1

Senior Full Stack Web Developer Jobs in Denver, CO

Reports to: CEO The role We're hiring a senior full-stack engineer to build the next generation of ... Ship measurable improvements to either response quality, system performance, or developer velocity.

Reports to: CEO The role We're hiring a senior full-stack engineer to build the next generation of ... Ship measurable improvements to either response quality, system performance, or developer velocity.

Reports to: CEO The role We're hiring a senior full-stack engineer to build the next generation of ... Ship measurable improvements to either response quality, system performance, or developer velocity.

We are seeking a skilled Full Stack Developer to join our team and contribute to the creation of dynamic, user-centric web applications. In this role, you'll work on a variety of exciting projects ...

Showing results 21-40

Senior Full Stack Web Developer information

See Denver, CO salary details

$50.9K

$121.3K

$248.1K

How much do senior full stack web developer jobs pay per year?

As of Aug 6, 2026, the average yearly pay for senior full stack web developer in Denver, CO is $121,332.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,300.00 and $131,700.00 per year, depending on experience, location, and employer.

What is the difference between Senior Full Stack Web Developer vs Front End Developer?

AspectSenior Full Stack Web DeveloperFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, including JavaScript, HTML, CSS, server-side languages, databasesExpertise in HTML, CSS, JavaScript, and front-end frameworks like React or Angular
Work EnvironmentFull-stack development teams, both client and server-side projectsPrimarily UI/UX design, front-end frameworks, and client-side scripting
Common UsageUsed across startups, tech companies, and agencies requiring comprehensive development skillsUsed in projects focusing on user interface, visual design, and user experience

The main difference between a Senior Full Stack Web Developer and a Front End Developer lies in scope. The senior full stack role covers both front-end and back-end development, requiring broader skills and experience, while the front end developer specializes in creating and optimizing the user interface and experience.

What is a senior full stack web developer?

A Senior Full Stack Web Developer is an experienced software professional who designs, develops, and maintains both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to build user interfaces, server-side logic, databases, and APIs. Senior-level developers also often lead teams, make architectural decisions, and mentor junior developers. Their expertise ensures that web applications are scalable, secure, and efficient from end to end.

How does a senior full stack web developer typically collaborate with cross-functional teams on large-scale projects?

Senior Full Stack Web Developers frequently work alongside designers, product managers, QA engineers, and other developers to deliver feature-rich web applications. They participate in sprint planning, code reviews, and architectural discussions, ensuring alignment between front-end and back-end solutions. Effective communication is crucial, as they often translate technical concepts for non-technical stakeholders and help integrate feedback from different departments. This collaborative approach not only improves product quality but also provides valuable leadership opportunities within the development team.

What are the key skills and qualifications needed to thrive as a senior full stack web developer?

To thrive as a Senior Full Stack Web Developer, you need advanced proficiency in both front-end (e.g., JavaScript, React, HTML/CSS) and back-end (e.g., Node.js, Python, databases) technologies, typically backed by a computer science degree or equivalent experience. Expertise with version control systems like Git, cloud platforms (AWS, Azure), and familiarity with CI/CD pipelines or relevant certifications are highly valuable. Strong problem-solving, leadership, and communication skills help you effectively collaborate and mentor junior developers. These skills are crucial for delivering robust, scalable applications and leading projects across diverse technical and team environments.
What are the most commonly searched types of Full Stack Web Developer jobs in Denver, CO? The most popular types of Full Stack Web Developer jobs in Denver, CO are:
What cities near Denver, CO are hiring for Senior Full Stack Web Developer jobs? Cities near Denver, CO with the most Senior Full Stack Web Developer job openings:
Infographic showing various Senior Full Stack Web Developer job openings in Denver, CO as of August 2026, with employment types broken down into 1% Internship, 78% Full Time, 13% Part Time, and 8% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $121,332 per year, or $58.3 per hour.

Full Stack Web Application Developer

Aspen Systems Inc

Wheat Ridge, CO

Full-time

Medical, Dental, Retirement, PTO

Re-posted 26 days ago


Job description

Company Description

In 2002, Aspen Systems, Inc. manufactured a high-performance computational cluster that was named as the world's eighth fastest supercomputer. From 2003 through 2006, Aspen Systems, Inc. was ranked on Deloitte & Touche Technology Fast 50 Program for Colorado; a prestigious list of the fifty fastest growing technology companies in the area. Colorado Biz Magazine listed Aspen Systems, Inc. among its Top 250 companies in Colorado over four consecutive years (2003-2006). Aspen Systems, Inc. is a certified audited vendor for Lockheed Martin and was honored to hold the esteemed Lockheed Martin Star Supplier award in 2008; an accolade granted only to the top 0.1% of LMCO suppliers. Aspen Systems, Inc. is an ISO9001: 2008 certified company and manufactures in our own fully compliant ANSI/ESD S20.20 facility. This is non-smoking environment for our employees. 
At Aspen Systems our success is attributed to the people we hire. We constantly seek individuals with the skills, talent, vision and creativity to go beyond a simple job description, Do you think way outside the box? We are a group of talented professionals who enjoy our work and are driven to succeed. Come join us on our rapidly growing and very successful journey. We are growing fast, the excitements, challenges and opportunities are very real and we are having fun at being the very best.  Our team is one that is talented, driven, and dedicated to what we do.  We want to grow our enterprise to the 100 million dollar level and beyond.  We are seeking dedicated, talented, and driven candidates who can help us to achieve that vision.  Our culture is one of inclusion, dedication, and our team is diverse.  This is a fantastic group of individuals who work together for the common goal of success.  Our field in High Performance Computing and clientele is tip of the spear in scientific and research computing that is world renown. This is an exciting place to be that is second to none.  Would you like to be part of a web team that builds one of the most advanced High Performance Computing e-commerce site in the industry?  Are you up to the challenge?  Do you aspire to be a part of this incredible opportunity?  
As an Equal Opportunity Employer, we encourage diversity in our workplace. Aspen Systems also offers a competitive benefits package including medical, dental, and generous holidays and paid vacation.

Job Description

Responsibilities Include:

  • Maintaining and improving our growing E-Commerce site. 
  • Maintaining and improving our custom internal applications. 
  • Working with product managers on adding new products to our E-Commerce site.
  • Involved in full life cycle development process.
  • Gather requirements, coding and development, support and maintenance.
  • Working with our in-house engineering team.
  • Interact well with company leaders and marketing team in order to accomplish business goals.
  • Suggest innovative solutions to business problems/processes that leverage technology to provide marketing differentiation, performance improvements, and better user experiences.
  • And you know it! Other duties as assigned.
  • Contribute to and improve team and company processes.
Qualifications

Must have 2 years experience with:

  • HTML/CSS/JavaScript
  • Classic ASP/VB Script
  • C#, ASP.NET, MVC
  • GIT
  • MySQL/MSSQL
  • jQuery
  • Angular JS
  • PHP
  • WordPress CMS
  • Product Cart

Must Have Some/Nice to Have/Willing to Learn

  • Think-ability
  • SharePoint online
  • Epicor
  • Microsoft CMS
  • Browser Compatibility Validation
  • Markup Validation
  • Ability to write and debug code without an IDE
  • Strong knowledge of Linux server environments
  • Significant independent web development experience
  • Advanced knowledge of Social Media and E-Commerce sites and functionality
  • Substantial API experience - Google, Bing, Shopping Feeds, Amazon, etc.
  • SASS
  • Visual Studio
  • Photoshop/Illustrator

The perfect candidate would further describe their skills as follows:

  • Professional communication skills, both written and verbal
  • Strong execution of Project Management responsibilities
  • Possesses an on-line portfolio demonstrating elegant and clean design/styles
  • Strong problem solving skills
  • Intuitive and self-managed independent team worker
Additional Information

What we offer:

We offer a competitive benefits package including Medical and Dental coverage, Generous Holidays, Annual Bonuses, 401K and Paid Vacation, Great Food, we run back door BBQs whenever we get a chance. This is a full time position.

US Citizens and those authorized to work in the US are encouraged to apply.  We are unable to sponsor visas at this time.We are a smoke/vape/drug free work environment. You must be able to pass a drug screen. We're an equal opportunity employer. No employee or applicant will be discriminated against in any condition of employment because of race, color, national origin, sex, religion, age, disability, veteran status or any other status protected by law.

We are looking to fill this great opportunity immediately, we have a world-class, professional, and incredibly talented team. We are a great place to work and play. Imagine biking, hiking, and ski slopes just beyond our front door. We're a "bring your dog" friendly office. We have big ideas, and we are some of the best and brightest in HPC.

If you are qualified and interested in this role, please provide us with the following information:

1. Your most current resume.

2. Your complete salary history.

3. Your answers to the following ten questions, providing us with as detailed answers as possible:

a. What are the top three things that motivate you?

b. What are your two greatest accomplishments in life?

c. What would you consider to be your most impeding weakness?

d. What is the greatest obstacle you have successfully overcome within the past 12 months?

e. Describe the tools and habits that keep you organized.

f. In what ways do you "raise the bar" for yourself and the people around you?

g. What is the airspeed velocity of an unladen swallow?

h. What is your preferred text editor?

i. What is the definition of Agile Development?

j. Who says "Have fun storming the castle?"

NOTE: Candidates who do not answer these ten questions will not be considered for the position.


Joel Test score: 11 out of 12

The Joel Test is a twelve-question measure of the quality of a software team.

  • Do you use source control?  Yes
  • Can you make a build in one step?  No
  • Do you make daily builds?  Yes
  • Do you have a bug database?  Yes 
  • Do you fix bugs before writing new code?  Yes 
  • Do you have an up-to-date schedule?  Yes 
  • Do you have a spec?  Yes 
  • Do programmers have quiet working conditions?  Yes 
  • Do you use the best tools money can buy?  Yes 
  • Do you have testers?  Yes 
  • Do new candidates write code during their interview?  Yes 
  • Do you do hallway usability testing?  Yes