Tim Johns

Embedded Systems Engineer

https://www.opentalent.in/tim-johns

Toronto, OntarioMember since June 22, 2026

Key Strengths

Demonstrated proficiency in C++ for embedded systems development through projects like 'ReliableSerial', 'PCD8544', and 'Arduino-Text-Adventure'.
Experience with Arduino platform, indicating practical skills in microcontroller programming and hardware interfacing.
Exposure to Raspberry Pi and Python for hardware interaction ('piweather'), showing versatility in embedded Linux environments.
Projects like 'ReliableSerial' highlight an understanding of low-level communication protocols, framing, and checksums, crucial for embedded systems.
Experience with disassemblers ('slimdasm') suggests an interest in low-level system understanding and reverse engineering, valuable in certain embedded contexts.

Cultural & Operational Fit

Cultural Fit Analysis

The candidate's project portfolio shows a strong inclination towards personal, hobbyist-style projects, many of which are open-source. This suggests a self-driven, curious individual who enjoys learning and building. The diversity of projects, including some in Haskell and JavaScript, indicates a broad technical interest beyond core embedded systems. However, the lack of professional experience or team-based projects makes it difficult to assess collaboration or professional cultural fit. The focus on personal projects aligns with a culture that values individual initiative and continuous learning, but might require validation for team-oriented roles.

Soft Skills & Operational Fit

Insufficient data to assess soft skills or operational fit. No psychometric test results or interview feedback provided.

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Projects

precious

December 20, 2022 – April 13, 2023

precious — repository

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great-problems

April 23, 2021 – December 8, 2023

Great Problems is a platform for creating and sharing practice problems & problem sets for any topic.

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Intuitive-JavaScript

February 13, 2021 – September 3, 2025

Learn modern JavaScript with lessons and practice exercises.

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ReliableSerial

April 9, 2020 – May 5, 2020

Arduino-ready. Reliably send packets of data over a serial medium. Includes framing and checksum.

View Project

gateway

March 28, 2020 – July 23, 2020

An Arduino-based wireless-to-serial converter to facilitate communication between the server and the props.

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mastering-reduce

May 31, 2019 – March 2, 2020

This article was inspired by Mastering foldr by ertes, which shows examples of using equational reasoning in Haskell to refactor a recursive function into using foldr.

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PCD8544

March 10, 2015 – May 8, 2015

A library for the Arduino to interface with the Philips PCD8544 LCD controller/driver (commonly found on Nokia 5110 and Nokia 3310 LCDs).

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Arduino-Text-Adventure

February 5, 2015 – December 4, 2016

A text adventure game for the Arduino Uno

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piweather

May 14, 2014 – December 4, 2016

Display weather information on LCD with Raspberry Pi

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slimdasm

August 21, 2012 – December 4, 2016

Minimal x86 disassembler for PE binaries

View Project

Key Strengths

Demonstrated proficiency in C++ for embedded systems development through projects like 'ReliableSerial', 'PCD8544', and 'Arduino-Text-Adventure'.
Experience with Arduino platform, indicating practical skills in microcontroller programming and hardware interfacing.
Exposure to Raspberry Pi and Python for hardware interaction ('piweather'), showing versatility in embedded Linux environments.
Projects like 'ReliableSerial' highlight an understanding of low-level communication protocols, framing, and checksums, crucial for embedded systems.
Experience with disassemblers ('slimdasm') suggests an interest in low-level system understanding and reverse engineering, valuable in certain embedded contexts.

Cultural & Operational Fit

Cultural Fit Analysis

Soft Skills & Operational Fit

Insufficient data to assess soft skills or operational fit. No psychometric test results or interview feedback provided.

Tim Johns

Key Strengths

Cultural & Operational Fit

Top Skills

Skills

Projects

Key Strengths

Cultural & Operational Fit