Seasoned Data Engineer with 15+ years of experience designing and re-architecting large-scale data platforms across product, finance, and ML. Proven track record of owning business-critical data systems end-to-end, from modeling and pipelines to reliability and cost efficiency, at companies operating at massive scale. Known for translating ambiguous business questions into durable, production-grade data systems that enable fast, confident decision-making.
Experience
Airbnb · BizTech Data Engineering
Mar 2025 – Present
Staff Data Engineer · San Francisco, CA
Re-architected Unit Economics platform, consolidating fragmented revenue, cost, and contribution-margin logic into canonical datasets powering finance close, forecasting, and product analytics across 10+ orgs.
Delivered GPU efficiency initiative in 4 weeks, partnering with Cloud Infrastructure to analyze $1.13M/month GPU spend and identify 35–50% cost reduction potential ($400K–$600K/month) across 3,000+ workloads.
Served as technical owner for cross-functional data alignment, translating ambiguous business questions into durable, production-grade data models adopted by Finance, Product, and ML teams.
DoorDash · Core Data Engineering
May 2021 – Mar 2025
Staff Software Engineer, Data · San Francisco, CA
Owned backend architecture for AI-driven voice ordering system delivered in 40 days, including order-cart construction, LLM-optimized menu modeling, and inference integration for a high-visibility client demo.
Built synthetic data generation pipelines enabling continuous fine-tuning of GPT-3.5 and LLaMA models, improving order accuracy and accelerating iteration without reliance on scarce real-world conversations.
Built LLM-powered data discovery and SQL generation tooling used by 100+ analysts, reducing ad-hoc analysis time by abstracting schema complexity through metadata and semantic search.
Designed a config-driven metrics platform powering 1,000+ Tier-0 metrics across dashboards, experimentation, and segmentation, eliminating bespoke SQL and standardizing metric logic.
Built and scaled a next-generation ETL platform (Spark, Snowflake) with CI/CD, testing, observability, SLA enforcement, RBAC, and data quality checks, adopted by 20+ teams and scaled to 2,500+ production workflows.
Led Data Reliability Engineering (DRE) sustaining 2+ years of SLA compliance for 150+ Tier-0 metrics across 400+ upstream tables, reducing critical dashboard downtime by 3–4 hours.
Owned quarterly earnings metrics and partnered with Finance, Product, and PwC to support audit and certification requirements.
Led company-wide data engineering cost efficiency initiative, delivering $2M in savings in H2 2024 and defining a 2-year roadmap for sustainable cost governance.
Dropbox · Central Data Engineering
Jun 2019 – May 2021
Lead Data Engineer · San Francisco, CA
Built User & Team 360 canonical datasets with 400+ attributes, establishing a single source of truth supporting Product and Finance analytics across 700M+ users.
Created Dropbox Usage DataMart modeling file activity (adds, updates, shares, collaboration) over 1-day, 7-day, and 28-day rolling windows, ingesting and aggregating billions of file events per day at scale.
Built Finance DataMart for User and Team ARR, integrating dimensional entities to deliver trusted financial reporting.
Re-engineered large-scale filesystem usage pipelines using Spark, reducing ETL runtimes by 10+ hours.
Developed reusable Airflow operators for Hive/Spark workloads with built-in validation and structured logging, improving pipeline reliability and alerting.
Goldman Sachs · SecDiv Data Platform
Dec 2014 – May 2019
Data Engineer · New York, NY
Built one of Goldman Sachs' first Hadoop-based data lake platforms, leveraging HDFS, Spark, Scala, and Pig to modernize large-scale analytics and batch processing.
Designed automated ETL frameworks using Spark/Scala and Python, significantly improving data processing efficiency and operational reliability.
Migrated 350+ legacy BI reports to the modern data platform, optimizing batch job runtimes by 2+ hours and reducing maintenance overhead.
Led data onboarding initiatives to AWS and Snowflake, enabling early cloud adoption and scalable analytics workflows within SecDiv.
Infosys · Fixed Income Data Platform
Jul 2007 – Nov 2014
Data Engineer · Nashua, NH
Consolidated 500+ batch jobs into 25+, improving reliability and maintainability of fixed-income data pipelines.
Built real-time Trade DataMart with 5-minute SLA, implemented Oracle VPD for data security, and led early Hadoop POCs for scalable analytics.
Education
Anna University, India
Bachelor of Engineering, Electronics and Communication