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Back End Developer Jobs in Denver, CO (NOW HIRING)

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. • ...

Cymertek Corporation

Full Stack Developer

Aurora, CO · On-site

$90 - $130/hr

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 · On-site

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

3B Staffing LLC

Senior Backend Java Developer

Denver, CO · Hybrid

$124K - $161K/yr

Senior Backend Java Developer Location: Denver, CO or New York City, NY (Onsite, 5 days/week) Type: Contract Duration: 12+ Months RESPONSIBILITIES * Responsible for the development, implementation ...

3B Staffing LLC

Senior Backend Java Developer

Denver, CO · Hybrid

$124K - $161K/yr

Senior Backend Java Developer Location: Denver, CO or New York City, NY (Onsite, 5 days/week) Type: Contract Duration: 12+ Months RESPONSIBILITIES * Responsible for the development, implementation ...

Homebot

Senior Backend Engineer

Denver, CO · On-site

$145K - $175K/yr

Want to move fast, build with AI, and ship products that reach millions? We're looking for a Senior Backend Engineer to help build and grow our applications while keeping the platform fast, reliable ...

Homebot

Senior Backend Engineer

Denver, CO · On-site

$145 - $175/hr

Want to move fast, build with AI, and ship products that reach millions? We're looking for a Senior Backend Engineer to help build and grow our applications while keeping the platform fast, reliable ...

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All JobsBack End Developer JobsBack End Developer Jobs in Denver, CO

Back End Developer information

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$12

$59

$86

How much do back end developer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for back end developer in Denver, CO is $59.42, according to ZipRecruiter salary data. Most workers in this role earn between $48.75 and $70.24 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

What are the most commonly searched types of Back End Developer jobs in Denver, CO?

The most popular types of Back End Developer jobs in Denver, CO are:

What job categories do people searching Back End Developer jobs in Denver, CO look for?

The top searched job categories for Back End Developer jobs in Denver, CO are:

What cities near Denver, CO are hiring for Back End Developer jobs?

Cities near Denver, CO with the most Back End Developer job openings:

Back End Developer jobs near you
Infographic showing various Back End Developer job openings in Denver, CO as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 78% In-person, and 22% Remote job distribution, with an average salary of $123,590 per year, or $59.4 per hour.

Senior Scala Backend engineer

ClifyX

Denver, CO • On-site

Full-time

Re-posted 24 days ago

Job description

Job Summary:
ClifyX is seeking a strong Scala backend engineer with microservices experience to join their small, agile team. The role involves developing client-facing REST APIs for IP TV functionalities and requires mastery of development tools to create and improve microservices.
Responsibilities:
• Actively and consistently supports all efforts to simplify and enhance the customer experience.
• Code and perform unit and integration testing of software to ensure proper and efficient execution and adherence to business and technical requirements.
• Code, test, debug, and enhance software.
• Write programs according to specifications, and define specifications for complex programs.
• Monitor and repair critical systems on an as needed basis.
• Develop and maintain technical documentation.
• Serve as final escalation point to resolve incidents and problems for production applications and web services supported by the team in accordance with identified Service Level Agreements.
• Collaborate with internal customers, technical and architecture teams to solve complex software problems.
• Provide system users and management with system analysis and improvement recommendations.
• Identify and recommend system design/requirements needs for software enhancements.
• Implement, monitor, test, and audit new software programs to maximize efficiency of software systems.
• Participate in continuous performance improvement sessions to discuss opportunities to improve processes and/or standards.
• Coordinate with technical teams to analyze and resolve software related problems causing operational difficulties, advising on specialized features and functions.
• Maximize the efficiency of the various software systems by implementing, monitoring, testing and auditing new software programs.
• Follow established configuration/change control processes.
• Collaborate with customers and internal/external technical teams to identify software problems and communicate remediation plans.
• Mentor and coach junior team members.
Qualifications:
Required:
• Strong experience with Scala back end API implementation
• Understanding of MongoDB or other NoSQL databases
• Strong mindset with a willingness to learn new domains and technologies
• Expertise in end-to-end understanding of the system and testing the services
• Experience with test-driven development and automated testing frameworks
• Experience using AWS managed services
• Experience with caching architectures, particularly Memcached
• Strong experience with containerization and container orchestration, (Docker, Kubernetes, Helm, Istio, Argo, etc).
• Strong experience with monitoring technologies (Splunk, Instana, Datadog, Prometheus, etc).
• Knowledge of API documentation, especially Swagger (OpenAPI)
• Experience using CI/CD automation (Jenkins, Gitlab)
• Ability to read, write, speak and understand English
• Strong experience working with DevOps engineers to build and deploy infrastructure with cloud deployment technologies.
• Strong Understanding of Scrum/Agile development methodologies.
• Capable of delivering on multiple competing priorities with little supervision.
• Experience with building and designing REST APIs using scala.
• Experience with software security principles and patterns.
• Ability to collaborate with and contribute to a common culture of excellence.
• Experience with test-driven development and automated testing frameworks.
• Must be capable of delivering on multiple competing priorities with little supervision.
Company:
ClifyX provides innovative business solutions which satisfy requirements for mission-critical reliability, scalability, interoperations. Founded in 1998, the company is headquartered in South Plainfield, USA, with a team of 501-1000 employees. The company is currently Late Stage.
ClifyX logo

About ClifyX

Sourced by ZipRecruiter

ClifyX is a well-established player in the IT Services sector that specializes in providing result-oriented technological solutions to a wide range of industrial verticals. Based in South Plainfield, New Jersey, ClifyX offers a comprehensive selection of IT services that include project staffing, application development, professional consulting, and other IT-based solutions. While the company's website, clifyx.com, does not divulge the exact founding date, it is clear that ClifyX has grown into a renowned name within their domain, thanks to their unwavering commitment to innovative practices. The company's mission statement revolves around harnessing the power of technology to assist their clientele in steering their respective businesses towards success.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

South Plainfield, NJ, US

Year founded

1998

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