Harnoor Minhas — Senior AI & Data Architect

Executive summary

Senior AI & data architect with 19+ years building modern, AI-ready data platforms across financial services (Citigroup, Rocket Mortgage, Freedom Mortgage/Xpanse), federal regulated systems (U.S. SEC), and a Reston consulting practice (HM Tech Solutions LLC). Hands-on builder — half-petabyte Snowflake (Expert) in production with Cortex AI, Document AI, and Copilot delivering 70% processing reduction at 95% accuracy. Production RAG and vector retrieval patterns, master & reference data architecture, and semantic-layer governance. Palantir Foundry hands-on.

What I do · core expertise

Snowflake (Expert)

Half-petabyte prodCortex AIDocument AICopilotTasks/StreamsSnowpipeDynamic TablesSnowparkRBAC + maskingDR replication

AI / RAG / Vector / Agentic

Production RAGEval datasetsEmbedding pipelinesVector storesLLM & agentic AICortex AIAWS SageMakerClaude Code (daily)

Master & Reference Data + Semantic

Canonical / reference modelsMDM strategySemantic layerData contractsGovernance

AWS (4 certifications)

Solutions ArchitectData Analytics SpecialtyCloud PractitionerTechnical TrainerS3 · Lambda · GlueStep Functions · SageMaker

Platforms

Palantir FoundryDatabricksAzure SynapsePower BI (100+ dashboards)Tableaudbt · Fivetran · Iceberg

Builder + leadership

AWS Technical TrainerRocket #2→#1→2020 IPOHM Tech consulting10-person teamDBA Boot Camp (SOP)MBA (LSU)

Selected impact

70% / 95%

Processing-time reduction at 95% extraction accuracy — Snowflake Document AI + Copilot + Cortex in production across regulated financial data.

½ PB

Half-petabyte Snowflake + AWS S3 lakehouse at Freedom Mortgage/Xpanse — canonical models adopted across Finance, Marketing, Operations.

$500K+

Annual compute savings via FinOps-aligned warehouse strategy and clustering at half-petabyte scale.

Professional experience

HM Tech Solutions LLC — Principal Data Architect & Consultant

Aug 2025 – Present · Reston, VA

Designed, built & delivered Snowflake migrations, ELT pipelines, and governance frameworks hands-on; cost estimates, executive presentations, architecture validation.
Built Snowflake reference patterns: warehouse/workload strategy, Tasks & Streams CDC, Snowpipe ingestion, secure data sharing + DR replication, RBAC with dynamic PII masking.

Xpanse (Freedom Mortgage) — Senior Data Warehouse Architect

Mar 2024 – Jul 2025 · Remote

Architected a half-petabyte Snowflake + AWS S3 lakehouse for enterprise analytics, a Customer Data Platform, and AI-ready foundations across origination & servicing.
Deployed Snowflake Document AI + Copilot in production — 70% processing reduction, 95% accuracy; designed retrieval & evaluation patterns for responsible AI.
Drove $500K+ annual compute savings via FinOps-aligned warehouse strategy at half-petabyte scale.

Amazon Web Services — Technical Trainer

Dec 2021 – Apr 2022 · Arlington, VA

Delivered enterprise certification training on Data Analytics, Solutions Architecture, and Machine Learning curricula.

Rocket Mortgage — Senior Data Warehouse Architect

Jan 2013 – Jan 2021 · Detroit, MI

Architected 650+ ETL pipelines processing billions of rows, powering 100+ reports for 1,000+ users; scaled through #2→#1 US lender → 2020 NYSE IPO.
Designed the DBA Boot Camp (40–50 engineers) — adopted as company mandatory SOP; built DMV performance + DDL-change monitoring saving hundreds of thousands annually.

Orchid Technology (U.S. SEC) — Senior Database Architect

Jun 2011 – Feb 2013 · Washington, DC

Supported federal data-warehouse operations for SEC regulatory reporting; data governance & quality controls under strict federal compliance.

Education & certifications

MBA — LSUB.S. Computer ScienceKimball Dimensional Modeling — CertifiedAWS — 4 Certifications

View the architecture demo → LinkedIn

Reston, VA · open to the Carlyle AI & Data Architect role (DC/NYC, 4-day cadence).