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Ulises Rosas

Senior Software Engineer

Mexico · Remote · [email protected] · +52 644 143 1479 · in/ulyrosas

Summary

Senior Software Engineer with 10+ years delivering mobile and full-stack products across IoT, Fitness, Logistics and Healthcare.

Experience

Head of Software EngineeringSahuaro Labs LLC · U.S.
May 2018 - April 2026

Led engineering and client delivery across distributed design, mobile, and web teams.

  • Led full-SDLC delivery for several client products across distributed design, mobile, and web teams.
  • Improved release output through mentorship, code review standards, shared architecture and CI/CD automation.
  • Enabled better product interaction by implementing analytics and in-app messaging.
  • Introduced stronger QA standards driving error detection and resolution quickly.
  • Automated GitHub Actions pipelines cutting deploy times to minutes.
  • Created Voice Agents to handle customer service, lead qualification and booking appointments.
  • Integrated AI Models into mobile and web applications.
  • Created Workflow automations for customer outbound campaigns.
Software EngineerSahuaro Labs LLC · U.S.
May 2015 - April 2018

Built BLE beacon platforms and location-based Android applications.

  • Created a Bluetooth Low Energy beacon platform for location-based marketing campaigns in physical stores.
  • Developed the Android application from requirements gathering through deployment.
  • Implemented BLE beacon technology to trigger location-based customer interactions.
  • Built a reusable Android SDK for location and connectivity services, minimizing integration time for product teams.
  • Established coding guidelines, code-review practices, and CI/CD processes to improve development consistency.

Education

B.S. in Software EngineeringInstituto Tecnológico de Sonora (ITSON) · Mexico
December 2015

Skills

Languages:
JavaScript, TypeScript, Kotlin, Java, C#, SQL
Frontend:
React, Next.js, Angular, Vue.js, CSS3
Mobile:
React Native, Android, iOS (Swift), Ionic, Bluetooth / BLE, MQTT, Geolocation
Backend / Cloud:
Node.js, ASP.NET, REST APIs, MongoDB, AWS, Docker, CI/CD, GitHub Actions
Leadership:
Technical Architecture, Team Leadership, Mentoring, Stakeholder Management, Agile / Scrum
AI:
Agents, RAG, Workflow Automation, n8n, Voice Agents

Languages