Senior Data Engineer (AWS, PySpark, Airflow)Employment Type: independant contractor About the Role We are looking for aSenior Data Engineerto join our Business Model & Pricing (BMP) Analytics team. In this role, you will design and build scalable data systems that power analytics, reporting, and AI/ML initiatives across the organization. You will work closely with data scientists, analysts, and business stakeholders to ensure reliable, high-quality data is available to drive strategic decisions. What You'll Do Design, build, and maintainscalable data pipelinesusing SQL, Python, and PySpark Develop and optimizedata models and data warehouse solutions(Snowflake, data lake) Implement and manageworkflow orchestrationusing Airflow Build and supportdata infrastructure on AWS Ensuredata quality, governance, and reliabilityacross systems Collaborate with analytics and business teams to deliverdata-driven solutions SupportAI/ML initiativesby enabling data pipelines and MLOps workflows Contribute todata products and applications(e.g., Streamlit dashboards, chatbot integrations) Drive best practices indata engineering, automation, and performance optimization Required Qualifications 5+ years of experience inData Engineering or Data Platform development Strong hands-on experience withSQL and Python Experience withPySpark / Spark (big data processing) Hands-on experience withAirflow or similar orchestration tools Strong experience withAWS (S3, Glue, EMR, Redshift, etc.) Experience withdata warehousing (Snowflake or similar) Solid understanding ofdata modeling, ETL/ELT, and data architecture Experience withGit and collaborative development workflows Strong problem-solving and communication skills Preferred Qualifications Experience withdata lake architecturesand hybrid environments Exposure toMLOps and machine learning pipelines Experience withStreamlit or data applications Familiarity withchatbots or conversational data interfaces Experience working inglobal or matrix organizations Contributions todocumentation platforms (Confluence, etc.)