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Founding Full Stack Engineer Jobs (NOW HIRING)

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 ...

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 : • ...

AI ECD Inc.

Founding Full Stack Developer

Mission, KS · On-site

The Stack Frontend React TypeScript Tailwind CSS Mobile-First Responsive Design Vercel Python AWS ... Founding Engineer DNA: 2+ years of professional experience (excluding course projects). You are a ...

AI ECD Inc.

Founding Full Stack Developer

San Jose, CA · On-site

We want an engineer who can build secure, reliable, parent-friendly AI systems for sensitive family ... Stack Frontend Vercel Python AWS Lambda AWS RDS Cognito AI OpenAI Google Gemini Anthropic Claude ...

Principled

Full Stack Engineer

Washington, DC · On-site

With a small but exceptional founding team, the company is tackling one of the toughest problems in ... The Role As a Full Stack Engineer , you'll operate as a true generalist designing, implementing ...

NxT Level

Full-Stack Engineer

Austin, TX · On-site

Full-Stack Engineer, AI-Native Platform Team Loves top schools. Atheletes Debate Winners and people ... Partner closely with the founding team to move quickly from idea to shipped product * Help define ...

NxT Level

Full-Stack Engineer

Austin, TX · On-site

Full-Stack Engineer, AI-Native Platform Team Loves top schools. Atheletes Debate Winners and people ... Partner closely with the founding team to move quickly from idea to shipped product * Help define ...

NxT Level

Full-Stack Engineer

Austin, TX

Full-Stack Engineer, AI-Native Platform Team Loves top schools. Atheletes Debate Winners and people ... Partner closely with the founding team to move quickly from idea to shipped product * Help define ...

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Founding Full Stack Engineer information

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$44.5K

$134.8K

$190.5K

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

As of Sep 10, 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 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.

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Founding Full Stack Engineer jobs near you
Infographic showing various Founding Full Stack Engineer job openings in the United States as of September 2026, with employment types broken down into 1% Internship, 92% Full Time, 3% Part Time, and 4% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $134,771 per year, or $64.8 per hour.

Founding Engineer

Bodega Bay, CA • On-site

Fabrion
See more jobs at Fabrionexternal

Full-time

Re-posted 5 days ago

Job description

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 to tackle one of the industry’s most critical infrastructure problems.

About the Role

We’re hiring a founding full stack engineer to help architect and build the platform from day one. This is a unique opportunity to a significant portion of the tech stack and grow into a leadership role with considerable upside in equity.

You’ll be working on infrastructure that combines large-scale data systems with AI-native agents. This is a highly autonomous, high-leverage role with ownership over core architecture and early team culture.

You’ll be writing production code across backend and frontend, defining interfaces between components, shaping devops and data infrastructure, and helping translate abstract concepts into working systems. If you’re someone who prefers fast feedback, direct impact, and long-term upside — this is for you.

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

Our Stack

An ability to learn and grasp new technologies quickly trumps knowing the entire tech stack — you should be comfortable learning and adapting in a fast-moving environment. The following represents the types of technologies you will be working with:

Languages: TypeScript (Node.js), Python (FastAPI)
Frontend: React, Next.js, Tailwind, shadcn/ui
Backend: Postgres, DuckDB, GraphQL (Hasura), Kafka, REST
Cloud/Infra: AWS, Docker, GitHub Actions, ArgoCD, Kubernetes (basic)
AI/Agents: LangChain, LangGraph, OpenAI, Anthropic, LLaMA, Pinecone, Qdrant
Governance: Keycloak, Open Policy Agent (OPA), OpenTelemetry, Slack integrations
Visualization: Vega, Flourish, React ReChart
Connectors: ERP, PLM, Excel, Email, Web APIs

What We’re Looking For

Experience:

  • 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

Mindset:

  • 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

Bonus:

  • Contributions to open-source or internal tools with impact

  • Interest in data systems, agent workflows, or LLM orchestration

Why Join

  • True ownership — early equity and influence over product and technical direction

  • Mission-driven team solving complex data and AI problems with real-world impact

  • Strong engineering culture focused on velocity, clarity, and long-term thinking

  • Learning curve across AI, data infra, agents, and enterprise-scale platforms

  • Early access to cutting-edge AI workflows and deployment patterns

If you want to build systems that learn, act, and evolve — with the autonomy to shape the stack and the team — we’d love to hear from you.