Justin Buchanan
Software Engineer
Seattle, Washington, United States
Summary
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RockstarJustin Buchanan is a software engineer and roboticist based in Seattle with 13 years of experience building reliable backend systems and robot control software. He has deep hands-on expertise in motion planning and path optimization for RoboCup small‑size robots, and has contributed to notable open-source projects like CadQuery, OpenSCAD, and Kythe. His work spans low-level algorithmic improvements (RRT and trapezoidal path planners), CAD geometry and STEP import robustness, and tooling around proto indexing and release pipelines. Justin combines systems-level thinking with careful test-driven development, often refactoring core libraries to remove subtle bugs and improve developer workflows. He brings a practical curiosity—comfortable moving between robotics, CAD, and build/release engineering—to deliver durable, well-tested solutions.
13 years of coding experience
Github Skills (32)
robotics10
c-language10
3d-graphics10
python10
cct10
parameterized10
controls10
ocx10
3d-models10
go10
cad10
3d10
params10
pathfinding10
para10
Programming languages (16)
Github contributions (5)
RoboJackets/robocup-software
Jun 2013 - Jan 2018
Georgia Tech RoboJackets Software for the RoboCup Small Size League
Role in this project:
Backend Developer
Backend DeveloperContributions:1 release, 2821 commits, 317 PRs in 4 years 7 months
Contributions summary:Justin appears to be focused on the development of the robot control software, particularly the planning and motion aspects. The commits demonstrate work on path planning functionalities, specifically in the creation and optimization of paths. Code changes involve contributions to various modules such as TargetVelPathPlanner, RRTPlanner and TrapezoidalPath and also fixing issues like motor control and the base station.
roboticssmall-sizerobojacketsgeorgialeague
kythe/kythe
Nov 2018 - Oct 2022
Kythe is a pluggable, (mostly) language-agnostic ecosystem for building tools that work with code.
Role in this project:Back-end Developer & Release Engineer
Back-end Developer & Release EngineerContributions:15 releases, 165 reviews, 263 commits in 4 years
Contributions summary:Justin primarily contributed to the Kythe codebase through a series of commits focused on improving the proto indexer and extractor. Their work included implementing and refactoring functionality around kzip file handling, the parsing of proto schema comments, and the handling of google.protobuf.Any fields and enum values. The user also worked on improving the tests and added support for new features in the release pipeline.
agnosticecosystemlanguage-agnosticpluggableyaml
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