Zeshan A.

𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 // 𝐏𝐨𝐰𝐞𝐫 𝐁𝐈 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐭 // 𝐄𝐱𝐞𝐜𝐮𝐭𝐢𝐯𝐞-𝐋𝐞𝐯𝐞𝐥 𝐃𝐚𝐬𝐡𝐛𝐨𝐚𝐫𝐝𝐬 I am Zeshan Ather, a Top 1% Expert-Vetted Professional on Upwork. Based in Silicon Valley, San Francisco, I bring over 11 years of experience in Data Analytics, Business Intelligence, and Data Science - including 9 years at Hewlett Packard Enterprise. With a Master’s in Computer Science (Data Science specialization, Software Development minor), I combine academic rigor with hands-on industry expertise to deliver enterprise-grade solutions. My career has been built on helping businesses unlock the full value of their data - whether through intuitive BI dashboards, scalable data pipelines, or AI/ML models that power predictive decision-making. 💡 What I Deliver: - Business Intelligence Dashboards: Power BI, Tableau, Qlik - executive dashboards, KPI tracking, drill-down analytics. - Data Engineering & Integration: ETL/ELT pipelines, SQL-based data modeling, Azure Synapse, Databricks, AWS Redshift, Snowflake. - Advanced Analytics & AI/ML: Forecasting, Churn Prediction, Recommendation Engines, NLP, Anomaly Detection, Predictive Maintenance. - Data Science Solutions: Machine Learning pipelines, Statistical Modeling, TensorFlow/Scikit-learn, Natural Language Processing, Experiment Design. - Cloud Data Platforms: Azure Data Factory, Azure Data Lake, Synapse Pipelines, AWS S3/Redshift, Snowflake, Delta Lake. - BI tools: Tableau/Tableau Server, Mode Analytics, Power BI, Oracle Hyperion, PowerPivot, PowerView, Looker, Mode, Sigma, Omni, Evidence - Database Platforms: SQL Server, MySQL, Amazon Redshift, Snowflake, Hadoop, Google Cloud, BigQuery, Postgres, Oracle, Supabase - SQL, Python, Hive, CMS integration, AWS - Agentic AI - Claude, Cursor 🔧 Technical Expertise: ✔️ BI Tools: Power BI, Tableau, QlikView, SSRS ✔️ Programming: Python, R, SQL, Scala, Spark, PSQL, DAX, MDX ✔️ Data Science: TensorFlow, PyTorch, Scikit-learn, Azure ML, NLP, Forecasting Models ✔️ Data Engineering: Azure Synapse, Data Factory, Databricks, Delta Lake, AWS Redshift, Snowflake ✔️ Databases: SQL Server, PostgreSQL, Vertica, MySQL ✔️ Modeling: Dimensional modeling, star/snowflake schemas, KPI frameworks ✔️ Security & Compliance: HIPAA, GDPR, PHI de-identification, RBAC, Row-Level Security 🌍 Trusted by Global Clients: - HPE (USA) - Data Analyst and Business Intelligence specialist - NHS (UK) – Healthcare dashboards & predictive models for patient outcomes. - Omni Tax Help (USA) – Sales analytics & forecasting models to improve client acquisition. - RealDefense (USA) – Product telemetry analytics + anomaly detection for cybersecurity products. - Inspire & Rozetree (USA) – Social media engagement analytics & automated campaign reporting. - MOTOR Magazine (USA) – Retail & operations analytics dashboards on AWS Redshift & Tableau. ✅ Why Work With Me: - 9+ years of end-to-end project delivery across BI, Data Science AI. - Strong communicator: making complex analytics clear to business leaders. - Proven success with 100% client satisfaction & 5★ reviews on Upwork. - Trusted by enterprises across healthcare, finance, marketing, retail, and cybersecurity. 👉 Whether you need BI dashboards, predictive ML models, or enterprise scale data pipelines, I deliver outcomes that move the needle for your business.