Weekday AI (YC W21) · 4 months ago
Founding Fullstack Engineer
New York, NY
Full-time
Onsite
Mid Level
3+ years expWeekday AI is a startup focused on leveraging software and AI to support small business owners. They are seeking a Founding Fullstack Engineer who is passionate about building impactful products and is eager to take on significant responsibilities in a fast-paced environment.
Computer Software
Responsibilities
2+ years of full-stack development experience
A true product engineer—you love building products that users interact with directly
Passionate about startups—not just the buzz, but the real challenge of creating something impactful from the ground up
You thrive in autonomy, eager to make key technical and product decisions, move fast, and shape the future of the product
You care deeply about small business owners and want to leverage software & AI to help them succeed
Qualification
Required
3 years of experience
2+ years of full-stack development experience
A true product engineer—you love building products that users interact with directly
Passionate about startups—not just the buzz, but the real challenge of creating something impactful from the ground up
You thrive in autonomy, eager to make key technical and product decisions, move fast, and shape the future of the product
You care deeply about small business owners and want to leverage software & AI to help them succeed
Frontend: React, Next.js
Backend: Node.js, PostgreSQL, Drizzle
Infrastructure: tRPC in a Monorepo, deployed on Vercel
AI: LLMs for streamlining small business operations, data pipelines for onboarding, and agentic workflows for automating complex tasks
Founding engineer
Fullstack engineering
Frontend development
Company
Weekday AI (YC W21)
We are a YC-backed recruitment startup. Find select jobs posted by premium YC as well as VC backed startups here. Hand-curated by Weekday team.
11-50 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase