Founding Fullstack Engineer

Overview This role is for one of the Weekday's clients . Min Experience: 3 years

Location: New York

JobType: full-time

Ideal Candidate

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. Growth here has no ceiling—you’ll take on as much responsibility as you’re ready for.

You care deeply about small business owners and want to leverage software & AI to help them succeed.

Our Tech Stack You don’t need to know everything—we value fast learners.

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 (e.g., scheduling)—enabling businesses to operate smarter and faster.

Skills

Founding engineer

Fullstack engineering

Frontend development

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