Staff Software Engineer, OTA & Fleet Update Systems

horizon3ai; United States; Remote; USD 180,000 - 240,000; Full time

Benefits offered by this job

Health insurance

Vision coverage

Dental coverage

Flexible vacation

Parental leave

Possible equity

Job summary

horizon3ai is seeking a hands-on staff-level software engineer to design and operate the systems that deliver updates to containerized deployments across customer-managed environments. You will own update safety, fleet visibility, version negotiation, rollout controls, health checks, and recovery while guiding engineers and setting technical direction.

This remote role requires eight+ years of experience in distributed systems, Go, Python, or Rust, and the ability to work across air-gapped

Qualifications

• 8+ years of software engineering experience with distributed systems, remote updates, or fleet management infrastructure.
• Strong understanding of update delivery, version negotiation, health checks, and rollback behavior.
• Experience rolling out software to heterogeneous, customer-managed production environments at scale.
• Proficiency in Go, Python, or Rust for systems infrastructure work.

Responsibilities

• Design the update system, including delivery protocols, version negotiation, rollout orchestration, health verification, and automatic rollback.
• Track deployment versions and identify updates that are pending, stalled, or out of sync.
• Build safe rollout controls such as phased releases, canaries, customer version pinning, and emergency holds.
• Make update delivery work in restricted and air-gapped networks and other constrained environments.
• Own reliability and incident response for delivery failures, stuck updates, and version drift.
• Write production code, guide architecture, and mentor engineers through reviews and technical pairing.

Skills

Distributed systems

Remote updates

Fleet management

Go

Python

Rust

Job description

horizon3ai is seeking a hands-on staff-level software engineer to design and operate the systems that deliver updates to containerized deployments across customer-managed environments. You will own update safety, fleet visibility, version negotiation, rollout controls, health checks, and recovery while guiding engineers and setting technical direction.

This remote role requires eight+ years of experience in distributed systems, Go, Python, or Rust, and the ability to work across air-gapped