Backend Software Engineer - Saga
Rune Technologies5 months ago
Seattle, WA, USA or New York, NY, USAMid Level
Responsibilities
- Design, build, and deploy production-grade GenAI systems for Saga, including RAG architectures, vector databases, LLM integrations, and tool-call frameworks.
- Build and maintain evaluation and testing harnesses to validate LLM output quality and detect production regressions.
- Integrate AI capabilities into TyrOS workflows with platform and product teams.
- Participate in technical design discussions and code reviews.
- Triage and debug production issues to ensure reliability and rapid iteration.
- Collaborate with engineers, product managers, and military stakeholders to meet real-world sustainment requirements.
Requirements
- At least four years of software engineering experience with a strong backend foundation in distributed systems, APIs, and production-grade software.
- Hands-on experience building GenAI systems using vector databases, LLM integrations, RAG architectures, and LLM evaluation harnesses.
- Familiarity with tool routing, tool-call validation, and common LLM failure modes.
- Understanding of the underlying science of the AI systems being built, including why they work and where they break.
- Experience at an AI-native company or a clear transition from backend engineering into AI specialization.
- Experience with fine-tuning or model evaluation workflows is desired.
- Familiarity with embedding pipelines and inference optimization is desired.
- Experience in defense, aerospace, or other complex operational domains is desired.
- Experience deploying software to production, including cloud environments and edge infrastructure, is desired.
- Strong ownership and a bias for action.
Benefits
- Full-time employees receive medical, dental, and vision insurance with premiums fully covered for employees and low-cost premiums for dependents.
- Basic life insurance and disability coverage are fully covered, with optional additional life insurance.
- Flexible paid time off that is not accrual-based.
- Generous company holiday calendar with a December shutdown.
- Leave programs supporting military service, medical events, and parental leave.
- 401(k) retirement plan for eligible full-time employees.
- Company-funded commuter benefits.
- Free access to the on-site office gym.
- Highly competitive equity grants are included in the majority of full-time offers.
Tech Stack
Categories
About Rune Technologies
Rune Technologies builds mission-critical software for military logistics and sustainment. Its flagship product, TyrOS, is an AI-enabled logistics command-and-control platform that gives commanders a single, real-time operating picture across inventory, distribution, medical, and operational planning, even in degraded environments. The privately held company delivers contracted software to military and government customers and supports deployment and training at government facilities and bases.