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  • STARCO TECHNOLOGY CO., LTD.
  • 3 F., No. 135, Sec. 3, Minsheng E. Rd., Songshan Dist., Taipei City 105007, Taiwan (R.O.C.)
  • 14:24 (UTC +08:00)
  • LinkedIn in/marcus-807788284

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Marcus778899/README.md

Marcus (Sheng-Lun) Lin

Data Engineer | ETL Architecture & Database Optimization

I am a Data Engineer with 3+ years of experience specializing in high-performance data storage and automated pipeline orchestration. I focus on optimizing ETL/ELT workflows and leveraging OLAP databases to turn large-scale logs into actionable insights.


Technical Stack

Category Tools & Technologies
Languages Python, Java, SQL, Shell Script
Data Engineering Apache Airflow, Spark, Hadoop Ecosystem
Databases Clickhouse, MongoDB, Redis, MySQL, MariaDB
Development Docker, GitLab CI/CD, Linux (Ubuntu)

Professional Experience & Core Projects

  • High-Performance Data Warehousing

  • Optimized Clickhouse storage solutions, implementing effective partitioning and indexing strategies to handle terabytes of historical logs.

  • Significantly reduced query latency for high-frequency data retrieval, enabling real-time analytical capabilities.

  • Scalable Data Pipeline Orchestration

  • Architected and managed complex DAGs via Apache Airflow, automating the full data lifecycle from raw ingestion to production-ready reporting layers.

  • Integrated Spark for distributed processing, achieving a 40%+ improvement in transformation speed compared to legacy systems.

  • Backend Automation & System Integration

  • Developed robust backend services and API integrations to bridge diverse data sources and improve system interoperability.

  • Leveraged Redis for high-speed caching and Docker for consistent service containerization across environments.

  • Development Workflow Optimization

  • Established GitLab CI/CD pipelines to automate testing and deployment, ensuring high reliability of data services and minimizing production risks.


Connect with Me


Technical Interests

I am focused on Database Internals and Distributed Systems. Currently exploring advanced data modeling techniques and enhancing system observability for large-scale data infrastructures.

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