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Senior Backend Engineer, Autonomous Defense

Horizon3.ai — AI · Application Software · Artificial Intelligence (AI)

US, Remote Senior+ Posted Nov 12, 2026
TypeScriptPythonC++GoSQLREST/APIsCloudBackendAI/LLM
Apply on Horizon3.ai's site Tailor your résumé to this job

About the role

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before criminals exploit them. Our flagship…

What the index says about this role

  • First seen by JobLarper — Nov 13, 2026, 1 day ago. Still inside the window where applications get read by a human rather than a pile.
  • No pay range in our index for this listing. Across 52 indexed Backend Engineer roles in US that do publish one, the middle half sits between $195k and $263k, median $230k — JobLarper's read of the market, not a figure from Horizon3.ai.
  • What Backend Engineer roles ask for — across 323 indexed openings: Backend (100%), REST/APIs (68%), Cloud (58%), SQL (48%), Go (46%). This posting names Backend, REST/APIs, Cloud, SQL, Go, Python, TypeScript.
  • Horizon3.ai is hiring actively — 95 open roles indexed, 58 first appeared in the last 30 days.

Derived from the 30,242 roles JobLarper indexes daily from official company boards — not from the job description above.

⚡ JobLarper watched this role appear on Horizon3.ai's official board on Nov 12, 2026. Sign up free to get alerted minutes after roles like this go live, and tailor your real résumé to the exact description — nothing invented.

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