Quality Engineer II

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

About the role As a Quality Engineer, you'll join the Software Quality Engineering organization and help ensure every Five9 release is reliable. You'll work in a delivery team that owns an end-to-end, complex backend solution, building automated tests for our web frontend and REST APIs using a Python-based framework. You'll grow your skills with support from senior engineers. What you'll do

• Write, maintain, and run end-to-end automated tests for the Five9 Virtual Contact Center application as part of a delivery team.
• Analyze test results using framework and product logs, and investigate failures with guidance from senior teammates when needed.
• Contribute to the Python automation framework and internal tools by implementing features and fixes.
• Help improve test stability and efficiency, including reducing flaky tests.
• Collaborate with Development, DevOps, and TechOps to resolve issues and clarify testing needs.
• Take part in Agile ceremonies (stand-ups, sprint planning, Increment planning) and share ideas for improving our tools and processes.

What you bring

• 2 to 4 years of experience in test automation or a similar role.
• Hands-on experience with Python 3 or another OOP language.
• Good understanding of programming fundamentals, including OOP.
• Experience automating REST APIs or similar interfaces.
• Working knowledge of Linux.
• Understanding of the software development lifecycle and testing methodologies.
• Experience with Git and an issue tracker such as JIRA.
• Strong analytical and troubleshooting skills, and a collaborative, curious mindset.

Nice to have

• Experience with Selenium.
• Familiarity with test frameworks (pytest, Robot Framework).
• Exposure to CI/CD tools (Jenkins, GitLab CI, GitHub Actions).
• Basic knowledge of Docker or cloud environments.
• Interest in contact center or telephony technologies.
• Familiarity with multithreading or concurrency concepts.

Workplace location:This role is fully remote for candidates who reside outside Porto, Maia, Matosinhos, Gondomar, Valongo e Vila Nova de Gaia. Candidates who reside within those municipalities would be required to work in-office 3 days a week. Benefits:

• Five9 Shares
• Bonus Scheme
• 10% Flex Benefit
• Meal Allowance
• Medical Insurance
• Life Insurance
• 25 day Annual Leave + Public Holidays

Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer. Five9 is committed to providing reasonable accommodations for qualified individuals with disabilities throughout the application and interview process. If you need assistance or an accommodation due to a disability, please contact us at to request an accommodation. Requests will be handled confidentially and in accordance with applicable law.

View our privacy policy, including our privacy notice to California residents here: .

Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.