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Lyric is an enterprise AI platform built specifically for supply chains. The company helps Fortune 500 organizations (including Smurfit WestRock, Estée Lauder, Coca-Cola) optimize networks, allocate inventory, schedule routes, and build supply chain decision intelligence through a combination of out-of-the-box AI solutions and a flexible, composable platform.
As a Platform Engineer - Backend, you will build the core backend infrastructure that powers Lyric's product teams and AI agents. You'll own platform capabilities end-to-end: from problem definition and design through production and iteration. Your work will span core platform services and the agentic layer, including the framework for building and orchestrating agents.
Key responsibilities:
- Design and own platform capabilities end-to-end, from ambiguous problem to production behavior
- Build reusable services, APIs, and execution patterns that other teams depend on
- Architect data models, handle concurrency and failure scenarios, optimize performance, and implement observability
- Work on production agent loops, tool integration, orchestration, and the experiences built on top
- Debug complex systems and evolve them based on production learnings
The company hires at Senior and Staff levels based on demonstrated scope, not title. You'll work in a startup environment with hands-on ownership and clear communication expected when the path isn't prescribed.
REQUIREMENTS:
- Strong fundamentals in problem decomposition, data structures, low-level design, and debugging
- Demonstrated experience building and owning production systems, including understanding what broke and how they evolved
- Deep understanding of APIs, databases, and system behavior below the framework layer (exact stack match matters less than conceptual depth)
- Startup experience and hands-on ownership style
- Clear communication skills, especially when navigating ambiguous problems
Good to have:
- Experience with developer platforms, workflow orchestration, or services with many downstream consumers
- Knowledge of agent evaluation, tracing, tool integration, or cost controls
- Python depth
