Machine Learning Engineer

GPTZero is on a mission to restore trust and transparency on the internet. As the leading AI detection platform, we empower educators, students, journalists, marketers, and writers to navigate the evolving landscape of AI-generated content. With millions of users and institutions relying on us, we’re building a category-defining company at the intersection of AI and information integrity.

Our team comes from high-performing engineering cultures, including Meta, Perplexity, AWS, Affirm, and leading AI research labs, including Princeton, Caltech, and Vector Institute.

At GPTZero, we ensure that machine learning models are created for the benefit of humanity, not the other way around.

In this role, you'll build the next-gen platform to verify the origin, quality, and factuality of the world's information. The ideal candidate is someone who has a history of ML research, possesses a great product sense, and is also an excellent software engineer. You'll be working on a fast-paced team of passionate builders to create industry-defining software that has attracted millions of users globally.

• Design, train, and fine-tune state-of-the-art language models

• Develop AI agents combined with retrieval-augmented language models

• Build efficient and scalable ML training and inference systems

• Stay up-to-date with the latest literature and emerging technologies to solve novel problems

• Work closely with product and design teams to develop intuitive applications that create societal impact

• 3+ YOE in PyTorch/Transformers

• Experience pushing the cutting-edge in machine learning

• Self-starter (pitch, plan, and implement as a project owner in a fast-paced team)

• Highly motivated to make positive societal impact

• Ability to wear multiple hats and be a leader as our team grows

• Visa for work in Canada or US

• Bonus:

  • strong open-source portfolio

  • publications at top-tier ML venues

  • experience working in an early-stage startup environment 

  • understanding of how machine learning models fail in the wild

Our Team

You will be working directly with

• Alex (our CTO) R&D at Uber self-driving division and Facebook, 3 patents in ML

• George (our AI research lead) PhD from University of Toronto and ex-AWS research. 

• Edward (our CEO, ex-Bellingcat, Microsoft, BBC investigative journalism) to craft the messages we send to our community, and shape the GPTZero brand.
  

Additionally, you will be working with an experienced (eg. ex-Google, Meta, Microsoft, Bloomberg ML, Uber, Vector, MILA), diverse (eg. an engineering team with both Y-combinator and Obama scholarship recipients, a designer with art featured in the Met), and driven (eg. an operator who has scaled a company to 100M+ revenue and is committed to doing it again) group of individuals, described by one investor as one of the strongest founding teams seen in their career.

Together, we are committed to making a permanent impact on the future of writing, and on humanity

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At GPTZero, our recruiting team is involved in every step of the hiring process. We use AI-based tools to help us to accelerate candidates at the resume review stage by marking when candidates met certain key criteria. These tools are never the final say in a hiring decision - humans are.