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Remote Senior Backend Engineer - Autonomous Defense Platform

Remote / Online - Candidates ideally in
Philadelphia, Philadelphia County, Pennsylvania, 19113, USA
Listing for: horizon3ai
Full Time, Remote/Work from Home position Listed on 2026-11-15
Job specializations:
Salary/Wage Range or Industry Benchmark: 170000 - 235000 USD Yearly USD 170000.00 235000.00 YEAR

Job Description & How to Apply Below

Horizon3AI, a leading AI security company, seeks a Senior Backend Engineer to design and operate a distributed agent platform that runs reliably across customer environments. You will build durable runtimes, support long-running workflows, and enforce tenant isolation with strong security controls.

You will collaborate with AI researchers, security experts and product teams to turn prototypes into dependable features, with a remote-first culture, stock options, and flexible time off.

We are seeking a motivated Remote Senior Backend Engineer
- Autonomous Defense Platform to join horizon3ai in United States.

We aim to respond to suitable candidates as soon as possible.

Full responsibilities and requirements are described in the listing above.

Learn more about the Remote Senior Backend Engineer
- Autonomous Defense Platform role in the description above.

We appreciate your interest in this position.

Position Requirements

10+ Years work experience
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