ZipRecruiter

Log In

1

Founding Full Stack Engineer Jobs in Rancho Cucamonga, CA

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

They are seeking a motivated and detail-oriented Junior Full Stack Developer to join their team, focusing on both front-end and back-end development using modern web technologies. Responsibilities ...

VSolvit

SOFTWARE DEVELOPER (FULL STACK)

Norco, CA · On-site

$110K - $165K/yr

Job Summary We are seeking an experienced Software Developer (Full Stack) to lead the design, development, and maintenance of complex software applications. The ideal candidate will have significant ...

VSolvit

FULL STACK SOFTWARE DEVELOPER

Norco, CA · On-site

$105K - $165K/yr

Job Summary We are seeking an experienced Software Developer (Full Stack) to lead the design, development, and maintenance of complex software applications. The ideal candidate will have significant ...

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

$25 - $41/hr

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 ...

next page

Showing results 1-20

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 Jul 26, 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, 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 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 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 are popular job titles related to Founding Full Stack Engineer jobs in Rancho Cucamonga, CA? For Founding Full Stack Engineer jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:
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
LoopNet - Senior Full Stack Engineer

LoopNet - Senior Full Stack Engineer

CoStar Group

Orange, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 2 days ago

Job description

LoopNet - Senior Full Stack Engineer
Job Description
CoStar Group is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives.
We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. We've continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation. This is how we deliver for our customers, our employees, and investors. By equipping the brightest minds with the best resources available, we provide an invaluable edge in real estate.
LoopNet, the most popular place to find a space, is the #1 global commercial real estate marketplace. With more than 12 million global unique monthly visitors, LoopNet provides brokers, buyers and sellers with what they need to meet and make deals. LoopNet has established itself as the most effective and far-reaching digital marketplace for commercial real estate owners and brokers. We are not done yet! We continue to focus on driving expansion by increasing market share in the US and abroad, continuously innovating and enhancing the product and growing a powerhouse global team to reach our goals. Learn more about LoopNet.
Our team is seeking an accomplished Senior Software Engineer to join our team in supporting multiple software products and brands across the organization, such as www.LoopNet.com. You will have a direct impact on highly visible web applications that touch more than 10,000,000 users. You continuously learn emerging technologies and architecture advancements and apply the learnings to improve LoopNet's software products.
This position is located in Irvine, CA and offers 4 days a week onsite with 1 day work from home.
RESPONSIBILITIES:
  • Design and develop using Object Oriented design principles and software design patterns to attain high reusability and maintainability.
  • Deep knowledge and experience in writing unit testable software with C#
  • Develop an in-depth understanding of CoStar's product architecture and frameworks. Maintain and contribute to CoStar's product platform as necessary.
  • Develop database stored procedures and SQL scripts/ETL jobs that meet CoStar database standards to implement product requirements.
  • Participate and drive continuous improvement within CoStar's Agile/Scrum teams.
  • Build consensus among different teams working on software development projects.
  • Facilitate discussions among other .NET and database developers to exchange new ideas and improvements.
  • Continually evaluate emerging technologies to identify opportunities, trends and best practices that can be used to strengthen CoStar's technology platform and development practices.

REQUIRED QUALIFICATIONS:
  • Bachelor's Degree required from an accredited, not-for-profit university or college.
  • A track record of commitment to prior employers.
  • Working knowledge Vue, React or Angular in TypeScript
  • Experience with AWS S3, SQS, Dynamo, ElastiCache, Apache Kafka and Datadog
  • Leverage AI Coding Tools for development, refactoring, and debugging (Claude Code, GitHub Copilot or equivalent).
  • 7+ years of production development experience with C# .Net (or .Net Core)
  • A demonstrable track record of building and launching successful products and platforms
  • Deliver products that meet specifications and performance SLA
  • Deeply understand what drives the business for which you are building software

PREFERRED QUALIFICATIONS:
  • Experience in relational database design (MS SQL or MySQL) including performance tuning
  • Application security knowledge and experience with Git-based workflows.
  • Take an active role in mentoring developers with ability to build consensus
  • Experienced in unit, performance, and automation testing

What's in it for You:
When you join CoStar Group, you'll experience a collaborative and innovative culture working alongside the best and brightest to empower our people and customers to succeed.
We offer you generous compensation and performance-based incentives. CoStar Group also invests in your professional and academic growth with internal training, and tuition reimbursement.
Our benefits package includes (but is not limited to):
  • Comprehensive healthcare coverage: Medical / Vision / Dental / Prescription Drug
  • Life, legal, and supplementary insurance
  • Virtual and in person mental health counseling services for individuals and family
  • Commuter and parking benefits
  • 401(K) retirement plan with matching contributions
  • Employee stock purchase plan
  • Paid time off
  • Tuition reimbursement
  • On-site fitness center and/or reimbursed fitness center membership costs (location dependent), with yoga studio, Pelotons, personal training, group exercise classes
  • Access to CoStar Group's Employee Resource Groups
  • Complimentary gourmet coffee, tea, hot chocolate, fresh fruit, and other healthy snacks

We welcome all qualified candidates who are currently eligible to work full-time in the United States to apply. However, please note that CoStar Group is not able to provide visa sponsorship for this position.
This position offers a base salary range of $124,000-$187,000, based on relevant skills and experience and includes a generous benefits plan.
#LoopNet
#LI-AV1
CoStar Group is an Equal Employment Opportunity Employer; we maintain a drug-free workplace and perform pre-employment substance abuse testing

Apply