Character.AI

Software Engineer, Backend

Character.AI
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10 months ago
Foster City, CA, USASenior
H1B sponsor

Base Salary

$180k - $300k/yr

Responsibilities

  • Design, develop, and maintain scalable backend services supporting applications and infrastructure.
  • Implement secure and efficient APIs for frontend applications and third-party integrations.
  • Optimize backend architecture, performance, reliability, and scalability.
  • Collaborate with product managers, data analysts, frontend engineers, designers, data scientists, and other engineers.
  • Ensure high availability, fault tolerance, and performance of backend systems.
  • Monitor system health, troubleshoot issues, and implement stability and efficiency improvements.
  • Maintain security best practices to protect user data and system integrity.
  • Stay current with backend development and distributed-systems trends and technologies.

Requirements

  • 5+ years of experience in backend development building scalable and reliable applications.
  • Strong proficiency in Python, Java, or Go, with Python and Go preferred.
  • Experience with PostgreSQL, MySQL, or NoSQL database solutions.
  • Experience designing and integrating APIs, including REST and GraphQL.
  • Understanding of distributed systems, microservices architecture, and AWS, GCP, or Azure.
  • Experience with Docker and Kubernetes.
  • Strong problem-solving skills focused on system performance and reliability.
  • Effective communication and collaboration skills.
  • Preferred: experience with event-driven architectures and messaging systems such as Kafka or RabbitMQ.
  • Preferred: knowledge of caching strategies and performance optimization techniques.
  • Preferred: experience with large-scale, high-traffic applications.
  • Preferred: familiarity with CI/CD pipelines and DevOps best practices.
  • Preferred: exposure to machine learning or data-driven applications.
Character.AI

About Character.AI

201-500 employees

Character.AI builds a consumer platform for creating and conversing with customizable AI characters on the web and mobile. The company monetizes through a paid c.ai+ subscription and in-app purchases, and reports over 20 million monthly users engaging with user- and creator-built bots. Founded in 2021 by former Google AI leaders and headquartered in Redwood City, CA, it is privately held.

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