Machine Learning Engineer (GenAI, Toronto)
GPTZero
About this role
The Machine Learning Engineer at GPTZero is responsible for developing advanced AI tools aimed at enhancing critical thinking and ensuring information integrity in a landscape rich with AI-generated content. This role entails fine-tuning language models, optimizing prompts for accuracy, and creating multi-agent workflows, all while collaborating closely with product and design teams. Ideal candidates will have a strong background in Python, experience with LLM frameworks, and a passion for impactful societal contributions through technology.
Skills
About GPTZero
gptzero.meGPTZero is a leading AI content detection tool that helps users identify text generated by artificial intelligence models, such as ChatGPT and GPT-5. With a user base over 10 million strong, it offers services like an AI detector, plagiarism checker, and grammar feedback, targeting educators, students, and content creators alike. The system boasts a 99% accuracy rate and is integrated into various platforms including Google Docs and learning management systems, to promote academic integrity and enhance writing skills across multiple languages. Founded in January 2023, GPTZero is committed to supporting responsible AI usage in educational environments.
Recent company news
Meet GPTZero: HackerNoon Company of the Week
Jan 14, 2026
GPTZero’s founders, still in their 20s, have a profitable AI detection startup, millions in the bank and a new $10M Series A
Jun 13, 2024
New GPTZero feature checks sources for AI content to repel ‘second-hand hallucinations’
Jan 6, 2025
Founder of GPTZero Shifts Focus From Catching A.I. Cheaters to Helping Students Write
Aug 14, 2025
AI detection platform GPTZero releases authorship tools to preserve original writing
Sep 18, 2024
About GPTZero
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for GPTZero.
Salary
$88k – $175k
per year
More jobs at GPTZero
Similar Jobs
Machine Learning Engineer
Continua AI
Python Developer(Machine Learning)
Citi
Principal GenAI Software Development Engineer
Eightfold
Staff~Sr. Staff Machine Learning Engineer (AI Agent)
Coupang
Machine Learning Engineer (GenAI & Multimodal Systems) - Creative Tech Studio
Truelogic Software
Founding Machine Learning Engineer
BJAK