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Skills

  • Data Management
  • Data Warehouse
  • Database Administration
  • Database Design
  • Database Development
  • Java
  • PostgreSQL
  • Python
  • Query Optimization
  • SQL

Services

  • Database & Big Data Architecture

    $60/hr Starting at $300 Ongoing

    Dedicated Resource

    I design and deliver enterprise-grade database and big data solutions for organizations that need scalable, secure, and dependable systems. With more than 20 years of IT experience, I provide architecture...

    Data ManagementData WarehouseDatabase AdministrationDatabase DesignDatabase Development

About

Big Data Architect | PostgreSQL, Python, Java & Enterprise Systems

I am a Senior Software Engineer with over 20 years of IT experience, bringing military-grade discipline to complex technical challenges. Graduating from a top-tier military academy instilled a rigorous approach to software development. For two decades, I have designed and delivered enterprise-grade programming solutions for global automotive leaders including General Motors, BMW, Geely, and Chery. I specialize in building highly scalable, secure, and robust systems within fast-paced, demanding environments. Whether you need deep system integration, database architecture, data migration, or modern application development, my battle-tested expertise helps ensure your project is executed with precision, high quality, and strict adherence to deadlines. Preferred name: Jeff.

Work Terms

Availability: up to 40 hours per week, with the ability to start promptly. Preferred engagement: hourly at $60/hour or milestone-based fixed-price work with a clear scope and acceptance criteria. I am open to long-term and contract-to-hire engagements. I communicate in English or Chinese, provide regular progress updates, and use Guru messages or scheduled meetings for project communication. Payments should be handled through Guru SafePay.