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Backend Software Engineer Intern Jobs in Colorado

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create deep and meaningful product engagement experiences! We have an increasing user base, and you will be ...

Senior Software Engineer

Denver, CO

$126K - $166K/yr

Senior Software Engineer Job Type: Full-time Location: Hybrid - Denver, CO (3 days on-site per week ... You bring deep back-end engineering expertise and, just as importantly, a product mindset - you ...

Senior Software Engineer

Denver, CO · On-site

$126K - $166K/yr

Senior Software Engineer Job Type: Full-time Location: Hybrid - Denver, CO (3 days on-site per week ... You bring deep back-end engineering expertise and, just as importantly, a product mindset - you ...

Intern, Software Engineering Job Code: 42957 Job Location: Colorado Springs, CO Job Schedule: 9/80:Employees work 9 out of every 14 days - totaling 80 hours worked, and have every other Friday off

New

Sr. Software Engineer - Backend

Denver, CO · On-site

$125K - $200K/yr

About the Role We are looking for a strong Backend Senior Software Engineer who wants to create deep and meaningful product engagement experiences! We have an increasing user base, and you will be ...

Software Engineer

Aurora, CO · On-site

$69.40 - $158/hr

R0233063 Software Engineer The Opportunity: Booz Allen is looking for a Software Engineer who is ... Experience using back-end and front-end languages to develop complete solutions * Experience ...

Showing results 41-60

Backend Software Engineer Intern information

What does a backend software engineer intern do?

A Backend Software Engineer Intern assists in developing and maintaining the server-side logic, databases, and APIs that power web and mobile applications. They work closely with senior engineers to write efficient code, troubleshoot issues, and ensure smooth data flow between users and servers. Interns may also participate in code reviews, testing, and documentation to support the overall software development process. This role provides hands-on experience with backend frameworks, database management, and industry best practices.

What skills and qualifications are needed to thrive as a backend software engineer intern?

To thrive as a Backend Software Engineer Intern, you typically need a solid understanding of programming languages like Java, Python, or Node.js, along with knowledge of data structures, algorithms, and database fundamentals. Familiarity with version control systems (like Git), RESTful APIs, and cloud platforms such as AWS or Azure is often required. Strong problem-solving skills, attention to detail, and effective communication help interns stand out in team settings. These competencies are crucial for building reliable backend services, collaborating efficiently, and contributing meaningful code in a fast-paced development environment.

What types of projects and responsibilities can I expect as a backend software engineer intern?

As a Backend Software Engineer Intern, you'll typically work on tasks such as designing and implementing APIs, optimizing database queries, and supporting the integration of backend services. Interns often collaborate closely with senior engineers, participate in code reviews, and contribute to team meetings and sprint planning. While you'll be given guidance and mentorship, you'll also be encouraged to take ownership of smaller features or bug fixes within larger projects, providing valuable hands-on experience with scalable systems. This role offers insight into how backend systems are architected and maintained in a real-world environment.

What is the difference between Backend Software Engineer Intern vs Backend Software Engineer?

AspectBackend Software Engineer InternBackend Software Engineer
QualificationsTypically pursuing or recently completed a degree in CS or related fieldBachelor's or higher in CS or related field, with relevant experience
Work EnvironmentInternship programs, learning-focused, supervisedFull-time professional role, responsible for developing and maintaining backend systems
ResponsibilitiesAssist in coding, testing, and debugging under supervisionDesign, implement, and optimize backend services independently
Usage in IndustryEntry-level position for students or recent gradsCore role in software development teams

The main difference between a Backend Software Engineer Intern and a Backend Software Engineer lies in experience, responsibilities, and employment status. Interns are typically students gaining practical experience, while Backend Software Engineers are full-time professionals responsible for core backend development tasks.

What cities in Colorado are hiring for Backend Software Engineer Intern jobs?

Cities in Colorado with the most Backend Software Engineer Intern job openings:

Infographic showing various Backend Software Engineer Intern job openings in Colorado as of August 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution.

Front-End Software Engineer

Caliola Engineering, LLC

Colorado Springs, CO

$121K - $157K/yr

Full-time

Medical, Retirement, PTO

Re-posted 6 days ago


Job description

Front End Software Engineer

Job Family: Software Engineer

City/State: Colorado Springs, Colorado

Type and Schedule: Full-Time, Salary/Exempt, On site with limited remote work flexibility.

Annualized Salary Range: $121,643 - $157,490 commensurate with experience.

About Us: Caliola is a woman-owned small business that is improving and protecting our Nation's way of life through secure collaboration and resilient communications. Our engineers, subject matter experts, and veterans are developing and delivering trusted solutions for mission-critical communications. We seek teammates who share our core values:

I3 for C3 – Insight, Innovation, and Integrity for Command, Control, and Communications

These values guide how we work every day. At Caliola, you will find technically challenging, mission-focused work within a flexible and collaborative culture that is uncommon in the defense industry. We offer flexible PTO, subsidized health insurance, 401(k) matching, professional development, and a competitive compensation structure designed to support long-term growth.

Our performance has driven rapid growth and national recognition, being named twice to the Deloitte Technology Fast 500â„¢ and inclusion on the 2025 Inc. 5000 list of America's fastest-growing private companies. We have also been recognized as a Colorado Company to Watch, a ColoradoBiz Top Company in Aerospace & Defense, and the #2 Gazette's Best Workplace (medium size) in 2025.

Headquartered in Colorado Springs, CO, we operate in a leading aerospace and defense hub with proximity to major military installations. Set against the Rocky Mountains, the region offers year-round outdoor recreation and a high quality of life for professionals and families considering relocation.

As a part of our selection process, we ask all applicants to complete a short, 10–12-minute survey from Culture Index. This is a survey, not a test; no passing or failing. The purpose of this survey is to identify your unique strengths as they relate to our open positions. Please copy and paste the following link into a separate browser window to complete: https://go.cultureindex.com/s/5i6Gpe3wge

Position Description:

Caliola builds secure and resilient products for mission critical solutions. We are seeking a front-end software engineer with backend and database experience who can lead a team to develop GUIs for our customer-facing products. Our front-end tech stack includes TypeScript, Vue.js, and Node.js. We use Tauri for desktop deployment and Ionic for mobile. As a front-end software engineer, you will work with a team of developers located across the Front Range of Colorado. Once onboarded to Caliola, you will begin work with a team on one of our many full stack applications which include communication mission planners for the Navy, alternative position, navigation, and timing application, or a mesh VPN interface.

Essential Responsibilities:

  • Leadership Responsibilities
    • Derive technical requirements from project requirements to deliver project milestones.
    • Lead agile meetings to maintain project direction and organization.
    • Identify, create, prioritize, and assign tasks to junior staff using agile tools and practices.
    • Support the development of technical and non-technical deliverables.
    • Work with the UX/UI team to communicate technical limitations and offer ideas to accomplish effective design.
    • Generate progress reports and documentation for customers.
  • Technical Responsibilities
    • Regularly contribute code to production codebases.
    • Review code written by peers providing guidance and upholding standards.
    • Develop front-end and back-end software to support the user facing elements of Caliola's products.
    • Define and implement unit tests or system tests.
    • Develop and maintain continuous integration/continuous deployment (CI/CD) pipelines.
    • Develop and maintain UI components adhering to Caliola's design system.
  • General Responsibilities
    • Ability to work in person in Colorado Springs.
    • Adapt to changing priorities in a fast-paced environment.
    • Other duties as assigned.

What We Require:

  • Bachelor's degree in Computer Science, Computer Engineering, or a related technical discipline; or equivalent practical experience.
  • 7–12 years of directly relevant professional experience in front-end software engineering, including demonstrated expertise designing, building, and maintaining production front-end application.
  • Strong proficiency in TypeScript and JavaScript.
  • Production experience with frameworks such as Vue, React, Solid, or Angular.
  • Strong understanding of asynchronous programming models (promises, callbacks, etc.)
  • Experience with server-side technologies (e.g., Rust, Go, Node.js, or Python).
  • Experience with containerization and virtualization.
  • Experience maintaining CI/CD pipelines in GitLab or similar.
  • Experience with Git version control software.
  • Strong technical communication skills and attention to detail are a must.
  • Current or recent U.S. Government Security clearance at the Secret level or higher. This position requires the ability to obtain and maintain a security clearance, which is issued by the U.S. Government. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

What We Value:

  • Experience working with databases: SQL or NoSQL.
  • Experience as a full-stack software engineer.
  • Strong understanding of software architecture best practices such as modularization, generalization and separation of concerns.
  • Understanding of application development issues at an enterprise level.
  • Ability to analyze high level customer requirements to build low level functional requirements.
  • Develop and sustain new and existing applications including software refactoring.
  • Self-learner with an interest in innovation and learning new technologies and design skills.
  • Familiarity with emerging trends in web, desktop, and/or mobile app development.

Minimum Physical Requirements:

  • Must possess excellent verbal and written communication skills in English.
  • Ability and dexterity to grasp, handle, and manipulate small items such as, but not limited to, cellphones, laptops, USB drives, business cards, documents.
  • Ability to maintain focus and attention to detail for extended periods while reviewing technical documents, proposals, and digital information.

Please contact Human Resources with questions about ADA accommodations.

Expression of Interest: By applying for this job, you are expressing interest in this position and could be considered for other career opportunities at Caliola. Should a match be identified between your skillset and Caliola's requirements for this or a future opening, you may be contacted.

The posted salary range represents our good faith estimate for this role based on current organizational needs and the qualifications reasonably expected for the position. Final compensation will be determined based on factors such as experience, skills, education, clearance status, and business needs.

This position will remain open until filled, and applications will be reviewed on a continuous basis.

At Caliola, we believe that true innovation can only occur when teammates bring their authentic selves to collaborate in a supportive and encouraging environment. We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other federally protected class.

Caliola participates in E-Verify, an internet-based system used to confirm the employment eligibility of all new hires. Upon hire, all employees are required to complete Form I-9 to verify their identity and employment eligibility to work in the United States.


All candidates will be required to pass a basic background screening.  Â