QA Engineer (AI Voice)

Lingaro Group; Polska; Hybrid; PLN 90,000 - 130,000; Full time

Benefits offered by this job

Stable employment

Office as an option model

Workation

Great Place to Work certified employer

Flexible hours and contract options

Comprehensive onboarding with a buddy

Collaboration with top-tier engineers

Udemy learning platform access

500+ technology certificates yearly

Upskilling support and training

Internal promotions (76%)

Diverse and inclusive community

Autonomy in how you work

Referral bonuses

Well-being and health initiatives

Charity and environment support

Modern office equipment

Job summary

Lingaro Group is seeking a QA professional to run E2E, API, integration, and regression tests for voice journeys across multiple markets and configurations. You will prepare test data, support UAT, and maintain automated test suites.

Defect logging with transcripts and proactive risk management are essential. Prerequisites include 3+ years in software QA, 1+ year in voice testing, strong communication in English, and familiarity with Jira/Azure DevOps and test management tools.

Qualifications

• 3+ years in software QA with focus on voice/conversational AI.
• Experience testing voice agents: ASR, TTS, intents, latency, transcripts.
• Excellent written and verbal communication in English.

Responsibilities

• 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 automated suites and evaluation sets designed by Senior.
• Log defects with clear reproduction steps and transcripts, and follow them to closure.
• Flag risks and blockers early.

Skills

Voice testing

QA testing

Test data analysis

English (B2)

Clear communication

Logs and transcripts troubleshooting

Education

ISTQB certification

Tools

Jira

Azure DevOps

Test management tool

Job description

Growth through diversity, equity, and inclusion. As an ethical business, we do what is right — including ensuring equal opportunities and fostering a safe, respectful workplace for each of us. We believe diversity fuels both personal and business growth. We're committed to building an inclusive community where all our people thrive regardless of their backgrounds, identities, or other personal characteristics.

Tasks:

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.

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.

Missing one or two of these qualifications? We still want to hear from you! If you bring a positive mindset, we'll provide an environment where you feel valued and empowered to learn and grow.

What we offer:

• Stable employment. On the market since 2008, 1800+ 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.
• Possibility of access to the Udemy learning platform.
• 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.