QA Senior Lead – API, Data & Cloud Platform Testing

Job Title: QA Senior Lead API Data & Cloud Platform Testing

Location: Canada (Remote)
Employment Type: Full-Time and Contract

Project Overview

We are building a large-scale cloud-native media content platform that manages end-to-end ingestion processing storage and consumption of millions of media assets including articles videos and audio content.

The platform processes massive datasets (100GB) and powers advanced search capabilities including:

• Keyword Search
• Category-Based Search
• AI-Driven Semantic Search

We are looking for a QA Senior Lead to own and drive quality assurance across the entire ecosystem. This role requires strong expertise in API testing large-scale data validation automation architecture performance testing and cloud-native systems.

Key Responsibilities

QA Leadership & Strategy

• Lead and mentor a team of QA Engineers.
• Define and drive the overall QA strategy.
• Champion Shift-Left testing practices across the SDLC.
• Partner with Product Engineering and DevOps teams to ensure quality objectives are achieved.

End-to-End API & Pipeline Testing

• Own testing strategy across the complete data lifecycle.
• Validate:
  • Data Ingestion Pipelines
  • Processing Workflows
  • Storage Systems
  • Consumption APIs
• Test SNS/SQS integrations scheduled jobs and search APIs.
• Validate Keyword Category and Semantic Search functionality.

Large-Scale Data Validation

• Validate millions of JSON records.
• Work with:
  • AWS S3
  • Athena
  • SQL
  • Glue Crawlers
• Ensure accuracy of:
  • Metadata Mapping
  • Date Logic
  • Licensable Content Filtering
  • Publication Data

Automation Framework Development

• Design and maintain scalable automation frameworks using:
  • JavaScript Jest
  • Python PyTest
• Implement:
  • API Automation
  • JSON Schema Validation
  • CI/CD Quality Gates
• Integrate testing into AWS CodeBuild pipelines.

Performance & Load Testing

• Design and execute load testing using Locust.
• Analyze system bottlenecks across:
  • ALB
  • ECS
  • APIs
  • Search Services
• Validate API latency (P95/P99).
• Measure semantic search performance and throughput.

Observability & Documentation

• Build and maintain dashboards using:
  • New Relic
  • OpenSearch
• Create and maintain:
  • Test Strategies
  • Test Plans
  • Edge Case Documentation
  • Performance Reports
• Maintain Confluence documentation.