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Backend Web Developer Jobs in Colorado (NOW HIRING)

Arrow Technologies

Web Developer

Denver, CO · Remote

This is a full time position working from home. Position Responsibilities: Front-End Development Back-End Development MS SQL Server Development Skills: C# ASP.Net jQuery T-Sql Javascript

Magnite

Engineer II, Backend APIs

Broomfield, CO

$125K - $135K/yr

... and enhance API developer experience. In this role, you will: * Participate in the design ... Primary development experience in modern Java for high-throughput, low-latency back-end web ...

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Backend Web Developer information

See Colorado salary details

$43.1K

$105.9K

$170.9K

How much do backend web developer jobs pay per year?

As of Jun 21, 2026, the average yearly pay for backend 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 are the key skills and qualifications needed to thrive in the Backend Web Developer position, and why are they important?

To thrive as a Backend Web Developer, you need strong programming skills in languages such as Python, Java, or Node.js, and a solid understanding of server-side logic, databases, and application architecture. Familiarity with frameworks like Django, Spring, or Express.js, experience with RESTful APIs, and knowledge of version control systems such as Git are typically required; certifications in cloud platforms like AWS or Azure can be advantageous. Problem-solving ability, attention to detail, effective communication, and team collaboration are valuable soft skills. These abilities ensure you can deliver scalable, secure, and high-performing backend solutions that drive modern web applications.

What's harder, backend or frontend?

For a backend web developer, both backend and frontend development present unique challenges; backend work involves server-side logic, databases, and APIs, while frontend focuses on user interface and experience. The difficulty depends on individual skills and preferences, but backend development often requires understanding complex systems and security considerations. Mastery of programming languages like Python or Java, and tools such as databases and server management, are essential for backend roles.

Is Backend Developer still in demand?

Backend Web Developers are in high demand due to the ongoing need for server-side programming, database management, and API development across industries. Skills in languages like Python, Java, or Node.js, along with experience in cloud platforms, enhance job prospects in this field.

What are some typical challenges a Backend Web Developer faces in their daily work?

Backend Web Developers often encounter challenges such as optimizing database performance, ensuring application scalability under heavy traffic, and maintaining security against evolving threats. They routinely troubleshoot bugs, integrate with third-party services, and ensure seamless communication between front-end and back-end systems. Collaboration with frontend developers, DevOps teams, and stakeholders is key to delivering well-architected solutions. Embracing ongoing learning and adapting to new technologies helps backend developers stay effective in this fast-paced, ever-evolving field.

What is a Backend Web Developer job?

A Backend Web Developer is responsible for building and maintaining the server-side logic, databases, and APIs that power a website or web application. They ensure that data is processed efficiently and securely, enabling seamless communication between the frontend and backend. Common technologies include programming languages like Python, Java, or Node.js, along with databases such as PostgreSQL or MongoDB. Backend developers also optimize performance, implement security measures, and integrate third-party services. Their work is essential for creating scalable, high-performing web applications.

Is 40 too old to become a web developer?

Age is not a barrier to becoming a backend web developer, as many successful developers start later in life. Skills such as programming languages, frameworks, and problem-solving are more important, and continuous learning can help overcome any age-related challenges.

What does a backend web developer do?

A backend 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 Ruby, and often use frameworks and tools to ensure data security, performance, and scalability. Strong problem-solving skills and knowledge of server management are essential for this role.
What are the most commonly searched types of Backend Web Developer jobs in Colorado? The most popular types of Backend Web Developer jobs in Colorado are:
What are popular job titles related to Backend Web Developer jobs in Colorado? For Backend Web Developer jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Backend Web Developer jobs in Colorado look for? The top searched job categories for Backend Web Developer jobs in Colorado are:
What are popular job titles related to Backend Web Developer jobs in CO? For Backend Web Developer jobs in CO, the most frequently searched job titles are:
Backend Web Developer jobs near you
Infographic showing various Backend Web Developer job openings in Colorado as of June 2026, with employment types broken down into 1% Internship, 92% Full Time, 2% Part Time, 1% Temporary, 3% Contract, and 1% Nights. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $105,865 per year, or $50.9 per hour.
Full Stack Web Developer

Full Stack Web Developer

CACI International, Inc.

Denver, CO • On-site

$189K/yr

Full-time

Medical, Retirement, PTO

Posted 15 days ago

Job description

Job Title: Full Stack Web Developer
Job Category: Engineering
Time Type: Full time
Minimum Clearance Required to Start: TS/SCI
Employee Type: Regular
Percentage of Travel Required: Up to 10%
Type of Travel: Continental US
Anticipated Posting End: 1/1/2100
The Opportunity:
CACI is seeking a Full Stack Web Developer to join our dynamic technology team. As a Full Stack Developer. You will serve as a key member of our development team, building responsive, scalable, and high-performance applications and software that solves complex national security challenges. You will collaborate with cross-functional teams to design, develop, and maintain both frontend and backend components of our applications and software.
You will be responsible for the full development lifecycle from conceptualization to deployment. This includes designing system architecture, implementing frontend and backend components, integrating with databases, and ensuring the performance, reliability, and security of our applications. You'll work in an agile environment with opportunities to learn new technologies and contribute to innovative solutions.
Responsibilities:
• Design and develop modern web applications using React.js for frontend and Flask/Express.js for backend services
• Build and maintain RESTful APIs that power our applications and integrate with various data sources
• Implement responsive user interfaces using HTML5, CSS3, and modern JavaScript frameworks
• Work with PostgreSQL databases to design schemas, optimize queries, and ensure data integrity
• Collaborate with UX/UI designers to translate wireframes and mockups into functional code
• Participate in code reviews and implement best practices for version control using Git
• Debug issues across the entire stack and propose solutions to improve application performance
• Contribute to technical documentation to support knowledge sharing and maintenance
Qualifications:
Required:
• B.S. in Computer Science, Software Engineering, Computer Engineering or related field
• 5+ years of professional experience in web development
• Strong proficiency with React.js and modern JavaScript/TypeScript development
• Experience building backend APIs with Flask (Python) and Express.js (Node.js)
• Proficient in Python, HTML5, CSS3, TypeScript, and JavaScript
• Experience with PostgreSQL and writing efficient SQL queries
• Strong understanding of RESTful API design principles
• Experience with version control systems (Git) and collaborative development workflows
• Problem-solving mindset with attention to detail and code quality
• Strong communication skills and ability to work effectively in a team
environment
*Must have an active TS/SCI Clearance
Desired:
• Experience with GitLab CI/CD pipelines and DevOps workflows
• Knowledge of Docker containerization and deployment strategies
• Familiarity with WebSockets for real-time communication
• Knowledge of the Tailwind CSS framework for building responsive interfaces
• Experience with ORM libraries (SQLAlchemy, Prisma, Drizzle, etc.)
• Experience with Tanstack Tools (Router, Query, Forms)
• Experience with Redis for caching and session management
• Understanding of web security best practices
• Experience with automated testing frameworks for both frontend and backend
• Knowledge of cloud platforms (AWS, Azure, GCP)
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you'll be part of a high-performing group dedicated to our customer's missions and driven by a higher purpose - to ensure the safety of our nation.
An environment of trust.
CACI values the unique contributions that every employee brings to our company and our customers - every day. You'll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground - in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$90,300 - 189,600 USD
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.

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