22 dotnet developer jobs at 18 companies in Sparta, IL
2mo
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Developer II
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOESoftware development experience with SDLC understanding; strong troubleshooting; proactive problem solving; team collaboration.
C#/.NET, Angular, AngularJS, TFS, Git, MS SQL Server, Microsoft Excel
1mo
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Mid Software Developer
O'Fallon, Illinois, United States
OnsiteFull Time
2+ YOEMinimum 2 years relevant experience (or HS/GED +6 yrs); experience with AWS (S3, EC2, Lambda), Python, shell scripting, TypeScript, Node.js/Express, ASP.NET Core, C#, Postgres, Kubernetes, Docker, .NET Core, Linux, React, Java, and SQL; AWS Developer certification and TS/SCI clearance preferred; must pass background and drug screening.
Amazon S3, EC2, Lambda, AWS SDK API tools, RDS, Python, Python Flask, Bash, TypeScript, Node.js/Express, ASP.NET Core Web API, Swagger (OpenAPI), C#, Postgres, Kubernetes, Docker, .NET Core, Linux, React, JavaScript, Java, SQL, Gitlab/DevOps, ESRI, Microsoft Word, Microsoft Excel, Microsoft Office
4d
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Software Engineer III
Saint Louis, Missouri, United States
OnsiteFull Time
3+ YOERequires 3–6 years with .NET/.NET Core MVC, SQL Server, Azure, full-stack MVC development, REST/RPC APIs, DevOps, Agile, troubleshooting, communication, and a bachelor's degree or equivalent.
.NET, .NET Core MVC, SQL Server, Model-View-Controller (MVC), Azure, REST, RPC, DevOps, Agile, SQL, Microsoft .NET Framework
1mo
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Sr. Engineer, Software - Archimedes
St. Louis or Brentwood or Alaska or Arizona or Arkansas or California or Connecticut or Delaware or Hawaii or Idaho or Louisiana or Maine or Massachusetts or Michigan or Mississippi or Montana or Nebraska or Nevada or New Mexico or New York or North Carolina or North Dakota or Oregon or Rhode Island or South Carolina or South Dakota or Texas or Utah or Vermont or Washington or West Virginia or Wyoming or United States
HybridFull Time
8+ YOEBachelor's in CS or related; 8+ years software engineering experience (5+ years with C#, .NET, React); experience with cloud-native, APIs, microservices, CI/CD, Git, Azure; technical leadership and mentoring experience.
C#, .NET, ASP.NET Core, React, TypeScript, JavaScript, REST APIs, GraphQL, Webhooks, API Management, Microsoft Azure App Services, Microsoft Azure Functions, Microsoft Azure Container Apps, Microsoft Azure Kubernetes Service (AKS), Microsoft Azure Storage, Microsoft Azure Databricks, Microsoft Azure Data Lake Storage Gen2, Microsoft Azure Synapse Analytics, Microsoft SQL Server, PostgreSQL, Microsoft Azure DevOps, GitHub Actions, CI/CD, Infrastructure as Code, Retrieval-Augmented Generation (RAG), Microsoft Azure OpenAI, Microsoft Azure AI Services, Intelligent Automation, Agent-Based Solutions, OWASP, OAuth2, OpenID Connect, DevSecOps, Git, Azure Repos, GitHub, TFS, Jira, Unix/Linux shell scripting
3w
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Senior Software Engineer and Consultant
Saint Louis, Missouri, United States
RemoteFull Time
5+ YOE5+ years .NET and SQL Server experience, T-SQL and JavaScript proficiency, strong OOP and relational database knowledge, debugging/testing skills; Bachelor\u0002s in CS preferred.
Microsoft .NET, Microsoft SQL Server, T-SQL, JavaScript, Blazor, jQuery, REST API, XML, EDI
1w
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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
1w
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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
1mo
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Intermediate Software Developer
Scott Air Force Base, Illinois, United States
$100k-$105k/yr HybridFull Time
2+ YOEAbility to obtain Secret clearance, Associates degree with 2+ years experience, Security+ required, experience with .NET/C#/C++, cloud, unit testing with Moq/NSubstitute, Agile, and DevOps collaboration.
Moq, NSubstitute, .NET Framework, .NET, C#, C++, Oracle, AWS EC2, Java
4d
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Lead Technologist
St. Louis, Missouri, United States
OnsiteFull Time
8+ YOERequires 8+ years of full-stack software development, four-year degree, Top Secret clearance, and expertise in Esri, Java, JavaScript, Python, SQL, React.js, Node.js, .NET Framework, PostgreSQL/PostGIS, GitLab, Jira, and Agile/Scrum.
Esri Suite, ArcGIS Enterprise, ArcGIS Pro, Experience Builder, Workflow Manager, SOCET GXP, CIB, DPPDB, Java, JavaScript, Python, SQL, React.js, Node.js, .NET Framework, RESTful API, PostgreSQL, PostGIS, GitLab, CI/CD, Jira, Windows, Linux, GEOINT, GDATM, CDATM, Agile, Scrum
3w
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AI Engineering Lead
Columbia, Illinois, United States
HybridFull Time
Proven experience integrating LLMs into production, prompt engineering, RAG, Python or .NET (C#), vector DBs, cloud AI services, and leading cross-functional AI programs.
Anthropic Claude, OpenAI, Claude Code, GitHub Copilot, Python, .NET (C#), Pinecone, pgvector, AWS Bedrock, Amazon SageMaker, Twilio, Amazon Connect, IVR
3d
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Cloud Solutions Architect / Database Engineer / AI Platform Architect (Missouri , Saint Louis )
St. Louis, Missouri, United States
$150k-$180k/yr OnsiteFull Time
Deep expertise in cloud architecture, C#/.NET, SQL Server, REST APIs, security, authentication, Azure or AWS, integrations, and production AI/LLM applications; provides technical leadership and mentoring.
C#, .NET, SQL Server, REST, ASP.NET Core, OAuth 2.0, OpenID Connect, JWT, SSO, RBAC, SSL/TLS, CI/CD, OpenAI, Azure OpenAI, Anthropic, Google AI, Large Language Model (LLM), Retrieval-Augmented Generation (RAG), ETL
2d
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2026 Intern Conversion – 2027 Technology Analyst Development Program
Charlotte or Irving or Phoenix or Chandler or Saint Louis or Iselin
$38-$63/hr HybridFull Time
0.5+ YOERequires 6+ months of experience or equivalent, STEM bachelor's pursuit, technical knowledge in programming, cloud, SQL, APIs, algorithms, AI, and software development cycles.
Java, .NET Core, ReactJS, Node.js, AngularJS, jQuery, JavaScript, Spring Boot, API, Microservices, Harness, OpenShift, Microsoft Azure, Google Cloud, Python, TensorFlow, NumPy, Pandas, MongoDB, MySQL, SQL, GitHub, Terraform, Kubernetes, Docker, Jenkins, Tableau, Microsoft Power BI, PyTorch, PySpark, Jupyter Notebook, Spark, Kafka, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Continuous Integration (CI), Continuous Deployment (CD)
1mo
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Software Engineering Senior Manager - Hybrid
St. Louis or Whitestown or North Burlington or Tempe or Bloomfield
$138k-$230k/yr HybridFull Time
8+ YOE3+ Mgmt8+ years in software engineering or production systems, 3+ years leading technical teams; experience with enterprise production applications, cloud platforms (AWS or OpenShift), Microsoft C#.NET, C++, Angular, Oracle, Microsoft SQL Server, incident management, and Agile delivery.
AWS, OpenShift, Microsoft C#.NET, C++, Angular, Oracle, Microsoft SQL Server, Safire, Agile, AI
3d
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Digital Co-op
St. Louis, Missouri, United States
$21-$30/hr HybridFull Time, Internship
Currently pursuing a bachelor's or master's degree in a computer-related field, engineering, or MIS; minimum 2.5 GPA; problem-solving, collaboration, initiative, requirements gathering, and deadline management skills.
.NET, SQL, COBOL, Java, C#, TypeScript, JavaScript, HTML, CSS, MVC, Angular, PowerShell, REST API, Oracle, SQL Server, AWS, Visual Studio, Visual Studio Code, Eclipse, Jira, Confluence, GitHub, Splunk, SQL Server Reporting Services (SSRS), Agile, Scrum, Kanban
1mo
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Manager, DTC Software Engineering
St. Louis or Boston
$122k-$183k/yr HybridFull Time
New Balance: Designs and manufactures athletic footwear, apparel, and sports equipment.
10+ YOE4+ Mgmt10+ years technical experience, 4+ years managing engineers, Bachelors in CS/IS or related, eCommerce experience preferred, strong engineering best practices and security knowledge.
HTTP, HTML, CSS, JavaScript, Node.js, .Net, C#, Java, PHP, REST, SOA, microservices, message queues, databases, Microsoft Azure, Salesforce Commerce Cloud, Confluence, Jira, Service Desk, Bitbucket
3d
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Digital Co-op
St. Louis, Missouri, United States
$21-$30/hr HybridFull Time, Internship
Currently pursuing a bachelor's or master's degree in computer science, computer engineering, management information systems, engineering, or a related field; minimum 2.5 GPA; problem-solving and collaboration skills.
.NET, SQL, COBOL, Java, C#, TypeScript, JavaScript, HTML, CSS, MVC, Angular, PowerShell, REST API, Oracle, SQL Server, AWS, Visual Studio, Visual Studio Code, Eclipse, Jira, Confluence, GitHub, Splunk, SQL Server Reporting Services (SSRS), Agile, Scrum, Kanban
2mo
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D365 F&O Technical Solution Architect
Denver or Los Angeles or Washington or Troy or New York or Houston or Chicago or Grand Rapids or Owings Mills or Richmond or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Tampa or Minneapolis or Anchorage or Salt Lake City or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego
$158k-$197k/yr OnsiteFull Time
6+ YOE6+ years technical D365 experience leading projects and teams; proficiency with X++, .NET/C#, SSRS, RESTful APIs, SQL, JSON, ADO/Visual Studio/LCS and D365 F&O implementation technologies; strong analytical and communication skills.
X++, .NET/C#, SSRS, RESTful API Web Services, SQL, JSON, ADO, Visual Studio, LCS, ADO Pipelines, Build Runs (Software Deployable Packages), D365 F&O, Microsoft Dynamics 365, Microsoft Dynamics Finance & Operations, Microsoft Dynamics Business Central, Business Central, Sales Cloud, Service Cloud, Marketing Cloud, Microsoft Finance and Supply Chain Management, Dynamics 365 CRM
1w
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IT Development Manager
St. Louis, Missouri, United States
HybridFull Time
7+ YOE7+ years software development experience, bachelor's degree in a technical field, SQL Server and .NET proficiency, experience leading Agile teams with Jira, strong communication and technical leadership skills.
SQL Server, SQL, .NET, C#, JavaScript, HTML, API, Jira
2w
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Senior Manager, IT – IT Development
St. Louis, Missouri, United States
$71k-$104k/yr OnsiteFull Time
6+ YOE5+ MgmtBachelor's plus 6+ years (or Master's 5+, Doctorate 3+) with 5+ years supervisory experience; expertise in application development, integrations, database architecture, cloud services, and project leadership.
Microsoft Azure, Amazon Web Services, ColdFusion, SQL Server, Oracle, PostgreSQL, MySQL, .NET, C#, Python, REST APIs, Azure Integration Services, Boomi, Power BI, Kuali Build, Bridge
3w
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Geospatial Analyst
Arnold, Missouri, United States
OnsiteFull Time
5+ YOEUS citizen with TS/SCI and ability to obtain CI Polygraph, minimum 5 years experience, georeferencing and GIS (ArcGIS/QGIS), GEODEC familiarity, experience with geospatial databases and scripting, strong analytical skills.
ArcGIS, QGIS, GEODEC, Putty, Rimage, Bartender, Oracle Database, .Net, Python, C++, Java
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