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Hi, I'm Hy Tien Phan, a results-driven Software Quality Assurance Engineer with 10+ years of hands-on and leadership experience ensuring the quality, safety, and reliability of complex software systems across healthcare, biotech, aerospace, IoT, DoD, FDA, water/waste, and commercial industries. I have deep expertise in Computer System Validation (CSV) and FDA 21 CFR Part 11/820, GAMP 5, AS9100D, CMMI ML4, MIL-STD-498 and DO-178B, and I apply SDLC/STLC frameworks (Agile, Scrum, Waterfall, Spiral) to deliver validated, reliable, and compliant solutions. I excel in end-to-end testing, integration, UI/UX, API testing, and QA process optimization, with a track record of improving test efficiency, reducing post-release defects, and ensuring regulatory compliance across mission-critical programs.…Hi, I'm Hy Tien Phan, a results-driven Software Quality Assurance Engineer with 10+ years of hands-on and leadership experience ensuring the quality, safety, and reliability of complex software systems across healthcare, biotech, aerospace, IoT, DoD, FDA, water/waste, and commercial industries. I have deep expertise in Computer System Validation (CSV) and FDA 21 CFR Part 11/820, GAMP 5, AS9100D, CMMI ML4, MIL-STD-498 and DO-178B, and I apply SDLC/STLC frameworks (Agile, Scrum, Waterfall, Spiral) to deliver validated, reliable, and compliant solutions. I excel in end-to-end testing, integration, UI/UX, API testing, and QA process optimization, with a track record of improving test efficiency, reducing post-release defects, and ensuring regulatory compliance across mission-critical programs.

Hy Tien Phan

QA Engineer, Web Developer, Full Stack Developer, +2

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Hi, I'm Hy Tien Phan, a results-driven Software Quality Assurance Engineer with 10+ years of hands-on and leadership experience ensuring the quality, safety, and reliability of complex software systems across healthcare, biotech, aerospace, IoT, DoD, FDA, water/waste, and commercial industries. I have deep expertise in Computer System Validation (CSV) and FDA 21 CFR Part 11/820, GAMP 5, AS9100D, CMMI ML4, MIL-STD-498 and DO-178B, and I apply SDLC/STLC frameworks (Agile, Scrum, Waterfall, Spiral) to deliver validated, reliable, and compliant solutions. I excel in end-to-end testing, integration, UI/UX, API testing, and QA process optimization, with a track record of improving test efficiency, reducing post-release defects, and ensuring regulatory compliance across mission-critical programs.…Hi, I'm Hy Tien Phan, a results-driven Software Quality Assurance Engineer with 10+ years of hands-on and leadership experience ensuring the quality, safety, and reliability of complex software systems across healthcare, biotech, aerospace, IoT, DoD, FDA, water/waste, and commercial industries. I have deep expertise in Computer System Validation (CSV) and FDA 21 CFR Part 11/820, GAMP 5, AS9100D, CMMI ML4, MIL-STD-498 and DO-178B, and I apply SDLC/STLC frameworks (Agile, Scrum, Waterfall, Spiral) to deliver validated, reliable, and compliant solutions. I excel in end-to-end testing, integration, UI/UX, API testing, and QA process optimization, with a track record of improving test efficiency, reducing post-release defects, and ensuring regulatory compliance across mission-critical programs.

Available to hire

Hi, I’m Hy Tien Phan, a results-driven Software Quality Assurance Engineer with 10+ years of hands-on and leadership experience ensuring the quality, safety, and reliability of complex software systems across healthcare, biotech, aerospace, IoT, DoD, FDA, water/waste, and commercial industries.

I have deep expertise in Computer System Validation (CSV) and FDA 21 CFR Part 11/820, GAMP 5, AS9100D, CMMI ML4, MIL-STD-498 and DO-178B, and I apply SDLC/STLC frameworks (Agile, Scrum, Waterfall, Spiral) to deliver validated, reliable, and compliant solutions. I excel in end-to-end testing, integration, UI/UX, API testing, and QA process optimization, with a track record of improving test efficiency, reducing post-release defects, and ensuring regulatory compliance across mission-critical programs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Software Application Test Engineer at Phillips Connect Technology

November 1, 2021 - April 1, 2024

Led IoT, mobile, and web testing initiatives in the transportation sector, ensuring product quality and system integration across software and hardware components. Built and managed a dedicated IoT Test Lab while collaborating with onshore and offshore cross-functional teams to deliver scalable, reliable connected solutions. Defined and executed BDD-driven test strategies for IoT devices, iOS/Android apps, and web platforms, standardizing QA processes and boosting test coverage. Conducted E2E, regression, UAT, and API testing using Postman and JSON validation, ensuring stable integrations and system reliability. Authored and maintained comprehensive test plans, test cases, and documentation, proactively identifying and resolving defects early in the cycle. Mentored QA engineers, improving testing efficiency, collaboration, and communication between onshore/offshore teams.

IT QA Analyst at Diskriter Inc. (OCSD Project)

March 1, 2020 - December 1, 2020

Served as a QA Analyst for the Orange County Sanitation District (OCSD) Water/Waste Pretreatment System modernization project, performing End-to-End (E2E), User Acceptance (UAT), and integration testing across enterprise applications. Ensured traceability, test coverage, and system compliance through meticulous validation planning, execution, and documentation. Developed and executed 75+ E2E test cases validating iPACS, GovOnline, and LabWare WebLIMS requirements, ensuring complete coverage. Designed and maintained Test Plans, Strategies, and Traceability Matrices linking functional requirements to validation results. Led UAT development and execution, improving cross-functional collaboration and delivery timelines. Managed the full defect life cycle and facilitated regression testing.

Software QA Engineer at Sysazzle Inc. (Balt USA ERP Project)

August 1, 2019 - December 1, 2019

Performed End-to-End and integration testing for the Balt USA ERP (Sage X3) implementation, validating core business processes such as Order Processing, Manufacturing, Purchase Orders, and Quality Assurance modules. Ensured traceability and regulatory alignment with ISO 13485, 21 CFR Part 820, and 21 CFR Part 11. Developed and maintained a Traceability Matrix (TM) linking requirements to test cases, ensuring bidirectional coverage. Collaborated with business process owners and developers to clarify requirements, resolve issues, and improve reliability pre-launch. Executed E2E and regression tests to ensure data coherence and system interoperability.

Flight Software Quality Assurance Engineer at Millennium Space Systems

April 1, 2019 - August 1, 2019

Supported spacecraft software verification and validation activities under AS9100D quality standards. Enhanced the regression testing framework through automation and process improvements, ensuring traceability and reliability in flight-critical systems. Developed and executed test plans, cases, and strategies for multiple spacecraft software applications, maintaining SDLC alignment. Implemented QA process improvements to strengthen AS9100D compliance and internal quality frameworks, and documented defects for debugging and corrective actions to improve system stability.

Software Engineer in Test at CoStar Group (Aparments.com)

May 1, 2018 - May 1, 2019

Led test automation initiatives for Apartments.com, designing, developing, and maintaining automation frameworks to enhance testing efficiency and product reliability across web and mobile platforms. Integrated automation into Agile sprints and collaborated with UI/UX, Backend, BA, PM, Product, and other QA teams to align automation with sprint goals. Executed manual and automated test suites validating functionality, UI/UX, data integrity, and End-to-End workflows across Desktop and Mobile web. Coached QA engineers in automation scripting and test design, improving regression coverage and release stability. Managed defect tracking and triage using Azure DevOps.

Software V&V and Compliance Engineer at Prolacta Bioscience Inc.

May 1, 2015 - May 1, 2018

Led software validation, verification, and compliance initiatives for FDA-regulated biotechnology operations. Ensured alignment with FDA 21 CFR Part 11/820, GAMP 5, ISO 9001:2008, and internal SDLC standards while driving software quality, process efficiency, and audit readiness across healthcare and manufacturing systems. Directed validation and qualification of UniPoint (eQMS) and LIMS (LabWare), authoring IQ/OQ/PQ and UAT protocols. Implemented MES to enhance production traceability and GMP compliance. Coordinated cross-functional collaboration to align validation deliverables with clinical, quality, and regulatory objectives and supported FDA/ISO audits.

Software QA Analyst (Automation) at Optomi LLC

August 1, 2014 - January 1, 2015

Specialized in automation testing for Bankruptcy Management Systems. Designed, developed, and executed manual and automated test suites to enhance reliability and coverage. Guided testing for USTForms Wizard and designed 500+ tests validating business logic, data workflows, and module integration. Integrated 50+ data-driven test cases into automation, increasing testing efficiency and regression validation. Collaborated with developers and QA peers to improve defect detection and overall software quality.

Software Integration & Test Engineer IV at Science Applications International Corporation (SAIC)

July 1, 2007 - August 1, 2011

Performed software integration and system testing for mission-critical defense applications, including FCS, SGUV, and Rapid Battlespace Deconflict (RBD). Ensured software reliability, interoperability, and compliance with MIL-STD-498, CMMI ML4, and ISO 9000 through rigorous testing, defect management, and configuration control. Recognized as a top performer, delivering high-reliability systems within project schedules. Validated test tools and environments for compatibility with deployment architectures and collaborated with OTP developers and integration teams to verify test scripts and resolve defects efficiently.

Staff Software Test Engineer at Panasonic Avionics Corporation

November 1, 2003 - December 1, 2005

Led integration and testing of In-Flight Entertainment (IFE) systems and interactive software, including iBrowser System 3000i and content for EVA Airways. Ensured software quality, safety, and DO-178B compliance through structured verification, integration, and user acceptance testing across multiple IFE platforms. Authored detailed test procedures, identified defects, and coordinated root-cause analyses to improve debugging efficiency. Maintained compliance with aviation safety standards and traceability throughout testing cycles.

Software Engineer in Test at CoStar Group (Apartments.com)

May 1, 2018 - May 1, 2019

Created manual and automated test cases for Apartments.com responsive web and mobile platforms. Led the enhancement of automation test frameworks using Selenium and SpecFlow. Increased regression test coverage across multiple browsers (Chrome, Firefox, Safari) and mobile devices. Worked alongside developers in Agile sprints to refine acceptance criteria and test scenarios. Validated functionality using both black-box and white-box techniques. Conducted regular smoke tests and exploratory testing sessions for new releases. Trained junior QA staff on test case writing and defect lifecycle management.

Software Integration & Test Engineer IV at SAIC

July 1, 2007 - August 1, 2011

Led integration and verification of command-and-control software for DoD systems. Conducted test readiness reviews and regression tests for SGUV and RBD projects. Authored test scripts and procedures using DOORS and executed SITL simulations. Interfaced with development and integration teams to resolve test discrepancies. Received multiple performance awards for testing excellence.

Software Development Engineer in Test at CoStar Group (Apartments.com)

May 1, 2018 - May 1, 2019

Led test automation initiatives for Apartments.com; designed, developed, and maintained an automation regression framework to boost testing efficiency and release stability; integrated automation into Agile sprint workflows; mentored QA engineers in automation scripting and test design; performed manual and automated testing across desktop and mobile web.