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Back End Developer Jobs in Colorado (NOW HIRING)

Simple Energy

Back-End Engineer

Boulder, CO · On-site

Basic Position Requirements (Back-End Engineer) * Scala and/or Java experience a plus * Understanding of worker/message queues * NoSQL experience Everyone on the team should have a basic ...

Cyberspatial

Backend API Engineer

Boulder, CO · On-site

We are looking for a talented and motivated Backend API Engineer to join our growing engineering team. In this role, you'll design, build, and maintain high-performance APIs that power our core ...

Lively

Sr. Software Engineer - Backend

Denver, CO · On-site

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create ... Familiarity with AWS cloud platforms and DevOps practices is a plus. Here's a glimpse into our ...

Eliassen Group

Backend Engineer

Almont, CO · On-site

$78 - $88/hr

Remote Our client seeks a Backend Engineer with 1 to 4 years of experience to develop and maintain server-side applications and services. The role requires proficiency in Java, Spring, and AWS. The ...

Lively

Sr. Software Engineer - Backend

Denver, CO · On-site

$125K - $200K/yr

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create ... Familiarity with AWS cloud platforms and DevOps practices is a plus. Here's a glimpse into our ...

Booz Allen Hamilton

Software Engineer

Aurora, CO · On-site

$86K - $198K/yr

As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a ...

ClifyX

Senior Scala Backend engineer

Denver, CO · On-site

ClifyX is seeking a strong Scala backend engineer with microservices experience to join their small ... with DevOps engineers to build and deploy infrastructure with cloud deployment technologies. • ...

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How much do back end developer jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for back end developer in Colorado is $60.71, according to ZipRecruiter salary data. Most workers in this role earn between $49.81 and $71.78 per hour, depending on experience, location, and employer.

What is a back end developer?

A Back End Developer is a programmer who specializes in building and maintaining the server-side logic, databases, and application functionality that power websites and web applications. Unlike front end developers, who focus on the visual and interactive elements users see, back end developers work behind the scenes to ensure data is stored, processed, and delivered correctly. They typically use programming languages like Python, Java, Ruby, or PHP, and interact with databases such as MySQL or MongoDB. Their work is crucial for making sure applications run smoothly, securely, and efficiently.

What is a back end developer?

A back end developer is a computer science professional who specializes in functionality that takes place on the server side or backend. As a back end developer, you write code to create software that solves a business need. Your responsibilities are to research the needs of either your employer, or a particular industry, find a problem, and create a software solution. A back end developer differs from a traditional web developer, or front end developer, in that back-end software may not have a user interface or even have exposure to the web.

What are the key skills and qualifications needed to thrive as a back end developer?

To thrive as a Back End Developer, you need strong programming skills in languages like Java, Python, or Node.js, along with a solid understanding of databases and API design, typically supported by a degree in computer science or related experience. Familiarity with frameworks such as Spring or Django, version control systems like Git, and cloud platforms (e.g., AWS or Azure) is often required, with certifications in these areas considered beneficial. Problem-solving, effective communication, and teamwork are crucial soft skills that help developers collaborate and address complex technical challenges. These competencies are vital for building reliable, scalable systems that support front-end applications and ensure robust product performance.

What are some common challenges back end developers face when integrating with front-end teams?

Back End Developers often encounter challenges when aligning data structures and APIs with front-end requirements, especially as user interface needs evolve rapidly during development. Effective communication and regular collaboration with front-end developers are essential to ensure that endpoints, data formats, and error handling are well-coordinated. Additionally, maintaining consistent documentation and using tools like Swagger or Postman can help streamline integration and reduce misunderstandings between teams.

What is the difference between Back End Developer vs Front End Developer?

AspectBack End DeveloperFront End Developer
Primary FocusServer-side logic, databases, APIsUser interface, website layout, client-side scripting
Skills & TechnologiesLanguages like Java, Python, Ruby; databases; server managementHTML, CSS, JavaScript, frameworks like React or Angular
Work EnvironmentBackend systems, server environments, cloud platformsDesign tools, browser testing, UI/UX design
Common CertificationsCertified Web Developer, AWS Certified DeveloperCertified Front End Developer, UI/UX certifications

Back End Developers focus on server-side logic, databases, and APIs, ensuring the website's functionality behind the scenes. Front End Developers work on the visual and interactive aspects users see and interact with. Both roles are essential in web development, often collaborating to create seamless digital experiences.

Is back end developer in demand?

Back end developers are in high demand due to the growth of web applications and digital services. Skills in programming languages like Python, Java, or Node.js, along with knowledge of databases and APIs, are highly sought after by employers across various industries.
More about Back End Developer jobs

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For Back End Developer jobs in Colorado, the most frequently searched job titles are:

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Back End Developer jobs near you
Infographic showing various Back End Developer job openings in Colorado as of September 2026, with employment types broken down into 1% As Needed, 74% Full Time, 20% Part Time, 1% Temporary, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $126,273 per year, or $60.7 per hour.

Back-End Engineer

Boulder, CO • On-site

Simple Energy
See more jobs at Simple Energyexternal

Other

Re-posted 28 days ago

Job description

Basic Position Requirements (Back-End Engineer)
  • Scala and/or Java experience a plus
  • Understanding of worker/message queues
  • NoSQL experience
Everyone on the team should have a basic understanding of:
  • JQuery
  • PHP
  • MySQL (Basic syntax)
  • AJAX
  • General understanding of RESTful APIs
  • Familiarity GIT or version control repositories
Some of our awesome benefits:
  • Rocky Mountain National Park Annual pass
  • Boulder/Denver B-Cycle Annual membership
  • Epic Local Pass ("Unlimited skiing or riding at Breckenridge, Keystone and Arapahoe Basin with limited restrictions at Heavenly and Northstar-at-Tahoe. Also includes 10 restricted days at Vail or Beaver Creek.")
  • MacBook Air or MacBook Pro -- we give you the tools you need to get the job done. (You provide the stickers). We don't put spyware on it or limit what you do. We don't require what software you install. It's yours to do as you see fit to get the job done.
  • General awesomeness -- no dress code, dogs are encouraged, beer is provided, sucking is expressly forbidden.
  • Pets encouraged (as long as they don't conflict with our current pet: a badass Beta fish named "Joules")
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