O
San Francisco, California, United States· Full-time· Remote
$347K – $445K/yr
Artificial IntelligenceAI
W
Market pay estimate
$175,000–$250,000 / year for comparable Full Stack Developer roles in San Francisco. Estimated from 17 similar postings (medium confidence) — not stated by the employer.
Role overview
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
Next.js
Postgres / Redis
AWS / GCP
Experience integrating LLM APIs or AI tooling
Docker & CI/CD
Active GitHub presence
More like this
About this listing
- Source: Weekday's official careers site · still listed there on 7 Nov 2026
- Posted 7 Feb 2026
Jobiba does not charge job seekers. Never pay to apply or share OTPs, card or bank details.
Role market pulse
How Full Stack Developer demand looks in United States
Live jobs
150
Posted 30d
126
30d movement
+1160%
Remote share
29.3%
Salary listed
75.3%
Salary trend 1Y
Not enough history
What they are looking for
Skills & requirements
Department · Technology, Information & Media
Hiring company
Weekday
Technology
View the company profile, current openings and hiring details.
Related opportunities
Similar active roles
Relevant, currently active roles for this market.
O
San Francisco, California, United States· Full-time
$347K – $445K/yr
Artificial IntelligenceAI
O
San Francisco, California, United States· Full-time· Remote
$347K – $445K/yr
Artificial IntelligenceAI
O
San Francisco, California, United States· Full-time· Remote
$347K – $445K/yr
Artificial IntelligenceAI
LO
San Francisco, California, United States· Full-time
$140K – $210K/yr
TypeScriptPythonReactVue
U
San Francisco, California, United States· Full-time
$160K – $240K/yr
TypeScriptReactAI
🔔 Get job alerts
New Founding Full-Stack Engineer jobs in San Francisco, California, United States, straight to your inbox.
No spam · Unsubscribe anytime