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Founding Full-Stack Engineer

WeekdayworksSan Francisco🇺🇸United States

Why this role stands out

As a founding engineer, you will play a pivotal role in shaping the technical architecture and product vision of a high-growth startup, offering unparalleled opportunities for career acceleration and direct impact. You will thrive in this position if you are an ambitious builder who enjoys solving complex challenges and collaborating closely with a visionary team in a dynamic San Francisco environment. Apply now to secure your place at the forefront of innovation and help build the future from the ground up.

Quick overview

SeniorityMid Senior
Employment typeFull Time
Work modeOn Site
LocationSan Francisco, United States
DockerGCPNext.jsGitAWSLLMRedisNode.jsReactTypeScriptCI/CD

Job description

This role is for one of our clients
Location: San Francisco (On-sit)
Experience: 2–8 years
Stage: Seed → Series B
Role Type: Early hire / founding engineer
Why This Role Exists
You’ll help build the core product from the ground up. This is a hands-on role for someone who loves shipping, thrives in ambiguity, and wants ownership over major product surfaces at an early-stage company.
What You’ll Do
Build end-to-end product features across frontend and backend
Ship quickly in 0→1 environments
Design APIs, schemas, and workflows
Partner closely with founders, product, and design
Improve reliability, performance, and developer experience
Establish engineering best practices
Use modern AI developer tools to move faster (LLM copilots, agent workflows, testing automation)
What We’re Looking For
Strong TypeScript, React, and Node.js
Experience shipping production web products
Startup or founding-engineer background (or equivalent)
Product-minded builder with high ownership
Comfortable working independently in small teams
Nice to Have
Postgres / Redis
AWS / GCP
Experience integrating LLM APIs or AI tooling
Docker & CI/CD
Active GitHub presence

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