Back-End Engineer for AI-Powered Game Backend | Equity

fifthdoor-com

San Francisco (CA)

On-site

USD 120,000 - 180,000

Full time

14 days+
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Benefits offered by this job

Competitive salary
Equity
Health benefits
Flexible work hours
Unlimited vacation
Collaborative team

Job summary

Fifth Door is seeking a Backend Engineer to build and maintain the backend for our AI-powered game engine and web applications. You will join a fast-moving, ambitious team where your work impacts users from day one.

You will collaborate with cross-functional teams to design scalable, secure systems, optimize performance, and implement API-driven architectures using modern tools and AI workflows. Flexible hours and a collaborative culture await.

Qualifications

  • 3+ years of backend or full stack experience.
  • Proficiency in a backend language such as Ruby, Typescript, Python, or Golang.
  • Strong understanding of API development and structuring applications.
  • Experience with SQL and NoSQL databases.
  • Familiarity with modern build pipelines and tools.
  • Interest in AI technologies or AI integration into products.
  • Experience working in an agile development environment.
  • Proficiency using AI tools in development workflows.

Responsibilities

  • Help architect, develop, and maintain the backend for the AI-powered game engine and web applications.
  • Collaborate with cross-functional teams to design scalable and secure systems.
  • Optimize applications for maximum speed, performance, and scalability.
  • Write clean, maintainable, and well-tested code.
  • Identify and troubleshoot back-end performance issues.
  • Stay current with trends and emerging technologies, bringing ideas back to the team.

Skills

Backend languages
API development
Databases
Agile practices
AI in development

Tools

CI/CD pipelines
Build pipelines

Job description

Fifth Door is seeking a Backend Engineer to build and maintain the backend for our AI-powered game engine and web applications. You will join a fast-moving, ambitious team where your work impacts users from day one.

You will collaborate with cross-functional teams to design scalable, secure systems, optimize performance, and implement API-driven architectures using modern tools and AI workflows. Flexible hours and a collaborative culture await.

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