GSB Solutions is HIRING A

Manual QA Tester – IVA/IVR, English and Spanish Conversational

📍 Mexico

💵 MX$42,000 / month

🌐 Fully RemoteFull Time
POSTED February 23, 2026

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Tech Stack: iOS Postman

Important IT company At the Latin American level, growth requires:

Manual QA Tester – IVA/IVR (English and Spanish Converstional)

Language requirement:

  • Native or fluent Spanish (required).
  • Advanced conversational English (required).

Native or fluent Spanish (required).

Advanced conversational English (required).

We are looking for an experienced Manual QA Tester – IVA/IVR (Spanish speaker) with extensive experience in test planning, independent execution, troubleshooting, log analysis, and AI-powered conversational systems. Hands-on experience designing complete test cases from business and technical requirements, validating complex voice/IVA systems, analyzing logs, and ensuring a high-quality user experience on voice and conversational platforms requires a deep practical understanding—not just theoretical familiarity—of QA fundamentals, AI/agent testing, and UX validation.

Required qualifications:

  • 4+ years of experience in manual quality assurance.
  • Proven experience testing IVR/IVA/conversational systems.
  • Solid experience in test planning, test case creation, and independent test execution.
  • Experience managing the entire defect lifecycle.
  • Hands-on experience in log verification and technical troubleshooting.
  • Experience testing AI- or NLP-driven systems.
  • Solid understanding of conversational design principles.
  • Experience with API testing tools (Postman, SOAP UI, etc.).
  • Experience using Jira or similar defect management tools.
  • Native or fluent Spanish (required for conversational validation).

4+ years of experience in manual quality assurance.

Proven experience testing IVR/IVA/conversational systems.

Solid experience in test planning, test case creation, and independent test execution.

Experience managing the entire defect lifecycle.

Hands-on experience in log verification and technical troubleshooting.

Experience testing AI- or NLP-driven systems.

Solid understanding of conversational design principles.

Experience with API testing tools (Postman, SOAP UI, etc.).

Experience using Jira or similar defect management tools.

Native or fluent Spanish (required for conversational validation).

Key Competencies:

  • Strong analytical and critical thinking skills.
  • Ability to translate requirements into complete test scenarios.
  • Strong problem-solving mindset.
  • Attention to detail in conversational and user experience design.
  • Clear and structured defect reporting.
  • Ability to work independently with minimal supervision.

Strong analytical and critical thinking skills.

Ability to translate requirements into complete test scenarios.

Strong problem-solving mindset.

Attention to detail in conversational and user experience design.

Clear and structured defect reporting.

Ability to work independently with minimal supervision.

Responsibilities:

1. Test Planning and Test Case Design:

  • Analyze business requirements, technical specifications, and conversational designs.
  • Develop detailed test plans, test strategies, and traceability matrices.
  • Translate requirements into structured, high-coverage test cases.
  • Ensure complete functional coverage, including edge cases and negative paths.
  • Identify risks, dependencies, and gaps in testing early in the lifecycle.

Analyze business requirements, technical specifications, and conversational designs.

Develop detailed test plans, test strategies, and traceability matrices.

Translate requirements into structured, high-coverage test cases.

Ensure complete functional coverage, including edge cases and negative paths.

Identify risks, dependencies, and gaps in testing early in the lifecycle.

2. Testing and Troubleshooting:

  • Independently run manual functional, regression, integration, and UAT tests.
  • Validate end-to-end IVR/IVA flows, including conversational routes and backend integrations.
  • Troubleshoot voice systems, APIs, and backends.
  • Reproduce, isolate, and document defects with clear root cause analysis.
  • Collaborate effectively with development and product teams to resolve defects.

Independently run manual functional, regression, integration, and UAT tests.

Validate end-to-end IVR/IVA flows, including conversational routes and backend integrations.

Troubleshoot voice systems, APIs, and backends.

Reproduce, isolate, and document defects with clear root cause analysis.

Collaborate effectively with development and product teams to resolve defects.

3. Log Analysis and Technical Validation:

  • Perform log analysis to validate system behavior and troubleshoot issues.
  • Verify backend transactions and API interactions using logs.
  • Analyze system responses, error traces, and performance metrics.
  • Validate speech recognition, intent resolution, and response handling using logs where appropriate.

Perform log analysis to validate system behavior and troubleshoot issues.

Verify backend transactions and API interactions using logs.

Analyze system responses, error traces, and performance metrics.

Validate speech recognition, intent resolution, and response handling using logs where appropriate.

4. AI/IVA/Agent Testing:

  • Test AI-powered conversational systems (chatbots, voice bots, IVR systems).
  • Validate the accuracy of intent recognition, entity extraction, context retention, conversational transitions, and multi-turn dialogues.
  • Understand agent workflows and decision-based conversational pathways.
  • Identify conversational boundary cases and AI misinterpretations.
  • Support training data validation and conversational model updates.

Test AI-powered conversational systems (chatbots, voice bots, IVR systems).

Validate the accuracy of intent recognition, entity extraction, context retention, conversational transitions, and multi-turn dialogues.

Understand agent workflows and decision-based conversational pathways.

Identify conversational boundary cases and AI misinterpretations.

Support training data validation and conversational model updates.

5. User Experience and Conversational Testing:

  • Evaluate the user experience on voice and conversational platforms.
  • Validate the clarity of prompts, tone and linguistic accuracy (Spanish), navigation logic, menu usability, and error message clarity.
  • Identify pain points and usability issues.
  • Ensure a consistent experience across all channels (voice, web, mobile).

Evaluate the user experience on voice and conversational platforms.

Validate the clarity of prompts, tone and linguistic accuracy (Spanish), navigation logic, menu usability, and error message clarity.

Identify pain points and usability issues.

Ensure a consistent experience across all channels (voice, web, mobile).

If you are a foreingner residing in Mexico, you must have a valid INE, CURP, NSS and RFC.

Job Type:

Location:

Salary:$42,000 MXN gross

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