28 c net developer jobs at 16 companies in Chesterfield, MO
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Senior .Net Engineer - Real Time Product Engineering
St. Louis, Missouri, United States
HybridFull Time
London Stock Exchange GroupLondon Stock Exchange: LSEG: Provides financial market infrastructure and global data analytics services.
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.
$112k-$141k/yrHybridMultiple Commitments Available
Safety National: Provides specialty insurance and reinsurance for workers' compensation.
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.
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
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.
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
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.
Sr. Application Developer - Legacy System Modernization
Bridgeton, Missouri, United States
OnsiteFull Time
Cass Information SystemsNASDAQ: CASS: Provides invoice processing and payment services for large corporations.
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
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEBachelor's degree, ability to obtain U.S. Secret Clearance, 1+ year C# .NET development experience, familiarity with web technologies and Azure DevOps, strong communication and critical thinking skills.
Vienna or Tysons Corner or Washington or Fairview Heights or Indianapolis
HybridContract
Cloud SynApps: Provides Salesforce consulting and systems integration for public sector clients.
5+ YOE5+ years Microsoft Power Platform / Dynamics 365 development experience; US citizen or green card holder; ability to obtain Secret clearance; Bachelor's degree (US equivalent) required; hands-on Power Apps, Power Automate, SharePoint, Dataverse, C#, SQL, .Net experience.
Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Power BI, Microsoft SharePoint, SharePoint Designer, Microsoft Teams, Microsoft Dataverse (CDS), C#, SQL, .Net
Nomad eCommerce: Provides integrated B2B e-commerce platforms for manufacturers and distributors.
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.
McCarthy Holdings: National construction specializing in commercial and industrial projects.
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).
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
5+ YOEActive U.S. Top Secret/SCI clearance; 5+ years software development in VB.NET/C#.NET; SQL experience; unit testing; CompTIA Security+ or Computer Science degree.
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
Navitus Health Solutions: Transparent pharmacy benefit management and specialty pharmacy provider.
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
Husch Blackwell: A nationwide firm providing industry-focused legal and litigation services.
2+ YOEMaster's in CS/Information Systems required; 2+ years software development experience. Must have .NET/.NET Core, C#, SQL Server, Entity Framework Code First, REST/JSON, Azure Function Apps, Microsoft Azure Web/Api/Logic Apps, ETL, unit testing, and Power BI experience.
.NET, .NET Core, C#, SQL Server, Entity Framework Code First, REST API, JSON, ETL, Azure Function Apps, Microsoft Azure Web Apps, Microsoft Azure Api Apps, Microsoft Azure Logic Apps, Microsoft Power BI
Automotive Product Consultants: Provides sales, finance, and insurance services to automotive dealerships.
Proven experience integrating LLMs into production, prompt engineering, RAG, Python or .NET (C#), vector DBs, cloud AI services, and leading cross-functional AI programs.
St. Louis or Whitestown or North Burlington or Tempe or Bloomfield
$138k-$230k/yrHybridFull Time
The Cigna GroupNYSE: CI: Provides health insurance and pharmacy benefit management services.
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