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Fort Collins • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Fort Collins • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Fort Collins • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Fort Collins • 50 milesRemote · Hybrid · Onsite · Field · All Environments

581 junior developer jobs at 248 companies in Fort Collins, CO

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1mo

.NET Application Developer (Junior & Mid-Level)

Broomfield, Colorado, United States

HybridFull Time

Sonepar

Sonepar: Global distributor of electrical products and B2B solutions.

3+ YOEBachelor's degree in CS/IT, 3+ years full-stack application development experience, proficiency with .NET/ASP.NET MVC, C#, Visual Studio, SQL Server, web technologies (JavaScript/TypeScript/HTML/CSS), and APIs.

Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, XML, JSON, JavaScript, TypeScript, jQuery, HTML, CSS

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1mo

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.

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1mo

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.

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2w

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

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1mo

Software Engineer

Westminster, Colorado, United States

$74k-$137k/yr HybridFull Time

Publicis Groupe

Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.

1+ YOEBA/BS in CS, 1-3 years big-data/software development; proficient in Scala, Python, or Java; strong Apache Spark and Databricks experience preferred; AWS and modern data tooling (Kubernetes, Docker, Airflow) experience.

Scala, Python, Java, Databricks, Apache Spark, Hadoop, Hive, Kubernetes, Docker, MWAA, Airflow, AWS, Git, SQL, Delta Lake, Unity Catalog

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1mo

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

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4w

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4w

Software Engineer II

Boulder, Colorado, United States

$100k-$130k/yr HybridFull Time

Spectra Logic

Spectra Logic: Provides scalable data storage and management solutions for long-term preservation.

2+ YOE2+ years professional development experience, proficiency in Go/C++/C/Java, bachelor’s degree or equivalent experience, strong communication and problem-solving skills.

Go, C++, C, Java, CI/CD

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2w

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2w

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++

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1mo

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

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1w

Jr. to Mid-level Software Engineer - Boulder, CO

Boulder, Colorado, United States

$110k-$138k/yr OnsiteFull Time

Davidson Technologies

Davidson Technologies: Delivers engineering and technology solutions for national security missions.

2+ YOEProficiency in C/C++, Python, Linux, and OOP; experience with algorithm development, state estimation, and data analysis; ability to travel up to 10%; active DoD Secret clearance required to start.

Linux, C, C++, Python, Java, Jira, Git, Conan, CMake, Nexus, Bash, grep, awk, cat, head, Confluence, Bitbucket

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3w

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3w

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

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1w

API Engineer

Boulder, Colorado, United States

$80k-$110k/yr HybridFull Time

Lynker

Lynker: Provides scientific and technical services for environmental and climate data.

1+ YOEExperience building and maintaining APIs, data schemas/versioning, testing and CI/CD; proficiency with Git, Linux, and modern programming languages; Master's or Bachelor's plus 1-2 years API/pipeline experience.

Python, REST, JSON, OpenAPI, JSON Schema, Git, Linux, Docker, Terraform, CloudFormation, GitHub Actions, GeoJSON, GeoParquet, R, Shiny, Rust, AWS

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2w

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2w

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

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2mo

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

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1w

Flight Software Engineer

Boulder, Colorado, United States

$130k-$280k/yr OnsiteFull Time

Impulse Space

Impulse Space: Developing in-space transportation services and orbital transfer vehicles.

2+ YOEBachelor's degree required; 2+ years writing C++ for embedded systems; experience with RTOS or Embedded Linux; knowledge of computer architecture, OS, data structures, networking; version control and test practices.

C++, RTOS, Embedded Linux, NASA cFS, ROS2

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1mo

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

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1w

Application Developer - JavaScript

St. Louis or Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or Vienna

$84k-$141k/yr OnsiteFull Time

Esri

Esri: Developing software for digital mapping and spatial data analysis.

2+ YOE2+ years developing web applications with JavaScript; TypeScript preferred. Experience with modern web frameworks, CI/CD, foundational cartography or visualization knowledge, bachelor's degree required.

JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, ArcGIS Experience Builder, React, Angular, Svelte, Vue, WebGL, CI/CD

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1mo

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

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1mo

R&D Power Electronics Expert Electrical Engineer Full Time (NJ or CO)

Budd Lake or Loveland

$86k-$231k/yr OnsiteFull Time

Keysight Technologies

Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.

BS/MS in Electrical Engineering, strong experience in power electronics, analog design, control systems, DSP/HDL, MATLAB and circuit simulators; ability to work on-site and mentor junior staff.

HDL, MATLAB, Saber, SPICE, PLECsim, Python

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2w

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.

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