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Back End Developer Jobs in Colorado (NOW HIRING)

Sphinx Defense

Backend Engineer

Colorado Springs, CO · On-site

$138K - $167K/yr

As a Backend Engineer you will lead the development of core platform services, designing and building technology to support the operations of a wide variety of US Government satellites. You'll work ...

Quindar Inc.

Backend Engineer

Arvada, CO · On-site

Day to day, you will be a part of the engineering team of frontend and backend engineers working in an Agile Scrum environment. Tech Skills * Proficiency in Python, GraphQL, Docker, and Terraform (or ...

Quindar

Backend Engineer

Denver, CO · On-site

$120K - $180K/yr

Day to day, you will be a part of the engineering team of frontend and backend engineers working in an Agile Scrum environment. Tech Skills * Proficiency in Python, GraphQL, Docker, and Terraform (or ...

CosQube INC

Scala Developer

Denver, CO · On-site

Scala Developer Location: Denver, US Duration:12+ Months Contract with Extension Employment Type ... Implement backend systems using frameworks like Spring Boot, Akka HTTP, or Play * Ensure reliable ...

People Productions Media Services, Inc.

Developer

Boulder, CO · On-site

$109K - $127K/yr

We are looking for experienced front-end and back-end developers to create a variety of web applications. If you have excellent programming skills and a passion for developing applications or ...

Loft Orbital Solutions

Backend Engineer - Oort

Golden, CO · On-site

$140K - $190K/yr

Loft Orbital is looking for a Backend Engineer to join our Oort team. Oort is our central web platform--a unified environment that consolidates all infrastructure data and tools, empowering Loft to ...

Loft Orbital Solutions

Backend Engineer - Oort

Golden, CO · On-site

$140K - $190K/yr

Loft Orbital is looking for a Backend Engineer to join our Oort team. Oort is our central web platform-a unified environment that consolidates all infrastructure data and tools, empowering Loft to ...

Loft Orbital Solutions

Backend Engineer - Oort

Golden, CO · On-site

$140K - $190K/yr

Loft Orbital is looking for a Backend Engineer to join our Oort team. Oort is our central web platform-a unified environment that consolidates all infrastructure data and tools, empowering Loft to ...

Leidos

Mid-Level Backend Software Engineer

Aurora, CO · On-site

$87K - $157K/yr

We're hiring a Backend Software Engineer to support a highvisibility, datadriven application used across the organization for analytics and reporting. You'll help build and maintain core backend ...

Quindar

Backend Engineer - Security Cleared

Denver, CO · On-site

$120K - $180K/yr

Day to day, you will be a part of the engineering team of frontend and backend engineers working in an Agile Scrum environment. Tech Skills * Proficiency in Python, GraphQL, Docker, and Terraform (or ...

Simple Energy

Back-End Engineer

Boulder, CO · On-site

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

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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.
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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.

Backend Engineer

Colorado Springs, CO • On-site

Sphinx Defense
See more jobs at Sphinx Defenseexternal

$138K - $167K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

ABOUT SPHINX
Sphinx builds software to solve complex national security problems in Space. Founded by engineers and technologists with deep experience across commercial and defense technology, we were frustrated by the outdated and insecure technology America's service members are forced to rely on. We're here to do better.
We're focused on building modern, scalable products with an emphasis on using open source technologies. Expect talented, motivated, and interesting colleagues who emphasize collaboration, transparency, and individual responsibility.
ABOUT THE ROLE
Sphinx is hiring a Backend Engineer to join our Space Communications team building a ground communications and data-transport platform for US government satellites. As a Backend Engineer you will lead the development of core platform services, designing and building technology to support the operations of a wide variety of US Government satellites. You'll work as both an individual contributor and a lead for more junior engineers.
We're looking for a track record of the following:
  • Experience working on multi-tenant services on public cloud platforms like AWS, Azure, or GCP
  • Developing and consuming APIs and services as part of platform ecosystem
  • Developing with an emphasis on automation and security
  • Willingness to own a technical problem end-to-end
  • A habit of self-directed learning of new technologies
  • The ability to work well with a team
  • The ability to communicate clearly

You might be a good fit if:
  • You have 3-5+ years' of progressively responsible software engineering experience
  • You have extensive experience with Python, FastAPI, postgres, AWS, Docker, Kubernetes, Terraform
  • You have experience architecting and building APIs and backend services
  • You can demonstrate in-depth knowledge of at least one commercial cloud platform and its associated services
  • Are comfortable working with some ambiguity and able to self-direct your work
  • You've made enough mistakes and booked enough wins to know what not to build and know what good looks like

Nice to have:
  • Prior experience working in space, satellite communications, or building ground systems.

LOCATION
This hybrid role requires a regular presence in Colorado Springs, CO.
COMPENSATION
  • This role is between $138,000 - $167,000 base salary.
  • Quarterly bonus structure
  • Equity ownership in the company
  • 100% Premium coverage for medical, dental, and vision for you and dependents
  • Health Savings Accounts
  • Life Insurance
  • 401k employer contribution plan
  • Flexible paid time off policy
  • Flexible work/remote work policy

BENEFITS
Compensation includes competitive salary, meaningful equity ownership, profit sharing, employer 401(k) contribution, and 100% employer covered medical, dental, and vision insurance for you and your dependents.
At Sphinx Defense, we are devoted to building a team that represents a variety of backgrounds, perspectives, and skills. Sphinx Defense is committed to providing equal employment opportunities to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, and gender identity.
CLEARANCE ELIGIBILITY - This position requires eligibility to obtain and maintain a U.S. security clearance. For more information about U.S. Security Clearances: click here.
To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.

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