47 dotnet engineer jobs at 20 companies in Saint Clair, MO
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
Software Engineer
Hazelwood, Missouri, United States
OnsiteFull Time
2+ YOEBachelor's degree in a technical field and 2+ years of software engineering experience; requires C#, debugging, object-oriented design, mathematics, communication, and possible security clearance eligibility.
C#, .NET, Microsoft Visual Studio, MATLAB, PowerShell
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
6d
Save
Mark Applied
Hide
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
1w
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
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
2d
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
Explore Jobs