87 net jobs at 45 companies in O'Fallon, IL
1w
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.Net Developer
St. Louis, Missouri, United States
HybridFull Time
4+ YOE4+ years professional experience with Microsoft's .NET technologies, .NET Web Forms, C# or VB.NET, HTML/JavaScript/CSS, and SQL Server; bachelor's degree preferred.
.NET Web Forms, C#, VB.NET, HTML, JavaScript, CSS, jQuery, T-SQL, Microsoft SQL Server, Microsoft IIS, Bootstrap, Foundation, Infor M3, Web Services, AJAX, SOA
3w
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Senior .Net Engineer - Real Time Product Engineering
St. Louis, Missouri, United States
HybridFull Time
5+ YOEBachelor's in CS or related,5+ years software development,proficiency in C# and C++,Git,SQL,knowledge of Agile/DevOps,data structures,algorithms,and strong communication skills.
C#, C++, Git, DX1, SQL, Python, Perl, AWS, Azure, Google Cloud, Docker, Kubernetes, Copilot
2mo
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Lead Software Engineer (.Net)
Saint Louis, Missouri, United States
$112k-$141k/yr HybridMultiple Commitments Available
5+ YOE5+ years in software development; 1–2 years in technical leadership; strong .NET Core/C#, Azure, NoSQL/Relational DB, CI/CD, REST APIs; able to mentor and lead architecture efforts.
.NET Core, C#, Microsoft Azure, Cosmos DB, MongoDB, Docker, Kubernetes, React, Angular, Vue.js
1w
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Full Stack Software Developer (.NET/React)
St. Louis, Missouri, United States
HybridFull Time
3+ YOE3+ years .NET experience, Next.js/React front-end, Optimizely CMS and headless CMS integration, GraphQL/REST APIs, Azure CI/CD and DevOps, Git, CSS/SCSS, JavaScript/TypeScript, strong problem-solving and collaboration skills.
Optimizely CMS, Next.js, React, GraphQL, REST, SSR, SSG, ISR, Jira, Azure DevOps Boards, Azure CI/CD pipelines, Git, CSS, Sass, SCSS, JavaScript, TypeScript, Optimizely Graph, Aprimo DAM, Cloudflare CDN, Google Analytics
1mo
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High Net Worth Client Development Analyst
Tempe or St. Louis
HybridFull Time
3+ YOEBachelor's degree and 3+ years relevant experience in financial services; strong analytical, project/program management, and stakeholder engagement skills; knowledge of HNW, banking, and financial planning offerings.
1d
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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
2mo
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Software Engineer
Chesterfield, Missouri, United States
HybridFull Time
4+ YOEDesign, build, and evolve software solutions; .NET/C#, SQL Server; React/Angular; Agile; AI tooling.
.NET, C#, React, Angular, SQL Server, Microsoft Azure, Entity Framework, Typescript, RabbitMQ, MassTransit, SonarQube, GitHub Copilot
2mo
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Lead Application & Product Architect, Tax
Coppell or Cary or Tampa or Clayton or Austin or Philadelphia or Riverwoods or Houston or Wichita
$108k-$188k/yr HybridFull Time
10+ YOE10+ years software engineering with 5+ years architecture for SaaS; strong .NET, Kafka, Temporal; leadership; modernization; cloud; security.
.NET, C#, ASP.NET Core, Kafka, Confluent Cloud, Temporal, VS Code, GitHub Copilot, Azure, AWS
2mo
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Software Engineer–Simulation (Experienced or Senior)
Hazelwood or Mesa
$127k-$217k/yr OnsiteFull Time
4+ YOEBachelor's degree; 4+ years in software programming with C, C++, C#, .NET; SDLC experience; ability to obtain US Secret security clearance.
C, C++, C#, .NET, Python, Rust, Visual Studio, Git, CI/CD, Cloud Computing
3w
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Entry-Level Connector Developer
Saint Louis, Missouri, United States
OnsitePart Time
Bachelor's degree or equivalent, proficiency in C#/.NET and object-oriented languages, SQL and REST APIs, experience with JSON/XML, strong problem-solving and communication skills.
C#, .NET, REST, SQL, JSON, XML, CSV, Postman, Git, GitHub, Azure DevOps, CI/CD, HTML, CSS, JavaScript, Java, Python
2mo
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Associate Software Engineer
Maryland Heights, Missouri, United States
$82k-$94k/yr HybridFull Time
1+ YOEBachelor's degree, ability to obtain U.S. Secret Clearance, 1+ year C#/.NET development experience; familiarity with Azure DevOps, HTML/CSS, and Agile/SAFe preferred.
C#, .NET, Azure DevOps, HTML, CSS, Scaled Agile Framework (SAFe)
6d
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Security Engineer- Application Security & Cloud
Chesterfield or Mt Sterling
$87k-$131k/yr OnsiteFull Time
2+ YOE2+ years experience in software/cloud/DevOps or security; bachelor's or equivalent; experience with .NET/Python/Azure; knowledge of secure development, API security, auth, and secrets management.
.NET, Python, Azure, Azure DevOps, GitHub Actions, Docker, Kubernetes, Terraform, Bicep, OWASP Top 10, NIST AI Risk Management Framework
5d
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Azure Architect - 69981031
St. Louis, Missouri, United States
$130k-$152k/yr HybridFull Time
Design and implement enterprise-scale Microsoft Azure solutions, integration patterns, CI/CD with Azure DevOps, cloud security and secrets management, .NET architecture, Infrastructure as Code, and documentation skills.
Azure Application Insights, Azure Key Vault, Azure DevOps, Logic Apps, Azure Functions, API Management, .NET, Terraform, ARM Templates, Bicep, RESTful APIs
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
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Financial Quantitative Analyst
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOEMaster's degree required,3+ years financial analysis in manufacturing/production,experience with ERP systems,SAP/Oracle/Infor,proficiency in Python/SQL/C#/Java/.NET/VBA,statistical modeling and forecasting.
SAP, Oracle, Infor, Python, SQL, C#, Java, .NET, VBA
1mo
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Sr. Application Developer - Legacy System Modernization
Bridgeton, Missouri, United States
OnsiteFull Time
5+ YOE5+ years application development experience, expert C#/.NET and COBOL legacy experience, Microsoft SQL Server, Azure DevOps/GitHub, CI/CD, AI-assisted development, and ability to modernize legacy systems.
C#, .NET, COBOL, SQL, Microsoft SQL Server, GitHub, GitHub Actions, Azure DevOps, HP NonStop, CI/CD
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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
1d
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SCADA Migration & Integration Lead
Chicago or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$87k-$266k/yr OnsiteFull Time
5+ YOERequires 5+ years of CygNet expertise, 2+ years integrating PI/AVEVA data and leading live cutovers, plus a bachelor's degree or equivalent experience. Ignition, Kafka, .NET, Python/Jython, SQL, and industrial security are valued.
CygNet, Ignition, REST, API, Kafka, .NET, AVEVA, Python, Jython, Wonderware, Galaxy, SQL, AutoSol, FlowCal, IEC 62443, NIST 800-82
1mo
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Software Engineering Manager
Saint Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ MgmtBachelor's or equivalent, 3+ years leading software engineering, expertise in .NET, JavaScript and frameworks (React/Angular), RESTful APIs, Microsoft Azure and Azure DevOps, Agile/DevOps/CI/CD practices, team leadership and AI experience.
.NET, JavaScript, React, Angular, RESTful API, Microsoft Azure, Microsoft Service Bus, Microsoft API Management, Microsoft Azure DevOps, Repos, Pipelines, CI/CD, ATDD, DevOps, Agile, AI
6d
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Azure Architect - 69981031
St. Louis, Missouri, United States
$130k-$152k/yr HybridFull Time
Design and implement enterprise-scale Microsoft Azure solutions; hands-on with Logic Apps, Functions, API Management, Key Vault, Application Insights, Azure DevOps, CI/CD, IaC (Terraform/ARM/Bicep), .NET, cloud security, and architecture governance.
Azure Application Insights, Azure Key Vault, Azure DevOps, Logic Apps, Azure Functions, API Management, Azure API Management, Terraform, ARM Templates, Bicep, .NET