Kelvin Hammond
Software Engineer at Phobio, LLC
Oregon, Canada
Summary
🤩
Rockstar🎓
Top SchoolKelvin Hammond is a polyglot full-stack software engineer with 13 years of experience building backend and front-end solutions, primarily in Python and modern JavaScript, while working remotely from Oregon, Canada. He has shipped production systems across startups and enterprises—roles include senior Python and full-stack positions at Cigna, Phobio, and EquipmentShare—and brings solid Linux/Unix expertise and a knack for quickly learning new languages and tools. Kelvin is an active open-source contributor: his work on the widely used marshmallow library improved schema (de)serialization controls, and his fixes and benchmarks for the compromise NLP project strengthened pattern matching reliability. Comfortable in both greenfield and maintenance contexts, he blends practical engineering with automation and strategic consulting experience from earlier roles. Known for thoughtful, test-focused contributions, he favors solutions that improve flexibility and maintainability across stacks.
12 years of coding experience
5 years of employment as a software developer
Associate's degree, Computer Technology/Computer Systems Technology, Associate's degree, Computer Technology/Computer Systems Technology at Midlands Technical College
English, peu francais
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (15)
testing10
regular-expression10
deserialization10
part-of-speech10
javascript10
data-serialization10
nlp10
named-entity-recognition10
schema-design10
validation10
python10
validations10
marshalling10
serialization10
performance-optimization8
Programming languages (15)
Github contributions (5)
spencermountain/compromise
Jul 2020 - Nov 2020
modest natural-language processing
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 1 PR, 17 comments in 4 months
Contributions summary:Kelvin's primary contributions involved enhancing the `compromise-match2` plugin for natural language processing. They fixed matching issues, implemented a benchmark script to compare the performance of different matching approaches, and added tests to improve code coverage and reliability. The user also addressed bugs related to range group matches and implemented features like the `@methodName` matching approach and updated escaping of special characters within the matching syntax. These changes improve the functionality and robustness of the pattern matching capabilities within the library.
nlppart-of-speechnamed-entity-recognitionlanguage-processingmodest
marshmallow-code/marshmallow
May 2015 - Jul 2015
A lightweight library for converting complex objects to and from simple Python datatypes.
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR, 1 comment in 2 months
Contributions summary:Kelvin primarily contributed to the core functionality of the marshmallow library, focusing on schema definition and data (de)serialization. Their commits added features such as `load_only` and `dump_only` to schema metadata, which controls the fields included during (de)serialization processes. They also made changes to the marshalling and unmarshalling processes, and incorporated schema-level validations, thereby improving and refining the library's overall behavior. These changes aimed to enhance the flexibility and control over data transformations.
serdepythonmarshallingdeserializationvalidation
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