Avaya - Senior Quality Assurance Engineer - SDET & Manual Testing.

Role Overview : We are seeking a highly skilled and detail-oriented Senior QA Engineer with deep expertise in Functional System Testing, End-to-End (E2E) Validation, and Integration Testing with Contact Center domain workflows in a SaaS cloud platform. Core Responsibilities : - Design and execute comprehensive Functional, System, Integration, and End-to-End test scenarios for complex contact center workflows. - Expertise in heuristic-driven, Mind Map Driven Test Exploration and advanced risk-based exploratory testing across distributed enterprise systems. - Proven capability in identifying intermittent, concurrency, resiliency, and workflow integration defects. - Validate omnichannel customer journeys including voice, chat, email, routing, reporting, analytics, agent desktop, and supervisor workflows. - Perform deep integration testing across APIs, microservices, databases, event streams, backend services, and third-party systems. - Apply advanced exploratory testing techniques to uncover edge-case defects, workflow inconsistencies, concurrency issues, and hidden integration failures. - Drive critical-thinking-based testing by identifying risk areas, unusual user behaviors, negative scenarios, and high-impact business failure points. - Design extensive test permutations and combinations across configurations, workflows, user roles, deployments, and data variations. - Perform backend validation using SQL/NoSQL databases and log analysis to validate data integrity and transaction consistency. - Analyze production-like customer workflows and simulate real-world operational scenarios under complex enterprise configurations. - Execute regression, impact analysis, sanity, and cross-functional validation for releases, patches, and hotfixes. - Collaborate closely with Product Management, Development, DevOps, and Architecture teams to clarify requirements and improve product quality. - Create high-quality defect reports with strong root-cause analysis, reproducibility, business impact assessment, and troubleshooting details. - Participate actively in Agile ceremonies, release readiness reviews, and quality risk discussions. Key Technical Expectations : - Strong expertise in Functional Testing, System Testing, Integration Testing, and End-to-End Testing methodologies. - Strong understanding of Contact Center domain workflows and enterprise communication platforms. - Hands-on experience validating distributed cloud-based applications and microservices architectures. - Excellent exploratory testing capability with investigative and analytical mindset. - Experience designing complex test matrices, scenario permutations, and workflow combinations. - Strong debugging and troubleshooting skills using logs, APIs, databases, and monitoring tools. - Good understanding of REST APIs, backend validation, and integration points. - Experience validating customer-facing workflows across UI, backend, and data layers. - Experience working in Agile/Scrum environments with fast-paced release cycles. - Ability to independently drive quality initiatives and identify product risks proactively. Preferred Experience : - Prior experience in Contact Center, Unified Communications, CX, or SaaS platforms. - Exposure to omnichannel communication systems and enterprise workflow validation. - Experience with cloud platforms such as Azure, AWS, or GCP. - Understanding of enterprise-scale integrations and distributed systems behavior. - Knowledge of monitoring, observability, and production diagnostics tools. Behavioral Expectations : - Strong ownership mindset and accountability toward product quality. - Exceptional analytical and critical-thinking skills. - Ability to challenge assumptions and think beyond documented requirements. - Excellent communication and collaboration skills across cross-functional teams. - Ability to work under pressure and manage multiple parallel testing activities. Ideal Candidate Profile : - The ideal candidate is a highly investigative QA professional who thrives on breaking complex systems, uncovering hidden defects, and validating enterprise-grade customer workflows with precision and depth.