Who can apply: US-based role. The employer has not said which states are eligible — confirm before applying.
Location as listed by the employer: “US, Remote”
Apply on Horizon3Ai's site ↗
Opens the employer's official application page.
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About this role
Horizon3Ai is hiring for a Principal Software Engineer, Autonomous Defense role (full-time). See the official posting for full details.
Requirements
- Bachelor's Degree in Computer Science, Computer Engineering or related field.
- 10+ yrs professional software engineering experience using modern object-oriented or functional languages (Python, Go, Scala, C++, TypeScript, etc).
- Experience building applications on cloud computing platforms such as AWS, Azure, GCP, using container technologies such as Docker and Kubernetes.
- Deep experience with agentic or LLM-backed systems in production with a clear-eyed view of where they fail and how to contain it.
- Expert proficiency in SQL.
- Demonstrated experience designing and operating distributed systems in production: asynchronous workflows, queues, retries, idempotency, and partial failure.
- A track record of shipping and operating production services, including on-call ownership.
Summarized from the employer's posting — check the full posting for every requirement.
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