# Mackenzie Ros

> Software Engineer @ Five9

Location: San Jose, California, United States
Profile: https://flows.cv/mackenzieros

## Work Experience
### Software Engineer II @ Five9
Jan 2024 – Present | San Ramon, CA
• Lead contributor to the core voice product, driving full-stack development for major product enhancements including AI Agent Assist integrations for Wells Fargo, CVS, and McKesson.  
• Architected and successfully deployed transcription streaming integrations for high-tier CRMs, including ServiceNow and Salesforce.
• Engineering a finite-state machine within a distributed pub-sub architecture to orchestrate 14 billion annual minutes of audio and text data while maintaining a 99.999% SLA.
• Designing a high-throughput routing layer using Kafka Connect and CockroachDB to ensure horizontal scalability and data consistency for global call traffic.
• Co-owning the development of a React-based admin portal to manage system-critical data and internal configurations.

### Software Engineer L4 @ Qualtrics
Jan 2023 – Jan 2023 | Seattle, WA
• Led full-stack development for the Pulse product, engineering accessible interfaces for multi-interval batch processing systems that helped secure $20M in revenue.
• Contributed to technical initiatives that resulted in a 90% customer retention rate across the organization.
• Managed and scaled four Java microservices and a PHP monolith, handling over 100,000 requests per day for strongly consistent datasets.
• Fostered engineering culture by leading technical brown-bag sessions, driving design discussions, and mentoring junior developers to improve system reliability.

### Software Engineer L3 @ Qualtrics
Jan 2021 – Jan 2023 | Seattle, WA
• Directed cross-functional initiatives to define technical objectives and managed deliverables for three high-impact software projects for large-scale customers.
• Developed serverless (FaaS) solutions in Node.js utilizing event-driven architectures to automate complex user workflows.
• Improved developer productivity by parallelizing Jenkins pipelines, resulting in a 40% increase in release throughput and faster MTTR for hotfixes.
• Maintained a rigorous testing standard, achieving and sustaining 95% code coverage across all managed services through unit, functional, and integration testing.

### Software Engineer Intern @ CalAmp
Jan 2019 – Jan 2019 | Irvine, CA
• Contributed to the backend development for vehicle and asset monitoring on the Telematics Cloud team.   
• Cross-collaborated with teams to ensure integration of IoT solutions.


## Education
### Bachelor of Science - BS in Computer Science
UC Irvine

### Associate of Science - AS in Mathematics and Physics
San Jose City College


## Contact & Social
- LinkedIn: https://linkedin.com/in/mackenzie-ros

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Source: https://flows.cv/mackenzieros
JSON Resume: https://flows.cv/mackenzieros/resume.json
Last updated: 2026-04-11