Daniel H.

Data Analytics Engineer

A seasoned Data Analytics Engineer with over 15 years of hands-on SQL experience, specializing in Business Intelligence, Production Data Warehouses, Data Pipelines, and scalable enterprise solutions. Expertise spans end-to-end data architecture, from design and development to seamless integration with Windows and web applications.

With a proven track record supporting mission-critical operations across global organizations in Silicon Valley, Daniel delivers robust, high-performance data systems that drive informed decision-making and operational efficiency. His work emphasizes reliability, scalability, and speed, ensuring data solutions that empower businesses to turn information into strategic advantage.

Main expertise

  • SSIS
    SSIS 14 years
  • Data Engineering 5 years
  • MSSQL
    MSSQL 10 years

Other skills

  • Azure
    Azure 4 years
  • Azure Data Factory
    Azure Data Factory 4 years
  • Dynamics AX
    Dynamics AX 4 years
Daniel

Daniel H.

Spain

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Selected experience

Employment

  • Data Engineer

    Schroders (via UST) - 2 years 3 months

    • Designed and developed ETL/ELT processes to integrate diverse data sources (APIs, JSON, CSV, Excel, SQL) into Seismic Cloud CMS using SSIS.
    • Optimized .NET C# applications and refactored legacy processes, improving pipeline performance and reducing execution time by 30%.
    • Automated data validation workflows with Python (Pandas, NumPy), cutting manual QA efforts by 50%.
    • Implemented Azure DevOps CI/CD pipelines and migrated PowerShell scripts to YAML, reducing manual intervention by 80%.
    • Supported SQL Server upgrades by modernizing existing data processes, improving system reliability and maintainability.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • Python Python
    • C# C#
    • SQL SQL
    • Azure Azure
    • .NET .NET
    • NumPy NumPy
    • Pandas Pandas
    • API
    • CSV
    • SSIS SSIS
    • JSON JSON
    • Snowflake Snowflake
    • ETL ETL
    • YAML YAML
    • Microsoft Excel Microsoft Excel
    • Azure DevOps Azure DevOps
  • Staff Data Engineer | Full Stack Developer

    One LOB - 2 years 11 months

    • Developed end-to-end data and ERP solutions for small and medium-sized enterprises (SMEs), integrating sales, invoicing, and inventory systems.
    • Designed POS and ERP systems using ASP.NET, WinForms, and SQL Server, enhancing transaction processing and reporting efficiency.
    • Built dashboards and KPIs in Power BI and SSRS, enabling data-driven decision-making across departments.
    • Improved data pipelines by 40% through the use of SSIS, and implemented offline and online database synchronization with Microsoft Sync Framework.
    • Automated reconciliation processes, reducing cash discrepancies by 20% and saving management teams 50% of reconciliation time.
    • Provided technical leadership in full-stack development, collaborating with stakeholders to translate business requirements into scalable, high-performance solutions.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • C# C#
    • .NET .NET
    • ASP.NET ASP.NET
    • Microsoft Power BI Microsoft Power BI
    • .NET framework .NET framework
    • SSIS SSIS
    • VBA VBA
    • Microsoft Excel Microsoft Excel
    • Azure DevOps Azure DevOps
  • Staff Data Analytics Engineer

    Tesla - 5 years 9 months

    • Designed and implemented an enterprise Financial Data Warehouse (DWH) that supported Tesla’s global operations.
    • Developed over 100 SSRS reports and 5 SSAS cubes, including a General Ledger cube, to provide drill-through analytics for the Finance, Accounting, and Tax teams.
    • Reduced month-end, quarter-end, and year-end financial close cycles by 50% through process automation and optimized ETL workflows.
    • Consolidated multiple data sources—Dynamics AX, Oracle, SQL Server, ERPs, and APIs—into a star-schema DWH containing over 100 tables and billions of rows.
    • Improved query performance by 40% through enhanced indexing and partitioning of high-volume financial data.
    • Delivered KPI-driven reports that ensured SOX compliance and supported global regulatory audits.
    • Collaborated with cross-functional teams to replace costly third-party BI software, achieving 60% savings in licensing costs.
    • Served as a technical lead, mentoring engineers and ensuring the scalability and maintainability of BI solutions.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • T-SQL T-SQL
    • Oracle Oracle
    • Microsoft Power BI Microsoft Power BI
    • SSAS SSAS
    • SSIS SSIS
    • VBA VBA
    • ETL ETL
    • Dynamics AX Dynamics AX
    • Microsoft Dynamics 365 Finance & Operations Microsoft Dynamics 365 Finance & Operations
    • SSRS
    • Microsoft Excel Microsoft Excel
  • Senior Data Engineer & Full Stack Developer

    Bitmaster - 3 years

    • Designed and implemented Line-of-Business (LOB) applications for web and desktop using C#, .NET, and SQL Server.
    • Developed ETL jobs in SSIS to process thousands of daily transactions, providing real-time data visibility.
    • Implemented database synchronization for offline and online environments, ensuring uninterrupted business operations.
    • Delivered operational and financial reports through SSRS, reducing reporting costs by 25% and increasing sales efficiency by 20%.
    • Collaborated directly with business stakeholders to identify reporting gaps and translate requirements into actionable BI dashboards.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • C# C#
    • .NET .NET
    • .NET framework .NET framework
    • SSIS SSIS
    • VBA VBA
    • SSRS
    • Microsoft Excel Microsoft Excel
  • BI Consultant

    Clarient Inc. (now DTCC) - 2 years

    Clarient Inc., later acquired by DTCC, was a leading provider of financial market infrastructure solutions.

    • Developed BI solutions for risk, compliance, and financial reporting.

    • Built SSRS dashboards and SSAS cubes to consolidate global regulatory data.

    • Implemented ETL pipelines with SSIS, ensuring high data quality and regulatory compliance.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • SQL SQL
    • SSAS SSAS
    • SSIS SSIS
    • ETL ETL
    • SSRS
    • Microsoft Excel Microsoft Excel
  • BI Analyst

    3M Mexico - 1 year

    3M is a multinational conglomerate serving industries such as health, manufacturing, and consumer products.

    • Developed a Financial Data Warehouse (DWH) for accounting and planning departments.

    • Designed dashboards and KPIs in SSRS to improve financial visibility.

    • Automated ETL processes with SSIS to optimize data ingestion and transformation.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • SSIS SSIS
    • SSRS
    • Microsoft Excel Microsoft Excel
  • .NET Developer

    Universidad Autónoma de San Luis Potosí - 1 year

    Universidad Autónoma de San Luis Potosí is one of Mexico’s oldest public universities, with a strong focus on engineering and research.

    • Developed web and desktop applications for academic and administrative systems.

    • Designed data models and integrated SQL Server databases with C# .NET applications.

    • Automated manual reporting processes, which boosted staff efficiency.

    Technologies:

    • Technologies:
    • MSSQL MSSQL
    • C# C#
    • .NET .NET
    • ASP.NET ASP.NET

Education

  • BSc.Computer Engineer

    Universidad Autonoma de San Luis Potosi · 2002 - 2007

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