Data engineering - Boston, MA

Building data systems people can trust.

I'm Nathan Hung, a Data Engineer specializing in cloud-native investment data pipelines, quality engineering, and analytics delivery with Snowflake and dbt.

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Currently at MFS Investment Management Delivering mission-critical pipelines for trading, compliance, and quantitative investment teams.

Tools of the trade

SQLSnowflakedbt CloudPythonFinancial Data ModelingAzureClaude

Professional Experience

Senior Data Engineer

MFS Investment Management - Nov 2025 - Present
  • Delivering Bloomberg-driven dbt compliance pipelines for all 40 active MFS funds.
  • Building fixed income analytics pipelines for portfolio managers and traders.
  • Architecting Morningstar ESG holdings data with hierarchical cross-reference logic.

Senior QA Data Engineer

MFS Investment Management - Sep 2025 - Nov 2025
  • Led QA for a Unified Data Platform delivery team and trained three QA engineers.
  • Created a Python API testing regression suite for Financial Instrument Service.
  • Established dbt unit test and YAML selector standards across three delivery teams.

QA Data Engineer

MFS Investment Management - Sep 2023 - Sep 2025
  • Owned Snowflake testing for bond, index futures, credit default swap, and index data.
  • Built a dbt regression tool used across three delivery teams and improved pipeline health by over 90%.
  • Automated job polling across MuleSoft, dbt, Fivetran, and Collibra through REST APIs.

Data Engineer Intern

Optum - Jun 2023 - Sep 2023

Automation Developer Intern

Johnson Controls - Feb 2023 - Apr 2023

Product Engineering Intern

Navient - May 2022 - Aug 2022

Data Analyst Intern

Stalgia - Oct 2021 - Apr 2022