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99 developer intern jobs at 65 companies in Greeley, CO

2mo
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Manufacturing Engineer Intern
Louisville, Colorado, United States
$23-$37/hr OnsiteFull Time, Internship
H3X
H3X: Manufacturer of high power density electric motors for sustainable aviation.
0+ YOEPursuing a Mechanical Engineering degree; GPA 3.0+, hands-on assembly experience; SolidWorks; strong communication; detail-oriented; eager to learn.
SolidWorks
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2w
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Innovation Engineer Intern
Broomfield, Colorado, United States
$22-$25/hr OnsiteInternship, Full Time
Lignetics
Lignetics: Upcycles wood waste into sustainable consumer and heating products.
Pursuing or completed BA/BS in engineering, chemistry, materials or physical science; analytical, experimental and data-analysis skills; ability to develop test methods, prototype formulations, and support consumer research.
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3mo
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AI Engineering Intern
Boulder, Colorado, United States
$17-$25/hr OnsiteFull Time, Internship
TIFIN
TIFIN: AI platform for personalized wealth management and investment advice.
Pursuing or recently completed BS/MS in CS, engineering or related; strong Python; familiarity with machine learning/AI, APIs, and backend development via internships, coursework or research.
Python
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2mo
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Graduate (Year-Round) Intern – Socio-Economic Impacts
Boulder, Colorado, United States
$45k-$71k/yr HybridFull Time
National Laboratory of the Rockies
National Laboratory of the Rockies: Conducts applied research in energy systems and technology innovation.
0+ YOEGraduate intern focusing on socio-economic impacts; requires coursework in public policy, economics, or social science; strong communication and stakeholder engagement.
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1d
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IT Intern - Software Development & Automation Intern - In Office
Aurora, Colorado, United States
$20/hr OnsiteFull Time
Wagner Equipment Co.
Wagner Equipment Co.: Sells and rents Caterpillar heavy equipment and provides maintenance services.
Pursuing or recent degree in IT/CS or related, high school diploma/GED required, strong problem-solving, communication, Microsoft Office proficiency, ability to learn new technologies, detail-oriented.
Microsoft Power Platform, Microsoft SharePoint Online, Power BI, Microsoft 365, Azure DevOps, SQL, REST APIs, GitHub, Python, C#, JavaScript, Microsoft Office
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2mo
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Software Engineer, Infrastructure/Developer Tooling (Hybrid)
Toronto or Denver
$109k-$128k/yr HybridFull Time
Homebase
Homebase: Provides scheduling, payroll, and HR software for hourly teams.
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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2w
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2026-2027 Wells Engineering Intern (Previous Intern)
Houston or Bakersfield or Greeley or Midland or Covington
$32/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Students pursuing Bachelors, Masters or Ph.D. in petroleum, chemical, mechanical engineering or related fields; strong academics, communication, leadership, teamwork, problem-solving; may require routine driving; submit resume and unofficial transcripts.
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1mo
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Senior CNO Developer
Hanover or Aurora
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
6+ YOETS/SCI w/Poly required. BS+8yrs or MS+6yrs (or HS+12yrs). Experience developing CNO capabilities, Python and C/C++ programming, low-level system internals, TCP/IP and socket programming; troubleshooting and debugging.
Python, C/C++, Assembly, TCP/IP, JIRA, Confluence, Crucible
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4d
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Spring 2027 Construction Project Engineer Intern ($19-$24)
Denver, Colorado, United States
$19-$24/hr OnsiteFull Time
The Kroger Co.
The Kroger Co.NYSE: KR: Operates supermarkets, pharmacies, and jewelry stores across America.
Currently pursuing a Construction Management or Engineering degree (preferred GPA 3.0); motivated, strong communication, and attention to detail; ability to analyze information and provide customer service.
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1w
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Intern, Organizational Effectiveness & Talent Development
Denver, Colorado, United States
$20/hr HybridPart Time, Internship
National Endowment for Financial Education
National Endowment for Financial Education: Improving financial literacy through research, advocacy, and education.
Part-time paid intern supporting organizational effectiveness, talent management, leadership development, research, training design, and project coordination. Requires strong research, writing, communication, Microsoft Office, and interest in HR/OD fields.
Microsoft Office
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1w
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Product Development Intern
Thornton, Colorado, United States
$25/hr OnsiteInternship
Solid Power
Solid PowerNasdaq: SLDP: Designs and manufactures all-solid-state battery technology for vehicles.
Currently enrolled in a STEM bachelor's program; academic or industrial lab experience; safe handling of hazardous materials and PPE; familiarity with material characterization and DOE; Microsoft Office; Python or Minitab a plus; strong communication skills.
XRD, TGA, DSC, rheometry, Python, Minitab, Microsoft Office
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3w
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Intern - Unpaid; BR 21; 7.1.26
Denver, Colorado, United States
HybridInternship, Part Time
Texana Bank
Texana Bank: A regional bank and mortgage services provider offering community banking and mortgage offices with a long local history.
Structured, educational unpaid research internship (approx. 11 weeks). Produce written research report and presentation; conduct research and shadow loan officers. Estimated 18–20 hours/week; must be a minor with schedule accommodating training and school commitments.
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1w
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Automation/Robotic Engineer Intern
Windsor, Colorado, United States
$21-$25/hr OnsitePart Time
Kodak Alaris
Kodak Alaris: Provides professional document scanners, software, and retail photo products.
Undergraduate student pursuing BS in electrical, mechanical, or mechatronics engineering with 3.0+ GPA, legally authorized to work in the US; basic electrical/mechanical skills and documentation ability preferred.
Solidworks, Solidworks Electrical, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Allen Bradley, Rockwell Automation PLCs, RFID, Epson RC+, Visual Basic, C++, GLS, SQL, OPC
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1w
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Environmental Laboratory - Intern
Denver, Colorado, United States
$19/hr OnsitePart Time
Onterris
OnterrisNYSE: ONT: Global provider of environmental consulting, testing, and remediation services.
High school diploma, current university enrollment, basic lab techniques, Microsoft Excel, ability to lift up to 25 lbs, detail-oriented and good communication.
Microsoft Excel
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1d
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Instrument Solutions Intern
Denver, Colorado, United States
$25/hr OnsiteTemporary, Part Time
Metro Water Recovery
Metro Water Recovery: Operates wastewater treatment and recovery services in Denver.
Assist with maintenance, calibration, benchtop nutrient analyses, data recording/analysis, and support instrument trials; requires coursework in physical/biological sciences or environmental engineering.
Microsoft Office
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3d
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Manufacturing Engineer I - Intern Conversion
Denver or Cape Canaveral or Van Horn or Huntsville or Kent
OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
0+ YOEB.S. in engineering (mechanical/manufacturing/industrial/aerospace) within last year, fabrication and assembly experience, ability to interpret drawings and work instructions, internship/co-op or hands-on experience, able to start by Fall 2026, U.S. work-authorization required.
Creo, CATIA, SolidWorks, Python
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1mo
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Advisory Linux Systems Software Engineer
Boulder, Colorado, United States
$93k-$100k/yr HybridFull Time
Ricoh
RicohTokyo Stock Exchange: 7752: Provides digital workplace services, imaging equipment, and IT solutions.
5+ YOE5+ years developing low-level Linux systems software; strong C/C++; Python/Bash scripting; deep Linux internals, system bring-up, debugging, and hardware/software integration; bachelor's degree in CS/CE/EE or related.
Linux, C, C++, Python, Bash, GitLab, JIRA, Claude Code
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3w
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2026 Summer Intern, Human Resources (Talent Acquisition)
Denver, Colorado, United States
$19-$24/hr OnsiteInternship
Frontier Airlines
Frontier AirlinesNasdaq: ULCC: Provides low-fare passenger air transportation services across the Americas.
University enrollment preferred; coursework in HR, Communications, or Organizational Development preferred; customer service or event planning experience preferred; strong office and communication skills; proficiency with Microsoft Word and Excel.
Microsoft Word, Microsoft Excel, Learning Management System (LMS)
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1mo
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Applied Research Intern - Water (Fall 2026)
Denver, Colorado, United States
$23-$35/hr FieldMultiple Commitments Available
Stantec
StantecToronto Stock Exchange / New York Stock Exchange: STN: Global design, engineering, and environmental consulting firm.
Currently enrolled in a B.S. or higher in environmental/chemical engineering or related, lab and research experience, wet chemistry and sampling experience, strong analytical and communication skills, proficiency with Microsoft Excel/Word/PowerPoint.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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1mo
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Applied Research Intern - Water (Fall 2026)
Denver, Colorado, United States
$23-$35/hr FieldMultiple Commitments Available
Stantec
StantecTSX: STN: Provides professional engineering, architecture, and environmental consulting services.
0+ YOECurrently enrolled in a B.S. or higher in environmental/chemical engineering (or related) with lab and research experience; wet chemistry, sampling, analytical testing, data analysis, and strong written/oral communication.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint
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