Sr. Test Engineer - API Testing Job

YASH Technologies is a leading technology integrator specializing in helping clients reimagine operating models, enhance competitiveness, optimize costs, foster exceptional stakeholder experiences, and drive business transformation.

At YASH, we’re a cluster of the brightest stars working with cutting-edge technologies. Our purpose is anchored in a single truth – bringing real positive changes in an increasingly virtual world and it drives us beyond generational gaps and disruptions of the future.

We are looking forward to hire API Testing Professionals in the following areas :

Job Description:

Job Title: Senior QA Engineer / Contractor (AI & Data Platforms)

Job Summary:

We are looking for a hands-on Senior QA Engineer to join our foundational data and AI platform team. In this role, you will be responsible for defining and executing comprehensive testing strategies for complex, cutting-edge foundational services. You will validate multi-tenant APIs, vector databases, knowledge graphs, LLM integration pipelines, Dataiku data science workflows, and agentic platforms. Your focus will be on building robust automated testing frameworks, ensuring high availability, and verifying data accuracy and security across our entire enterprise AI stack consumed by internal Client teams.

Relationships: Reports to Software Project Manager.

Essential Responsibilities and Duties:

• Designs, builds, and executes rigorous automated test strategies for foundational services, including vector databases, knowledge graphs, APIs, and LLM-based applications.

• Validates data integrity, retrieval accuracy, semantic relevance, and latency performance of vector search and knowledge graph query layers (e.g., Cypher, SPARQL, semantic matching).

• Performs comprehensive functional, integration, regression, and performance/load testing on AI and data platforms, including Dataiku workflows and multi-agent orchestration frameworks.

• Tests multi-tenant security boundaries, Role-Based Access Control (RBAC), and authentication mechanisms across cloud-managed and self-managed backends.