East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
East Saint Louis • 50 milesRemote · Hybrid · Onsite · Field · All Environments
17 c net developer jobs at 14 companies in East Saint Louis, IL
3w
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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
2mo
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Full Stack .NET Software Developer
Hazelwood, Missouri, United States
OnsiteFull Time
4+ YOEMinimum 4 years software development experience; 2+ years with C#/.NET, SQL, and a major cloud platform (AWS/Azure/GCP); experience with CI/CD, DevOps practices, and Agile methodologies.
C#, .NET, SQL, AWS, Azure, GCP, CI/CD
1mo
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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
3mo
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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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Senior Software Engineer (Modern .NET)
Denver or Kansas City or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$120k-$160k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, C#/.NET and ASP.NET Core, REST APIs, relational databases, SQL Server, EF Core, testing, cloud deployment, CI/CD, and Git workflows.
C#, .NET, ASP.NET Core, EF Core, SQL Server, Azure, React, TypeScript, REST APIs, CI/CD, Git, Angular, Vue, Figma, Terraform, Bicep, Culture Index, Microsoft Windows
1w
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Software Engineer (Desktop.NET)
Kansas City or Denver or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$100k-$140k/yr RemoteFull Time
5+ YOE5+ years of .NET software engineering, strong C# and VB.NET, WinForms, modern .NET, SQL Server/T-SQL, ASP.NET/IIS, testing, Git, CI/CD, NuGet, monitoring, and agile product development experience.
C#, VB.NET, WinForms, .NET Framework, .NET, SQL Server, T-SQL, ASP.NET, IIS, SAP Crystal Reports, JSON, XML, Git, GitHub, NuGet, LINQ, Entity Framework, GitHub Actions, Azure DevOps, PowerShell, REST APIs, Claude Code, Codex
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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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
2w
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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
1d
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Senior Software Developer - 100% Remote
North America or Herndon or Charlotte or Fort Collins or Greensboro or Pasco or Columbus or Stennis Space Center or Mechanicsburg or Scottsdale or Cincinnati or Corning or Fort Wayne or Albuquerque or Jacksonville or Fort Belvoir or Arlington or Fort Campbell or North Tonawanda or Columbia or Pittsburgh or Dallas or Boise or Cheyenne or Portland or Spokane or Keesler or Sioux City or Terre Haute or Jacksonville or Fort Knox or Kalamazoo or Salt Lake City or Nellis AFB or Orlando or Alpharetta or Baton Rouge or Peterson or Santa Fe or Richmond or JBSA Randolph or San Antonio or San Antonio or Kansas City or Saint Charles or Montgomery
$55-$65/hr RemoteFull Time
8+ YOEBachelor's or master's degree in computer science, engineering, or related field; 8+ years software development experience; 5+ years with ASP.NET, Node.js, C#, REST APIs, mobile platforms, Azure, and CI/CD; US citizenship and Public Trust eligibility.
ASP.NET, Node.js, C#, REST APIs, Native iOS, Android, React Native, Flutter, Azure, CI/CD, Azure Functions, Java, .NET, Python, Agile, Scrum, Git, Azure DevOps
3w
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Software Engineer
Hopkins or Irving or Earth City
$105k-$124k/yr HybridFull Time
3+ YOE3+ years experience in backend (.NET 8,C#,ASP.NET Core), frontend (React,Redux), SQL Server/EF Core, REST APIs; Bachelor’s degree or equivalent; agile and DevOps familiarity; strong problem solving and communication.
.NET 8, ASP.NET Core, C#, React, Redux, SQL Server, Entity Framework Core, REST APIs
1w
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Principal Software Engineer I
Maryland Heights, Missouri, United States
HybridFull Time
8+ YOEBachelor’s degree or equivalent experience, 8+ years software engineering experience, cloud architecture expertise, and advanced C#, .NET, microservices, Kubernetes, databases, CI/CD, and front-end skills.
C#, ASP.NET, .NET Core, .NET 8, GitLab, GitHub, Helm, Kubernetes, AWS, Google Cloud Platform (GCP), Cloud Run, GKE, Cloud Functions, Pub/Sub, Cloud SQL, Azure DevOps Repos, Bitbucket, ReactJS, TypeScript, JavaScript, HTML5, CSS3, REST APIs, OAuth2, OpenID Connect, SAML, JWT, SQL Server, PostgreSQL, MongoDB, DynamoDB, Kiro, Claude, GitHub Copilot, Amazon Q Developer, UiPath, Microsoft Power Automate, Automation Anywhere, Kafka, RabbitMQ, Splunk, Datadog, Grafana, Prometheus, OpenTelemetry, Elastic Stack
1w
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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
1mo
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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
1mo
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Experienced Programmer Analyst
Hazelwood, Missouri, United States
$108k-$146k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent, U.S. citizenship/U.S. Person required for Secret clearance, 3+ years experience with C#/.NET, Java, and developing/administering SQL Server databases; strong collaboration and communication skills.
C#, .NET, Java, SQL Server, Oracle PL/SQL
1mo
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Experienced Programmer Analyst
Hazelwood, Missouri, United States
$108k-$146k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent, ability to obtain U.S. Secret security clearance (U.S. person required), 3+ years developing with C#/.NET and Java, 3+ years with SQL Server, strong collaboration and communication skills.
C#, .NET, Java, SQL Server, Oracle PL/SQL, MRP, ERP, Workforce Management, Time & Attendance
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