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Founding Full Stack Engineer Jobs in California (NOW HIRING)

Fabrion

Founding Engineer

San Francisco, CA · On-site

$152K/yr

They are seeking a founding full stack engineer to architect and build the platform from day one, with significant ownership over core architecture and early team culture. Responsibilities : • ...

Fabrion

Founding Engineer

Bodega Bay, CA · On-site

Founding Engineer (Full Stack) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity (founding tier) Backed by 8VC, we're building a world-class team ...

Nexusflow.ai, Inc.

Full-Stack Engineer

Palo Alto, CA

Full-Stack Engineer Nexusflow is currently adding Full-Stack Engineers to our team. Our full-stack engineers are responsible for packaging up our technology in models and last-mile quality toolings ...

Info Way Solutions

Full stack engineer

Fremont, CA · On-site

Info Way Solutions is seeking a Senior Full Stack Engineer with a focus on React and Rails. The role requires extensive experience in full-stack engineering, particularly with big data systems, and ...

Readily

Senior Full-Stack Engineer

San Francisco, CA · On-site

They are looking for a Senior Full-Stack Engineer to join their founding team, where the candidate will take ownership of projects from customer discovery to product launch, directly impacting the ...

Satori Digital

Full Stack Engineer

San Francisco, CA · On-site

$175K - $220K/yr

We're looking for a product minded Full Stack Software Engineer who thrives at the intersection of ... Either as one of three profiles: a) joined early and seen scale over 3-5+ years, b) founding ...

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Founding Full Stack Engineer information

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 are the key skills and qualifications needed to thrive as a founding full stack engineer?

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 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.

What are popular job titles related to Founding Full Stack Engineer jobs in California?

For Founding Full Stack Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Founding Full Stack Engineer jobs in California look for?

The top searched job categories for Founding Full Stack Engineer jobs in California are:

What cities in California are hiring for Founding Full Stack Engineer jobs?

Cities in California with the most Founding Full Stack Engineer job openings:

Founding Full Stack Engineer jobs near you
Infographic showing various Founding Full Stack Engineer job openings in California as of August 2026, with employment types broken down into 91% Full Time, and 9% Contract. Highlights an 91% In-person, and 9% Remote job distribution.

Founding Engineer

Fabrion

San Francisco, CA • On-site

$152K/yr

Full-time

Re-posted 14 days ago

Job description

Job Summary:
Fabrion is a company backed by 8VC, focused on building a world-class team to address critical infrastructure problems in the industry. They are seeking a founding full stack engineer to architect and build the platform from day one, with significant ownership over core architecture and early team culture.
Responsibilities:
• Architect and build scalable APIs, backend services, and web application components
• Contribute across the stack: data pipelines, agents, web UIs, deployment systems
• Design and implement internal tooling, testing frameworks, and CI/CD pipelines
• Collaborate closely with product and design to prototype and ship features quickly
• Help define engineering processes, contribute to documentation, and grow the early team
Qualifications:
Required:
• 5+ years as a full stack or backend engineer
• Experience owning and delivering production systems end-to-end
• Prior experience with modern frontend frameworks (React, Next.js)
• Familiarity with building APIs, databases, cloud infrastructure, or deployment workflows at scale
• Comfortable working in early-stage startups or autonomous roles, prior experience as a founder, founding engineer, or a 0-1 pre-seed startup is a big plus
• Comfortable with ambiguity, eager to prototype and iterate quickly
• Strong sense of ownership — prefers to build systems rather than wait for tickets
• Enjoys thinking about architecture, performance, and tradeoffs at every level
• Clear communicator and pragmatic team player
• Values equity and impact over prestige or hierarchy
• Prior startup or founding team experience
Preferred:
• Contributions to open-source or internal tools with impact
• Interest in data systems, agent workflows, or LLM orchestration
Company:
Fabrion is an AI-native platform purpose-built for the new industrial era Founded in 2025, the company is headquartered in San Francisco, USA, with a team of 2-10 employees. The company is currently Early Stage.

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