459 junior developer jobs at 209 companies in Wellington, CO

3w
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Junior Data Engineer
Boulder, Colorado, United States
$90k-$120k/yr OnsiteFull Time
Alta Resource Technologies
Alta Resource Technologies: Uses synthetic biology to extract and refine critical minerals.
1+ YOEBachelor's degree or equivalent experience, 1+ years industry experience, proficiency in Python and SQL, experience with data pipelines and ETL, familiarity with cloud platforms (AWS/S3) and data governance (FAIR). US citizenship required.
Python, SQL, Nextflow, Apache Airflow, Prefect, AWS, S3, Spark, dbt, Great Expectations, Apache Kafka, Spark Streaming, Git, CI/CD, OpenMetadata, DataHub, Dublin Core
3w
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Fire Protection Engineer (Junior-Level)
Ogden or Lompoc or Cheyenne or Great Falls or Minot
$93k-$130k/yr OnsiteFull Time
Cimarron
Cimarron: Provider of specialized engineering and technical services for aerospace.
2+ YOEU.S. citizen able to obtain Secret clearance, Bachelor's in Engineering, 2+ years fire protection experience, Real ID-compliant ID, ability to pass background/drug screen, experience designing fire protection systems for large facilities.
2w
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Web Developer
Fort Collins, Colorado, United States
$100-$150/hr OnsiteFull Time
Colorado State University
Colorado State University: Public research university offering undergraduate and graduate degree programs.
2+ YOEBS in IT/computer science or similar, 2 years web product development experience, familiarity with the Western Small Flocks Collaborative platform preferred, ability to implement, test, and document web features to grant standards.
3d
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Software Engineer
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$111k-$148k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
0+ YOEPursuing or recent Bachelor's/Master's in a technical field; experience with C/C++, Python, Java, Go, SQL, or JavaScript through coursework or internships; familiarity with software fundamentals, debugging, and development tools.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
2w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
2mo
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Software Engineer 1
Boulder, Colorado, United States
$95k-$105k/yr OnsiteFull Time
Garmin
GarminNYSE: GRMN: Designs and manufactures GPS-enabled navigation and wearable technology products.
Bachelor’s degree in CS, EE, CE, SE, AE, Math, Physics or related field or equivalent; GPA 3.0+; knowledge of C/C++/C#/Java; basic software development.
C, C++, C#, Java, Assembly Language
1d
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Developer Technology Engineer, AI - New College Grad 2026
Santa Clara or Austin or Durham or Boulder or Redmond or Salt Lake City
$124k-$242k/yr OnsiteFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
MS/PhD in CS or engineering (pursuing or recent grad) or equivalent experience; strong C/C++ and CUDA skills, parallel programming, AI algorithms, and excellent communication.
C, C++, CUDA C/C++
1mo
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Software Systems Engineer II
Centennial or Louisville
$106k-$145k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's degree (or equivalent), 2+ years related experience, strong programming skills, software development principles, Agile experience, Git proficiency, and ability to obtain/maintain Secret U.S. security clearance; U.S. citizenship required.
DOORS, Rhapsody, NoMagic, MATLAB, Git
2d
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Software Engineer III, Generative AI, Workspace Drive
Boulder, Colorado, United States
$147k-$211k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
2+ YOEBachelor's degree or equivalent experience, 2+ years software development, experience with GenAI/LLMs or related concepts, data structures and algorithms knowledge, strong communication and problem-solving skills.
1w
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Algorithm Developer, Battlespace Awareness
Broomfield or Fort Collins
$111k-$147k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
2+ YOEBachelor's in CS/Engineering/Math/Physics or equivalent, 2+ years relevant experience, strong C++ and Python skills, solid math foundation, software engineering fundamentals, ability to obtain Top Secret/SCI clearance.
C++, Python, MATLAB, Simulink, SQL, NoSQL, JavaScript, React, Node.js
1d
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Algorithms Analysis Engineer
Boulder, Colorado, United States
$132k-$198k/yr OnsiteFull Time
Grey Matters Defense Solutions
Grey Matters Defense Solutions: Develops software and AI algorithms for national defense missions.
1+ YOEActive U.S. Secret clearance, 1+ years software development with Python and/or C++, Linux experience, algorithm design and state estimation, data analysis, STEM degree preferred (BSc/MS/PhD) with commensurate experience, willingness to travel up to 10%.
Python, C++, Linux, grep, awk, cat, head, Matlab
3w
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Software Engineer II
Lafayette, Colorado, United States
$100k-$150k/yr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
2+ YOEBaccalaureate degree + 2 years relevant experience OR Master's with 0 years. Experience with C++, .NET, Windows desktop apps, Qt, ReactJS, mobile platforms, regulatory design processes, vulnerability/SBOM management, and Agile methodologies.
ReactJS, iOS, Android, WinForms, WPF, Qt, C++, Rad Studio, .NET, SBOM, Agile
3d
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12Y Geospatial Engineer
Cheyenne, Wyoming, United States
FieldPart Time
Army National Guard
Army National Guard: A reserve component of the United States military.
Must enlist in the Army National Guard, be 17–35, junior in high school or have HS diploma/GED, pass physical and legal standards, meet citizenship requirements; training provided.
3w
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Software Engineer II
Lafayette, Colorado, United States
$100k-$150k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
0+ YOEBaccalaureate degree with 2+ years relevant experience OR Master's with 0+ years. Experience maintaining software medical products, vulnerability scanning, SBOM management, and supporting web (ReactJS), mobile (iOS/Android) and desktop (Winforms/WPF/Qt/C++) applications; Agile and strong communication skills. Must have unrestricted U.S. work author...
ReactJS, iOS, Android, Winforms, WPF, Qt C++, Rad Studio C++, C++, Agile
1mo
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Dev Sec Ops Engineer
Boulder or Longmont
$80k-$159k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEProficiency with Git, Ansible/Terraform, Python/Bash, Linux; experience with containers, Kubernetes/OpenShift, CI/CD, and GitLab/Jenkins. Active Secret clearance (ability to obtain TS/SCI); Sec+ required or obtainable within 60-90 days. Typically 1+ years' experience and BS degree.
Git, Ansible, Terraform, Python, Bash, Linux, Docker, Podman, Kubernetes, OpenShift, Helm, GitLab, Jira, Confluence, Fortify, SonarQube, Coverity, vSphere, AWS, Jenkins
1mo
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Staff / Sr Staff DevSecOps Engineer
Boulder, Colorado, United States
$96k-$141k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
2+ YOEMinimum 2 years DevOps/DevSecOps experience with CI/CD, container deployments (Docker, Kubernetes/EKS), Istio, Prometheus/Grafana, Python3, Linux; bachelor's in CS/engineering/math/physical sciences; ability to obtain DoD security clearance; onsite work required.
Docker, Docker Compose, Kubernetes, Amazon Elastic Kubernetes Service (EKS), Istio, Prometheus, Grafana, Keycloak, Python3, Linux, Helm, GitLab CI, GitLab, SonarQube, JFrog Artifactory, Nexus, Grype, Syft, Git
1mo
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Machine Learning Engineer (SmartBidder)
Boulder, Colorado, United States
$100k-$160k/yr HybridFull Time
Ascend Analytics
Ascend Analytics: Software and analytics for the energy transition.
2+ YOE2+ years related experience, BS/MS in a quantitative field, strong Python and data-science skills (Pandas, NumPy, Scikit-Learn, PyTorch), cloud/container familiarity preferred, and strong communication skills.
Python, Pandas, NumPy, Sympy, Scikit-Learn, PyTorch, Azure, AWS, Docker
2d
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Software Engineer - Activity & Fitness, Watch Software
Boulder, Colorado, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Design and build fitness and mindfulness features, collaborate across software and hardware teams to create integrated user experiences.
6d
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Business Developer - Agriculture
Brentwood or Wichita or Loveland or Colorado Springs or Billings or Bozeman or Lenexa
$70k-$90k/yr HybridFull Time
Pinion
Pinion: Accounting and management consulting for agribusiness and food industries.
1+ YOE1-3+ years sales or business development experience; proven new business generation; experience in agriculture/agribusiness preferred; digital fluency with CRM and Microsoft 365; strong communication and critical thinking.
CRM platforms, Microsoft 365
1mo
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Junior MMRP Geophysicist
Fort Collins or Huntsville or Knoxville or Philadelphia
$55k-$65k/yr FieldFull Time
Tetra Tech
Tetra TechNASDAQ: TTEK: Global provider of high-end consulting and engineering services.
Bachelor's in geophysics/geology or related; willingness to work in MMRP; field teamwork, multitasking, and hardware troubleshooting; willingness to travel 50–75%; ability to lift ~30 lbs and wear PPE; HAZWOPER preferred.
RTK GPS, RTS, SLAM