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126 applications development engineer jobs at 78 companies in Castle Rock, CO

1w
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ASP.NET Applications Developer
Colorado Springs, Colorado, United States
$65k-$75k/yr OnsiteFull Time
Community Bible Study
Community Bible Study: Develops in-depth, interdenominational Bible study curriculum for all ages.
2+ YOERequires 2–5 years developing web applications with C#, ASP.NET, ASP.NET Core, and .NET technologies, plus Blazor, SQL Server, front-end technologies, source control, debugging, and collaboration skills.
C#, .NET, ASP.NET, ASP.NET Core, Blazor, SQL Server, Razor Pages, MVC, HTML, CSS, JavaScript, TypeScript, Tailwind, Entity Framework, ADO.NET, REST APIs, Azure DevOps, Microsoft Azure, Formstack, Azure
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1d
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Sr Applications Developer
Broomfield, Colorado, United States
HybridFull Time
Sonepar
Sonepar: Global distributor of electrical products and B2B solutions.
3+ YOEBachelor's degree in computer science, information technology, or related field; 3–5 years of full-stack development experience with .NET, ASP.NET MVC, C#, SQL Server, APIs, web technologies, and integrations.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, JavaScript, TypeScript, jQuery, JSON, HTML, CSS, XML
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4w
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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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1mo
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OT Applications System Developer, Sr.
Lakewood or Casper or Utah or Wyoming or Texas or Colorado
$105k-$158k/yr OnsiteFull Time
Tallgrass
Tallgrass: Provides midstream energy infrastructure and delivery services.
5+ YOEBachelor's degree or 7+ years Maximo experience; 5+ years system development experience using C#, Python, Java, REST API/JSON, and SQL; MS SQL/Oracle, DevOps (git/git-hub), Maximo MAS development, strong communication and analytical skills.
Maximo Application Suite (MAS) Manage, Maximo Integration Framework (MIF), Maximo BIRT, Microsoft Fabric, Power BI, C#, Python, Java, REST API/JSON, SQL, MS SQL, Oracle, git, git-hub, WinForms, Microsoft .Net, Microsoft Excel, Microsoft Word, Microsoft Access, Microsoft PowerPoint, Microsoft Outlook
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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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1mo
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Software Engineer – Oscilloscope Applications
Colorado Springs, Colorado, United States
$111k-$185k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNew York Stock Exchange: KEYS: Manufactures hardware and software for electronic test and measurement.
5+ YOE5+ years software development experience; B.S. or M.S. in EE/CE/CS; experience with embedded systems, signal processing, object-oriented design, C++/C#, Windows and Visual Studio; strong debugging and collaboration skills.
Windows, Windows WPF, C++, C#, Microsoft Visual Studio, Git, Confluence, Jira, Bitbucket
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1mo
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Mechanical Engineer
Thornton or Broomfield
$85k-$95k/yr OnsiteFull Time
StandardAero
StandardAeroNYSE: SARO: Provides maintenance, repair, and overhaul services for aircraft engines.
2+ YOEBachelor's degree in Engineering, 2+ years engineering experience in manufacturing or MRO. Experience developing repairs, tooling, processes, and documentation for component repair; knowledge of shop floor applications and Lean activities preferred.
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5d
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Senior Software Engineer- Java Developer
Aurora or Denver
$152k-$262k/yr OnsiteFull Time
Four Sea Group
Four Sea Group: Technical mission support and software engineering for aerospace.
8+ YOEBachelor's degree or equivalent practical experience, 8+ years of software engineering experience, substantial Java development, active Top Secret clearance, enterprise application, API, database, testing, and Agile experience.
Java, Java SE, Java EE, Spring Boot, Hibernate, RESTful APIs, JUnit, TestNG, Git, Docker, AWS, Azure, Google Cloud, SAFe
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1mo
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Building Controls Application Engineer
San Diego or Dallas or Chicago or Waco or Boston or Ashburn or Houston or Lehi or Denver
$120k-$130k/yr HybridFull Time
Mantis Innovation
Mantis Innovation: Provides managed facility services and energy procurement solutions.
10+ YOE10+ years engineering experience, 5+ years BMS application development; DDC and PLC programming, BACnet/Modbus/Ethernet-IP integrations, Niagara (Niagara N4), Ignition, Wonderware, Distech, networking knowledge, and Microsoft Office proficiency.
BMS, SCADA, DDC, PLC, BACnet, Modbus, Niagara, Niagara N4, Ignition, Wonderware, Distech, Ethernet/IP, SNMP, MQTT, Microsoft Office
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1mo
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Advanced Software Engineer
Colorado Springs or Huntsville
$113k-$125k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
3+ YOEDegree in software engineering or STEM with 3–5+ years relevant experience, Department of Defense Secret clearance and U.S. citizenship required, experience leading software development and applying technical standards, familiarity with AI applications.
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1d
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Application Developer, Senior
Washington or Orlando or Fort Meade or Minneapolis or Huntsville or Dayton or San Diego or Fort Sheridan or Devens or Norfolk or Millington or Phoenix or Fort Worth or Peterson Air Force Base or Belle Chasse or Buckley Air Force Base or San Antonio or MacDill Air Force Base or Tampa or Quantico or Lackland Air Force Base or Yorktown or Offutt Air Force Base or Rome or Reston or Camp Parks
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
6+ YOERequires 6+ years of application or software development, Node.js with TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, automated testing, TS/SCI clearance with polygraph, and a bachelor's degree.
Node.js, TypeScript, SQL, PostgreSQL, Redis, Elasticsearch, JSON, Java, JavaScript, Microsoft SharePoint, XML, VBAs, Oracle, MongoDB, Solr, OpenAI
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2d
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2026 Intern Conversion - Aerospace Software Apps Engineer I
Washington or Van Horn or Denver or Huntsville or Florida or Arlington or Los Angeles or Longmont or Reston
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
2026 Blue Origin internship completion, college enrollment or recent graduation, B.S. in engineering, full-time availability by September 2027, independent teamwork, communication skills, and U.S. work authorization.
Defense Biometric Identification System (DBIDS)
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2w
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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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1mo
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Application Engineer IV
Pittsburgh or Houston or Colorado Springs or Charlotte or Morton Grove
HybridFull Time
Xylem
XylemNYSE: XYL: Manufacturer of water transport, treatment, and testing technologies.
8+ YOEBS in Chemical Engineering (Master's preferred),8+ years relevant experience,expertise in water and wastewater processes,equipment selection,costing,proposal development,and strong communication and leadership skills.
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1d
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Software Developer
Aurora or Denver
$78k-$105k/yr HybridFull Time, Contract
University of Colorado
University of Colorado: Public research university providing higher education and healthcare services.
2+ YOEBachelor’s degree in a related computer field and 2 years developing enterprise applications, APIs, or integrations; education and related experience substitutions accepted.
C#, .NET 10, Blazor, JavaScript, TypeScript, Microsoft SQL Server, Entity Framework, REST APIs, ETL, Agile
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1mo
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Software Engineer
Denver or Springfield or Sterling or St. Louis
$99k-$207k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOEBachelor's degree in a technical discipline, 5+ years development experience, proficiency with Java and/or Python, experience with web applications and databases, ability to obtain Top Secret/SCI clearance; Agile and secure-coding experience.
Java, Python, ArcGIS, GeoServer, OpenLayers, Leaflet, Cesium, Docker, Kubernetes, CI/CD, DevSecOps
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2d
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Junior Java Developer
Washington or Colorado Springs or Colorado
OnsiteFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and management consulting services to government agencies.
2+ YOEU.S. citizenship, active final DoD Secret clearance, 2+ years of Java enterprise application development, and 1+ year each with AngularJS web technologies, Agile, and Java development tools.
Java, Spring, AngularJS, HTML, CSS, JavaScript, Bootstrap, Eclipse, JUnit, Git, Agile, SAFe
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2mo
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Software Engineer III
Greenwood Village or Denver
$130k-$150k/yr HybridFull Time
MiTek
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
5+ YOEBachelor's in computer science or related field, 5+ years professional software development, professional experience with C# and .NET, desktop application development, strong debugging and OOP skills.
C#, .NET, C++, Azure DevOps
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1mo
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Software Engineer Sr (Java)
Pittsburgh or Denver or Strongsville or Birmingham or Dallas
$86k-$158k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
3+ YOEFull‑stack Java development experience, 3+ years relevant industry experience, bachelor's degree typically required, strong application design and development skills.
Java
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3w
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Mid Software Developer
Colorado Springs, Colorado, United States
$116k-$174k/yr OnsiteFull Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
5+ YOESecret clearance, Bachelor's in Computer Science or related,5+ years developing web/cloud applications with Kubernetes/Docker,CI/CD,GIT, scripting and cloud expertise.
Kubernetes, Docker, GitOps, Terraform, Ansible, Python, Java, C++, JavaScript, Go, Next.js, Express, Node.js, PostgreSQL, MongoDB, Oracle, MySQL, Istio, GitLab, GitLab CI, Maven, Gradle, Bash, PowerShell, AWS, Amazon S3, ArgoCD, Vitest, Jest, Cypress, Playwright, Helm, Power BI, Tableau, React, TypeScript, Material UI, Vue.js, Angular
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