Luke Duncalfe
Open Source Developer at Myself
Auckland, Auckland, New Zealand
Summary
🤩
Rockstar🎓
Top SchoolLuke Duncalfe is an experienced open source developer and staff backend engineer at GitLab with 15 years building full-stack, large-scale web applications. A longtime Ruby enthusiast and early adopter of Rails since 2005, he crafts robust, well-tested back-end systems and APIs and pairs them with modern front-end work in React and Ember. His contributions span authoring multiple Ruby gems and npm packages to impactful fixes in high-profile projects like GitLab CE and the Cequel Cassandra ORM, focusing on data integrity, API access control, and precise timestamp handling. Luke’s background in Fine Arts informs a pragmatic creativity in solving complex engineering problems and shaping user-facing experiences. Based in Auckland, he combines production-grade distributed systems experience (Cassandra, RabbitMQ, Solr, AWS) with a penchant for refining data pipelines and tooling that other developers rely on.
15 years of coding experience
17 years of employment as a software developer
Bachelor of Fine Arts (BFA), Intermedia, Bachelor of Fine Arts (BFA), Intermedia at University of Auckland
Github Skills (26)
json10
ruby-rails10
apidoc10
cassandra10
data-set10
testing10
rails10
data-parsing10
price-data10
data-model10
datasets10
ruby10
data-transformation10
gitlab10
country-codes10
Programming languages (9)
Github contributions (5)
lukes/ISO-3166-Countries-with-Regional-Codes
Apr 2011 - Oct 2022
ISO 3166-1 country lists merged with their UN Geoscheme regional codes in ready-to-use JSON, XML, CSV data sets
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 releases, 71 commits, 18 PRs in 11 years 8 months
Contributions summary:Luke primarily contributed to a Ruby-based data processing script (`scrubber.rb`) within the repository. Their work involved fetching data from external sources (Wikipedia and a UN website), parsing it, and transforming it into various formats (JSON, CSV, XML). The user updated the script to handle changes in data sources, added features to include region and sub-region information, and refactored code for improved efficiency.
csvdataiso-3166-1csv-dataiso3166-2
gitlabhq/gitlabhq
Jan 2019 - Oct 2019
GitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com
Role in this project:Back-end Developer
Back-end DeveloperContributions:74 commits in 8 months
Contributions summary:Luke primarily contributed to the GitLab CE codebase by addressing issues related to data handling and API functionality. The user refactored code to utilize `build()` over `create()` methods and updated the API to include squash commit message support. They also worked on preventing the exposure of private repository data through the API by controlling access to specific data. The user's contributions focused on improving data handling, access control and API functionality.
gitlab-apinew-issuestrackerrailsgitea
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