# Software Engineer, Backend

**Company:** [Character.AI](https://zerogtalent.com/ai-companies/character-ai)
**Location:** Redwood City, CA
**Work mode:** Hybrid
**Employment type:** Full Time
**Salary:** USD 180K–300K/yr
**Category:** Software
**Department:** Other
**Listed:** 2026-03-11

[View and apply on Zero G Talent](https://zerogtalent.com/ai-jobs/character-ai/software-engineer-backend-b063d44b-e1fd-4777-8079-573706a589a0)

## Job description

### **About the Role**

We are looking for a talented and motivated Backend Engineer to join our team. You will be responsible for building and maintaining scalable, high-performance backend systems that power our products. Collaborating with designers, data scientists, and engineers, you'll play a key role in conceptualizing, designing, and delivering robust and efficient backend solutions.

  

### **What you’ll do**

-   Design, develop, and maintain scalable backend services that support our applications and infrastructure.
    
-   Implement secure and efficient APIs to support frontend applications and third-party integrations.
    
-   Optimize system performance, reliability, and scalability through effective architecture and engineering best practices.
    
-   Work closely with product managers, data analysts, and frontend engineers to develop backend solutions that align with business and user needs.
    
-   Ensure high availability, fault tolerance, and performance of backend systems.
    
-   Monitor system health, troubleshoot issues, and implement improvements to enhance efficiency and stability.
    
-   Maintain security best practices to protect user data and system integrity.
    
-   Stay up to date with industry trends and emerging technologies in backend development and distributed systems.  
    

### **Who you are**

-   5+ years of experience in backend development, building scalable and reliable applications.
    
-   Strong proficiency in programming languages such as Python, Java, or Go. Python and Go are preferred.
    
-   Experience with database technologies such as PostgreSQL, MySQL, or NoSQL solutions.
    
-   Familiarity with designing and integrating APIs, including REST and GraphQL.
    
-   Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure).
    
-   Experience with containerization and orchestration tools like Docker and Kubernetes.
    
-   Strong problem-solving skills and the ability to optimize system performance and reliability.
    
-   Excellent communication skills and the ability to work effectively in a collaborative environment.
    

**Preferred Qualifications**

-   Experience with event-driven architectures and messaging systems (Kafka, RabbitMQ, etc.).
    
-   Knowledge of caching strategies and performance optimization techniques.
    
-   Experience working on large-scale, high-traffic applications.
    
-   Familiarity with CI/CD pipelines and DevOps best practices.
    
-   Exposure to machine learning or data-driven applications.
    

  

### **About Character.AI**

[Character.AI](http://Character.AI) empowers people to connect, learn and tell stories through interactive entertainment. Over 20 million people visit [Character.AI](http://Character.AI) every month, using our technology to supercharge their creativity and imagination. Our platform lets users engage with tens of millions of characters, enjoy unlimited conversations, and embark on infinite adventure_s._

  
In just two years, we achieved unicorn status and were honored as Google Play's AI App of the Year—a testament to our innovative technology and visionary approach.

  
Join us and be a part of establishing this new entertainment paradigm while shaping the future of Consumer AI!  

_At Character, we value diversity and welcome applicants from all backgrounds. As an equal opportunity employer, we firmly uphold a non-discrimination policy based on race, religion, national origin, gender, sexual orientation, age, veteran status, or disability. Your unique perspectives are vital to our success._

## Other open roles at Character.AI

- [Technical Program Manager, Product Experience](https://zerogtalent.com/ai-jobs/character-ai/technical-product-manager-product-experience-56dcfddd-ba6d-48a8-81fb-3332abb1c032) — Redwood City, CA
- [Principal Research Engineer, Post-Training](https://zerogtalent.com/ai-jobs/character-ai/principal-research-engineer-post-training-cab23a8b-97ba-4b20-a8e3-f7d9a61e13f4) — Redwood City, CA
- [Technical Program Manager, Model Alignment and Deployment](https://zerogtalent.com/ai-jobs/character-ai/technical-program-manager-model-alignment-and-deployment-091a6ad6-75dd-4dd4-9439-7e1e9d13970b) — Redwood City, CA
- [Staff Data Scientist, Monetization](https://zerogtalent.com/ai-jobs/character-ai/staff-data-scientist-monetization-df95a7a5-87ca-4f51-85fd-4bb595a47a55) — Redwood City, CA
- [Technical Program Manager, AI Infrastructure](https://zerogtalent.com/ai-jobs/character-ai/technical-program-manager-ai-infrastructure-fd023b84-a746-4fe9-8a9d-277899e67a78) — Redwood City, CA

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*Source: [Zero G Talent](https://zerogtalent.com), the job board for space, defense, AI, robotics and frontier-tech companies.*