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30 software application engineer jobs at 18 companies in Fort Collins, CO

3mo
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Engineer II – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$79k-$135k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
2+ YOEBS in engineering +2 years experience, current Secret clearance with ability to obtain TS/SCI, experience with cloud, containerization, C/C++, Rust, Python, Ruby, web frameworks, databases, UML, and formal software development practices.
CI/CD, Containerization, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Python, Qt, C++, Java, Rust, Ruby, SQL, NoSQL, JPA/ORM, PlantUML, Cameo, MATLAB, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
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2mo
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Senior Engineer – Ground/Application Software
Broomfield or Westminster or Boulder or Colorado or United States
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBS in engineering +4 years related experience; must be U.S. person/citizen and able to obtain Top Secret/SCI; experience with embedded satellite software, CI/CD, containerization, C/C++, Rust, Python; 10% travel; onsite 5 days/week.
CI/CD, Containerization, C/C++, Rust, Python, Ruby, AWS, Lambda, Docker, Kubernetes, Spring, Jersey, Flask, CherryPy, Ruby on Rails, JavaScript, Angular, React, JavaFX, Qt, SQL, NoSQL, JPA/ORM, Java, UML, Cameo, PlantUML, MATLAB, DevSecOps, gtest, ctest, MQTT, AMQP, Kafka, Nginx, Apache, Postgres
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3w
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Senior Engineer – Ground/Application Software Integration
Broomfield or Westminster or Boulder
$97k-$165k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
4+ YOEBS in engineering plus 4+ years related experience; ability to obtain TS/SCI; experience with CI/CD, containerization, cloud, Agile, Python or Ruby, Atlassian tools, and systems engineering.
CI/CD, Containerization, Python, Ruby, Confluence, Jira, Jama, DOORS, SysML
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3w
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Application Developer - JavaScript
Charlotte or Louisville or Minneapolis or Olympia or Philadelphia or Redlands or San Antonio or St. Louis or Vienna
$84k-$141k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years web application development with JavaScript/TypeScript, experience with modern web frameworks, CI/CD, foundational cartography knowledge, bachelor's degree, and ability to travel up to 25–50%.
JavaScript, TypeScript, ArcGIS Maps SDK for JavaScript, React, Angular, Svelte, Vue, WebGL, ArcGIS Experience Builder, CI/CD
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1w
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Senior Full Stack Software Engineer - Application Engineering
Bothell or Boulder or College Park or Toronto
$146k-$209k/yr HybridFull Time
IonQ
IonQNYSE: IONQ: Develops and sells trapped-ion quantum computers and cloud services.
5+ YOEBachelor's degree or equivalent experience; 5+ years full-stack development and API framework experience; JavaScript, Python, or Golang; UI visualization; scientific or quantum computing experience.
JavaScript, Python, Golang, REST, GraphQL, gRPC, three.js, D3, WebGL, Agentic AI, numpy, pandas, C, C++, AWS, GCP
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2w
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Software Engineer (5489) (Boulder, CO) (Secret)
Boulder, Colorado, United States
$110k-$140k/yr OnsiteFull Time
SMX
SMX: Providing cloud, cybersecurity, and mission-focused technology solutions to government.
5+ YOEActive DoD Secret clearance and U.S. citizenship,5+ years C++ experience,Proficient Unreal Engine and Linux,EMR not applicable,strong problem-solving and communication skills.
C++, Unreal Engine, Linux, Python, Javascript, Typescript, Jira, Confluence, Gitlab, Gitlab Runner, Docker, Kubernetes, Helm Charts
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1mo
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.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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1w
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Senior Software Engineer - Backend Engineering
Broomfield or Chicago or Peoria or Irving
$113k-$183k/yr OnsiteFull Time
Caterpillar
CaterpillarNYSE: CAT: Manufactures construction and mining equipment, engines, and gas turbines.
8+ YOERequires 8+ years building enterprise-scale backend applications, with Java, Spring Boot, REST APIs, microservices, AWS, distributed systems, databases, technical leadership, mentoring, and communication skills.
Java, Spring Boot, REST APIs, Microservices, AWS, PostgreSQL, MySQL, DynamoDB, CI/CD
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1mo
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Senior Application Security Engineering Lead
Boulder, Colorado, United States
$155k-$185k/yr OnsiteFull Time
SciTec
SciTec: Provides advanced remote sensing and missile defense technology solutions.
8+ YOEBachelor's plus 8+ years cybersecurity/software experience (or equivalent), 2+ years application security, source-code analysis, secure SD practices, ability to obtain DoD Secret clearance and meet DoD 8140.01, strong communication and collaboration skills.
C++, Python, JavaScript, Rust, Coverity, Klocwork, SonarQube, Snyk, Sonatype, Anchore, JFrog Xray, AFL, AFL++, honggfuzz, strace, eBPF, Ghidra, IDA Pro, MITRE ATT&CK
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4d
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Embedded Software/ Firmware R&D Engineer I
Lafayette, Colorado, United States
$74k-$112k/yr OnsiteFull Time
Medtronic
MedtronicNew York Stock Exchange: MDT: Develops and manufactures medical devices and digital health solutions.
Bachelor's degree in electrical, computer, or related engineering/science field; teamwork skills and applicable coursework. C/C++ and Python, digital circuits, medical devices, risk management, and physiology are preferred.
C, C++, Python, AI, FDA, MDR, SFMEAs
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1mo
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Morpheus Software Principal UI/UX engineer
Fort Collins or Houston or Durham
$152k-$349k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
10+ YOE10+ years building production web applications with React and TypeScript; bachelor’s degree or equivalent; front-end architecture, design systems, accessibility, and cloud platform experience; strong product and communication skills.
React, TypeScript, HTML, CSS, AWS, Microsoft Azure, Google Cloud
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1w
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HMI and Network Engineer
Longmont, Colorado, United States
$65k-$80k/yr OnsiteFull Time
Quest Global
Quest Global: Global engineering services for product development and lifecycle management.
1+ YOEBachelor's degree in IT, computer science, or engineering; legal US work authorization; willingness to travel 10%; experience with industrial protocols, HMI software, Windows applications, and engineering design.
OPC, Modbus, TCP/IP, ProfiBus, Proficy Cimplicity, Historian, Microsoft Visio, Windows XP, Windows 2000, Windows 7, Windows 10, Windows Server 2012, Microsoft Office, GE Mark VI, Cimplicity HMI
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2w
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Senior Customer Solutions Engineer
Sunnyvale or Boulder or San Francisco
$152k-$221k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
6+ YOEBachelor's in engineering/CS or equivalent,6+ years with client-side web tech and programming,experience troubleshooting partners,EMR not applicable; SQL/NoSQL and systems experience preferred.
HTML, CSS, JavaScript, HTTP, Java, C, C++, Python, SQL, NoSQL, Linux, Unix
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1mo
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Applications Developer II
Louisville, Colorado, United States
$89k-$122k/yr OnsiteFull Time
Sierra Space
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
2+ YOEBachelor's or equivalent, typically 2+ years experience, proficiency in two+ programming languages, Git, debugging, testing, and independent software design and implementation.
Git, Microsoft SQL Server, Microsoft Access, VBA, Microsoft Power BI, Python, MATLAB, AWS, Azure, Google Cloud, Spring, Django, .NET, React, Angular
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1d
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Senior Data and Integration Developer
Fort Collins, Colorado, United States
$137k-$199k/yr OnsiteFull Time
Platte River Power Authority
Platte River Power Authority: Generates and provides electricity for Northern Colorado communities.
8+ YOE2+ MgmtBachelor’s degree or equivalent experience, 8+ years in application or data engineering, 5+ years implementing SDLC solutions, 2+ years technical leadership, and a valid driver’s license.
Python, SQL, JavaScript, JSON, CSS, APIs, Oracle Integration Cloud (OIC), Apache Camel, IBM MQ, MuleSoft, Apigee, API Management (APIM), ERP, EAM, PCI, GIS, VPN, SSL, OAuth, PySpark, C#, Java, Microsoft Azure, Amazon Web Services (AWS), Google Cloud, Oracle Fusion, SAP, Microsoft Dynamics, Databricks, Snowflake, Microsoft Fabric, Informatica, Fivetran, Vertex AI, AWS SageMaker, Dataiku, ServiceNow, Microsoft SQL Server, Oracle, ETL, ELT, SDLC, DevOps, ITIL
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1mo
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Applications Engineer III - Full Stack Developer
Louisville, Colorado, United States
$95k-$166k/yr HybridFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
5+ YOEBachelor's in engineering/computation plus 5+ years (or MS/PhD equivalents), strong experience with containerized and desktop app development, git and CI/CD, C/C++/Python/Rust/Bash, and familiarity with communication protocols.
C, C++, Python, Rust, Bash, Git, Docker, Docker Compose, Podman, Kubernetes, CI/CD, JavaScript, HTML, React, AWS, Azure, Google Cloud Platform (GCP)
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3mo
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Systems Analyst I, II, or Systems Engineer
Cheyenne, Wyoming, United States
$19-$43/hr OnsiteFull Time
ANB Bank
ANB Bank: Provides personal and commercial banking and wealth management services.
Delivery, maintenance, and documentation of applications; third-party and in-house software integration; support and development of processes.
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1w
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Operational Applications and Infrastructure Developer
Boulder, Colorado, United States
$80k-$128k/yr OnsiteFull Time
Lynker
Lynker: Science and technology solutions for government and environmental agencies.
10+ YOEMaster's degree in a STEM discipline and 10+ years' related experience. Requires Python, Docker, AWS, SQL, PostgreSQL or equivalent databases; supports APIs, CI/CD, infrastructure automation, and on-call operations.
Python, Docker, AWS, SQL, PostgreSQL, DynamoDB, MongoDB, Agile SCRUM, Kanban, GitLab, Jira
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1mo
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Senior Director, Compute Platform Engineering
Fort Collins or Spring
$176k-$426k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
10+ YOE5+ Mgmt10+ years software engineering with 5+ years engineering management; embedded Linux, CI/CD, build systems, automation, and practical AI/LLM application experience; strong communication and open source familiarity.
embedded Linux, CI/CD, LLM, Linux
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3mo
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Product Security Architect
Loveland, Colorado, United States
$129k-$214k/yr RemoteFull Time
Keysight Technologies
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
8+ YOE8+ years in product/application security or security engineering; experience with threat modeling, secure architecture reviews, SAST/DAST/SCA, and vulnerability management; strong software engineering background and cloud security knowledge.
SAST, DAST, SCA, secrets detection, CI/CD, Java, C#, C, C++
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