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# Founding Engineer (Full-Stack)

- **Company:** Y Combinator
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Salary:** $175,000.0 - $200,000.0
- **Contract:** Permanent contract
- **Skills:** LangGraph Framework, Artificial Intelligence, Microsoft Azure, Data Integrity, Relational Databases, Github, PostgreSQL, Node.Js, OpenAI, Next.js, Software Engineering, Systems Integration, TypeScript, User-Centered Design, ReactJS, Large Language Models, Backend, Vue.js, Event Driven Architecture, Information Technology, Front End Software Development, Virtual Agents, Serverless Computing
- **Published:** October 11, 2026
- **Apply:** https://www.juju.com/job/16_ef62b82e4

## About the Role

Required:

 * 2+ years of professional software engineering experience delivering full-stack web applications
 * Hands-on experience with TypeScript and Node.js backend development
 * Strong proficiency with PostgreSQL and relational database design
 * Frontend experience with Vue.js + Nuxt, or React/Next.js
 * Experience owning features end-to-end - from concept through deployment to maintenance
 * Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience
 * Willing and able to relocate to San Francisco and work on-site

Nice to Have:

 * Experience deploying and managing applications with Render and Inngest; familiarity with Microsoft Azure
 * Background or exposure to marketing technology or AdTech
 * Experience integrating with LLM APIs (OpenAI, Anthropic, Google, etc.) or building AI/ML-powered features
 * Familiarity with serverless workflows or event-driven architecture

## Description

Join an early-stage, Y Combinator-backed AI marketing automation startup as a Founding Engineer (Full-Stack). You'll be one of the first engineers on the team, taking full ownership of features from concept through deployment - working directly with founders and customers to shape the product and infrastructure from the ground up.
What You'll Do

 * Own end-to-end feature development across the full stack: frontend (Vue.js/Nuxt), backend (Node.js/TypeScript), and AI agent integrations (LangGraph)
 * Architect and maintain robust PostgreSQL database schemas using Supabase, ensuring data integrity and performance
 * Manage deployments, background jobs, and infrastructure using Render and Inngest; maintain dedicated deployments on Microsoft Azure
 * Apply user-centric design thinking across the full product lifecycle
 * Collaborate closely with the operations team and customers (via Slack and Notion) to align technical solutions with real user needs
 * Contribute to tooling and internal workflows using Linear, GitHub, Slack, and Notion