API Test Engineer / Senior E2E QA Engineer_W2 Only_Independent

We are seeking a highly experienced Senior E2E QA Engineer / API Test Engineer to own end-to-end quality across the Order-to-Activation lifecycle in a fast-paced e-commerce/telecom environment.

Key Responsibilities

• Lead and drive the E2E testing strategy across releases and own overall quality sign-off.
• Design, execute, and maintain E2E test scenarios covering:
  • Order
  • Provisioning
  • Activation
  • Fulfillment
  • Billing
• Validate downstream system behavior, including order creation, provisioning triggers, activation status, and billing/invoicing impacts.
• Create and manage test data across Order Management, CRM, Billing, and Provisioning systems.
• Use Kibana or similar monitoring/logging tools to trace transactions and troubleshoot failures.
• Lead release readiness meetings, triage calls, and war-room sessions.
• Perform detailed Root Cause Analysis (RCA) for E2E failures across multiple integrated systems.
• Coordinate effectively with onshore and offshore teams.
• Collaborate with Development, Product, Billing, CRM, and Business stakeholders.
• Mentor QA team members and establish E2E testing best practices.
• Ensure comprehensive test coverage across integrated systems and business workflows.

Required Skills & Experience

• 7+ years of QA/Testing experience with strong expertise in E2E and system integration testing.
• Strong understanding of Order, Provisioning, Activation, and Fulfillment workflows.
• E-commerce or Telecom domain experience preferred.
• Experience working with Billing and CRM systems.
• Strong API testing experience using REST/SOAP, Postman, or similar tools.
• Hands-on experience with Kibana for log analysis and transaction tracing.
• Experience creating and managing test data across integrated systems.
• Strong analytical, troubleshooting, debugging, and triage skills.
• Excellent stakeholder management and communication skills.
• Proven experience leading releases under tight deadlines.
• Experience working in onshore-offshore delivery models.
• Ability to work onsite in Philadelphia, PA and attend a face-to-face interview.