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Founding Full Stack Engineer Jobs (NOW HIRING)

twenty80.io

Founding Full Stack Engineer

San Francisco, CA · On-site +1

$150K - $190K/yr

About the Role An early-stage startup is hiring a Founding Full Stack Engineer to help build its product from the ground up. This role will work closely with the founding team to design, develop, and ...

twenty80.io

Founding Full Stack Engineer

Boston, MA · On-site +1

$150K - $190K/yr

About the Role An early-stage startup is hiring a Founding Full Stack Engineer to help build its product from the ground up. This role will work closely with the founding team to design, develop, and ...

Mintex Technology

Founding Full-Stack Engineer

New York, NY · On-site

$120K - $180K/yr

Founding Full-Stack Engineer Job Duration: Full-time Job Location: New York City, NY & San Francsico, CA Work Arrangement: Onsite About the Role * We're looking for a Founding Engineer to build and ...

SLR Search

Founding Engineer

New York, NY

$200K - $300K/yr

Founding Full Stack Engineer Benefits - Starting Salary targeting $200K - $300K - Competitive equity package - Comprehensive medical dental vision - Monthly food stipend - Unlimited snacks and ...

NxT Level

Founding Full Stack Engineer

Manhattan, NY · On-site

$140K - $200K/yr

... engineering experience * Strong full-stack capability (React/TypeScript + Python) * High agency ... Founding-level impact: your work will shape the product and company * Immediate customer exposure ...

NxT Level

Founding Full Stack Engineer

Manhattan, NY · On-site

$140K - $200K/yr

... engineering experience * Strong full-stack capability (React/TypeScript + Python) * High agency ... Founding-level impact: your work will shape the product and company * Immediate customer exposure ...

NxT Level

Founding Full Stack Engineer

Manhattan, NY · On-site

$140K - $200K/yr

... engineering experience * Strong full-stack capability (React/TypeScript + Python) * High agency ... Founding-level impact: your work will shape the product and company * Immediate customer exposure ...

Datawizz

Founding Engineer - Full Stack

San Francisco, CA · On-site

$50K - $500K/yr

The Role As a founding full-stack engineer, you'll own the application layer of our platform - from observability and permissions to the control plane and user-facing dashboards that make our agent ...

Weekday

Founding Full-Stack Engineer

San Francisco, CA · On-site

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 ...

Fennel AI

Founding Full Stack Engineer

Menlo Park, CA · On-site

Ability to independently develop, own and execute on a roadmap * 2+ years of industry experience as a software engineer with full-stack experience * Curiosity to work in a new field - previous ...

Seekeasy

Founding Engineer, Full-stack

San Francisco, CA · On-site

$150K - $200K/yr

The Opportunity As a founding full-stack software engineer at Seekeasy, you'll shape the products that get into the hands of our customers. You'll use the latest advancements in AI, including ...

Seekeasy

Founding Engineer, Full-stack

San Francisco, CA · On-site

$150K - $200K/yr

The Opportunity As a founding full-stack software engineer at Seekeasy, you'll shape the products that get into the hands of our customers. You'll use the latest advancements in AI, including ...

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All JobsFounding Full Stack Engineer Jobs

Founding Full Stack Engineer information

See salary details

$44.5K

$134.8K

$190.5K

How much do founding full stack engineer jobs pay per year?

As of May 30, 2026, the average yearly pay for founding full stack engineer in the United States is $134,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $158,000.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Founding Full Stack Engineer, and why are they important?

To thrive as a Founding Full Stack Engineer, you need expertise in both front-end and back-end development, deep knowledge of programming languages like JavaScript, Python, or Ruby, and experience with scalable architectures, often backed by a degree in computer science or equivalent experience. Familiarity with frameworks (React, Node.js, Django), version control systems (Git), cloud platforms (AWS, GCP), and DevOps practices is typically required. Strong problem-solving, initiative, adaptability, and excellent communication distinguish successful candidates, enabling effective collaboration in a startup environment. These skills and qualities are crucial for building robust products rapidly and influencing the company's technical direction from its early stages.

What unique challenges might a Founding Full Stack Engineer face when joining an early-stage startup?

As a Founding Full Stack Engineer at an early-stage startup, you'll often balance building core product features with setting up foundational technical infrastructure. This role typically requires wearing multiple hats, from architecting systems and writing code to making critical technology decisions and collaborating closely with non-technical founders. You may encounter challenges such as ambiguous requirements, shifting priorities, and limited resources, but you'll also have significant influence over the company's technical direction. The dynamic environment encourages rapid learning and offers accelerated career growth, particularly for those who thrive in fast-paced, collaborative settings.

What is a Founding Full Stack Engineer?

A Founding Full Stack Engineer is an early, core technical team member at a startup who is responsible for building both the front-end and back-end of the company's product. This role goes beyond typical engineering, often involving product decisions, architecture design, and collaborating directly with the founders. Founding Full Stack Engineers help shape the company's culture, technical direction, and can have significant equity stake. Their work is crucial in taking the business from idea to launch, often in a fast-paced, resource-limited environment.

What is the difference between Founding Full Stack Engineer vs Full Stack Engineer?

AspectFounding Full Stack EngineerFull Stack Engineer
CredentialsTypically requires proven full stack development experience, sometimes with startup or early-stage company involvementRequires relevant full stack development skills, often with formal education or certifications
Work EnvironmentEarly-stage startups or founding teams, often wearing multiple hatsEstablished companies or startups, focused on project delivery
Employer & Industry UsageFounding teams, startups, tech entrepreneursTech companies, agencies, startups, corporate IT teams

Founding Full Stack Engineers are key players in early-stage startups, often involved in building core products from scratch and shaping company technology. Full Stack Engineers work across various company sizes, focusing on developing and maintaining applications. The main difference lies in the startup environment and level of involvement in founding the company.

More about Founding Full Stack Engineer jobs
What cities are hiring for Founding Full Stack Engineer jobs? Cities with the most Founding Full Stack Engineer job openings:
What states have the most Founding Full Stack Engineer jobs? States with the most job openings for Founding Full Stack Engineer jobs include:
What job categories do people searching Founding Full Stack Engineer jobs look for? The top searched job categories for Founding Full Stack Engineer jobs are:
Founding Full Stack Engineer jobs near you
Infographic showing various Founding Full Stack Engineer job openings in the United States as of May 2026, with employment types broken down into 2% Internship, 11% As Needed, 61% Full Time, 4% Part Time, 9% Temporary, and 13% Contract. Highlights an 86% Physical, 7% Hybrid, and 7% Remote job distribution, with an average salary of $134,771 per year, or $64.8 per hour.

Founding Full-Stack Engineer

Mintex Technology

San Francisco, CA • On-site

$120K - $200K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 15 days ago

Job description

Job Title: Founding Full-Stack Engineer 
Job Location: San Francisco, CA (Onsite)
Job Type: Full-Time Permanent
 

Job Overview
 
As a Founding Full-Stack Engineer in our YC-backed content platform located in San Francisco, you will have the unique opportunity to build and scale core product features for our persona-driven content AI. Your expertise in backend engineering using Node, Python, Go, or similar technologies will be crucial as you design, develop, and deploy backend services and AI pipelines. You will collaborate closely with the product and leadership teams to refine the product direction, ensuring high performance and reliability in our production systems. We value rapid iteration based on customer feedback, and you will play a key role in implementing changes swiftly and effectively. A strong command of deploying scalable cloud infrastructure on platforms like AWS, GCP, or Azure, coupled with familiarity in long language models (LLMs) and AI integration, will drive your success in this dynamic environment. Our technical stack includes Nextjs, TailwindCSS, Typescript, Vercel, Supabase, LangGraph, Python, and Git, and proficiency in these technologies is expected. The ideal candidate has experience building full stack applications from 0 to 1, with proven capabilities in designing scalable systems in a startup setting. You must be comfortable owning the entire product lifecycle, from customer conversations to feature implementation. This role demands a problem-solving mindset and a natural bias toward execution, requiring you to write clean, maintainable code and exhibit a keen taste for great UI design. A compensation package includes $120,000 - $200,000 per year paired with 0.25% - 2% equity, providing a tangible stake in the company's growth. Candidates should possess 0-5 years of experience and have a strong bias toward action, operating effectively amidst ambiguity and limited structure.

Responsibilities
 
  • Build and scale core product features for persona driven content AI
  • Design, develop, and deploy backend services and AI pipelines
  • Collaborate with product and leadership to refine product direction
  • Ensure high-performance and reliability in production systems
  • Iterate quickly based on customer feedback and internal research
 
Requirements
  • Strong expertise in backend engineering (Node/Python/Go or similar)
  • Comfortable with deploying scalable cloud infrastructure (AWS / GCP / Azure)
  • Familiarity with LLMs and AI integration
  • Problem-solving focus with a bias toward execution
  •  
Nice-to-Haves
  • Experience building AI-SaaS products
  • Prior startup or YC experience
  • Familiarity with data pipelines or content automation
Tech stack
Nextjs, TailwindCSS, Typescript, Vercel, Supabase, LangGraph, Python, Git
 
Benefits
  • Retirement/401k
  • Health Insurance
  • Vision Insurance
  • Dental Insurance
  • Offers Equity
  • Opportunity to shape core architecture and product strategy
  • Mercury credit card issued to everyone for work related expenses