Lingaro

Turns data into AI-driven business insights

QA Engineer - AI Voice

Manual & Functional QAConfirmed live in the last 24 hours

Full-timeRemote in PolandNo salary listed

About the Job

Requirements

At least 3 years of experience in software quality assurance.
At least 1 year of experience testing voice or conversational artificial intelligence.
Hands-on experience testing voice agents, including speech recognition and speech output basics, intents, latency, and reading transcripts.
Understanding why the same input can produce different artificial intelligence outputs and how to test for this.
Experience with application programming interface testing and basic automation in Python or JavaScript/TypeScript.
Experience with Jira or Azure DevOps and a test management tool.
Ability to troubleshoot from logs and transcripts.
Clear written and verbal communication.
English proficiency of at least B2.

Responsibilities

Run end-to-end, application programming interface, integration, regression, and release tests on voice journeys across markets and configurations.
Prepare test data and expected outcomes, and support business testers during user acceptance testing.
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.

Desired Qualifications

Experience with voice testing platforms such as Hamming, Cekura, Coval, or Botium.
Experience with large language model evaluation tools such as Promptfoo, DeepEval, or LangSmith.
Experience with telephony basics, including Session Initiation Protocol, Twilio, or Azure Communication Services.
ISTQB certification.
Experience in responsible artificial-intelligence testing, including personally identifiable information, bias, and safety.
Experience validating customer journeys across multiple markets.

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.

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.

About the Company

Lingaro

Turns data into AI-driven business insights

Lingaro helps large organizations turn data into business value. It provides end-to-end data and AI services, from strategy and advisory to building scalable data platforms and AI solutions. Its team turns complex data into actionable insights, advanced analytics, and AI-driven automation, enabling faster decisions and greater efficiency. Lingaro distinguishes itself with global reach rooted in Europe, strong engineering expertise, agility, and deep industry knowledge, serving 75+ brands in 30+ countries, including highly regulated sectors. As a long-term transformation partner, the company aims to make organizations data-ready, AI-ready, and future-ready, delivering measurable business impact across teams and processes.

Company size: 1,001-5,000
Company stage: Not listed
Total funding: Not listed
Headquarters: Warsaw, Poland
Founded: 2008

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