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Hi, I'm Diego Rizzo-Johnson—a Senior QA Engineer with 11+ years of experience championing quality at enterprise scale. I've led testing programs for teams supporting clients like Google, Amazon, and Oracle, coordinating across multiple engineering squads to ship reliable software. I'm especially passionate about AI-assisted testing, risk-based quality strategies, and building scalable processes that reduce defects and accelerate delivery. I'm currently expanding automation capabilities using JavaScript and Playwright to speed test coverage and improve feedback loops. Beyond hands-on testing, I mentor QA teams, drive release readiness, and advocate for data-driven quality. My approach blends strong test design with cross-team collaboration, quarterly bug bashes, and clear metrics that help leadership allocate resources to high-risk areas. I enjoy turning complex problems into manageable, well-documented tests that prevent outages and improve customer satisfaction.…Hi, I'm Diego Rizzo-Johnson—a Senior QA Engineer with 11+ years of experience championing quality at enterprise scale. I've led testing programs for teams supporting clients like Google, Amazon, and Oracle, coordinating across multiple engineering squads to ship reliable software. I'm especially passionate about AI-assisted testing, risk-based quality strategies, and building scalable processes that reduce defects and accelerate delivery. I'm currently expanding automation capabilities using JavaScript and Playwright to speed test coverage and improve feedback loops. Beyond hands-on testing, I mentor QA teams, drive release readiness, and advocate for data-driven quality. My approach blends strong test design with cross-team collaboration, quarterly bug bashes, and clear metrics that help leadership allocate resources to high-risk areas. I enjoy turning complex problems into manageable, well-documented tests that prevent outages and improve customer satisfaction.

Diego Rizzo-Johnson

QA Engineer, Web Developer, Programmer, +5

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Hi, I'm Diego Rizzo-Johnson—a Senior QA Engineer with 11+ years of experience championing quality at enterprise scale. I've led testing programs for teams supporting clients like Google, Amazon, and Oracle, coordinating across multiple engineering squads to ship reliable software. I'm especially passionate about AI-assisted testing, risk-based quality strategies, and building scalable processes that reduce defects and accelerate delivery. I'm currently expanding automation capabilities using JavaScript and Playwright to speed test coverage and improve feedback loops. Beyond hands-on testing, I mentor QA teams, drive release readiness, and advocate for data-driven quality. My approach blends strong test design with cross-team collaboration, quarterly bug bashes, and clear metrics that help leadership allocate resources to high-risk areas. I enjoy turning complex problems into manageable, well-documented tests that prevent outages and improve customer satisfaction.…Hi, I'm Diego Rizzo-Johnson—a Senior QA Engineer with 11+ years of experience championing quality at enterprise scale. I've led testing programs for teams supporting clients like Google, Amazon, and Oracle, coordinating across multiple engineering squads to ship reliable software. I'm especially passionate about AI-assisted testing, risk-based quality strategies, and building scalable processes that reduce defects and accelerate delivery. I'm currently expanding automation capabilities using JavaScript and Playwright to speed test coverage and improve feedback loops. Beyond hands-on testing, I mentor QA teams, drive release readiness, and advocate for data-driven quality. My approach blends strong test design with cross-team collaboration, quarterly bug bashes, and clear metrics that help leadership allocate resources to high-risk areas. I enjoy turning complex problems into manageable, well-documented tests that prevent outages and improve customer satisfaction.

Available to hire

Hi, I’m Diego Rizzo-Johnson—a Senior QA Engineer with 11+ years of experience championing quality at enterprise scale. I’ve led testing programs for teams supporting clients like Google, Amazon, and Oracle, coordinating across multiple engineering squads to ship reliable software. I’m especially passionate about AI-assisted testing, risk-based quality strategies, and building scalable processes that reduce defects and accelerate delivery. I’m currently expanding automation capabilities using JavaScript and Playwright to speed test coverage and improve feedback loops.

Beyond hands-on testing, I mentor QA teams, drive release readiness, and advocate for data-driven quality. My approach blends strong test design with cross-team collaboration, quarterly bug bashes, and clear metrics that help leadership allocate resources to high-risk areas. I enjoy turning complex problems into manageable, well-documented tests that prevent outages and improve customer satisfaction.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior QA Engineer at dscout

May 1, 2023 - November 1, 2025

Own quality strategy for cross-team AI and Live projects, coordinating testing efforts across 12+ engineers and establishing go/no-go release decisions for enterprise clients including Google, Amazon, and Oracle. Orchestrated quarterly bug bashes identifying 15+ critical issues before major releases, preventing 25% of potential production incidents while reducing new QA onboarding time by 50%. Redesigned triage workflow with Tech Support, improving average response time from 6 hours to 3.5 hours and achieving 95% SLA on critical issues. Leveraged Claude Code and GitHub Copilot to diagnose and fix 10+ customer-impacting bugs, reducing bug resolution time by 40% and freeing up 15+ developer hours per sprint. Analyzed defect patterns and presented monthly quality reports to Engineering Leadership, guiding resource reallocation toward high-risk areas.

Quality Assurance Lead at WorkTango

October 1, 2022 - May 1, 2023

Established department-wide quality processes that reduced regression testing cycles by 30%, enabling 20% faster release cadence and supporting 8 major releases in 7 months. Mentored 5 QA analysts through modeling high-quality work and providing growth opportunities, resulting in 100% retention and 2 internal promotions within 6 months. Collaborated with CTO to implement monthly quality metrics reviews, increasing visibility into defect trends and release readiness across the organization. Led Agile ceremonies including sprint planning, daily standups, and retrospectives, ensuring quality considerations were integrated throughout the SDLC.

Senior Quality Analyst at WorkTango

April 1, 2021 - September 1, 2022

Coordinated release management ensuring post-release observability and monitoring, achieving 99.8% deployment success rate across 15+ releases with complex cross-team dependencies. Introduced process improvements reducing release time by 40% through proactive problem identification and effective scope management. Participated in Agile sprint planning and retrospectives, providing quality insights that shaped development priorities and improved team velocity by 15%. Conducted comprehensive API testing using Postman and SQL validation to ensure data integrity across platform integrations.

Quality Analyst II at WorkTango

May 1, 2017 - March 1, 2021

Identified 35+ edge cases during SDLC reviews that prevented critical bugs from reaching production, reducing post-release defects by 30%. Developed and maintained test cases covering functional, regression, and exploratory testing scenarios for multiple product releases. Performed SQL queries to validate data accuracy and troubleshoot customer-reported issues.

Quality Analyst I at Tempus Health

March 1, 2016 - April 1, 2017

Conducted functional and regression testing for healthcare data platform, ensuring HIPAA compliance and data accuracy. Collaborated with clinical and engineering teams to validate genomic data processing workflows.

Quality Analyst I at Epic Systems

September 1, 2014 - February 1, 2016

Performed functional testing on Epic's Electronic Health Records modules used by healthcare providers nationwide. Validated complex workflows for patient scheduling, clinical documentation, and billing processes.