38 software intern jobs at 23 companies in Littleton, CO
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Summer 2027 Intern - Software Engineering
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hr OnsiteInternship
0+ YOECurrently pursuing a bachelor's or master's degree in a technical field, with programming experience in languages such as C, C++, Python, Java, Go, SQL, or JavaScript and knowledge of software fundamentals.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs, operating systems, compilers, databases
1w
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Software Engineering Intern – Summer 2027
Fridley or Tempe or Eatontown or Santa Rosa or Lafayette or Boulder or Plymouth or Mounds View or Irvine or North Haven or Memphis or Newton or Dexter or Santa Ana or Mansfield or Fort Worth or Minneapolis or Brooklyn Center or Jacksonville or Boston or Brooklyn Park
$27-$45/hr OnsiteFull Time
Currently pursuing BS/MS in computer/software engineering or related with anticipated graduation 2027–2029; full-time internship availability June–Aug; U.S. work authorization required; 3.0 GPA preferred; experience with programming/projects preferred.
C, C++, C#/.NET, SQL, JavaScript, Java, Python, Swift, HTML/CSS, Microsoft Visual Studio, Jenkins, GitLab
3w
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Software Engineering Intern (Fall 2026)
Golden, Colorado, United States
OnsiteFull Time
Pursuing degree in CS/CE or related; comfortable in C/C++ and Python; understanding of networking/distributed systems; experience with embedded Linux or bare-metal firmware; ITAR-eligible.
C, C++, Python, Embedded Linux
2mo
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Software Engineer, Infrastructure/Developer Tooling (Hybrid)
Toronto or Denver
$109k-$128k/yr HybridFull Time
3+ YOE3+ years of software or infrastructure engineering; experience with internal tooling, cloud (AWS) and CI/CD; frontend/backend versatility; strong developer experience focus.
Ruby, Golang, Terraform, AWS, CI/CD, Observability, Infrastructure as Code, Containerization
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
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Undergraduate/graduate intern - software and data infrastructure for autonomous thin film experimentation (Year-Round)
Golden, Colorado, United States
$35k-$56k/yr OnsitePart Time
Enrollment in an accredited bachelor’s or master’s program (or recent graduate), 3.0+ GPA, programming experience in Python, familiarity with version control (Git), strong analytical and communication skills.
Python, Git, OPC UA, Modbus, MQTT, TCP/IP, SCPI
1mo
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
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Staff Linux Software Engineer (Multiple Locations)
San Diego or Boulder
$135k-$202k/yr OnsiteFull Time
2+ YOEExperience developing Linux system software and drivers in C/C++; strong understanding of Linux internals, multi-threading, API design, SoC architecture; proficiency with git and debugging tools.
Linux, C, C++, Java, Python, git, KVM, Docker, SR‑IOV, gtest, PCIe, UML
2d
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College Intern
Loveland or Denver or Colorado Springs
$18-$23/hr OnsitePart Time
Junior or senior engineering student with Microsoft Office knowledge, strong communication and problem-solving skills, dependability, teamwork, and ability to work onsite; design software knowledge is preferred.
Microsoft Outlook, Microsoft Word, Microsoft Excel, MicroStation, InRoads, AutoCAD, Civil3D
1w
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Drafter Intern
Lakewood, Colorado, United States
OnsitePart Time, Internship
Requires programming and scripting experience, knowledge of three-phase power systems, emulators, logic analyzers, protective relays, automation controllers, Windows, serial terminal software, and Microsoft Visio.
Microsoft Windows, Microsoft Visio
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Controls Technician Intern
Littleton, Colorado, United States
$24-$28/hr FieldInternship
Must be 18+, legally able to drive a company vehicle, and able to interpret mechanical plans, troubleshoot software and integrations, handle physical jobsite work, and travel to jobsites.
HVAC, building automation, control systems, energy management
3d
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Retail Management Intern
Bennett, Colorado, United States
OnsiteInternship
Currently enrolled in a 2- or 4-year business, management, hospitality, or related program; able to pass drug screening and background checks and perform customer-facing physical duties.
computer programs, systems, technology tools
3d
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Full Stack Engineer Intern
Denver, Colorado, United States
$600-$800/mo RemoteInternship
Currently pursuing a computer science, software engineering, or related degree; familiarity with React and Node.js, Python, or similar; understanding of REST APIs, databases, Git, and software development practices.
React, Node.js, Python, REST APIs, Git
2d
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AI Full Stack Engineer Intern
Denver or New York City
$400-$1k/mo OnsiteFull Time, Internship
Pursuing a computer science or software engineering degree; experience with LangChain or LangGraph, frontend/backend development, REST APIs, databases, Git, and strong problem-solving skills.
LangChain, LangGraph, Firebase, Express, React, Node.js, Google Cloud Platform (GCP), Python, REST APIs, Git
1d
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Intern I - Active Adult Center Cook
Thornton, Colorado, United States
$16-$21/hr OnsitePart Time, Temporary
No experience necessary. Requires office software skills, Windows, Word, Excel, internet research, communication, data handling, and ability to perform standing, walking, light lifting, and repetitive tasks.
Microsoft Windows, Microsoft Word, Microsoft Excel
3mo
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Senior Product Architect
San Francisco or Denver
$185k-$251k/yr OnsiteFull Time
7+ YOE7-10 years building and operating production web apps; strong TypeScript, React/Next.js, Node.js; API design; architecture and leadership; internal tools focus.
TypeScript, React, Next.js, Node.js, API design, serverless, containers, observability, design system
1mo
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Associate CNO Developer
Hanover or Aurora
$77k-$128k/yr OnsiteFull Time
4+ YOEBS in technical discipline or HS + 4 years technical experience; experience in Python or C/C++; troubleshooting and debugging; TS/SCI with polygraph required; networking, low-level internals, and reverse engineering preferred.
Python, C, C++, JIRA, Confluence, Crucible
1mo
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Senior, Compliance & Internal Auditor
Denver, Colorado, United States
$75k-$90k/yr OnsiteFull Time
5+ YOEBachelor's in accounting/finance required, 5+ years in internal audit/compliance/public accounting, CIA or CPA preferred, experience with system implementations, IT audit, Yardi Voyager, and auditing software.
Yardi Voyager, auditing software
2mo
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IT Help Desk Tier 1
Dallas or Orlando or Doral or Denver or Chicago or Owings Mills or Arlington or Richmond or Charlotte or North Charleston or Jacksonville or Nashville or Cleveland
OnsiteFull Time
2+ YOEProvide first-line IT support to internal users; troubleshoot hardware/software issues; remote assistance; onboarding hardware setup.
Windows, Mac OS X, Google Workspace, Office 365, VPN, TCP/IP
1w
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Advisory Linux Systems Engineer
Boulder, Colorado, United States
$93k-$100k/yr HybridFull Time
5+ YOE5+ years developing low-level Linux systems software; strong C/C++; Python/Bash scripting; Linux internals, system bring-up, debugging, and hardware/software integration.
C, C++, Python, Bash, GitLab, JIRA, Claude Code
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