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Join Our International Mobile Team as a Principal Software Engineer (Mobile)

Are you a visionary mobile engineer ready to make a global impact? Walmart Global Tech is seeking a Principal Software Engineer (Mobile) to join our International Mobile Team. Based in our vibrant Mexico City hub, this in-person, onsite role offers you the chance to lead and innovate in a dynamic environment. If you have a strong development background in mobile-first architectures using Kotlin (Android), and expertise in backend integration using GraphQL, we want to hear from you!

We are looking for a Principal Software Engineer (Mobile / Android) to drive the development of innovative and scalable mobile applications. As a tech lead, you will collaborate with product teams, designers, and architects to design, develop, and enhance reliable and easy-to-maintain mobile infrastructure. Your proven track record of delivering high-quality, scalable mobile applications will be essential in this role.

About the Team : Our team focuses on addressing customer, associate, and business needs by working 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. We are committed to fostering a supportive and inclusive workplace where teamwork and innovation thrive.

What You'll Do :

• Leadership & Mentorship : Guide and mentor a team of mobile engineers, conducting code reviews and leading design discussions to ensure engineering best practices.
• Architectural Leadership : Define and maintain the mobile architecture strategy to ensure scalability, performance, and seamless integration with backend systems (including GraphQL APIs).
• Software Craftsmanship : Consistently deliver high-quality mobile code with an emphasis on testing (unit, UI, integration) and continuous integration / continuous deployment (CI / CD) pipelines.
• Technical Documentation : Develop comprehensive technical documentation to communicate design decisions and architectural approaches clearly (Pe.ADR; Architecture Design Record).
• Engineering Advocacy : Promote technical standards and best practices, fostering a culture of engineering excellence and innovation.
• Project Leadership : Lead major project phases, aligning designs with technical requirements and business objectives.
• Cross-functional Collaboration : Work closely with Product Management, UX / UI teams, Quality Assurance, and DevOps to deliver exceptional mobile products.
• Innovation & Research : Stay up-to-date with the latest in mobile technology trends, including new Swift / Kotlin features, GraphQL integrations, and emerging frameworks / tools.
• Ensure Security and Compliance : Promote and enable security standards, regulations, and corporate security policies.

What You’ll Bring :

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.

Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly, and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates.

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.

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