Jacky Xie
Summary
Jacky Xie is a Senior Software Engineer based in Greater Sydney with six years’ experience building cloud-native data platforms that turn fragmented care data into actionable insights. At Performl he has driven both infrastructure and core product engineering—establishing production GCP/Kubernetes pipelines and designing a high-performance query engine that achieved up to 15x speedups by leveraging multicore data libraries like Polars. He blends data engineering (pandas/polars, web scraping) with hands-on cloud/SRE practices to maintain 99.9%+ uptime while balancing cost and reliability. Jacky also has front-end chops from React work and university leadership roles where he prototyped CMS solutions and led cross-functional teams. He’s pragmatic about trade-offs, focused on measurable performance gains, and publishes a portfolio at Https://www.jxie.dev that surfaces his engineering experiments and projects.
7 years of coding experience
Github Skills (23)
pathlib10
python8
cloud-storage8
cms8
yahoo-finance7
amazon-s37
google-cloud-storage7
financial-data7
yahoo-finance-api6
api6
stock-data6
yahoo5
azure-blob-storage5
pandas5
finance4
Programming languages (9)
Github contributions (5)
fafnirZ/dora
Apr 2025 - Sep 2025
like dora...the explorer, exploring data files like csv/parquet/xlsx in the terminal
Contributions:54 PRs, 257 pushes, 56 branches in 4 months
csesoc/website
Aug 2021 - Dec 2022
The CMS powering content generation/creation for the CSESoc website
Contributions:126 reviews, 124 commits, 62 PRs in 1 year 3 months
cms
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