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I'm a Senior Data Engineer with 8+ years of strong technical expertise in building reliable and scalable data infrastructure, from data ingestion to transformation to warehousing, streaming, and data analytics, specializing in dbt, Snowflake, Airflow, Databricks (and more) across AWS, Azure, and GCP, with robust ELT and ETL pipelines. If your data pipelines are brittle, your data warehouse is slow, or your data was never built to scale, that is exactly what I fix, with fault tolerance, observability, and audit-ready quality engineered in from day one. I cover the full data engineering lifecycle: batch and real-time data pipelines, Modern Data Stack builds, lakehouse architecture, cloud and warehouse data migration, governance, and the data foundations that feed modern systems. 🎯 Core Expertise: ✅ Data Pipelines & Orchestration: End-to-end batch and real-time pipelines with Apache Airflow, Dagster, Prefect, AWS Step Functions, and Azure Data Factory. Idempotent, schema-drift tolerant, and monitored so failures surface before they reach your stakeholders. ✅ Cloud Warehousing & Lakehouse: Snowflake, BigQuery, Amazon Redshift, Databricks, and Microsoft Fabric, with Delta Lake and Apache Iceberg lakehouse foundations governed through the Glue Data Catalog and Lake Formation, with Athena and Redshift Spectrum for serverless queries, Medallion Architecture, partitioning, and performance tuning. ✅ Data Transformation & Modeling: dbt (Core and Cloud), SQLMesh, Spark and PySpark on EMR and AWS Glue, Star Schema and dimensional modeling, analytics engineering best practices, full test coverage, and CI/CD for data models. ✅ Streaming & Real-Time Analytics: Distributed streaming with Apache Kafka, Flink, Spark Structured Streaming, Kinesis, and Pub/Sub, including exactly-once semantics, dead-letter queues, CDC, and end-to-end latency guarantees. ✅ Data Ingestion & Integration: Fivetran, Airbyte, Matillion, Stitch, Hevo, Meltano, and custom CDC pipelines for near-real-time sync across structured, semi-structured, and unstructured sources. ✅ Data Quality, Governance & Observability: Automated data quality frameworks, SLA monitoring, auditable lineage, data catalog and metadata management, and observability that catches bad data early. ✅ Cloud Migration & Modernization: Zero-downtime migration handled end to end, from legacy warehouse assessment through cutover, with zero data loss and minimal downtime, replacing brittle ETL and ELT with a clean Modern Data Stack. ✅ AI-Ready Data Infrastructure: Pipelines engineered to feed LLMs and ML systems with clean, structured, high-quality data, from ingestion through transformation to serving. ------------------------------------------------------ ⚙️Tech Stack: ⚡ Warehouses & Lakehouse: Snowflake | BigQuery | Redshift | Databricks | Microsoft Fabric | Athena | Delta Lake | Iceberg ⚡ Transformation: dbt | SQLMesh | Spark | PySpark | AWS Glue | EMR | Star Schema | Medallion Architecture ⚡ Orchestration: Airflow (GCP Cloud Composer and AWS MWAA) | Dagster | Prefect | Azure Data Factory | Step Functions ⚡ Streaming: Kafka | Flink | Kinesis | Pub/Sub | Spark Structured Streaming | ClickHouse ⚡ Ingestion: Fivetran | Airbyte | Matillion | Stitch | Hevo | Meltano | CDC ⚡ Governance & Catalog: Glue Data Catalog | Lake Formation | Unity Catalog | Microsoft Purview | Dataplex ⚡ Cloud: AWS | GCP | Azure ⚡ Languages: Python | SQL (Snowflake, BigQuery, T-SQL, PL/pgSQL) | FastAPI ⚡ Databases: PostgreSQL | MySQL | SQL Server | DynamoDB | MongoDB ⚡ BI & Reporting: Looker | Tableau | Power BI | GA4 | Metabase | Superset | Streamlit | Grafana ------------------------------------------------------ ⭐ What Clients Say: 🏅 "Adarsh rebuilt our analytics pipeline on Snowflake, Airflow, and dbt, giving us reliable, version-ready data. Reporting accuracy improved overnight, and we can finally trust the numbers." – Anita, Head of Product, FinTech SaaS 🏅 "He designed a zero-downtime migration to a modern data warehouse that cut query latency by more than half while keeping our SLAs intact." – Daniel, VP of Data, AdTech Firm 🏅 "Clean architecture, solid dbt models, and Airflow pipelines running without issues for months. He brought a level of engineering discipline we hadn't seen from a data consultant before." – Mark, Director of Data Engineering, E-commerce Startup 🏅 "We came to him with a Spark pipeline costing us a fortune and delivering stale data. He restructured the workflow logic and cut processing time by 70%." – Leo, Head of Analytics, HealthTech SaaS ------------------------------------------------------ 🏆 TOP RATED PLUS | EXPERT-VETTED | Top 1% on Upwork | 8+ Years Experience | 100% Job Success 🚀 Ready to build a scalable, production-ready data infrastructure to turn your raw data into reliable, actionable business insights? Click the 'Invite to Job' button on the top right, and let's discuss your data pipeline!

I help Retail, SaaS, Manufacturing, Healthcare, FinTech, and Construction/Engineering companies turn raw data into AI-driven decisions, predictive insights, and scalable analytics systems. Over the past 10 years, I’ve delivered data platforms, AI models, and BI solutions that have reduced inventory errors by 30%, improved forecast accuracy, lowered operational overhead, and enabled real-time decision-making for 50+ brands. Core Expertise 1. AI & Machine Learning Forecasting, Churn/LTV modeling, Pricing optimization, Underwriting risk models, NLP/LLM insights, Predictive maintenance. 2. BI & Decision Intelligence Power BI, Looker, Tableau dashboards; KPI frameworks; semantic modeling; executive reporting; self-service analytics. 3. Cloud Data Platforms & Architecture Snowflake, Redshift, BigQuery, Azure Fabric; DWH design; data lakes; scalable data modeling; performance optimization. 4. Data Engineering & Automation ETL/ELT pipelines, dbt, ADF, Airflow, API integrations, data quality frameworks, orchestration, CI/CD for data. 5. Strategic Analytics Consulting Roadmaps, architecture reviews, reporting frameworks, improving data maturity, identifying revenue/efficiency opportunities. Why Clients Choose Me • 10+ years experience across 6 global industries • Quantified business results from real-world implementations • Clear communication + fast execution • Ability to scale delivery via a small, specialized engineering & analytics team • AI-first approach to modernize analytics, reduce inefficiency, and unlock growth • Transparent documentation, clean architecture, and long-term maintainability If you need a partner—not just a freelancer—to architect, engineer, and deploy high-impact analytics or AI systems, I can help. Let’s build something that delivers measurable outcomes, not just dashboards. Ready to turn your data into a competitive advantage? Message me or invite me to your job posting — I respond within a few hours.

Data Integration specialist with over 19 years of experience in designing, building, maintaining and supporting Data warehouse and ETL applications. Extensive experience working on Snowflake, dbt, Datastage , Informatica, AWS, Unix/ Python Scripting. Experienced with relational databases - Snowflake, Netezza, DB2, Oracle and SQL server. Proficient in writing SQL queries to perform analysis and ELT loads into tables. Experience working on Bigdata tools – HDFS, Hive, Sqoop & Kafka. Exposure to Cloud technologies – ASW and Azure as data sources. Experienced working with diverse clients belonging to - Banking, Manufacturing, Restaurant and Retail domain. Good understanding of end-end architecture of Datawarehouse and applications worked on. Experienced in working on Agile (Scrum) & waterfall methodologies of project execution. Highly motivated, strong analytical skills, quick learner and interested to learn and work on new technologies.

I help companies turn fragmented data into trusted analytics used by leadership and operations. I specialize in building modern data platforms, from ingestion to analytics, using dbt, SQL, cloud data warehouses, and BI tools. My work focuses on clarity, correctness, and business impact, not just pipelines. What I typically help with: Designing scalable analytics engineering layers (dbt, dimensional modeling) Building and optimizing ELT pipelines into Snowflake / BigQuery / Redshift Creating trusted metrics and dashboards for leadership and operations Improving data quality, testing, and CI/CD for analytics Migrating legacy reporting to modern data stacks I work closely with stakeholders to translate business questions into clean data models and actionable insights. If you need analytics that people actually trust and use, let’s talk.

I'm a Data Engineer and Business Intelligence Consultant with over 8 years of experience designing modern data platforms and analytics solutions for global organizations. My expertise goes beyond building dashboards, I develop end-to-end data solutions that transform raw, complex data into reliable, scalable, and business-ready insights. Over the years, I've worked across multiple domains including Oil & Gas, Energy, Healthcare, Aviation, Procurement, Finance, and Education sectors, delivering cloud-based data engineering solutions, enterprise data warehouses, and interactive reporting platforms that help businesses make informed decisions. I've successfully delivered data engineering and analytics solutions across multiple industries: Oil & Gas – Operational reporting, production analytics, procurement insights, workforce analytics, asset performance monitoring, and supply chain reporting. Energy – Executive dashboards, operational KPIs, business performance analytics, and resource planning. Healthcare – Medicaid billing analytics, patient and operational reporting, healthcare performance dashboards, and regulatory reporting. Aviation & Travel – Enterprise data warehousing, customer analytics, operational reporting, and cloud migration projects. Finance & Procurement – Financial reporting, procurement analytics, inventory optimization, material movement tracking, and spend analysis. Education – Billing analytics, operational reporting, and performance dashboards. I have hands-on experience across the complete data lifecycle, from data ingestion and transformation to cloud migration, data modeling, automation, governance, and business intelligence. Whether it's designing scalable ETL pipelines, optimizing Snowflake warehouses, developing Power BI dashboards, or integrating cloud services, I focus on building solutions that are efficient, maintainable, and aligned with business goals. Core Expertise Microsoft Power BI Interactive dashboards and executive reporting Advanced DAX, KPIs & Time Intelligence Data modeling (Star & Snowflake Schema) Power Query (M), report optimization & Power BI Service Governance, RLS, deployment pipelines & workspace management Microsoft Copilot integration, AI-powered insights & natural language querying Snowflake Enterprise data warehouse design & implementation SQL development, query optimization & performance tuning Streams, Tasks, Secure Views & Stored Procedures Dimensional modeling & data marts Snowflake Cortex AI and Copilot for AI-assisted SQL and analytics Microsoft Azure Azure Data Factory (ADF) & cloud data engineering Azure Storage, cloud integration & data migration Azure DevOps (CI/CD) & orchestration Azure AI Services and Azure OpenAI integration Google Cloud Platform (GCP) BigQuery analytics & Cloud Storage Cloud-native data pipelines Google Gemini, BigQuery AI & Vertex AI integration Power Platform Power Apps development & workflow automation Power BI integration AI Builder & Microsoft Copilot for intelligent business applications SQL & Data Engineering Advanced SQL development & optimization ETL/ELT pipeline development Data modeling, SCD Type 1 & Type 2 Data quality, transformation & performance tuning GitHub Copilot and ChatGPT for AI-assisted development and automation What I Can Help You With * Design modern cloud data platforms * Build scalable ETL/ELT pipelines * Develop enterprise data warehouses using Snowflake * Create interactive Power BI dashboards and executive reports * Build optimized SQL solutions for large datasets * Design dimensional data models and data marts * Develop Azure and Google Cloud-based data pipelines * Automate business processes using Power Apps * Migrate legacy reporting systems to modern cloud platforms * Improve report performance and optimize existing BI solutions * Implement data governance, security, and deployment best practices Why Clients Choose Me I believe data should do more than generate reports, it should drive decisions. I combine strong technical expertise with business understanding to build solutions that are scalable, reliable, and easy to maintain. I communicate clearly, work collaboratively with stakeholders, and focus on delivering high-quality solutions that create measurable business value. Whether you need a Data Engineer, Snowflake Developer, Power BI Consultant, Azure Data Engineer, or someone to build a complete cloud analytics solution from scratch, I'm committed to delivering results that exceed expectations.

Looking to turn your raw data into clear, usable insights—whether it's for your business, project, freelance work, or personal finances? I’m here to help. I’m Himanshu, a data specialist with hands-on experience at top Indian platforms like Swiggy and STAGE OTT, where I built scalable reporting systems, dynamic dashboards, and automation tools using Excel, Google Sheets, Looker studio ,Power BI, Tableau and SQL based tools. Feel free to reach out if you need an expert in: ✔️ 𝐌𝐒 𝐄𝐱𝐜𝐞𝐥 ✔️ 𝐕𝐢𝐬𝐮𝐚𝐥 𝐁𝐚𝐬𝐢𝐜 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬 (𝐄𝐱𝐜𝐞𝐥 𝐕𝐁𝐀) ✔️ 𝐄𝐱𝐜𝐞𝐥 𝐌𝐚𝐜𝐫𝐨𝐬 ( 𝐒𝐚𝐯𝐞 𝐓𝐢𝐦𝐞! 𝐒𝐚𝐯𝐞 𝐌𝐨𝐧𝐞𝐲! 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐞 𝐍𝐨𝐰! ) ✔️ 𝐃𝐚𝐭𝐚 𝐕𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧 (𝐏𝐨𝐰𝐞𝐫 𝐁𝐈, 𝐓𝐚𝐛𝐥𝐞𝐚𝐮, 𝐆𝐨𝐨𝐠𝐥𝐞 𝐋𝐨𝐨𝐤𝐞𝐫𝐬𝐭𝐮𝐝𝐢𝐨) ✔️ 𝐆𝐨𝐨𝐠𝐥𝐞 𝐒𝐡𝐞𝐞𝐭𝐬 ✔️ 𝐆𝐨𝐨𝐠𝐥𝐞 𝐀𝐩𝐩 𝐒𝐜𝐫𝐢𝐩𝐭𝐬 𝐟𝐨𝐫 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 ✔️ 𝐈𝐧𝐭𝐞𝐫𝐚𝐜𝐭𝐢𝐯𝐞 𝐃𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬 (𝐏𝐨𝐰𝐞𝐫 𝐁𝐈, 𝐓𝐚𝐛𝐥𝐞𝐚𝐮, 𝐆𝐨𝐨𝐠𝐥𝐞 𝐋𝐨𝐨𝐤𝐞𝐫𝐬𝐭𝐮𝐝𝐢𝐨) ✔️ SQL based data analysis using Snowflake , Big query, MySQL, Redash etc. ✔️ 𝐒𝐩𝐫𝐞𝐚𝐝𝐬𝐡𝐞𝐞𝐭 𝐃𝐞𝐬𝐢𝐠𝐧 & 𝐢𝐦𝐩𝐫𝐨𝐯𝐞𝐦𝐞𝐧𝐭 ✔️ 𝐅𝐢𝐧𝐚𝐧𝐜𝐢𝐚𝐥 𝐀𝐧𝐚𝐥𝐲𝐬𝐢𝐬 & 𝐌𝐨𝐝𝐞𝐥𝐢𝐧𝐠 🛠 Here’s what I can do for you: Clean, organize, and structure messy data Create dynamic dashboards for trends, summaries, and insights Automate repetitive tasks with formulas, macros, or scripts Build budgeting tools or trackers for personal or business use Design custom reports that are easy to read and update Help with anything from small personal spreadsheets to complex business data models ✅ Why clients choose me: I simplify complex data so you can make decisions easily My spreadsheets are clean, user-friendly, and scalable I deliver on time with clear communication I understand both technical and real-world business needs Whether you're a startup founder, freelancer, manager, or just someone who needs a smarter spreadsheet—I’m here to make your data work for you. Let’s collaborate!