Software Engineer, Backend

About this role

Join Character.AI as a Backend Software Engineer to design and maintain scalable systems powering our interactive entertainment platform serving 20+ million monthly users. You'll collaborate across teams to build high-performance APIs, optimize system reliability, and implement security best practices while working with modern cloud and distributed systems technologies.

What you'll do

• Design and develop scalable backend services and APIs supporting applications and third-party integrations
• Optimize system performance, reliability, and scalability through architecture and engineering best practices
• Ensure high availability, fault tolerance, and monitoring of backend systems
• Collaborate with product managers, data analysts, and frontend engineers on backend solutions
• Troubleshoot issues, implement improvements, and maintain security protocols
• Stay current with industry trends in backend development and distributed systems

What they're looking for

• Backend development (5+ years)
• Python, Java, or Go (Python/Go preferred)
• PostgreSQL, MySQL, or NoSQL databases
• REST and GraphQL API design
• Microservices architecture and distributed systems
• Docker and Kubernetes
• AWS, GCP, or Azure cloud platforms
• Problem-solving and system optimization