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I am a Principal QA Engineer with 20+ years of experience delivering quality across complex, production-critical systems spanning enterprise SaaS, engineering platforms and financial systems. I define and lead end-to-end test strategies, drive QA initiatives and improve release confidence within Agile and CI/CD environments. I am skilled at SIT, UAT and regression testing, leading test execution, coordinating stakeholders and ensuring alignment between technical teams and business requirements. I bring experience with large-scale system rollouts and multi-environment deployments, validating complex workflows, data processing and business-critical functionality. I am collaborative, delivery-focused, and proven at leading testing activities, managing risk, and supporting go-live readiness across multiple environments and stakeholders.…I am a Principal QA Engineer with 20+ years of experience delivering quality across complex, production-critical systems spanning enterprise SaaS, engineering platforms and financial systems. I define and lead end-to-end test strategies, drive QA initiatives and improve release confidence within Agile and CI/CD environments. I am skilled at SIT, UAT and regression testing, leading test execution, coordinating stakeholders and ensuring alignment between technical teams and business requirements. I bring experience with large-scale system rollouts and multi-environment deployments, validating complex workflows, data processing and business-critical functionality. I am collaborative, delivery-focused, and proven at leading testing activities, managing risk, and supporting go-live readiness across multiple environments and stakeholders.

Sarah Williams

QA Engineer, Web Developer, Front-End Developer, +2

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I am a Principal QA Engineer with 20+ years of experience delivering quality across complex, production-critical systems spanning enterprise SaaS, engineering platforms and financial systems. I define and lead end-to-end test strategies, drive QA initiatives and improve release confidence within Agile and CI/CD environments. I am skilled at SIT, UAT and regression testing, leading test execution, coordinating stakeholders and ensuring alignment between technical teams and business requirements. I bring experience with large-scale system rollouts and multi-environment deployments, validating complex workflows, data processing and business-critical functionality. I am collaborative, delivery-focused, and proven at leading testing activities, managing risk, and supporting go-live readiness across multiple environments and stakeholders.…I am a Principal QA Engineer with 20+ years of experience delivering quality across complex, production-critical systems spanning enterprise SaaS, engineering platforms and financial systems. I define and lead end-to-end test strategies, drive QA initiatives and improve release confidence within Agile and CI/CD environments. I am skilled at SIT, UAT and regression testing, leading test execution, coordinating stakeholders and ensuring alignment between technical teams and business requirements. I bring experience with large-scale system rollouts and multi-environment deployments, validating complex workflows, data processing and business-critical functionality. I am collaborative, delivery-focused, and proven at leading testing activities, managing risk, and supporting go-live readiness across multiple environments and stakeholders.

Available to hire

I am a Principal QA Engineer with 20+ years of experience delivering quality across complex, production-critical systems spanning enterprise SaaS, engineering platforms and financial systems. I define and lead end-to-end test strategies, drive QA initiatives and improve release confidence within Agile and CI/CD environments. I am skilled at SIT, UAT and regression testing, leading test execution, coordinating stakeholders and ensuring alignment between technical teams and business requirements.

I bring experience with large-scale system rollouts and multi-environment deployments, validating complex workflows, data processing and business-critical functionality. I am collaborative, delivery-focused, and proven at leading testing activities, managing risk, and supporting go-live readiness across multiple environments and stakeholders.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Principal QA Engineer at Parametric Technology Corporation (PTC)

January 1, 2014 - February 1, 2026

Led end-to-end testing across multiple environments for an early-stage enterprise engineering platform delivering CAD visualization and AR workflows across web, mobile and HoloLens. Defined and owned test strategy, coordinated testing activities with stakeholders and development teams, built scalable QA processes and regression suites, and validated releases through CI/CD pipelines. Executed functional, regression, exploratory, smoke and sanity testing across web, mobile (iOS/Android) and HoloLens, validated API-driven and JavaScript-based behavior, and managed defects end-to-end (Jira/Integrity). Supported UAT, investigated production issues, and contributed to release readiness with go/no-go recommendations.

BAU Test Team Leader at Target Group

January 1, 2011 - January 1, 2014

Led QA activities across multiple financial services projects, allocating workloads, mentoring team members and acting as Test Lead across up to eight concurrent projects. Directed BAU testing, UAT coordination and regression testing, improved testing processes, and ensured live system stability across releases. Managed environments, defect triage, and alignment with business requirements, delivering timely risk and progress reporting to stakeholders.

Senior QA Test Analyst at Parametric Technology Corporation (PTC)

January 1, 2004 - January 1, 2011

Delivered manual QA for Windchill and Creo View across Windows and UNIX environments. Managed QA teams (local and offshore), created and maintained test plans and regression suites, and supported cross-regional testing cycles. Executed a range of testing activities and supported defect lifecycle management, ensuring quality across enterprise engineering visualization software.