At Thorn, our cause is our code. We are a nonprofit whose mission of defending children from sexual exploitation and abuse is deeply embedded within our core—a shared code that drives us to do challenging work with resilience and determination.
Here, you’ll work and grow among the best hearts and the best minds in tech, data, and business alongside our network of independent partners, NGOs, and law enforcement agencies. Together, we’re focused on building technology that protects children’s futures. We are looking for dynamic problem solvers with the desire to help address some of today’s toughest issues. You'll collaborate with a diverse group of peers in a remote environment centered on wellness, care, and compassion.
In 2019, we took the stage at TED and shared our audacious goal of eliminating child sexual abuse material from the internet. Come join us to help make this goal a reality and build a world where every child can be safe, curious, and happy.
As a Staff ML Engineer at Thorn, this role will design, build, deploy and maintain world class models, classifiers and algorithms to increase Thorn’s capabilities to achieve our mission of the elimination of child sexual exploitation. They will be the go-to expert in one or more domains of machine learning and provide critical guidance to multiple teams across legal, engineering, product, business development and external affairs. They will directly contribute to the Machine Learning team’s critical function in Thorn’s mission - building automated solutions that:
They are responsible for ensuring that their work is high quality, as well as mentoring other ML Engineers. They will thrive in highly ambiguous problem spaces and be able to creatively design and build scalable solutions with minimum direction. They will demonstrate persistence and strong technical expertise to navigate legal, product, and technical constraints. They are responsible for partnering with the engineers, product manager and designers across different products to drive requirements, as well as any and all relevant external partners, taking into account all stakeholder needs.
A reasonable estimate of the compensation range for this role is $171,000-$235,750/year. This range takes into account the wide range of factors that are considered in making compensation decisions, including but not limited to location; skill sets; experience and training; licensure, and certifications.
Our remote-first work model is structured around working from home most of the time. But, there will be times that employees are expected to travel. For example, Thorn may host company-wide gatherings, and smaller teams may hold in-person meetings and team-building events, or require attendance at specific conferences.
At Thorn, we know that great people make a great organization. We value our people and offer employees a broad range of benefits. Learn more about what working at Thorn can mean for you.
Thorn is strengthened by the wide range of experiences and perspectives on our team. We value the diversity of our professional backgrounds, subject matter expertise, cultures, and perspectives because they help us solve complex problems and serve our mission more effectively. We hire based on merit, qualifications, and organizational need, and we are committed to fostering an inclusive environment where all employees can thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
Thorn is committed to the full inclusion of all qualified individuals. We provide reasonable accommodations to ensure candidates and employees with disabilities can fully participate in the application process, perform essential job functions, and access all the benefits and privileges of employment. If you need an accommodation, please contact us at hiring@wearethorn.org

Our children are growing up in a digital world.
We are experiencing a dramatic shift in how and where young people connect, learn, and play has left parents and our communities feeling helpless and uncertain about how to protect them.
Predators are taking advantage of this new reality, exploiting children in digital spaces and creating new vulnerabilities for them.
This global public health crisis has devastating impacts on children everywhere, while parents and caregivers struggle to navigate this new digital landscape and keep their kids safe.
At Thorn, we envision a world where cutting-edge technology is proactively developed to defend children.
We are an innovative nonprofit that transforms how children are protected from sexual abuse and exploitation in the digital age through cutting-edge technology, original research, and collaborative partnerships.
We empower platforms and people who can protect children with the tools and resources to do so, using the power of technology to secure every kid’s right to childhood joy.