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Back End Developer Jobs in Colorado (NOW HIRING)

System One

Back End Developer-Python

Colorado Springs, CO · On-site

$120K - $180K/yr

Data systems and performance Senior Back-End Software Application Developer. This role involves working directly with U.S. government military and civilian customers and our analytic partners to ...

Jobsbridge

Back End Developer

Denver, CO

Work with cross functional teams comprised of software engineers, software architects, product managers and system administrators to implement the best solution. Identify application service ...

ICONMA

Backend Engineer

Denver, CO · On-site

Backend Engineer Our client, an IT Services and Consulting company, is looking for a Backend Engineer for their Denver, CO/Greenwood Village, CO location. Responsibilities: * Designs, modifies ...

Piper Companies

Backend Engineer (CLEARED)

Denver, CO

$120K - $180K/yr

... developer, python, graphql, rest api, api development, cloud engineer, aws engineer, amazon web ... angeles, denver, backend, software development, scalable systems, cloud architecture, high ...

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How much do back end developer jobs pay per hour?

As of Jun 12, 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 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.

How much do backend devs make?

Back End Developers typically earn between $70,000 and $120,000 annually, depending on experience, location, and skill set. Senior roles or those with expertise in specific technologies like databases or cloud services can earn higher salaries. Entry-level positions generally start lower but can increase with additional skills and certifications.

Will backend be replaced by AI?

Back End Developers design and maintain server-side systems, and while AI can automate certain tasks like code generation and data processing, it is unlikely to fully replace the need for human developers. Skills in programming languages, database management, and understanding system architecture remain essential, with AI serving as a tool to enhance productivity rather than replace the role entirely.

What does a backend developer do?

A backend developer builds and maintains the server-side components of web applications, including databases, server logic, and APIs. They work with programming languages like Java, Python, or Ruby and often use tools such as databases and version control systems to ensure the application's functionality, security, and performance.

Is backend developer still in demand?

Backend developers are currently in high demand due to the ongoing need for server-side applications, APIs, and database management across industries. Skills in programming languages like Java, Python, and frameworks such as Node.js are particularly valuable, and experience with cloud services and containerization can enhance job prospects.

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 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.

What are the key skills and qualifications needed to thrive as a Back End Developer, and why are they important?

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.
More about Back End Developer jobs
What are the most commonly searched types of Back End Developer jobs in Colorado? The most popular types of Back End Developer jobs in Colorado are:
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What job categories do people searching Back End Developer jobs in Colorado look for? The top searched job categories for Back End Developer jobs in Colorado are:
What cities in Colorado are hiring for Back End Developer jobs? Cities in Colorado with the most Back End Developer job openings:
What are popular job titles related to Back End Developer jobs in CO? For Back End Developer jobs in CO, the most frequently searched job titles are:
Back End Developer jobs near you
Infographic showing various Back End Developer job openings in Colorado as of June 2026, with employment types broken down into 78% Full Time, 19% Part Time, and 3% Contract. Highlights an 93% Physical, 3% Hybrid, and 4% Remote job distribution, with an average salary of $126,273 per year, or $60.7 per hour.
Back End Developer-Python

Back End Developer-Python

System One

Colorado Springs, CO • On-site

$120K - $180K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Job description

The customer is moving fast – onsite in Colorado Springs/ Garden of the Gods Rd. Requires: US Citizenship minimum customer will sponsor for clearance!! The role is moving fast – please see the details below. If interested reach out directly to kimberly.spcier@systemone.com or text 301-252-8762 
Top Required Skills: Python experience, Modeling and Simulation experience, Database experience, Satellite Analysis experience – ideally experience in 3 of these skills!

  1. Experience designing and operating distributed backend systems (APIs, messaging, scaling)
  2. Production ownership and troubleshooting 
  3. Data systems and performance


Senior Back-End Software Application Developer. This role involves working directly with U.S. government military and civilian customers and our analytic partners to translate analytic needs into responsive, high-performance software applications within Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR®.
Requirements

  • B.S. in Computer Science, Computer Engineering, or equivalent STEM-based degree.
  • 7+ years of experience as a Back-End Software Application Developer with a portfolio, and proficiency in modern object-oriented programming languages such as Python, Java, C++, Node.js, or Ruby.
  • Experience with both SQL (e.g., MySQL, PostgreSQL) and NoSQL (e.g., MongoDB) databases.
  • Familiarity with back-end frameworks like Django, Flask, Spring, or Express.js.
  • Experience with cloud platforms like AWS, Azure, or Google Cloud.
  • Experience with efficient data storage and retrieval.
  • Strong, demonstrable understanding of modern design and coding principles and practices.
  • Familiarity with version control systems (e.g., Git).
  • Knowledge of software performance optimization.

Nice to have:

  • Experience with testing frameworks.
  • Knowledge of security practices.
  • Space domain experience.

What you will do:

  • Develop and maintain server-side logic by writing code that powers the application's functionality, handles user requests, and manages data.
  • Create APIs that allow different parts of the application, or different applications, to communicate with each other.
  • Design database schemas, write queries, and ensure data integrity and security.
  • Ensure the application can handle a growing number of users and data efficiently.
  • Work closely with front-end developers to integrate the back-end functionality with the user interface.
  • Implement security measures to protect sensitive data and prevent unauthorized access.
  • Participate in code reviews, debug developed code and stay current with software development trends.
  • Ensure all changes or adaptations are thoroughly and meticulously reviewed, tested, and verified to eliminate application downtime or degradation.
  • Collaborate with cross-functional teams, develop reusable code components, and ensure application accessibility.
  • Actively participate in Integrated Product Teams (IPT’s) and other engineering working groups to review, assess, and mature engineering artifacts such as concept of operations (CONOPs), system architecture, system behavior, system interfaces, functional allocation, Interface Control Documents/Descriptions (ICDs), and data models.
  • Provide meeting coordination, technical expertise, and software development to assist the customer decision makers


Company Description

System One is a leading provider of specialized, highly technical services and solutions to critical infrastructure, technology, life sciences, and government sectors. We partner with large private and public organizations who trust us to execute their complex, mission-critical initiatives through our outsourced services and workforce solutions.