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56 net developer jobs at 29 companies in Saint Peters, MO

1mo
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Full Stack .NET Software Developer
Hazelwood, Missouri, United States
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
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
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1w
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Senior .Net Engineer - Real Time Product Engineering
St. Louis, Missouri, United States
HybridFull Time
London Stock Exchange Group
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.
C#, C++, Git, DX1, SQL, Python, Perl, AWS, Azure, Google Cloud, Docker, Kubernetes, Copilot
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2mo
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Lead Software Engineer (.Net)
Saint Louis, Missouri, United States
$112k-$141k/yr HybridMultiple Commitments Available
Safety National
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.
.NET Core, C#, Microsoft Azure, Cosmos DB, MongoDB, Docker, Kubernetes, React, Angular, Vue.js
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1d
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Full Stack Software Developer (.NET/React)
St. Louis, Missouri, United States
HybridFull Time
Copeland
Copeland: Provides compression and control solutions for climate technologies.
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
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1mo
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Geospatial Developer
Saint Louis or Belleville
OnsiteFull Time
NV5
NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.
3+ YOEBachelor's in CS/Geography/GIS, 3+ years web application development, 1+ year ESRI geospatial app development, proficiency with HTML/HTML5/CSS/Python/JavaScript/.NET/JSON, ArcGIS Server, PostgreSQL/Oracle; U.S. citizenship and ability to obtain DoD clearance.
ESRI, Experience Builder, ESRI ArcGIS, ArcGIS Server, PostgreSQL, Oracle, HTML, HTML5, CSS, Python, JavaScript, .NET, JSON, AWS, Docker
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1mo
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Geospatial Developer
Belleville or Saint Louis
OnsiteFull Time
NV5
NV5: Provides engineering, testing, inspection, and infrastructure consulting services.
3+ YOEBachelor's in CS/Geography/GIS, 3+ years web application development including 1+ year developing geospatial/ESRI apps; proficiency with HTML/HTML5/CSS, Python, JavaScript, .NET, JSON; experience with ArcGIS Server, PostgreSQL/Oracle; U.S. citizen eligible for DoD clearance.
Esri Experience Builder, ArcGIS Server, PostgreSQL, Oracle, HTML, HTML5, CSS, Python, JavaScript, .NET, JSON, AWS, Docker, REST, OGC, DevSecOps
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Software Engineer
Earth City, Missouri, United States
HybridFull Time
MiTek
MiTekNYSE: BRK-B: Provides software and automation for the building industry.
2+ YOEBachelor's in CS or related, 2+ years professional .NET/C# experience, desktop/web app development, Angular and SQL Server proficiency, Agile experience, strong communication skills.
.NET, C#, Angular, Microsoft SQL Server, GitHub Copilot, Git, SonarQube, OPC UA, Mass Transit, RabbitMQ, Microsoft Azure
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Sr. Application Developer - Legacy System Modernization
Bridgeton, Missouri, United States
OnsiteFull Time
Cass Information Systems
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
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Associate Software Engineer
Maryland Heights, Missouri, United States
$82k-$94k/yr HybridFull Time
Boeing
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.
C#, .NET, Azure DevOps, HTML, CSS, Scaled Agile Framework (SAFe)
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2mo
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Applications Developer
St. Louis, Missouri, United States
OnsiteFull Time
XTRA Lease
XTRA Lease: Rents and leases semi-trailers to the transportation industry.
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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1mo
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Associate Software Engineer
Maryland Heights, Missouri, United States
$82k-$94k/yr HybridFull Time
Boeing
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.
C#, .NET, HTML, CSS, Azure DevOps, SAFe Agile
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3w
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Power Platform Developer
Vienna or Tysons Corner or Washington or Fairview Heights or Indianapolis
HybridContract
Cloud SynApps
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
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4w
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Software Engineer I, AI
Grand Rapids or Los Angeles or Washington or Troy or New York or Houston or Chicago or Owings Mills or Columbia or Richmond or Memphis or Raleigh or Boston or San Jose or San Francisco or Austin or Kalamazoo or Spokane or Denver or Fort Worth or Atlanta or Orlando or Dallas or Wilmington or Phoenix or San Antonio or Milwaukee or Madison or McLean or Huntsville or Woodbridge or Stamford or Miami or Philadelphia or Charlotte or Greenville or West Palm Beach or Costa Mesa or St. Louis or Fort Lauderdale or Seattle or Rosemont or Pittsburgh or Tulsa or Cincinnati or Cleveland or Columbus or Akron or Cherry Hill or Minneapolis or Anchorage or Salt Lake City or Norfolk or Jacksonville or Boulder or Nashville or Oak Brook or Las Vegas or Indianapolis or San Diego or Baton Rouge or Jackson or Tallahassee or Tampa or Omaha
$85k-$100k/yr OnsiteFull Time
BDO USA
BDO USA: Provides accounting, tax, and business advisory services to organizations.
1+ YOE1+ years software engineering experience; experience with AI/ML and integrating large language models preferred. Familiarity with databases/SQL, debugging and monitoring, Microsoft development stack (.Net, C#, Azure) preferred; HS required, bachelor\u0002s preferred.
Microsoft Visual Studio, VS Code, Microsoft Azure DevOps, GitHub, Microsoft SQL Server, Azure SQL, Microsoft Entity Framework, .Net, C#, Azure, SQL
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1w
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Entry-Level Connector Developer
Saint Louis, Missouri, United States
OnsitePart Time
Nomad eCommerce
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.
C#, .NET, REST, SQL, JSON, XML, CSV, Postman, Git, GitHub, Azure DevOps, CI/CD, HTML, CSS, JavaScript, Java, Python
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2w
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
McCarthy Holdings
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).
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
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2mo
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Software Engineer
Chicago or St. Louis or Philadelphia
$75k-$95k/yr HybridFull Time
ProSight Financial Association
ProSight Financial Association: Professional association for financial services research and training.
3+ YOE3+ years software engineering experience with .NET/C#, SQL, Microsoft Azure (Functions, App Services, DevOps), front-end skills (HTML, CSS, JavaScript, React.JS/Angular JS), containerization (Docker, Kubernetes), and CI/CD practices.
.NET, C#, SQL, Microsoft Azure, Azure Functions, Azure App Services, Azure DevOps, HTML, CSS, JavaScript, React.JS, Angular JS, Docker, Kubernetes, Microsoft SQL Server, MySQL, PostgreSQL, Terraform, ARM templates, PHP, CI/CD, RESTful APIs
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3mo
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Software Engineer III
St. Louis, Missouri, United States
OnsiteFull Time
Agile Defense
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.
VB.NET, C#.NET, SQL, xUnit, nUnit, MSTest, Windows, Azure DevOps, Jira, CI/CD, RESTful APIs, C++
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1mo
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Senior Applications Engineer
Pacific, Missouri, United States
$110k/yr OnsiteFull Time
ADB Companies
ADB Companies: Provides nationwide turnkey telecommunications and utility infrastructure solutions.
7+ YOE7+ years of system analysis/configuration/programming experience; expertise in JavaScript (NetSuite SuiteScript), .NET, Azure DevOps; ERP/CRM/HRIS platform experience; leadership, mentoring, and Microsoft Office proficiency; high school required, bachelor's preferred.
JavaScript, NetSuite SuiteScript, .NET, ASP.NET Core, Azure DevOps, NetSuite, UKG, HubSpot, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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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
Navitus Health Solutions
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
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2mo
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Checkmate API Developer
Clayton or Kansas City or United States
RemoteFull Time
Husch Blackwell
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
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