124 applications development engineer jobs at 70 companies in Louisville, CO

3d
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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, REST APIs, and web technologies.
Microsoft .NET Framework, ASP.NET MVC, C#, Visual Studio, Microsoft SQL Server, RESTful services, Web API, JavaScript, TypeScript, jQuery, JSON, HTML, CSS, XML
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
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
2d
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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
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)
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.
1w
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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
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
4d
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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)
3d
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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
2mo
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Controls Gas Turbine Engineer
Greenville or Longmont
$65k-$75k/yr HybridFull Time
Quest Global
Quest Global: Global engineering services for product development and lifecycle management.
B.S. in Electrical, Mechanical, or Industrial Engineering required. Strong communication and interpersonal skills. Experience developing and testing control systems and writing requirements for turbine application code preferred.
1d
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Software Engineer
Littleton, Colorado, United States
$91k-$169k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
Software development with Java or C#, web application and web service development, debugging or testing, critical thinking, communication, collaboration, and on-call support as needed.
Java, C#, RESTful APIs, ActiveMQ, Docker, Kubernetes, Elastic Search, Kibana, Logstash, Scrum, Kanban
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
1w
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Commercial Application Engineer
United States or Longmont
$93k-$155k/yr RemoteFull Time
GE Vernova
GE VernovaNYSE: GEV: Designs and services technologies for global power generation and electrification.
Bachelor's degree in engineering, technology, or related field; experience in technical sales, commercial proposals, or application engineering; industrial controls knowledge; and strong technical communication skills.
Distributed Control Systems (DCS), Programmable Logic Controllers (PLCs), Supervisory Control and Data Acquisition (SCADA)
3d
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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
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
2d
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Senior Full Stack Developer
Denver, Colorado, United States
$100k-$130k/yr HybridFull Time
Liberty Global
Liberty GlobalNASDAQ: LBTYA: Leading converged broadband, video and mobile communications.
Experienced full-stack developer skilled in scalable applications, APIs, data integrations, cloud-native environments, testing, CI/CD, Agile Scrum, technical architecture, and mentoring engineers.
CI/CD, Agile Scrum
1d
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Business Development Manager - Automation (DeltaV)
Centennial or Englewood
$130k-$150k/yr OnsiteFull Time
Applied Control
Applied Control: Provides industrial automation and process control solutions.
Preferred engineering degree and technical sales experience; requires Microsoft Excel/MS Suite skills, mechanical and electrical knowledge, problem-solving ability, and experience with control systems and advanced applications.
DeltaV, Microsoft Excel, Microsoft Office, Distributed Control System (DCS), PLC, Advanced Applications software
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
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