture, operational model, and engineering standards that enable highly available, secure, performant, and extensible eCommerce experiences. Hiring location: Sunnyvale, CA (roles also available in Bentonville, AR ). About the Team The Site Engineering team designs, builds, and operates the Walmart Commerce Platform (WCP) , the unified technical foundation powering Walmart’s customer‑facing sites and experiences. We partner with Walmart U.S. stores, eCommerce, mobile, Merchants, and Operations to deliver end‑to‑end solutions that serve Walmart U.S., International, and Sam’s Club markets. Immigration Sponsorship Immigration sponsorship support will NOT be available for this position. Responsibilities Lead architecture and technical strategy for core eCommerce site platforms (catalog, search, checkout, cart, personalization, promotions, storefront, content delivery), ensuring scalability, availability, security, and extensibility. Drive execution for some of the organization’s largest eCommerce initiatives — own architecture decisions, tradeoffs, success criteria and delivery risks across multiple teams and stakeholders. Create and sustain strong, practical collaboration between engineering, product management, UX, SRE and business partners so that architecture and delivery are tightly aligned with product goals and customer experience. Define and evangelize target state architectures (microservices, event‑driven/data‑streaming, edge/CDN strategies, serverless/K8s, API and data contracts) and migration approaches from legacy systems. Establish and enforce engineering standards and best practices (API design, CI/CD, automated testing, infrastructure as code, secure coding, data privacy/PCI compliance). Shape and improve program delivery processes: roadmaps, planning cadences, risk frameworks, release gating, change control and cross‑team dependency management to increase predictability and throughput. Design and implement observability, monitoring and alerting patterns (metrics, tracing, logs, synthetic monitoring, SLIs/SLOs) to reliably measure site health and customer impact; create runbooks and operational playbooks. Partner with SRE/ops to lead capacity planning, performance tuning, cost optimization and incident response improvements for site reliability and customer experience. Mentor and coach technical leads and engineers on system design, performance engineering, and trade‑off analysis. Evaluate new technologies and third‑party suppliers (search providers, payment gateways, CDNs, personalization engines) and drive technical due diligence and proof‑of‑concepts. Ensure engineering work complies with regulatory/security standards (PCI‑DSS, GDPR, internal security policies) and auditability requirements. Communicate architecture and program status clearly to senior leadership and influence roadmap and investment decisions. What You'll Bring A seasoned technical architect who combines deep hands‑on platform expertise with a track record of delivering large, multi‑market eCommerce site solutions. This person will have built and operated commerce platform technology and can define and deliver site engineering solutions that work reliably for Walmart U.S., International, and Sam’s Club markets. At least 8 years’ experience in software engineering or related area. Experience with relevant technical leadership or architecture (site engineering, principal/Staff architect, senior technical program/engineering lead) on high‑scale digital commerce platforms. Advanced proficiency in Lua scripting, including custom logic for Akamai and Torbit rule sets, edge processing, and traffic management. Proven experience architecting and delivering eCommerce/site engineering initiatives on an active digital commerce platform, covering U.S., International and Sam’s Club markets (localization, taxes, fulfillment, payments, and regulatory differences). Deep understanding of discovery systems and customer lifecycle flows: checkout, cart, catalog, inventory, order lifecycle, returns, and seller/merchant interactions (marketplace flows preferred). Strong technical acumen across system and solution architecture, microservices, event‑driven patterns, API and data contract design, caching/CDN strategies, front‑end performance, and end‑to‑end integrations. Cloud & platform hands‑on experience (AWS/GCP/Azure), containerization/Kubernetes and/or serverless, infrastructure as code (Terraform/CloudFormation), CI/CD and release automation. Observability & reliability expertise: instrumentation (metrics/tracing/logs), SLI/SLO design, synthetic monitoring, incident response/runbooks, capacity planning and performance engineering. Security & compliance awareness relevant to commerce (PCI‑DSS, PII/GDPR, secure coding and auditability). Experience with search, personalization and event/message systems (e.g., Elasticsearch/OpenSearch, personalization engines, Kafka/Kinesis) and integrations to payments, fraud, tax, and fulfillment vendors. Proven ability to operate and evolve a shared commerce stack that delivers common capabilities across multiple product lines and markets while enabling product teams to move quickly and safely. Strong analytical, organizational and problem‑solving skills with a data‑driven mindset (uses metrics and SLIs to drive decisions). Excellent communication and stakeholder management skills – able to influence product, UX, SRE, merchant and business leaders across cross‑functional and international settings and present technical trade‑offs to senior leadership. Track record of mentoring and growing technical leads and engineers, and of driving improvements to engineering standards, tooling and ways of working. Minimum Qualifications Option 1: Bachelor’s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 6 years’ experience in software engineering or related area. Option 2: 8 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 4 years’ experience in software engineering or related area. 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. Primary Location 1345 Crossman Ave, Sunnyvale, CA 94089‑1114, United States of America. Walmart and its subsidiaries are committed to maintaining a drug‑free workplace and have a no‑tolerance policy regarding the use of illegal drugs and alcohol on the job. 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 inclusive of all people. Benefits and Perks Competitive pay with incentive awards, 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, flexible working hours and more. Additional benefits include short‑term and long‑term disability, company discounts, adoption and surrogacy expense reimbursement, UFC and educational benefits. #J-18808-Ljbffr Walmart