Senior Software Development Engineer in Test (SDET)

Stack

Responsibilities

• ▹Design and maintain automated test frameworks (Playwright, Cypress, Selenium)
• ▹Develop integration and end-to-end test suites
• ▹Implement load and performance testing (k6 or similar)
• ▹Integrate automated testing into CI/CD pipelines (Git, Drone CI, Argo CD, Kubernetes)
• ▹Drive test coverage, defect reporting and quality metrics across delivery teams
• ▹Advocate for QA best practices and an automation-first mindset

Requirements

• ▹7+ years in software testing or automation engineering
• ▹Strong programming skills in Python or TypeScript/JavaScript
• ▹Hands-on experience with Playwright, Cypress or Selenium
• ▹API testing experience (REST/GraphQL)
• ▹Experience with k6 or other load testing tools
• ▹Familiarity with CI/CD, containerized systems and Kubernetes
• ▹Experience working in Agile (Scrum) teams
• ▹Bachelor's degree in Computer Science, Software Engineering or related field

Nice to have

• ▹Exposure to AI/ML systems and model testing
• ▹Familiarity with data validation frameworks (Great Expectations, Pandas)
• ▹Awareness of MLOps, Data Drift or Model Drift detection
• ▹Experience testing generative AI or AI agents

Soft skills

About the company

Unifonic is a SaaS communications platform with 500 employees, serving 5,000+ customer-centric companies, and a certified Great Place to Work.