QA Engineer (AI Voice)

Team: QA1

Location: Poland

Commitment: Full-time

Workplace Type: remote

What you'll be doing

• Run E2E, API, integration, regression and release tests on voice journeys across markets and configurations.
• Prepare test data and expected outcomes, and support business testers during UAT.
• Run and extend the automated suites and evaluation sets designed by the Senior.
• Log defects with clear reproduction steps and transcripts, and follow them to closure.
• Flag risks and blockers early.

What we're looking for

• At least 3 years of experience in software QA.
• At least 1 year of experience in testing voice or conversational AI. 
• Hands-on voice agent testing: speech recognition and speech output basics, intents, latency, reading transcripts.
• Understanding why the same input can produce different AI outputs, and how to test for it.
• API testing and basic automation in Python or JavaScript/TypeScript.
• Jira or Azure DevOps and a test management tool.Troubleshooting from logs and transcripts.
• Clear written and verbal communication.
• Voice testing platforms (Hamming, Cekura, Coval, Botium) is a plus.
• Experience with LLM evaluation tools (Promptfoo, DeepEval, LangSmith) is a plus.
• Experience with Telephony basics (SIP, Twilio, Azure Communication Services) is a plus.
• ISTQB certification is a plus.
• Experience in Responsible-AI testing (PII, bias, safety) is a plus.
• Experience validating customer journeys across multiple markets is a plus.
• English at least B2.

We offer

• Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites.
• “Office as an option” model. You can choose to work remotely or in the office.
• Workation. Enjoy working from inspiring locations in line with our workation policy. 
• Great Place to Work® certified employer.
• Flexibility regarding working hours and your preferred form of contract.
• Comprehensive online onboarding program with a “Buddy” from day 1.
• Cooperation with top-tier engineers and experts.
• Unlimited access to the Udemy learning platform from day 1.
• Certificate training programs. Lingarians earn 500+ technology certificates yearly. 
• Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly.
• Grow as we grow as a company. 76% of our managers are internal promotions.
• A diverse, inclusive, and values-driven community.  
• Autonomy to choose the way you work. We trust your ideas.
• Create our community together. Refer your friends to receive bonuses.
• Activities to support your well-being and health.
• Plenty of opportunities to donate to charities and support the environment. 
• Modern office equipment. Purchased for you or available to borrow, depending on your location.