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Back End Web Developer Jobs in Colorado (NOW HIRING)

PTMA Financial Solutions

Full Stack Developer

Denver, CO · On-site

$95K - $115K/yr

... modern backend web technologies (real time APIs, HTTP, JSON, Web Sockets), experience using AI ... The Full Stack Software Developer will partner with a team of developers and system architects to ...

Cymertek

Full Stack Developer

Aurora, CO · On-site

SIMILAR CAREER TITLES Software Engineer, Backend Developer, Frontend Developer, Web Developer, Application Developer, DevOps Engineer, JavaScript Developer, Mobile Developer, Site Reliability ...

Cymertek

Full Stack Developer

Aurora, CO

SIMILAR CAREER TITLESSoftware Engineer, Backend Developer, Frontend Developer, Web Developer, Application Developer, DevOps Engineer, JavaScript Developer, Mobile Developer, Site Reliability Engineer ...

Cymertek

React.js / Node.js Developer

Aurora, CO · On-site

SIMILAR CAREER TITLES Frontend Developer, Backend Developer, Full Stack Developer, JavaScript Developer, Web Developer, UI/UX Developer, MEAN Stack Developer, MERN Stack Developer, Software Engineer ...

Cymertek

React.js / Node.js Developer

Aurora, CO

SIMILAR CAREER TITLESFrontend Developer, Backend Developer, Full Stack Developer, JavaScript Developer, Web Developer, UI/UX Developer, MEAN Stack Developer, MERN Stack Developer, Software Engineer ...

United IT Solutions

Java Backend Engineer

Denver, CO · On-site

$52 - $67.50/hr

Strong experience working with DevOps engineers to build and deploy infrastructure with cloud ... web services supported by the team in accordance with identified Service Level Agreements.

United IT

Java Backend Engineer

Denver, CO · On-site

$52 - $67.50/hr

Strong experience working with DevOps engineers to build and deploy infrastructure with cloud ... web services supported by the team in accordance with identified Service Level Agreements.

Apolis

Java Backend

Denver, CO · On-site

$52 - $67.50/hr

Java Backend Role Design, develop, and maintain backend services using Java/J2EE technologies ... Experience with REST APIs, JSON, and web services. Good understanding of design patterns and system ...

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All JobsBack End Web Developer JobsBack End Web Developer Jobs in Colorado

Back End Web Developer information

See Colorado salary details

$43.1K

$105.9K

$170.9K

How much do back end web developer jobs pay per year?

As of Jul 1, 2026, the average yearly pay for back end web developer in Colorado is $105,865.00, according to ZipRecruiter salary data. Most workers in this role earn between $84,100.00 and $122,000.00 per year, depending on experience, location, and employer.

What does a back-end web developer do?

A back-end web developer builds and maintains the server-side components of websites and applications, including databases, server logic, and APIs. They work with programming languages like Python, Java, or PHP, and often use frameworks and tools to ensure data is processed securely and efficiently. Their role involves writing code, managing data storage, and ensuring the server-side functions integrate smoothly with the front end.

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

To thrive as a Back End Web Developer, you need strong proficiency in server-side programming languages (such as Python, Java, or Node.js), database management, and API design, typically supported by a relevant degree or coding bootcamp experience. Familiarity with frameworks (like Django, Express, or Spring), version control systems (such as Git), and cloud platforms (e.g., AWS or Azure) is essential. Excellent problem-solving skills, attention to detail, and effective communication help you collaborate with front-end developers and troubleshoot complex issues. These skills ensure robust, scalable, and secure web applications that meet user and business requirements.

How much do back-end web developers make?

Back-end web developers typically earn a median annual salary ranging from $70,000 to $120,000, depending on experience, location, and skill set. Developers proficient in languages like Python, Java, or PHP and familiar with databases and server management tend to have higher earning potential.

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

AspectBack End Web DeveloperFront End Web Developer
Primary FocusServer-side logic, databases, APIsUser interface, website layout, client-side scripting
Required SkillsProgramming languages like Python, Java, PHP; database management; server managementHTML, CSS, JavaScript; UI/UX design; responsive design
Work EnvironmentServer environments, backend frameworks, cloud servicesWeb browsers, design tools, front-end frameworks
Common CertificationsCertified Web Developer, AWS Certified DeveloperCertified Web Designer, Adobe Certified Expert

Back End Web Developers focus on server-side programming, databases, and APIs to ensure the website's functionality behind the scenes. Front End Web Developers work on the visual and interactive aspects that users see and interact with. Both roles often collaborate but require different skill sets and tools.

Is backend developer still in demand?

Backend developers are still in high demand as they build and maintain server-side applications, APIs, and databases essential for web and mobile platforms. Skills in programming languages like Java, Python, and frameworks such as Node.js are valuable, and demand is expected to grow with increasing digitalization and cloud adoption.

What Is a Back End Web Developer

A back end web developer deals with the server side of a web app or software. They usually create the application programming interface that the front-end developers use to design the apps. As a back end web developer, your duties are to ensure that the data moves seamlessly from the server to the end user and to create the back-end databases that contain user and app data. You work closely with the front-end development team to test both parts of the project for performance and usability.

Is back-end developer a good career?

A back-end developer is a valuable role in software development, focusing on server-side logic, databases, and application integration. It offers strong job growth, competitive salaries, and opportunities to work with programming languages like Java, Python, or Node.js, often requiring knowledge of frameworks and database management. The role is suitable for those interested in problem-solving and building the infrastructure behind web applications.

What are some common challenges Back End Web Developers face when working on large-scale projects?

Back End Web Developers working on large-scale projects often encounter challenges such as maintaining code scalability, managing complex databases, and ensuring system security. Coordinating with front-end teams to align APIs and data structures can also be complex, requiring effective communication and documentation. Additionally, optimizing performance under heavy loads and staying updated with evolving backend technologies are ongoing challenges that demand continuous learning and adaptability.

What are Back End Web Developers?

Back End Web Developers are professionals who build and maintain the server-side components of web applications. They focus on creating the logic, databases, and APIs that power the functionality behind the scenes, ensuring data is properly stored, managed, and served to the front end. Back end developers typically work with programming languages such as Python, Java, Ruby, or PHP, and interact with databases like MySQL or MongoDB. Their work is essential for the performance, security, and scalability of websites and applications.
More about Back End Web Developer jobs
What cities in Colorado are hiring for Back End Web Developer jobs? Cities in Colorado with the most Back End Web Developer job openings:
What are popular job titles related to Back End Web Developer jobs in CO? For Back End Web Developer jobs in CO, the most frequently searched job titles are:
Back End Web Developer jobs near you
Back End Software Developer

Back End Software Developer

Logistics Management Institute

Colorado Springs, CO • On-site

$101K - $174K/yr

Other

Posted 18 days ago

Job description

Overview
LMI is seeking a Senior Back-End Software Developer to support the development and enhancement of LMI's Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR®. In this role, you will focus on implementing backend features and services that enable analysts, data scientists, and engineers to conduct complex analytical studies in the space domain.
You will work closely with multidisciplinary teams to translate analytical requirements into scalable, performant backend capabilities, including APIs, data pipelines, and integration services that support modeling, simulation, and trade space analysis.
This position is ideal for a developer who enjoys working at the intersection of software engineering and analytical problem-solving, and who can rapidly deliver capabilities in support of evolving mission needs.
On site support or candidates local to Colorado Springs are preferred; remote options are availalbe for the ideal candidate.
LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.
Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors-helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.
Responsibilities
  • Develop and maintain backend services and application logic that support modeling, simulation, and analytical workflows within RAPTR®
  • Translate analyst and data scientist needs into functional software features, including data ingestion, scenario configuration, and results management
  • Design and implement APIs and service layers that enable interaction between the platform, analytical tools, and external systems
  • Build and manage data pipelines and storage solutions to support large-scale analytical runs and scenario outputs
  • Ensure efficient handling of high-volume simulation data, including performance optimization and scalability
  • Collaborate closely with trade space analysts, data scientists, and systems engineers to ensure backend capabilities align with analytical objectives
  • Integrate backend services with front-end interfaces and visualization tools
  • Implement security best practices to protect sensitive and mission-critical data
  • Participate in code reviews, testing, and debugging to ensure high-quality, reliable software
  • Support integration with engineering artifacts such as CONOPs, system architectures, interfaces, and data models

Qualifications
Required Qualifications
  • Bachelor's degree in Computer Science, Computer Engineering, or related technical field
  • 5-10 years of experience in backend software development (senior-level proficiency without over-constraining the candidate pool)
  • Proficiency in one or more programming languages such as Python, Java, or Node.js
  • Experience designing and implementing RESTful APIs and service-oriented architectures
  • Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MongoDB)
  • Experience building or supporting data-intensive applications or analytical platforms
  • Familiarity with backend frameworks such as Django, Flask, or Spring Framework
  • Strong understanding of software design principles, performance optimization, and scalable system design
  • Experience with version control systems such as Git
  • Ability to work in a fast-paced, evolving environment with loosely defined requirements
  • Strong communication and collaboration skills

Preferred Qualifications
  • Experience supporting modeling & simulation, wargaming, or analytical platforms
  • Familiarity with cloud environments such as Amazon Web Services or Microsoft Azure
  • Experience building data pipelines, ETL processes, or distributed data systems
  • Exposure to space domain applications or defense-related systems
  • Experience working with data scientists or integrating machine learning workflows
  • Knowledge of containerization (e.g., Docker) or orchestration tools
  • Active TS/SCI clearance

Security Clearance Requirements
Candidate must be eligible to obtain a TS/SCI clearance and willingness to obtain a CI Poly. Candidates with an active TS/SCI or TS with SCI eligibility will be given preference.
Target salary range: $101,144 - $174,591
Disclaimer: The salary range displayed represents the typical salary range for this position and is not a guarantee of compensation. Individual salaries are determined by various factors including, but not limited to location, internal equity, business considerations, client contract requirements, and candidate qualifications, such as education, experience, skills, and security clearances.
#LI-SH1
Applicants must meet eligibility requirements for a U.S. Government security clearance. Only US Citizens are eligible for a security clearance. For this position, LMI will only consider applicants with security clearances or applicants who are eligible for security clearances, due to the nature of the work.

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