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Open nowFirst seen 14 hours ago

Senior AI Backend Engineer (San Francisco, CA, In-Person)

iDelsoft - Get Hired. Work From Anywhere.34 open roles

Where
San Francisco, California, United States
Work mode
On site
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Your applicationOpen nowSenior AI Backend Engineer (San Francisco, CA, In-Person)iDelsoft - Get Hired. Work From Anywhere. · San Francisco, California, United States

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

  4. CV RocketApplied on iDelsoft - Get Hired. Work From Anywhere.'s own form.

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The clock on this job

Early applications get read.

11.4% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.0%1 day
  2. 4.2%3 days
  3. 11.4%7 days
  4. 17.5%14 days
  5. 34.2%30 days
  6. 43.5%60 days
This job: first seen 14 hours ago

The posting

We're hiring a Senior AI Backend Engineer who will own the backend infrastructure behind multimodal AI agents running in real enterprise environments. This is a hands-on role where distributed systems meet applied AI: you'll build the services that take in messy real-world data, orchestrate agent workflows, keep enterprise data secure, and deliver reliable results at scale. You'll own your area end to end from day one.

What you'll do

  • Design, build and deploy backend services end to end, from data ingestion and storage to API design, background processing and deployment
  • Build AI orchestration pipelines that hold up against real-world variability, using structured outputs, tool calling, state management and guardrails
  • Define the orchestration patterns and evaluation frameworks the team works from, including evals and regression tests so model changes ship with confidence
  • Set technical direction for your subsystems: own the roadmap and decide when to pay down tech debt and when to push forward
  • Build for enterprise security: least-privilege access, tenant isolation, auditability and safe data handling
  • Work with product, design and frontend engineers to turn loose product ideas into concrete technical plans
  • Mentor earlier-career engineers through code reviews, architecture guidance and technical writing

You may be a fit if

  • You have 4+ years of designing and shipping production backend systems, with real architectural ownership
  • You've designed services from scratch that other engineers now build on in production
  • You've shipped AI-powered features to production and have your own opinions on orchestration patterns, evals and how these systems fail at scale
  • You're comfortable setting direction and owning a roadmap rather than working from a predefined spec
  • You're mostly backend (around 80% or more) but happy to work across the stack when needed
  • You can work from the San Francisco office 4 days a week (Wednesday is flexible)

Nice to have

  • Experience at both large, high-caliber companies and fast-moving startups
  • A founder or founding engineer background
  • A degree in CS, math, physics, statistics or another highly technical field
  • You build with AI tools every day and can help the team move faster with AI-assisted workflows

What we offer

  • Competitive compensation plus equity
  • Fully covered medical, dental and vision
  • Visa sponsorship (H-1B, O-1, OPT) and relocation support to the Bay Area
  • Learning and wellness budgets
  • Daily catered meals at the office
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