Senior QA Engineer

About The Company
IDT Corporation is a globally recognized telecommunications and technology company dedicated to providing innovative communication solutions. With a strong presence in Mexico and around the world, IDT leverages cutting-edge technology to deliver reliable voice, data, and digital services to consumers and enterprise clients. The company's commitment to innovation, quality, and customer satisfaction has established it as a leader in the telecommunications industry. IDT's focus on continuous improvement and technological advancement ensures that it remains at the forefront of the evolving communications landscape, offering scalable solutions tailored to meet diverse client needs.
About The Role
We are seeking an experienced Senior QA Engineer to join IDT Corporation’s dynamic team in Mexico. This pivotal role involves owning the quality assurance process for our advanced AI voice virtual agent, which encompasses large language models (LLMs), speech recognition, and telephony layers. The ideal candidate will be responsible for designing comprehensive evaluation strategies to assess non-deterministic outputs, ensuring that the AI system performs reliably and accurately across various scenarios. Additionally, this role requires ensuring that all latency constraints are consistently met to deliver a seamless user experience. The Senior QA Engineer will work closely with cross-functional teams, including developers, data scientists, and product managers, to maintain high-quality standards and facilitate continuous improvement.
Qualifications
Bachelor’s degree in Computer Science, Software Engineering, or a related field; advanced degrees are a plus.
Proven experience in quality assurance, especially within AI, speech recognition, or telephony systems.
Strong understanding of SIP/VoIP protocols and hands-on experience with SIP/VoIP testing.
Proficiency in Python for automation scripting and testing frameworks.
Experience with Playwright, WebRTC, or similar web automation and real-time communication tools.
Familiarity with Agile methodologies, particularly Scrum, and collaborative team environments.
Excellent analytical, problem-solving, and communication skills.
Ability to design and implement evaluation strategies for complex AI systems with non-deterministic outputs.
Responsibilities
Design, develop, and execute comprehensive test plans and evaluation strategies for the AI voice virtual agent, focusing on speech recognition, language understanding, and telephony layers.
Perform hands-on testing of SIP/VoIP systems to identify and troubleshoot issues related to call quality, latency, and connectivity.
Automate testing processes using Python scripts to improve efficiency, coverage, and repeatability.
Collaborate with development teams to understand system architecture and identify potential quality issues early in the development cycle.
Monitor system performance to ensure latency constraints are consistently met, and optimize processes to enhance system responsiveness.
Contribute to continuous improvement initiatives by analyzing test results, documenting defects, and providing actionable feedback.
Participate in daily Scrum meetings, sprint planning, and retrospectives to ensure alignment with project goals and timelines.
Stay updated on industry best practices, emerging technologies, and evolving standards in AI, speech recognition, and telephony testing.
Benefits
Competitive salary package aligned with industry standards.
Flexible remote work arrangements to promote work-life balance.
Health insurance coverage for employees and their dependents.
Opportunities for professional growth and development through training and certifications.
Inclusive and collaborative work environment fostering innovation and teamwork.
Paid time off and holidays to support personal well-being and family commitments.
Participation in cutting-edge projects at the forefront of AI and telecommunications technology.
Equal Opportunity
IDT Corporation is an equal opportunity employer committed to fostering an inclusive workplace. We celebrate diversity and are dedicated to creating an environment where all employees are valued, respected, and empowered to contribute their unique perspectives. We do not discriminate based on race, gender, age, religion, sexual orientation, disability, or any other characteristic protected by law. We believe that a diverse workforce enhances our ability to innovate and serve our global community effectively.

Work arrangement
Yes