Founding Backend Engineer Jobs

Lead the backend architecture and build production-grade LLM orchestration, workflow execution, and identity/knowledge systems for Town's AI assistant in San Francisco.

High-impact founding engineering role building AI-native, production-grade legaltech infrastructure for a seed-funded startup seeking a bilingual (EN/ES) backend-first senior engineer in Miami or NYC.

Help build Bild AI's core product as a founding product engineer, shipping end-to-end features that turn messy blueprint and construction data into simple, usable interfaces.

High-impact backend engineer role at a fast-growing insurance infrastructure startup, focused on building core systems, databases, and cloud infrastructure in San Francisco.

Hyperspell is hiring a founding platform engineer to build and scale the production infrastructure that powers its context and memory layer for AI agents.

Work as a founding software engineer at Nova Intelligence to build platform infrastructure and reliable AI Agents that operate at enterprise scale for SAP customers.

Experienced full-stack engineer needed to build and scale Nestmed's real-time AI documentation platform, owning backend-to-frontend product areas and driving enterprise-ready features.

Founding Backend Engineer at Clipbook to architect and build scalable backend and data systems that put LLMs and multimodal pipelines into production for real-world media monitoring workflows.

Lead the technical foundation at (RE)VIVE as a founding Senior Engineering Lead, building and scaling backend systems for a sustainability-driven commerce startup.