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Senior Software Engineer - Backend & Platform
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About the company

Seed-stage ($5M, top-tier AI seed investors) startup building an AI organizational-memory platform that turns a company's knowledge, data and decisions into living intelligence. Already deployed at a 15,000-person public company.

The role: Senior Software Engineer, Backend & Platform (Remote US/Canada)

A generalist, high-agency engineer on a team of ~7 engineers. You'll own high-risk, high-impact projects end to end with minimal hand-holding and shape the product alongside the founding team.

  • Own and ship product features from problem scoping through backend implementation to production
  • Design and ship LLM agents that reason over large, messy, real-world organizational data, and make them reliable enough to trust
  • Make key decisions on architecture, data modeling, APIs and tooling, and set the engineering quality bar
  • Support growing enterprise deployments ranging from hundreds to thousands of employees

What they're looking for

  • 5+ years of backend experience building customer-facing products
  • Startup DNA: top-tier startups (Series B or earlier) or founder experience
  • Product mindset that ties technical decisions to business impact
  • Thrives in early-stage ambiguity with high ownership and fast iteration
  • US citizen or Green Card holder (no visa sponsorship)

Tech: Python, SQL, distributed systems, API design, LLMs, RAG, agentic frameworks

Compensation: $190K-$300K base + meaningful founding-level equity

Location: Remote (US/Canada) with periodic trips to the San Francisco or Toronto offices

Company name shared after an intro call with HSF.

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