EXL

Senior QA Engineer - GenAI, VoiceAI, Telephony, and IVR testing

EXL  •  Noida, IN (Onsite)  •  4 days ago
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Job Description

Technical Skills

  • 8–10 years of experience in software testing.
  • Hands-on experience in GenAI / LLM testing, prompt validation, response evaluation, and guardrail testing.
  • Strong experience in VoiceAI systems, ASR/TTS validation, voice bot testing, and multimodal testing.
  • Proven experience in Telephony and IVR testing—SIP, call flows, routing, voice apps, VXML, CCaaS platforms.
  • Experience testing cloud-based communication platforms.
  • Familiarity with conversational design, NLP/NLU testing, and VoiceBot frameworks.
  • Experience with API testing tools (Postman, REST Assured), log analysis, and debugging.
  • Good understanding of automation frameworks and scripting languages (Python, Java, or similar).

Soft Skills

  • Strong communication and analytical skills.
  • Ability to work with cross-functional teams.
  • Self-driven, detail-oriented, and capable of working in fast-paced environments.

Key Responsibilities

1. Testing & Quality Assurance

  • Conduct functional, regression, integration, and system testing for GenAI and VoiceAI-based applications
  • Perform IVR testing, including call flows, speech recognition, prompts, routing, and fallback handling.
  • Validate telephony-related components, including SIP (Session Initiation Protocol), call events, call transfers, call queue logic, and agent workflows.
  • Ensure AI guardrails (content moderation, safety filters, hallucination checks) are thoroughly tested and validated.
  • Test conversational flows, voice prompts, LLM responses, ASR (Automatic Speech Recognition), and TTS (Text-to-Speech) output quality.

2. Quality Framework & Process

  • Develop and maintain test strategy, test plans, test cases, and automation frameworks
  • Work closely with product owners, architects, and engineering teams to review requirements and define acceptance criteria.
  • Ensure adherence to QA best practices and contribute to continuous improvement of processes.

3. Tools & Automation

  • Leverage automation tools for IVR and telephony testing (e.g., BlueJay, Cyara, Empirix, custom automation).
  • Write and execute automation scripts.
  • Analyze logs from AI services, telephony servers, call routers, and backend systems.

4. Reporting & Documentation

  • Document defects, track them to closure, and communicate quality risks proactively.
  • Provide clear test reports, dashboards, and quality metrics to stakeholders.

Preferred Qualifications

  • Experience working on AI-driven contact center solutions or conversational AI platforms.
  • Immediate joiners.
  • Exposure to safety/guardrail frameworks in LLM or VoiceAI systems.
  • Certifications in testing, cloud platforms, or telephony systems (ISTQB, AWS, etc.).
EXL

About EXL

Choosing a digital partner is about more than capabilities — it’s about collaboration and character.

Unrealistic overhauls and off-the-shelf products ignore what matters most — your unique needs, culture, goals, and your legacy data and technology environments.

At EXL, our collaboration is built on ongoing listening and learning to adapt our methodologies. We’re your business evolution partner—tailoring solutions that make the most of data to make better business decisions and drive more intelligence into your increasingly digital operations.

Whether your goals are scaling the use of AI and digital, redesign operating models, or driving better and faster decisions, we’re here to partner with you to help you gain—and maintain—competitive advantage with efficient, sustainable models at scale.

Our expertise in transformation, data science, and change management helps make your business more efficient and effective, improve customer relationships and enhance revenue growth. Instead of focusing on multi-year, resource- and time-intensive platform designs or migrations, we look deeper at your entire value chain to integrate strategies with impact.

We use our specialization in analytics, digital interventions, and operations management—alongside deep industry expertise — to deliver solutions that help you outperform the competition.

At EXL, it’s all about outcomes—your outcomes—and delivering success on your terms. Share your goals with us and together, we’ll optimize how you leverage data to drive your business forward.

For more information, visit www.exlservice.com.

Industry
Consulting & Advisory
Company Size
10,000+ employees
Headquarters
New York, NY
Year Founded
Unknown
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