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Founding Full Stack Engineer Jobs in Denver, CO (NOW HIRING)

Ranger

Full-Stack Engineer (Experienced)

Denver, CO · On-site

$130K - $200K/yr

... ambitious engineering, product, and design teams so they can get back to building. How We're ... Comfortable working and reasoning across the stack - frontend, backend, and infrastructure.

Ranger

Full-Stack Engineer (Experienced)

Denver, CO · Hybrid

$130K - $200K/yr

... ambitious engineering, product, and design teams so they can get back to building. How We're ... Comfortable working and reasoning across the stack - frontend, backend, and infrastructure.

Ranger

Full-Stack Engineer (Experienced)

Denver, CO · On-site

$130 - $200/hr

... ambitious engineering, product, and design teams so they can get back to building. How We're ... Comfortable working and reasoning across the stack - frontend, backend, and infrastructure.

Deloitte

Cyber Full Stack Manager

Denver, CO · On-site

As a Full Stack Engineer Manager in Deloitte Cyber's Digital Trust & Privacy practice, you will operate at the intersection of client-facing advisory, product engineering, and hands-on technical ...

AIR Communities

Lead Full Stack Engineer

Denver, CO · On-site

Diagnose and resolve issues across the full stack to maintain application reliability. * Write clean, maintainable, well‑documented code that aligns with engineering best practices and coding ...

Ranger

Full-Stack Engineer (Experienced)

Denver, CO · Hybrid

$130K - $200K/yr

... ambitious engineering, product, and design teams so they can get back to building. How We're ... Comfortable working and reasoning across the stack - frontend, backend, and infrastructure.

Human Agency

Senior Full-Stack Engineer

Denver, CO · On-site

We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead development initiatives, contribute to our SaaS products, and tackle exciting challenges in backend ...

Releady

Principal Full Stack Engineer (Remote)

Denver, CO · On-site

$117.10 - $137.76/hr

... stack. You will architect where it matters (assembling high-performance services, designing ... The environment is startup-minded with CI/CD and full end-to-end ownership. Developers own setup ...

Human Agency

Senior Full-Stack Engineer

Denver, CO · On-site

We're seeking a Senior Full-Stack Engineer to join our growing team. In this role, you'll lead development initiatives, contribute to our SaaS products, and tackle exciting challenges in backend ...

Deloitte

Cyber Full Stack Senior Consultant

Denver, CO · On-site

As a Full Stack Engineer Senior Consultant in Deloitte Cyber's Digital Trust & Privacy practice, you will operate at the intersection of client-facing advisory, product engineering, and hands-on ...

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Showing results 21-40

All JobsFounding Full Stack Engineer JobsFounding Full Stack Engineer Jobs in Denver, CO

Founding Full Stack Engineer information

See Denver, CO salary details

$45.8K

$138.7K

$196.1K

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

As of Aug 22, 2026, the average yearly pay for founding full stack engineer in Denver, CO is $138,717.00, according to ZipRecruiter salary data. Most workers in this role earn between $114,200.00 and $162,600.00 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 are popular job titles related to Founding Full Stack Engineer jobs in Denver, CO?

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

What job categories do people searching Founding Full Stack Engineer jobs in Denver, CO look for?

The top searched job categories for Founding Full Stack Engineer jobs in Denver, CO are:

What cities near Denver, CO are hiring for Founding Full Stack Engineer jobs?

Cities near Denver, CO 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 Denver, CO as of August 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $138,717 per year, or $66.7 per hour.

Senior Full Stack Engineer (TS/SCI with Polygraph Required)

DeNOVO Solutions

Aurora, CO

$155K - $225K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 days ago

Job description

Position: Full Stack Engineer – Sr
Location: Aurora, CO
Clearance: TS/SCI with Counter-Intelligence Polygraph
Lead the Design and Delivery of Scalable Full-Stack Applications
DeNOVO Solutions is seeking a Full Stack Engineer – Senior to lead the design and development of scalable applications ensuring high performance and reliability across the full stack. This role architect's backend services and APIs with Node/Express, designs advanced NiFi flows for data orchestration, and enforces comprehensive testing standards. The engineer mentors junior developers, drives code quality, and promotes best practices for maintainable and efficient software delivery.
Why You’ll Love This Role
  • Shape the Architecture: Define scalable backend and API structures that drive mission success.
  • Promote Excellence: Lead code reviews and testing standards to ensure performance and reliability.
  • Mentor and Grow Talent: Guide junior engineers while improving team development processes.
A Day in the Life
  • Lead design and development of scalable full-stack features.
  • Architect backend services and API layers with Node/Express.
  • Design robust NiFi flows for messaging and data orchestration.
  • Establish and maintain test coverage using Vitest, Cypress, and Playwright.
  • Drive code quality and enforce testing standards across the team.
  • Mentor junior developers and review code for maintainability and performance.
What You Bring to the Table
  • Advanced proficiency in JavaScript, Vue.js, and Node.js (middleware and API design).
  • Strong experience with MongoDB (aggregation and indexing).
  • Expertise in NiFi (error handling, flow templates).
  • Deep familiarity with testing tools: Vitest (unit/mocking), Cypress (component/UI), Playwright (E2E).
  • Hands-on experience with Git and CI pipelines (e.g., GitHub Actions).
What You Need
  • Experience: Ten (10) to fifteen (15) years of related professional experience supporting programs and contracts of similar scope, type, and complexity.
  • Education: Bachelor’s degree or higher in a computer science or related discipline (e.g., Statistics, Mathematics, Programming, or Systems Engineering). In lieu of a Bachelor’s degree, two (2) additional years of related experience may be substituted.
  • Substitution of Experience: A Master’s degree from an accredited college or university in a related engineering discipline (e.g., Statistics, Mathematics, Operations Research, Cyber Security, Engineering or Computer Science) may be substituted for two (2) years of experience. A PhD from an accredited college or university in a related engineering discipline may be substituted for four (4) years of experience.
  • Clearance: TS/SCI with Counter-Intelligence Polygraph
Why Join DeNOVO Solutions?
At DeNOVO Solutions, we make improving the competitive position of our customer paramount in importance and work collaboratively to ensure the best service possible. DeNOVO Solutions provides cleared personnel and cost competitive solutions to our customers. We strive to be the leader amongst small businesses in the Intelligence Community and provide personnel with talent amp; skills equal to the larger companies. As a Minority-Owned and Service-Disabled Veteran-Owned Small Business (MO/SDVOSB), we are dedicated to providing the best technical and professional services throughout the Intelligence Community (IC).
Our benefits package for full-time employees includes:
  • Competitive Wages – This position’s annualized pay range is $155,000.00 to $225,000.00
  • Medical, Dental, and Vision Premiums 100% Employer Paid for you and your legal dependents or plus up, cost split plan.
  • DeNOVO Paid Health Reimbursement Account (HRA)
  • 401k with 6% Match
  • 11 Paid Federal Holidays
  • 120 hours of Paid Time Off (PTO)
  • Company Outings and Trips
  • Tuition Reimbursement, Skillset Training, and New/Renewed Certification assistance
  • HomeFundIt Company Down Payment Match – Employer match towards the down payment of buying a new home
DeNOVO Solutions is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, marital status, veteran status, sexual orientation, genetic information or any other protected characteristic under applicable law.
Ready to Apply?
Join our mission to deliver reliable, scalable, and innovative full-stack solutions supporting critical national programs.

Apply