Principal Quality Assurance Engineer - Transportation Systems

About the Company

Publix Super Markets, Inc., the largest employee‑owned company in the U.S., is driven by a dynamic technology team of 2,300+ professionals delivering innovative solutions to 1,400+ stores and 200,000+ associates across 8 states. From IT security and platform engineering to architecture, software development, and infrastructure, we offer career opportunities at every level—internships through technical leadership. Join a company consistently ranked among Fortune’s “100 Best Companies to Work For” and help us build more than just great subs—build the future of technology at Publix.

Join the Publix Transportation Systems Development Team as a Principal Quality Assurance Engineer. Our team is growing, and we are looking for a Principal QA Engineer to add to our winning culture and track record of delivering exceptional solutions to our users. This position will plan, coordinate, and execute testing of applications that support Transportation systems. In this role, you will analyze acceptance criteria to create test plans and automated testing frameworks for UI, unit, and integration testing.

Hybrid (Lakeland, FL). Enjoy the best of both worlds—collaborate in person and innovate remotely.

• Hybrid Flexibility:
  Work remotely when you need focus time, and join us onsite for high‑impact collaboration and brainstorming sessions.
• Operational Efficiency:
  Ensure technology solutions support efficient workflows and enable automation to improve operational effectiveness.
• Cutting‑Edge AI Projects:
  Drive innovation in AI platforms, integrating advanced tools and frameworks to solve complex business challenges.
• Empowered Culture:
  We value autonomy, creativity, and continuous learning—your ideas shape the future of technology in our organization.

• Lead software and product testing for Transportation Systems
• Establish and implement quality assurance processes and testing strategies
• Mentor QA Engineers in best practices and automated test frameworks
• Ensure QA activities are performed throughout the project lifecycle
• Participate in requirements and design meetings to estimate testing efforts
• Develop detailed test plans and translate documentation into test scenarios
• Create and manage test cases, sets, and scripts using Azure Dev Ops
• Design, develop, and execute automated tests
• Prepare test data and execute manual and automated test scripts
• Track defects and facilitate problem resolution
• Present testing results for go/no‑go decisions
• Operate in an agile environment with frequent code releases
• Participate in application validation for production support

• Bachelor’s degree in Computer Science or a related analytical field or equivalent experience
• 6+ years of experience in software testing and quality assurance for backend, platform, or workflow‑based systems
• 4+ years of experience designing and executing test automation strategies for C# applications, including development of automated test frameworks using tools such as Playwright, Selenium or Rest Sharp
• 4+ years of experience creating and executing manual and automated test cases across APIs, services, and enterprise applications
• 3+ years of experience using Azure Dev Ops (or similar tools) for test case management, defect tracking, and CI/CD integration
• 3+ years of experience mentoring or leading QA engineers
• Solid experience validating API‑driven systems and distributed workflows
• Working knowledge of SQL and database validation techniques
• Experience collaborating with engineers, analysts, and product owners to translate business risk into testable criteria

• Familiarity with .NET‑based test frameworks (e.g., NUnit, xUnit) and/or Python‑based testing frameworks
• Experience validating RESTful APIs and JSON payloads using tools such as Postman, SoapUI, or automation libraries
• Exposure to testing AI‑enabled systems (e.g., LLM‑powered workflows, OCR, classification, anomaly detection), even at an integration level
• Experience integrating automated tests into Azure Dev Ops Pipelines and CI/CD workflows
• Understanding of logging, monitoring, and observability concepts for validating…