×
Register Here to Apply for Jobs or Post Jobs. X

Back-End Engineer

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Fifth Door
Full Time position
Listed on 2026-06-06
Job specializations:
  • Software Development
    Backend Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

About Us

Fifth Door unlocks the power of imagination by making it easy for anyone to create, share, and play turn-based games anywhere, with anyone. We exist to inspire connection, creativity, and community through the limitless joy of games.

Create. Play. Anywhere.

About the Role

We are seeking a Back-End Engineer who is passionate about delivering outstanding user experiences that delight our users. This is an opportunity to join a fast-moving, ambitious team where your work will have real impact from day one.

Responsibilities
  • Help architect, develop, and maintain the backend for our 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.
Qualifications

Must-Have:

  • 3+ years of experience as a backend or full stack engineer or similar role.
  • Expert proficiency in a programming language used on the backend, such as Ruby, Typescript, Python, or Golang
  • Strong understanding of backend development concepts (e.g. API development, structuring applications, databases, workflows)
  • Experience working with databases, both SQL and No

    SQL
  • Familiarity with modern build pipelines and tools
  • Strong interest in AI technologies or experience integrating AI into a product
  • Experience working in an agile development environment
  • Proficiency using AI tools in development workflows

Nice-to-Have:

  • Some familiarity with front-end technologies and working with Typescript and React is a plus.
  • Passion for gaming, creative tools, or AI applications.
  • Experience with AI prompt engineering.
Benefits
  • Competitive salary and meaningful equity.
  • Health, dental, and vision coverage.
  • Flexible work hours and unlimited vacation policy.
  • A collaborative, supportive team environment.
  • Opportunity to shape product direction and culture early.
#J-18808-Ljbffr
To View & Apply for jobs on this site that accept applications from your location or country, tap the button below to make a Search.
(If this job is in fact in your jurisdiction, then you may be using a Proxy or VPN to access this site, and to progress further, you should change your connectivity to another mobile device or PC).
 
 
 
Search for further Jobs Here:
(Try combinations for better Results! Or enter less keywords for broader Results)
Location
Increase/decrease your Search Radius (miles)
0
200
Filters
Education Level
Experience Level (years)
Posted in last:
Salary