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GFiber

Backend Engineer, AI Systems

GFiber · Sunnyvale, California, United States

Posted about 3 months ago · $176,800 - $194,500

or apply directly on GFiber's site. We never take the application ourselves.

Is this posting real?

This role has been open
81 days
GFiber's roles stay open a median of 79 days
Reposted
No
Salary listed
Yes
83% of GFiber's roles list one
Ghost-job risk at GFiber
high
94 stale, 8 reposted of 94 open
Hiring momentum
150 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from GFiber's own greenhouse board since 2026-08-03. Full hiring picture for GFiber.

About this role

As a Backend Engineer for AI Systems at gFiber, you will be responsible for developing and optimizing AI chat assistants that enhance customer support. Your role will involve the entire lifecycle of AI agent implementation, including design, deployment, and production support, while collaborating with various teams to ensure seamless integration and performance optimization.

Our read on this posting3.6out of 5
benefits
2/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of GFiber as an employer.

What you need

  • Bachelor’s degree in Computer Science, Information technology, a similar engineering discipline, or equivalent practical experience
  • 5 years of software design and full stack development experience
  • Python programming skills with direct production experience
  • Practical experience building with LLMs, AI agents, and RAG pipelines
  • Understanding of LLM behavior, limitations and failure modes in production contexts
  • Direct experience with GCP (Google Cloud Platform)

Nice to have

  • Experience with the Backend-for-a-Frontend design pattern
  • Familiarity with feature flags or configuration management for AI system rollouts
  • Familiarity with LLM prompt optimization, prompt patterns, and guardrails against prompt injection/hallucinations
  • Understanding of context engineering and how to structure information for LLM consumption
  • Experience using AI coding tools like AntiGravity, Claude, Cursor etc

What you get

  • Base salary range between $176,800 - $194,500
  • Bonus
  • Benefits

Worth weighing

  • Role is not eligible for immigration sponsorship
  • No specific details on the company's culture or team dynamics
  • Salary varies by location and will be discussed during the hiring process

Summarised from GFiber's posting. Read the full original.

Listed by GFiber on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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