Callum Hays - Software Engineer at SEEK

Callum Hays

Software Engineer at SEEK

Melbourne, Victoria, Australia

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Summary

👤

Senior

🎓

Top School

Callum Hays is a software engineer and mechatronics-trained computer scientist with a decade of hands-on experience building embedded and cloud-connected systems, currently contributing to SEEK in Melbourne. He combines practical robotics and control-systems expertise with machine learning and AI pragmatism, having led software delivery for multiple prototype deployments at LYRO Robotics. Callum is comfortable across the stack—from embedded C and hardware integration to backend services and CI/CD—and has contributed to open-source numerical tooling for constrained devices (micropython-ulab), improving floating-point support and array operations. He brings a track record of translating research-grade ML and computer vision work into deployable prototypes for commercial partners. Known for pragmatic problem-solving, he blends rapid prototyping speed with attention to production reliability.

10 years of coding experience

5 years of employment as a software developer

Full-Stack Developer Computer Software Engineering, Full-Stack Developer Computer Software Engineering at freeCodeCamp

Bachelor of IT and mechatronics engineering (honours) Mechatronics Robotics and Automation Engineering, Bachelor of IT and mechatronics engineering (honours) Mechatronics Robotics and Automation Engineering at Queensland University of Technology

Github Skills (10)

adafruit-circuit-python10

py10

micropython10

numpy10

float329

numerical-methods9

floating-point9

c178

c118

firmware6

Programming languages (12)

TypeScriptC++CSSCRustJavaScriptElmHTML

Github contributions (5)

v923z/micropython-ulab

Dec 2020 - Feb 2021

a numpy-like fast vector module for micropython, circuitpython, and their derivatives

Role in this project:

Back-end Developer

Contributions:5 reviews, 6 commits, 5 PRs in 1 month

Contributions summary:Callum primarily contributed to the `micropython-ulab` project, focusing on improving the numerical capabilities of the library. They fixed a compiler issue related to floating-point numbers, added a stub for `dtype`, and refactored the code using the `MICROPY_FLOAT_CONST` macro. The user also replaced the array constructor and implemented the `np.isinf` function to extend the existing functionality of the library.

circuitpython-ulabopenmvpythonfirmwarenumpy

CallumJHays/spatialmath-rospy

Sep 2022 - Oct 2022

ROS integration for Peter Corke's spatialmath library

Contributions:6 releases, 58 commits, 7 PRs in 24 days

roboticsrospyspatialmathrosgeometry

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