832 application jobs at 322 companies in Florissant, MO
2w
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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
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
1mo
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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
1mo
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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
4w
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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.
1mo
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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
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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
1w
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Application Management Analyst, IT
St. Louis, Missouri, United States
OnsiteFull Time
0+ YOEBachelor's degree or equivalent experience; 0–3 years in application support, IT operations, or investment operations; familiarity with named IT tools, ITIL practices, and strong communication skills.
SQL Server Management Studio, SSRS, Tableau, Microsoft Azure DevOps, ServiceNow, BNY Mellon Eagle, DTCC CTM, BBH Infomediary, Charles River IMS, ITIL
13h
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EHR Application I Analyst
Saint Louis, Missouri, United States
$57k-$93k/yr RemoteFull Time
0+ YOEHigh school diploma or GED and less than 2 years of experience required; healthcare background and Epic experience preferred. Configure, test, support, and maintain clinical applications.
Epic, Electronic Health Record (EHR), Microsoft Excel
3w
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Application Development Senior Advisor
Bloomfield or Austin or St. Louis or Denver or Bloomington or Philadelphia or Morris Plains or Plano
$122k-$204k/yr HybridFull Time
6+ YOE6+ years supporting enterprise applications, 3+ years Python, hands-on AWS and monitoring (Dynatrace, Splunk), SRE/ops experience, KPI/SLO measurement, automation and observability skills.
Python, AWS, IAM, EC2, S3, CloudWatch, Lambda, Step Functions, SQS, SNS, Glue, Athena, Dynatrace, Splunk, Docker, Kubernetes, Terraform, Databricks, Snowflake, GitHub Actions, Jenkins
2mo
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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
2mo
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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
1mo
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Senior Application Developer
Denver or St. Louis or Sterling or Springfield
$75k-$158k/yr OnsiteFull Time
8+ YOEBachelor's or equivalent,8+ years software development experience,expertise in Java and/or Python,REST APIs,relational and non-relational databases,CI/CD and Git,TS/SCI clearance with polygraph required.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS, Git, CI/CD
1mo
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Application Scientist I
Saint Louis or Hoffman Estates or Milwaukee
OnsiteFull Time
B.S. or higher in food science/chemistry/chemical engineering/pharmacy/biological sciences; 1–3 years NPD or technical-ingredient experience preferred; strong communication and analytical skills.
1mo
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Lead Application Developer
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOE5+ years developer experience, bachelor\u0002s in CS/IS/CE or equivalent, experience with Microsoft stack and web frameworks, strong analytical and communication skills.
C#, ASP, JavaScript, HTML, CSS, Angular 1.x, Angular 7, TypeScript, TFS, DevOps, GIT, Visual Studio, Microsoft SQL Server, Microsoft Windows Server
1mo
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Lead Application Architect
San Francisco or St. Louis or Cleveland or Philadelphia or Chicago or New York City or Kansas City or Boston or Atlanta or Minneapolis or Dallas or Richmond
$164k-$263k/yr OnsiteFull Time
10+ YOEExtensive Saviynt or SaaS IGA experience, 10+ years in IAM/IGA, strong cybersecurity and systems engineering, Saviynt certification required (or obtain after hire), bachelor’s required, excellent communication and leadership.
Saviynt, REST, SCIM, JDBC, LDAP, SOAP, SQL, Microsoft Entra ID, Active Directory, AWS, Azure, Google Cloud
1mo
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Staff Application Specialist
St. Louis, Missouri, United States
$55k-$62k/yr OnsiteFull Time
2+ YOEBachelor's in Accounting/Finance, 2+ years accounting experience (nonprofit preferred), GAAP knowledge, Excel proficiency, strong analytical and organizational skills.
Microsoft Excel
1mo
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Senior Application Developer
Denver or Springfield or Sterling or St. Louis
$75k-$158k/yr OnsiteFull Time
8+ YOEBachelor's in CS or related,8+ years software development experience,expert Java and/or Python,REST APIs,databases,CI/CD,GIT,TS/SCI clearance and polygraph willingness.
Java, Python, ArcGIS, GeoServer, OpenLayers, Cesium, Kubernetes, AWS/C2S, Git, CI/CD
1w
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Enterprise Application Training Consultant
Lafayette or Raleigh or Hartford or St. Louis
$81k-$218k/yr OnsiteFull Time
7+ YOE7+ years in enterprise application training, customer enablement, or implementation consulting; strong presentation, instructional design, and learning asset development skills; bachelor’s in computer science preferred.
2w
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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.
2mo
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General Application to Work at CCLS (2026-2027)
St. Louis, Missouri, United States
OnsiteAll Commitments Available
Open to applicants for multiple roles; seeks Christ-centered, people-focused, excellence-driven candidates; prior Lutheran school experience preferred.
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