Character.AI
Software Engineer, Backend
$180K–$300K
Redwood City, CA · Hybrid · Full-time · Posted Dec 8, 2025
- Experience
- 5+ years of backend development experience.
About the job
Builds and maintains scalable, reliable backend systems and APIs for Character.AI products and infrastructure.
What you'll do
- Design, develop, and maintain backend services and secure APIs.
- Improve backend performance, reliability, availability, and scalability; monitor systems and troubleshoot issues.
- Collaborate with product managers and engineering teams to deliver backend solutions aligned with user and business needs.
What they ask for
- Strong proficiency in a programming language such as Python, Java, or Go.
- Experience with database technologies, API design and integration, distributed systems, microservices, and cloud platforms.
- Experience with containerization and orchestration tools such as Docker and Kubernetes.
- Strong problem-solving and communication skills; ability to optimize systems and work collaboratively.
Nice to have
- Python and Go are preferred.
- Experience with event-driven architectures and messaging systems, caching, large-scale applications, CI/CD, DevOps, or machine learning/data-driven applications.
Pay
$180K – $300K (base salary); Offers Equity
Tools
Python, Java, Go, PostgreSQL, MySQL, REST, GraphQL, AWS
AI focus
No specific AI work stated; the role supports backend systems for a consumer AI platform.
Model-written summary · the original posting is authoritative