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Open nowPosted 529 days ago

Back-End Engineer

Fifth Door2 open roles

Where
SF
Work mode
Remote
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Your applicationOpen nowBack-End EngineerFifth Door · SF

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Fifth Door's own form.

The reply lands in your private mailbox

3×more interviews than doing it yourself with ChatGPT.

The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: posted 529 days ago

The posting

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 NoSQL 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.

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One press. We do the rest.

  1. A CV for this posting

    Written against Fifth Door's own wording, from every piece of relevant proof in your profile.

  2. 25 readers review it

    Recruiter, hiring manager, skeptic and more read every draft, round after round. You get the best round.

    The review screen in CV Rocket: how each CV was read, round by round.

  3. We apply on Fifth Door's form

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    An application in CV Rocket: every answer filled in on the employer's form.

  4. Every reply, sorted

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  5. Reply with AI

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  6. The interview in your calendar

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    An interview invitation in the CV Rocket inbox, added to the candidate's calendar.
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3×

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  • Who got the interview, and who heard nothing

That is how we know which CVs get called.

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