Justin Martin
Full Stack Developer at Quandl Inc.
Old Toronto, Ontario, Canada
Summary
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RockstarJustin Martin is a Full Stack Developer based in Old Toronto with eight years of hands-on experience building reliable web services and APIs. He combines front-end and back-end fluency with a practical focus on robustness, evidenced by contributions to the popular quandl-python library where he implemented retry strategies for 5xx/429 responses and added test coverage for GET/POST and pandas Series parameter support. Justin favors pragmatic engineering—improving reliability and test automation to make integrations more resilient under real-world conditions. Comfortable across the stack, he brings steady delivery and a detail-oriented approach to error handling and API client design.
8 years of coding experience
Github Skills (17)
python10
apidoc10
api-client10
retrying10
retry-policy10
api10
data-retrieval10
retry-logic10
mechanism10
retry-pattern10
api-design9
restful-api9
pandas9
api-rest9
dataframe9
Programming languages (4)
Github contributions (5)
quandl/quandl-python
Oct 2018 - Mar 2021
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:5 releases, 11 reviews, 12 commits in 2 years 4 months
Contributions summary:Justin primarily contributed to improving the reliability and functionality of the `quandl-python` library. They focused on adding retry mechanisms for API calls, including implementing retries for 5xx errors and 429 errors and adding tests for these. Furthermore, the user implemented support for both GET and POST requests for data retrieval and extended functionalities to support passing pandas Series as request parameters. These changes included modifying existing tests and adding new ones to ensure proper functioning.
api-clientpythondatasetdata-framequandl
jjmar/dice-maiden-ui
Jun 2021 - Jul 2021
Contributions:40 commits in 20 days
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