Abhay Singh

About

Lead Data Engineer driving $100M+ in revenue impact by leading a team of 7 engineers building scalable data platforms, AI-powered automation, and enterprise analytics at 7-Eleven (Fortune 500).Currently building data infrastructure for McKinsey's Periscope Retail Intelligence Platform and owning 7-Eleven's payment data ecosystem across 13,000+ stores — while mentoring engineers and driving architecture direction for the team.𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝Enterprise-grade data platforms on Databricks, Azure, Apache Spark, PySpark, Kafka, and Delta Lake. I specialize in Medallion Architecture, real-time streaming pipelines, Lakehouse design, and high-throughput ETL/ELT systems.Key projects: Periscope (McKinsey Retail Intelligence) | Dispute Automation Platform ($30K/month saved, 63% win rate) | Invoice Automation (60 days to 2 days) | AI Workflow AutomationStack: Databricks | PySpark | Delta Lake | Azure Data Factory | Azure Synapse | ADLS Gen2 | Kafka | Python | SQL | Scala | Unity Catalog | Medallion Architecture𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩Leading a team of 7 engineers — owning architecture reviews, technical design decisions, and career growth plans, while partnering directly with Product, McKinsey, and VP-level stakeholders on data strategy.𝐂𝐚𝐫𝐞𝐞𝐫 𝐉𝐨𝐮𝐫𝐧𝐞𝐲7-Eleven (Lead Data Engineer, current): $100M+ revenue impact, team of 7, McKinsey PeriscopeA.P. Moller - Maersk (3+ years): Cloud migration, 92% ML accuracy, 99.9% ETL accuracyMAQ Software (2+ years): Data warehousing, BI, and SSAS/SSIS foundations𝐁𝐞𝐲𝐨𝐧𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠45,000+ LinkedIn followers | 500+ students mentored | Top Data Engineering Voice on LinkedIn | Daily content on Databricks, Spark performance, and data platform architecture.Certifications: Databricks Certified Data Engineer AssociateOpen to: Staff / Principal / Lead DE and Data Platform Engineering roles. DM to connect.