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Founding Full Stack Engineer Jobs in Rancho Cucamonga, CA

The Bronx

Senior Full Stack AI Engineer

West Covina, CA · On-site

$180 - $210/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

POSITION OVERVIEW Scion Technology has been engaged to conduct a search for an experienced Senior Full Stack AI Engineer for our client, a tech startup building infrastructure for organizations ...

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

$25 - $41/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Summary We are seeking a motivated and detail-oriented Junior Full Stack Developer to join our growing team. This role is ideal for recent graduates or professionals with 1-2 years of software ...

Raytheon

Software Engineer II, Full-Stack

Fullerton, CA

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Raytheon Software Engineering is looking for a Software Engineer II to join the Air C2 (Command and Control) and Sensors software department in Fullerton, California. * Our Culture | RTX Careers What ...

Medium

Senior Software Engineer (Full-stack)

Ontario, CA · On-site

$130 - $210/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Engineering at Swiftly Engineering at Swiftly is not only about writing code - we believe in ... You will work across the stack - contributing to backend services as well as modern frontend ...

VSolvit

JUNIOR FULL STACK DEVELOPER with Security Clearance

Norco, CA · On-site

$72K - $93K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Job Summary We are seeking a motivated and detail-oriented Junior Full Stack Developer to join our growing team. This role is ideal for recent graduates or professionals with 1-2 years of software ...

Raytheon

Senior Software Engineer, Full-stack

Fullerton, CA

$127K - $168K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Raytheon Software Engineering is looking for a Senior Software Engineer to join the Air C2 (Command and Control) and Sensors software department in Fullerton, California. * Our Culture | RTX Careers ...

Prattwhitney

Senior Software Engineer, Full-stack

Fullerton, CA · On-site

$96 - $182/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough ...

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Showing results 21-40

All JobsFounding Full Stack Engineer JobsFounding Full Stack Engineer Jobs in Rancho Cucamonga, CA

Founding Full Stack Engineer information

See Rancho Cucamonga, CA salary details

$45.5K

$137.7K

$194.7K

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

As of Aug 18, 2026, the average yearly pay for founding full stack engineer in Rancho Cucamonga, CA is $137,724.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,400.00 and $161,500.00 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.

What cities near Rancho Cucamonga, CA are hiring for Founding Full Stack Engineer jobs?

Cities near Rancho Cucamonga, CA with the most Founding Full Stack Engineer job openings:

Founding Full Stack Engineer jobs near you

Senior Full Stack AI Engineer

The Bronx

West Covina, CA • On-site

$180 - $210/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 4 days ago

Job description

POSITION OVERVIEW

Scion Technology has been engaged to conduct a search for an experienced Senior Full Stack AI Engineer for our client, a tech startup building infrastructure for organizations adopting AI at scale! This is a full-time, direct hire position offering a 100% remote schedule (EST or CST preferred).

PERKS
  • Competitive annual salary up to $210k, commensurate with experience
  • Equity package aligned with growth and merit
  • 100% employer-paid medical, dental, and vision coverage options for you and your dependents
  • 401(k) with a 100% company match on the first 6% contributed
RESPONSIBILITIES
  • Own features end-to-end while contributing to technical decisions and product development
  • Build responsive frontend applications using React and TypeScript
  • Develop scalable backend services and APIs using Python and Rust
  • Integrate applications with cloud infrastructure
  • Design and maintain databases, integrations, automated tests, and CI/CD pipelines
  • Develop AI-powered features involving LLMs, RAG, embeddings, vector databases, and AI agents as needed
  • Monitor and improve application reliability, performance, security, and cost
QUALIFICATIONS
  • 5+ years of professional software engineering experience
  • Strong Python and JavaScript/TypeScript skills
  • Production experience with React
  • Experience developing backend APIs and distributed systems
  • Familiarity with Cloud, Kubernetes, and SQL/NoSQL databases
  • Experience with Rust, Go, or another statically typed language a plus
  • Familiarity with RAG, embeddings, vector databases, AI agents, and prompt evaluation a plus
  • Familiarity with profiling tools and performance optimization techniques preferred
COMPENSATION & BENEFITS

This full-time position offers an annual base salary up to $210k, commensurate with experience. The organization provides a comprehensive benefits package including employer-paid medical, dental, and vision coverage, paid time off, 401(k) matching, wellness programs, commuter benefits, professional development opportunities, and equity.

EQUAL OPPORTUNITY EMPLOYER

Scion Staffing, Inc. is an equal opportunity employer and service provider and does not discriminate based on race, religion, gender, gender identity, national origin, citizenship status, sexual orientation, disability, political affiliation or belief, or any other protected class. We are committed to the principles of Equal Opportunity Employment and are dedicated to making employment decisions based on merit and value, for ourselves, our client companies, and the candidates we represent. For opportunities located in a region that have enacted fair chance, arrest or conviction-based employment ordinances, Scion Staffing proactively follows the enacted guidance and considers for employment all qualified applications with arrest and conviction records. We engage in socially conscious business practices and believe that diverse, inclusive, and non-biased talent and recruitment processes are foundational to the success of Scion as well as every client organization with whom we partner.

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