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Roberto Sierra Alvarez

Senior Manager, Software Engineering at Walmart Labs

Engineering Manager Manager
r***@walmart.com Sign up
Pro only
Pro only
Queretaro, Mexico

Company Details

Company: Walmart Labs
Industry: information technology & services
Employees: 15000
HQ Location: Sunnyvale, California, United States
Company LinkedIn: Pro only

Technology Stack

UltraDns Akamai Akamai DNS Mixpanel Taboola Newsroom Chartbeat Backbone JS Library Magento Stripe Adobe CQ Adobe Marketing Cloud Magento 2 Enterprise Magento Enterprise Marketo Salesforce Microsoft Application Insights WP Engine ExactTarget Hubspot Salesforce Live Agent

Professional Summary

Roberto Sierra Alvarez is Senior Manager, Software Engineering at Walmart Labs. Walmart Labs operates in the information technology & services industry and has 15000 employees. Based in Queretaro, Mexico. Classified as a manager-level Engineering Manager leader. Their organization's technology stack includes UltraDns, Akamai, Akamai DNS, Mixpanel, Taboola Newsroom, and 40 other technologies.

Industry & Role Insights

  • • CTO Rank tracks 128,091 Engineering Manager leaders with verified contact information.
  • • There are 166,587 tech leaders in the information technology & services industry in our database.
  • • We have verified contacts for 532 tech leaders at Walmart Labs.
  • • 177 tech leaders in Queretaro are available in our database.
Manager level · Engineering Manager
Verified Apr 27, 2026

Position in the CTO Rank Database

  • • Roberto Sierra Alvarez is 1 of 128,998 leaders with the Engineering Manager role tracked in the CTO Rank database.
  • • 44,309 hold the Engineering Manager role at information technology & services companies (out of 167,492 total information technology & services leaders in our database).
  • • 101 hold the Engineering Manager role in Queretaro.
  • • 1,017 hold the Engineering Manager role at companies with 15000 employees.

Data sourced from 484,726 tech leadership profiles. Updated May 2026.

Frequently Asked Questions

How do I contact Roberto Sierra Alvarez?

Roberto Sierra Alvarez has a verified email address on file on CTO Rank. They work at Walmart Labs. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Roberto Sierra Alvarez work for?

Roberto Sierra Alvarez is Senior Manager, Software Engineering at Walmart Labs, a company in the information technology & services industry with 15000 employees. The company is headquartered in Sunnyvale, California, United States.

What is Roberto Sierra Alvarez's role in technology leadership?

Roberto Sierra Alvarez is classified as a Engineering Manager leader at the manager level.

What technologies does Roberto Sierra Alvarez's organization use?

Roberto Sierra Alvarez's organization uses a technology stack that includes UltraDns, Akamai, Akamai DNS, Mixpanel, Taboola Newsroom, Chartbeat. This information is useful for sales teams, recruiters, and technology vendors.

Is Roberto Sierra Alvarez open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Roberto Sierra Alvarez using the verified contact information available to Pro members. When recruiting a Senior Manager, Software Engineering, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Roberto Sierra Alvarez at Walmart Labs?

Roberto Sierra Alvarez is Senior Manager, Software Engineering at Walmart Labs. Engineering Managers like Roberto Sierra Alvarez typically evaluate vendors in UltraDns, Akamai, Akamai DNS, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Roberto Sierra Alvarez's profile data?

CTO Rank verifies and refreshes profile data weekly. Roberto Sierra Alvarez's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.