Sehaj Shangari
Data Architect | Azure Architect | Data Factory · Databricks · PySpark · SQL · Delta Lake · Fabric | Building Enterprise Data Solutions
- Role
- Senior Manager Data Engineering at Decisiontree Analytics & Services
- Location
- Gurugram, HR, IN
- LinkedIn followers
- 500 followers
About Sehaj Shangari
I am a Data Architect with 13+ years of experience designing and delivering end-to-end data solutions, specializing in building scalable architectures that move data seamlessly from source systems to actionable insights.Currently, I lead a $1.1M enterprise initiative to develop a centralized ingestion framework, improving efficiency and ensuring consistency across pipelines. My automation-driven approach has accelerated project go-live timelines by 50%, while maintaining quality and compliance.As a leader, I manage and mentor a team of 20 data engineers, driving the development of standardized frameworks for orchestration, monitoring, and optimization. My expertise spans Azure Data Factory, Databricks, PySpark, SQL, Delta Lake, and Informatica, enabling me to design future-ready data ecosystems that support advanced analytics and AI adoption.I am recognized for my analytical problem-solving skills, particularly in identifying and resolving data anomalies, and for fostering strong collaboration between business stakeholders and technical teams. My focus is always on creating data platforms that deliver measurable value, accelerate decision-making, and enable digital transformation.
Experience
Senior Manager Data Engineering
Decisiontree Analytics & Services
Nov 2025 — Present · Gurugram, IN
Architected enterprise Lakehouse platform using Microsoft Fabric, OneLake, Delta Lake, and Snowflake implementingMedallion architecture.• Designed solution under cost constraints using F-8 compute capacity while maintaining performance benchmarks.• Built metadata-driven pipelines and notebooks reducing new source onboarding effort by 70%.• Designed audit and rollback framework using Delta Lake time travel improving traceability and recovery.• Implemented validation and gatekeeping framework to control Gold layer refresh ensuring data quality and SLA compliance.• Maintained SLA adherence of 90 minutes from source ingestion to Gold layer refresh.• Owned stakeholder communication, roadmap planning, and delivery governance.
Education
C.V. Raman College of Engineering
Bachelor's degree, electronics
2006 — 2010
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