Full-Stack Software Engineer, Core Platform

Lumbra is building Nebula, an agentic harness that transforms how analysts work with information, turning days of manual synthesis into minutes of AI-augmented insight. We're looking for a full-stack engineer to own features end to end across our Python backend and React frontend, shipping capability that puts powerful AI tooling directly in the hands of users.

Design and build backend API endpoints in FastAPI backed by PostgreSQL and SQLAlchemy to power agent configuration, workflow orchestration, and evaluation pipelines. You need strong Python skills and comfort with relational data modeling, async patterns, and layered service architectures.

Implement interactive frontend features in React with TypeScript, including conversation interfaces, workflow visualization, and knowledge graph exploration. Comfort with modern React patterns and state management is essential.

Build and maintain durable workflow orchestration for long-running agent execution, including delegation, monitoring, and timeout propagation. Experience with distributed task orchestration systems is a strong plus.

Own features across the full stack , from database migrations through API contracts to UI state management. You need to be comfortable reasoning about data flow through every layer of the system.

Bring sound software engineering fundamentals to a fast-moving codebase: clean abstractions, well-defined interfaces, and architecture that survives rapid iteration. In an era of AI-assisted development and constant change, we value engineers who write code that is easy to understand, refactor, and extend.