50 dotnet engineer jobs at 24 companies in Chesterfield, MO
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Software Systems Engineer
Hazelwood, Missouri, United States
$135k-$165k/yr OnsiteFull Time
Bachelor's degree, active U.S. Secret clearance, ability to obtain TS/SCI, DoD 8140 foundational qualifications, MBSE experience (Cameo/CATIA Magic/DoDAF), .Net Framework, sysML/UML, DoD contract experience, software architecture and verification.
Cameo System Modeler, Catia Magic, DoDAF, .Net Framework, sysML, Unified Modeling Language, Subversion, Microsoft Azure DevOps, Git
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Software Systems Engineer
Hazelwood, Missouri, United States
$135k-$165k/yr OnsiteFull Time
Bachelor's degree required; active U.S. Secret clearance with ability to obtain TS/SCI; DoD 8140 foundational qualifications; experience with MBSE (Cameo, Catia Magic, DoDAF), .Net Framework, SysML/UML, DoD contract requirements, system architecture, software design and testing.
Cameo System Modeler, Catia Magic System of Systems, DoDAF, .Net Framework, sysML, UML, Subversion, Azure DevOps, Git
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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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Software Engineer
Chesterfield or Greenwood Village
$85k-$140k/yr HybridFull Time
2+ YOEBachelor's in CS or related, 2+ years software development experience, experience with C#/.NET, SQL Server, web fundamentals, Git, testing, and strong communication and problem-solving skills.
C#, .NET, SQL Server, HTML, CSS, JavaScript, Git, TypeScript, Angular, React, REST APIs, Azure DevOps, Azure, AWS, Application Insights, DataDog
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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Applications Developer
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOEBachelor's in CS or MIS; 3-5 years as a developer; .NET/C#, Angular, HTML5, CSS, SQL Server, WCF.
Microsoft .NET, C#, ASP.NET, Angular, HTML5, CSS, Microsoft SQL Server, WCF, Visual Studio, TFS
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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
4d
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Generative AI/ML Intelligent Document Processing Engineer
Irving or Atlanta or Hopkins or San Francisco or Charlotte or New York City or Chicago or Gresham or Englewood or Cincinnati or Brookfield or Earth City
$105k-$124k/yr HybridFull Time
3+ YOE3+ years IDP experience, hands-on Tungsten/Kofax, strong C#/.NET and SQL skills, Azure and AI/ML integration experience, production software engineering and stakeholder collaboration skills.
Tungsten, Kofax, C#, .NET, SQL, Microsoft Azure, AI/ML, Generative AI, IBM DataCap, Retrieval-Augmented Generation (RAG), APIs
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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
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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
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
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
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
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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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
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
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
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Software Developer II - Financials (Full Stack, Front End)
Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
5+ YOE5+ years software development experience; full‑stack skills with Angular/TypeScript or GWT, Java, RDBMS (Postgres/Oracle), cloud (AWS), Kubernetes, Spring Boot, Kafka, Cassandra; Git and automated testing; experience with JIRA/Confluence/Bitbucket/Bamboo and agentic AI coding tools.
Angular, TypeScript, GWT, Java, Postgres, Oracle, AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, Claude Code, Augment, JetBrains Junie, GitHub Copilot, Cursor, OpenAI Codex, Spark, Databricks, .NET, SQL, Microservices
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Software Developer II - Provisioning (Full Stack, Front End)
United States or Cedar Rapids or Lake Saint Louis or Mandan
HybridFull Time
5+ YOE5+ years software development experience; proficiency with Angular, TypeScript, Java, Postgres/Oracle, MongoDB, AWS, Kubernetes, Spring Boot, Kafka; experience with Git, JIRA, Confluence, CI tools and agentic AI coding tools; Bachelor’s preferred.
Angular, TypeScript, GWT, Java, Postgres, Oracle, MongoDB, AWS, Kubernetes, Spring Boot, Kafka, SSO, Cassandra, Git, JIRA, Confluence, Bitbucket, Bamboo, Claude Code, Augment, Jetbrains Junie, GitHub Copilot, Cursor, OpenAI Codex, Spark, Databricks, .NET, SQL
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Solutions Engineer - Strategic Accounts (Remote, Missouri) (St. Louis, Missouri, US)
St. Louis, Missouri, United States
$155k-$170k/yr OnsiteFull Time
3+ YOEBachelor's in CS or equivalent, 3+ years in observability, strong presentation and troubleshooting skills, ability to manage POCs, and willingness to travel up to 30%.
Dynatrace, HTML, CSS, JavaScript, Java, .NET, PHP, Go, Node.js, Windows, Linux, AWS, Azure, GCP, Kubernetes, OpenShift, Serverless, CI/CD, Ansible, Puppet, Terraform
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