Senior Fullstack Engineer (Node/Nest Next.js) at a No-BS, YC-Backed AI Startup

We’re scaling fast post-YC and looking for a top-tier full-stack engineer who can hustle, hack, and ship code fast — with a sharp focus on AI, real-time data, and modern UI. You’ll help build a product that leverages advanced LLMs and vector databases to rethink how AI-native software is created and shipped.

• You’ll Be the Second Engineer on the Team: Work directly with the founders and core dev, and shape the product, tech stack, and company culture from day one.
• YC Experience: Join us as we scale after YC with real customers and velocity.
• Early-Stage Options: Own meaningful equity through early stock options.
• Remote-First, US Time Zone: Work async with a sharp, no-fluff team — where ideas move fast from concept to production.
• Real Impact: Your code will ship, break, get fixed, and ship again — sometimes in the same afternoon.

• Fullstack Builder: You’re confident with both Node.js/NestJS on the backend and Next.js on the frontend.
• AI-Native Developer: You’ve worked with OpenAI APIs, vector databases like pgvector, and understand LangGraph or similar orchestration tools.
• Infra-Curious: You know when to reach for Redis, Kafka, or edge networks like Cloudflare, and how to make systems scale.
• Hacker Mentality: You’re quick to dive into new tools, debug APIs, and ship experiments.
• Self-Starter: You don’t wait for specs — you identify blockers and solve them.
• Speed Demon: Thrive in a high-velocity environment where weeks feel like sprints.

• Ship Fast: Build features from scratch and push to production — fullstack.
• LLM Integration: Use Azure OpenAI to build HIPAA-compliant, intelligent workflows using LangGraph + LangSmith.
• Design Architecture: Help architect event-driven services with Kafka/Redis and scale vector search with pgvector.
• Own Frontend: Craft clean UI with Shadcn UI and stream results using Vercel AI SDK.
• Dogfood Everything: Use the tools we build, break them, and improve them — fast.

• Founding-Level Influence: As the second engineer, you’ll have a major impact on product, codebase, and culture.
• Build Something Big: Help shape the future of AI-native developer tools.
• No Corporate BS: We run lean, make fast decisions, and prioritize results over politics.
• Options That Matter: Your early equity has real upside.
• YC-Driven Velocity: The pace is real. The work is real. The team is all-in.

Ready to help reinvent how AI-native products are built? Choose your stack—own it end-to-end—and build with us. WorkDone wants you.

How to Apply: Send your GitHub, resume, or anything you’re proud of. Bonus if you’ve built anything with LLMs. Let’s build something extraordinary — together.