About the Role Walmart's is the mobile experience that puts the power of Walmart in every associate's hands — 2M+ associates globally, across every store, DC, and market.
As the Principal Engineer for Global Platform (International), you'll be the senior technical anchor responsible for how our International markets (Mexico, Canada, Chile, Central America) consume, adapt, and extend the General Platform.
This isn't a role that ships features.
This is the role that ensures features can be shipped — on time, at scale, across languages, currencies, and regulatory realities — without every market team reinventing the wheel.
You'll own the technical direction for how lands in every International market, feed our market-specific requirements back into the Global Platform, and coach the Staff engineers who execute the day-to-day delivery What You'll Do Own the technical direction for Global Platform (International) Author and evolve the International Platform strategy — a multi-quarter technical roadmap covering integration surface, extension points, multi-market rollout patterns, and the standard operating model for market teams to consume the Global Platform.
Represent International Tech in US Global Platform forums — ensuring our market realities (LGPD, LFPDPPP, local payment methods, language, currency, offline-first store use cases) are reflected upstream, not bolted on downstream.
Chair the International Design Review (bi-weekly, cross-market) and set the ADR / RFC standard the org will operate by.




Drive cross-market platform adoption and parity Define and publish an International Parity Matrix — the objective view of how each market compares to the US baseline (features shipped, platform versions consumed, technical debt outstanding, gaps prioritized).
Partner with each market's Engineering Manager and Staff engineers on market-specific rollout plans for Global Platform capabilities.
Own the mini-app / plug-in extension model for International, including the table.loop registry governance, semver policy, and deprecation lifecycle.
Elevate the engineering practice around you Coach and calibrate Staff-tier engineers across MX (Firebase INTL, MAGIC frameworks, Polaris WFM Interfaces, Store Systems).
Named coaching relationships, not drive-by mentorship.
Author public engineering artifacts — ADRs, RFCs, internal blog posts, tech talks — that document how we make platform decisions at International Tech.
Serve as calibration and promotion signal for Sr Staff and Staff SWE promo cycles.
Own International reliability conversational Spanish is a strong plus (audience in MX is bilingual.
Comfort with MX Central hours + occasional early-morning overlap with US Bentonville.
Strongly Preferred Prior work in retail, fintech, or super-app environments where the mobile app is the product (not a companion experience).
Experience with mini-app / plug-in architectures (WeChat, Alipay, Line, Grab, or in house equivalents.
Hands-on with Firebase (Remote Config, A/B, Crashlytics, App Distribution, FCM) at scale.
Comfort with observability

📌 Principal Engineer (Xico)
🏢 Walmart Global Tech
📍 Xico