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Ankur JoonAJ
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Ankur Joon

@ankurjoon

Data Engineer with 15+ years building governed, high-performance cloud data pipelines in Spark, Databricks and Snowflake.

India
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What I'm looking for

I’m looking for a role where I can build governed, high-performance data pipelines on Spark/Databricks/Snowflake—partnering with teams on automation, security, and auditability while driving measurable speed, reliability, and cost improvements.

I’m a results-driven Data Engineer with 15+ years of experience across financial services, healthcare, and consulting. I specialize in building auditable, resilient, cloud-ready pipelines that connect modern platforms with strong data engineering fundamentals.

In my Data Engineer consulting role, I delivered measurable performance and cost wins—cutting turnaround time by 80%, saving 40+ hours per month, and reducing storage costs by 50%. I’m expert in Apache Spark using PySpark/Scala, with hands-on experience tuning executor cores, shuffle partitions, and memory to improve job performance by 60%.

I design data platforms using Medallion Architecture (Bronze/Silver/Gold) and Data Vault 2.0 concepts, including hubs and satellites. With Databricks (Unity Catalog and DLT methodology) and Snowflake in mind, I focus on data quality, lineage, governance, and automated orchestration—often using Airflow and Spark/Databricks workflows to increase operational efficiency.

I also bring a DevOps mindset, integrating CI/CD tooling and security controls like Kerberos and HashiCorp Vault for secure cluster policies. Whether it’s regulatory reporting, archiving pipelines, or incident reduction, I aim to leave systems faster, safer, and easier to operate.

Experience

Work history, roles, and key accomplishments

ML

Consultant Data Engineer

Macquarie Global Service Pvt Ltd

Jun 2017 - Nov 2025 (8 years 5 months)

Managed Medallion Architecture datasets in Databricks/Unity Catalog to enforce data quality, lineage, and unified access control. Improved Spark job performance by 60% (80% faster reporting), reduced active storage from 30TB to 14TB (40% lower costs), and cut incident alerts by 80% through orchestration and dependency optimization.

SL

Senior Software Developer

Shree Infosoft Pvt Ltd

Jan 2015 - May 2017 (2 years 4 months)

Led large-scale client migration by scripting SQL Server migrations for 10M+ records, saving $100K by avoiding vendor fees. Prevented data loss during complex schema upgrades using Data Vault (hubs/satellites) concepts for auditable history and trail preservation.

TC

Program Analyst

Jan 2007 - Dec 2012 (5 years 11 months)

Contributed to the migration and consolidation of 26 databases, resolving schema drift and duplication by 95%. Built Oracle XML forest-based migration tooling to cut data transfer time by 90% and developed reconciliation/reporting that maintained 99.9% data integrity for migrated financial datasets.

Education

Degrees, certifications, and relevant coursework

Maharishi Dayanand University logoMU

Maharishi Dayanand University

Bachelor of Engineering, Computer Science

Earned a Bachelor of Engineering in Computer Science from Maharishi Dayanand University.

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