CSS, Sql, Devops, Angular, Xml, Etl Tools, Git, Javascript, Pytest, Bootstrap, Json, Html5, Python, testing lineage reproducibility, model-centric regression testing, ML-oriented data pipeline tools, release management and bug tracking tools, Swagger UI, AI governance framework, data validation frameworks, ML-specific API testing, API testing using Postman, debugging tools Fiddler, R, automated metrics validation, Azure cloud infrastructure