Founding Engineer

FABRION
San Francisco, CA, United States
2 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Regular working hours
Job source

Tech stack

LangGraph Framework Microsoft Excel Artificial Intelligence Amazon Web Services Big Data Cloud Computing Databases Continuous Integration Data Systems Github Python (Programming Language) PostgreSQL
+26 more
Node.Js Octopus Deploy OpenAI Next.js TypeScript Web Applications Web Application Frameworks Pinecone Qdrant Okta Tailwind LangChain ReactJS Delivery Pipeline Large Language Models Backend Fastapi Kubernetes Apache Kafka Graphql Front End Software Development Api Design Restful APIs Data Pipelines Docker Web Api

Job description

We’re hiring a founding full stack engineer to help architect and build the platform from day one. This is a unique opportunity to own a significant portion of the tech stack and grow into a leadership role with considerable upside in equity. You’ll be working on infrastructure that combines large-scale data systems with AI-native agents. This is a highly autonomous, high-leverage role with ownership over core architecture and early team culture., * Architect and build scalable APIs, backend services, and web application components

  • Contribute across the stack: data pipelines, agents, web UIs, deployment systems
  • Design and implement internal tooling, testing frameworks, and CI/CD pipelines
  • Collaborate closely with product and design to prototype and ship features quickly
  • Help define engineering processes, contribute to documentation, and grow the early team

Requirements

  • Languages: TypeScript (Node.js), Python (FastAPI)
  • Frontend: React, Next.js, Tailwind, shadcn/ui
  • Backend: Postgres, DuckDB, GraphQL (Hasura), Kafka, REST
  • Cloud/Infra: AWS, Docker, GitHub Actions, ArgoCD, Kubernetes (basic)
  • AI/Agents: LangChain, LangGraph, OpenAI, Anthropic, LLaMA, Pinecone, Qdrant
  • Governance: Keycloak, Open Policy Agent (OPA), OpenTelemetry, Slack integrations
  • Visualization: Vega, Flourish, React ReChart
  • Connectors: ERP, PLM, Excel, Email, Web APIs, * 5+ years as a full stack or backend engineer
  • Experience owning and delivering production systems end-to-end
  • Prior experience with modern frontend frameworks (React, Next.js)
  • Familiarity with building APIs, databases, cloud infrastructure, or deployment workflows at scale
  • Comfortable working in early-stage startups or autonomous roles; prior experience as a founder, founding engineer, or a 0-1 pre-seed startup is a big plus

Mindset

  • Comfortable with ambiguity, eager to prototype and iterate quickly
  • Strong sense of ownership - prefers to build systems rather than wait for tickets
  • Enjoys thinking about architecture, performance, and tradeoffs at every level
  • Clear communicator and pragmatic team player
  • Values equity and impact over prestige or hierarchy
  • Prior startup or founding team experience, * Interest in data systems, agent workflows, or LLM orchestration

Benefits & conditions

  • True ownership - early equity and influence over product and technical direction
  • Mission-driven team solving complex data and AI problems with real-world impact
  • Strong engineering culture focused on velocity, clarity, and long-term thinking
  • Learning curve across AI, data infra, agents, and enterprise-scale platforms
  • Early access to cutting-edge AI workflows and deployment patterns

If you want to build systems that learn, act, and evolve - with the autonomy to shape the stack and the team - we’d love to hear from you.

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