Software Engineer, Backend/Applied ML (Safety & Integrity)
character.ai
About this role
The Software Engineer, Backend/Applied ML (Safety & Integrity) at Character.AI will design, develop, and scale backend systems focused on addressing integrity and safety challenges related to human-to-AI interactions. Responsibilities include leading the implementation of complex solutions for risk detection and mitigation using machine learning, collaborating with cross-functional teams, driving the technical strategy for backend integrity systems, and mentoring other engineers. This high-impact role requires expertise in backend development and a solid understanding of the machine learning lifecycle.
Skills
Qualifications
About character.ai
character.aiCharacter.ai is an innovative AI chat platform that brings users the unique experience of conversing with millions of AI characters within interactive chat scenarios. Users can engage with diverse personalities ranging from fictional characters to created personas, unlocking endless possibilities for storytelling and adventure. The platform's engaging interface and deep character interactions allow users to explore imaginative scenarios, connect with various narrative styles, and create their own immersive experiences in a friendly and captivating environment.
Recent company news
"Use a gun" or "beat the crap out of him": AI chatbot urged violence, study finds
18 hours ago
Taking Bold Steps to Keep Teen Users Safe on Character.AI
Oct 29, 2025
How popular AI chatbots are enabling the next generation of school shooters and extremists
1 day ago
Character AI chatbots engaged in predatory behavior with teens, ignored suicide threats, families allege
Jan 8, 2026
Google, Character.AI to settle suits involving minor suicides and AI chatbots
Jan 7, 2026
About character.ai
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
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and employee contacts for character.ai.
Salary
$150k – $300k
per year