127 application developer jobs at 70 companies in Marlborough, MO
1w
Save
Mark Applied
Hide
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
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
4w
Save
Mark Applied
Hide
Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years developing integrations and applications using iPaaS (Boomi/Mulesoft/Snaplogic), SQL, JSON/XML, modern stacks (.NET,C#/Node.js/TypeScript/Python/Ruby), DevSecOps practices and cloud platforms (AWS/Azure).
Boomi, Mulesoft, Snaplogic, SQL, JSON, XML, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrascan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
4w
Save
Mark Applied
Hide
Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years experience with enterprise iPaaS (Boomi/Mulesoft/Snaplogic), strong SQL and API integration skills, JSON/XML knowledge, application development on modern stacks (.NET6+/C#, Node.js/TypeScript, Python, Ruby), DevSecOps familiarity, cloud and container experience, Agile.
Boomi, Mulesoft, Snaplogic, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, SQL, JSON, XML, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrasan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
2w
Save
Mark Applied
Hide
Junior Application Developer
Denver or Springfield or Sterling or St. Louis
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's or equivalent, 0–3 years development experience, experience with Java and/or Python, familiarity with web apps and relational databases, TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD, containerization
2mo
Save
Mark Applied
Hide
Application Developer II
Bridgeton, Missouri, United States
OnsiteFull Time
3+ YOE3+ years developer experience with C#, Visual Studio, SQL 2012+, knowledge of OOP, Core/Web/MVC, microservices, Microsoft Azure, DevOps/Agile, telecom billing standards; strong communication; Bachelor's in CS or equivalent.
C#, Microsoft Visual Studio, SQL 2012+, Core, Web, MVC, Micro Services Architecture, Microsoft Azure, DevOps, Agile
2w
Save
Mark Applied
Hide
Junior Application Developer
Denver or St. Louis or Sterling or Springfield
$53k-$106k/yr OnsiteFull Time
0+ YOEBachelor's (or equivalent),0–3 years software development experience,Java and/or Python,web development and relational DB familiarity,TS/SCI clearance with polygraph,teamwork and problem-solving skills.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Git, CI/CD
1mo
Save
Mark Applied
Hide
Application Engineer
Hoffman Estates or St. Louis
OnsiteFull Time
Experience in motion control, motor drives, system integration, PLC programming, and customer-facing technical support; familiarity with industrial communication protocols and ROS; bachelor's degree or technical degree preferred.
CANopen, EtherCAT, PROFINET, EtherNet/IP, PLC, ROS (Robot Operating System), SolidWorks
2mo
Save
Mark Applied
Hide
Application Engineer
Washington, Missouri, United States
OnsiteFull Time
3+ YOEBachelor’s in engineering; 3+ years LEAN manufacturing experience; AutoCAD; proposal writing and cost estimation; strong communication.
AutoCAD
2mo
Save
Mark Applied
Hide
AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's degree,2+ years information security or software development experience,knowledge of application and AI security,experience with SAST/DAST/SCA/API security,AWS,Python,C#,GitHub;CISSP/CSSLP/GIAC preferred.
C#, Angular, Python, AWS, GitHub, SAST, DAST, SCA, API, Mobile, AI Coding assistants, MCPs, CI/CD
1w
Save
Mark Applied
Hide
ERP Application Developer
St. Louis, Missouri, United States
$100k-$120k/yr HybridFull Time
Hands-on X++ and Microsoft Dynamics 365 Finance & Supply Chain development experience, D365 deployment/support, Visual Studio, source control, strong problem-solving and communication skills; US work authorization required.
Microsoft Dynamics 365 Finance & Supply Chain, X++, Visual Studio, Power BI, Electronic Reporting, SSRS, Data Lake, Fabric, CodeX, Claude Code, C#, Javascript, T-SQL, WCF, Microsoft Outlook, Microsoft Excel, DevOps pipelines, MSFT Power Platform
1w
Save
Mark Applied
Hide
Service Application Engineer - Central (69301)
Cincinnati or Columbus or Parma or Fort Wayne or Indianapolis or Novi or Grand Rapids or Chicago or Appleton or Milwaukee or Duluth or Minneapolis or Kansas City or St. Louis or Des Moines
$108k-$158k/yr HybridFull Time
3+ YOEBachelor's in engineering or 7+ years field service/proposal experience in electrical services; 3+ years in application engineering/proposal development; unrestricted driver's license; able to work in US without sponsorship.
1mo
Save
Mark Applied
Hide
Application Software Engineer (Experienced or Senior), Phantom Works
Berkeley, Missouri, United States
$127k-$217k/yr OnsiteFull Time
3+ YOEBachelor's degree; active Secret clearance with ability to obtain Top Secret & Special Program Access; 3+ years experience with C++, C#, Linux, git, software architecture and TCP/UDP networked applications.
C++, C#, Linux, git, TCP, UDP
1mo
Save
Mark Applied
Hide
Application Software Engineer (Experienced or Senior), Phantom Works
Berkeley, Missouri, United States
$127k-$217k/yr OnsiteFull Time
3+ YOEBachelor's degree; active U.S. Secret security clearance with ability to obtain Top Secret & Special Program Access; 3+ years experience in C++, C#, Linux, git, software architecture, and TCP/UDP networked applications.
C++, C#, Linux, git, TCP, UDP, CodeVue
2mo
Save
Mark Applied
Hide
AI-Application Security Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOEExperience building and securing AI-enabled applications; hands-on in app security, AI security risks, vulnerability management, and secure-by-design practices.
C#, Angular, Python, AWS, GitHub, SAST, DAST, SCA, API Security, Mobile Security, Red Team, AI Tools
3w
Save
Mark Applied
Hide
Senior Application Engineer I
Chicago or Dallas or Nashville or Raleigh or Boston or Louisville or St. Louis or Costa Mesa or Morristown
HybridFull Time
4+ YOEBachelor’s or Master’s in Electrical Engineering/Power Systems, 4+ years in protection, control, and automation projects, knowledge of LV/MV power systems, protection relays, and communication protocols.
Modbus, DNP, IEC61850
1mo
Save
Mark Applied
Hide
Field Application Engineer -- Southeast Region
Chesterfield or Salisbury or Durham or Fayetteville or Richmond or Dalton or Bayport or South Carolina or Florida or Virginia or Maryland or United States
FieldFull Time
6+ YOEBachelor's in engineering, 6+ years in design/manufacturing of electronic devices, thermal/EM/mechanical/electrical design experience, SolidWorks/Abaqus/HFSS/Icepak/COMSOL proficiency, FEA understanding, strong customer-facing and project management skills, ~50% travel.
SolidWorks, Abaqus, HFSS, Icepak, COMSOL
1w
Save
Mark Applied
Hide
Software Developer / Application & Web Support Lead
Scott Air Force Base, Illinois, United States
OnsiteFull Time
5+ YOE5+ years SharePoint Online/web application development and sustainment; DCWF Work Role 212 proficiency; DoDM 8140.03 foundational qualification; final SECRET clearance; hands-on Power Platform, SharePoint Online, Nintex, Java/Oracle, ColdFusion, .NET/SQL; 508-compliant application delivery.
SharePoint Online, Microsoft Power Platform, Nintex, Java, Oracle, ColdFusion, .NET, SQL, Power BI
3w
Save
Mark Applied
Hide
Technical Application Scientist
Hazelwood, Missouri, United States
$80k-$100k/yr OnsiteFull Time
2+ YOEMaster's or equivalent, 2+ years field agronomy experience, experience with biological product application and seed treatment, strong written and oral communication, authorized to work in the US.
3w
Save
Mark Applied
Hide
Application Development Advisor- Hybrid
St. Louis, Missouri, United States
HybridFull Time
5+ YOEBachelor's in CS/CE or related plus 5+ years software development; experience with Hyperion EPM, Essbase, HFM, FDMEE, EPBCS, OAC, ODI, VB scripts; strong analysis and operations skills.
Hyperion EPM, FDM, Essbase, Essbase Studio, ODI, Visual Basic, Oracle Analytics Cloud (OAC), EPBCS, HFM, FDMEE, PCM
1w
Save
Mark Applied
Hide
Software Developer / Application & Web Support Lead
Scott Air Force Base, Illinois, United States
$110k-$140k/yr OnsiteFull Time
5+ YOE5+ years SharePoint Online/web application development and sustainment experience; DoDM 8140.03 and residential privileged access qualification; DCWF Work Role 212 or equivalent; Security+ / GSSP / CSSLP preferred; experience with Power Platform, Nintex, Java/Oracle, ColdFusion, .NET/SQL; 508 accessibility experience.
SharePoint Online, Microsoft Power Platform, Power Apps, Nintex, Java, Oracle, ColdFusion, .NET, SQL, Power BI
Explore Jobs