Sr, Python SDET

• *Experience:**

5\+ years of experience

• *Responsibilities****Billing \& Functional Testing**

• Validate ingestion, enrichment, rating and billing workflows
• Test contracts, line items and rate\-card configurations
• Test PayG, term and hybrid pricing models
• Thoroughly automate new UI feature testing

• *Automation \& Frameworks*** Own automation for backend APIs and end\-to\-end billing workflows
• Build reusable test\-data and automation frameworks
• Integrate automated tests into CI/CD

• *Billing Accuracy \& Data Validation*** Validate expected vs. actual billing results
• Test recalculations and deterministic rating
• Validate data ingestion and reconciliation

• *Reliability*** Test idempotency, retries and delayed usage
• Cover billing\-period and recalculation scenarios
• Support production validation and troubleshooting

• *Engineering aspects*** Own Round\-1 automation code reviews

• *Skillset****Test Automation*** Strong API and backend test automation experience
• Python 3 and scripting for automation
• CI/CD and automated regression frameworks

• *API \& Backend Testing*** REST API testing and automation
• End\-to\-end and integration testing of distributed systems
• Strong understanding of backend behavior and failure scenarios
• Async/event\-driven workflow testing
• Strong distributed systems knowledge

• *Data \& Cloud Testing*** SQL and relational database validation
• Test\-data generation and data reconciliation
• AWS fundamentals — Lambda, ECS and RDS

• *Quality \& Debugging*** Strong debugging and root\-cause analysis skills
• Logs, metrics and trace\-based debugging
• Performance/load testing basics
• Strong attention to edge cases, accuracy and data correctness
• Ability to build reliable automation for systems with significant customer or financial impact

• *Engineering \& AI*** AI\-driven testing and development using modern coding and test\-generation tools
• Billing, financial or data\-intensive systems experience is a plus

• *Qualification**

B.Tech / B.E / M.E. / M.Tech (Computer Science) / MCA or equivalent