2,697 senior net engineer jobs at 1,286 companies in United States

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Senior .NET Developer
Winston Salem or North America
RemoteFull Time
Better Impact
Better Impact: Volunteer management and engagement software for purpose-driven organizations.
8+ YOE8+ years C#/.NET experience; led .NET Framework-to-modern-.NET migrations of large production monoliths; deep NHibernate preferred; experience improving CI/CD and replacing legacy dependencies.
C#, .NET, .NET Framework, .NET Core, .NET 10, NHibernate, SSRS, CI/CD, ASP.NET MVC, VB.NET
2mo
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Senior .NET Engineer
Carlsbad or United States
HybridFull Time
NTENT
NTENT: Develops semantic search and natural language processing technology platforms.
3+ YOE3+ years experience; .NET Core and C#; multi-threaded programming; REST APIs; scalable architectures; distributed data stores (Aerospike, Elasticsearch, Kafka); testing.
.NET Core, C#, REST API, Aerospike, Elasticsearch, Kafka, Docker, Kubernetes, Git, React, JavaScript, TypeScript, HTML, CSS
1mo
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[Job - 29527] - Developer .NET Senior/Master
Brazil or Colombia or United Kingdom or United States
RemoteFull Time
CI&T
CI&TNYSE: CINT: CI&T provides global digital transformation and software engineering services.
Senior .NET Engineer with strong .NET Framework/Core, SQL Server, SOAP/REST, XML, design patterns, and English proficiency; backend services, API development, and CI/CD practices.
.NET Framework, .NET Core, ADO.NET, SQL Server, SOAP, REST, XML, CI/CD, Azure
2mo
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Senior .Net Developer #1775411
Alexandria, Virginia, United States
$125k-$135k/yr OnsiteFull Time
Network Designs, Inc.
Network Designs, Inc.: Provides IT, network, and cybersecurity solutions to government agencies.
10+ YOE10+ years .NET development, BS in CS, onsite in Alexandria VA, US citizenship and ability to obtain Public Trust; strong Angular, SQL, APIs, and DevSecOps practices.
Net, Net Core, Angular, SQL, APIs, DevSecOps
1mo
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Senior Engineer – .NET
Bethesda, Maryland, United States
$151k-$184k/yr HybridFull Time
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
4+ YOEBachelor's in CS or related, 4+ years .NET software development experience, 2 years architecture/design and DevOps/Azure experience, proficiency with Azure DevOps, cloud engineering, .NET Core/ASP.NET, Angular/Express; occasional on-call and background check.
Scrum, Kanban, SAFe, .NET, .NET Core, ASP.NET, Angular, Express, Azure DevOps, Azure Network, DevOps
1w
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Senior .NET developer
Boston, Massachusetts, United States
$115k-$140k/yr OnsiteFull Time
Boston Globe Media
Boston Globe Media: Publishes and distributes independent news and journalism in New England.
5+ YOE5+ years building .NET/C# applications, SQL database experience, REST API development, web frontend skills, version control (Subversion/Git), agile experience, strong communication and mentoring ability.
.NET, C#, MySQL, Postgres, SQL Server, HTML, CSS, JavaScript, Subversion, Git, React, Node.js, Piano ID
1mo
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Senior .NET Developer
United States or Washington
RemoteFull Time
Clearwaters.IT
Clearwaters.IT: Provides information technology services and solutions for federal agencies.
8+ YOEU.S. citizen or permanent resident able to obtain Public Trust clearance; 8+ years software development experience (or degree + experience). Strong .NET and Python skills, AWS/Azure, CI/CD, databases, and excellent English communication.
Step Functions, CloudWatch, RDS, Lambda, S3, SQS, SNS, Elastic Container Registry, .NET, Python, Network Load Balancer, Application Load Balancer, Web Application Firewall, DynamoDB, Kinesis Data Stream, Firehose, Java, JavaScript, C#, SQL, RBS, MongoDB, Docker, Kubernetes, GitHub Actions, GitLab CI/CD, GitHub Copilot, Git, Subversion, Jira, Microsoft Azure, Microsoft Office Suite
1mo
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.NET Developer Senior
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
7+ YOEUS citizen with active Secret clearance; 7+ years relevant experience (Masters+7 or Bachelors+9). Hands-on .NET development, Oracle/SQL integration, CI/CD (GitLab, Jenkins, Nexus), Ansible, Okta/CyberArk, IIS, and Jira experience; agile team experience.
.NET, Oracle, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, Ansible, GitLab, Jenkins, Nexus, Okta, CyberArk, Jira Service Management, IIS
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Senior .NET Developer
Washington, District of Columbia, United States
HybridFull Time
Andworx
Andworx: Delivers digital transformation and IT solutions for federal agencies.
8+ YOE8+ years building enterprise .NET applications, experience with ASP.NET/.NET Core/.NET 6, C#, MVC/MVVM, Entity Framework, Oracle, REST/SOAP/JSON/XML, Agile; U.S. citizenship and ability to obtain a Position of Trust (public trust) clearance.
ASP.NET, .NET CORE, .NET 6, MVC, MVVM, Entity Framework, Oracle, Azure DevOps, C#, REST, SOAP, JSON, XML
1mo
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.NET Developer Senior
Arlington or Rosslyn
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
7+ YOE7+ years software experience (Masters+7 or Bachelors+9, may accept experience in lieu), hands-on .NET development, SQL/Oracle DB integration, CI/CD (GitLab, Jenkins, Nexus), DevOps, deployment automation (Ansible), Okta/CyberArk integration, and Jira service management. US citizenship and active Secret clearance required.
.NET, SQL, Oracle, GitLab, Jenkins, Nexus, Okta, CyberArk, Ansible, IIS, Jira Service Management, SQL Developer, SQL Plus, Toad, SQL Server Management Studio
1d
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Senior .NET Developer
Rockville or United States
HybridContract
eTelligent Group
eTelligent Group: Providing IT modernization and cybersecurity solutions for federal government agencies.
US citizen required. Proficient in .NET Core/.NET 8, C#, Azure services, API security, Microsoft Entra ID/B2C, Azure OpenAI/Azure AI Foundry, GitHub Copilot, CI/CD, containers, SQL/Cosmos DB, and modern UI frameworks.
.NET Core, .NET 8, C#, Azure, App Services, Functions, API Management, Service Bus, Azure SQL, Azure OpenAI, Azure AI Foundry, GitHub Copilot, GitHub, Azure DevOps, CI/CD, Cosmos DB, Blazor, React, Angular, Microsoft Entra ID/B2C
18h
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Senior .NET Developer (Remote Opportunity)
Tampa or United States
RemoteFull Time
VetsEZ
VetsEZ: Digital transformation and healthcare IT services for government agencies.
7+ YOE7+ years building enterprise .NET applications using C#, ASP.NET Web API, .NET Framework/.NET Core, secure auth (OAuth/JWT), CI/CD, Azure; bachelor's or equivalent; strong troubleshooting and communication skills.
.NET, C#, ASP.NET Web API, .NET Framework, .NET Core, OAuth, JWT, Azure, Azure App Services, Azure API Management, CI/CD, GitHub Copilot, ChatGPT
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Senior .Net Engineer
Karachi or United States or Pakistan or India or United Arab Emirates or Australia or Canada
OnsiteFull Time
VIDIZMO
VIDIZMO: Software for managing and analyzing enterprise video and digital evidence.
6+ YOEBS in Computer Science, 6+ years relevant experience; strong backend web/API development with ASP.NET/.NET; designing scalable systems; experience validating AI outputs and using AI tools; strong English communication.
Claude, ChatGPT, Copilot, ASP.NET, Java Spring, Spring Boot, NodeJS, Python, .NET, ASP.NET Core, SignalR, gRPC, WebSockets, Azure, AWS, Google PaaS
3d
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Senior .NET Developer
Crum Lynne or Chicago or Reston or Boca Raton
$90k-$150k/yr RemoteFull Time
TransUnion
TransUnionNYSE: TRU: Provides global credit reporting and risk management information solutions.
5+ YOE5+ years building enterprise .NET applications, strong architecture and database skills, Agile experience, cloud and CI/CD familiarity, Bachelor's degree or equivalent experience.
C#, ASP.NET MVC, ASP.NET Web API, .NET Framework, .NET Core, .NET 5, .NET 6, Microsoft Visual Studio, SQL Server, PostgreSQL, AWS, Autofac, Ninject, Unity, CI/CD
3d
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Senior .Net Developer
Maryland, United States
OnsiteFull Time
Infinite Computer Solutions
Infinite Computer Solutions: Provides digital engineering and IT transformation services for enterprises.
8+ YOE8+ years software development with .NET, C#, Web API, RESTful APIs, SQL Server, Azure, Git/Azure DevOps, healthcare interoperability (HL7/FHIR), and secure HIPAA-compliant development.
C#, ASP.NET MVC, ASP.NET Core, .NET Framework, .NET Core, .NET 6, .NET 7, .NET 8, Web API, Entity Framework, Entity Framework Core, LINQ, SQL Server, HL7, FHIR, X12, CCD/C-CDA, EHR/EMR, Epic, Cerner, Meditech, Allscripts, HIPAA, Microsoft Azure, Azure Functions, Azure Service Bus, Azure API Management, Azure DevOps, Git, CI/CD Pipelines, Docker, Kubernetes, React, Angular, Blazor, JavaScript, TypeScript, HTML5, CSS3, Bootstrap
2w
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Senior .NET Developer
New York City, New York, United States
$107k-$135k/yr HybridFull Time
City of New York
City of New York: Provides municipal services and administration for New York City.
2+ YOEBaccalaureate in CS or related with 2+ years software experience (including 1 year project leader) or HS plus 6+ years software experience; experience with .NET, C#, Dynamics CRM, SQL; strong communication skills.
Microsoft .Net, C#, ASP.Net, MVC, XML, REST, Web-API, JavaScript, AngularJS, Angular, Angular Material, HTML5, Bootstrap, CSS, Microsoft SQL Server, T-SQL, SQL Server 2008, SQL Server 2012, SQL Server 2014, Microsoft Dynamics CRM, Microsoft Dynamics 365, SSRS, SSIS, iOS, Cognos, Power BI, API
2mo
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.NET Developer
Arlington, Virginia, United States
$104k-$218k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOE5–7 years software development experience, active Secret clearance, Bachelor's in CS/related (or equivalent), proficiency in C#, .NET/ASP.NET/.NET Core, React, Razor, Microsoft SQL Server, REST, and Git; strong troubleshooting and communication skills.
C#, .NET, ASP.NET, .NET Core, React, Razor Pages, Razor Views, Microsoft SQL Server, RESTful API, Git, Microsoft Azure DevOps, Entity Framework, TypeScript
3mo
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Senior .NET Developer
Vienna, Virginia, United States
HybridFull Time
Prime Source Technologies
Prime Source Technologies: Provides IT solutions, software development, and systems integration services.
10+ YOE10+ years of software development experience with 3+ years in .NET Core; expert in C#, ASP.NET Core, EF Core, and LINQ; cloud experience (Azure); microservices and containerization; REST/GraphQL APIs; CI/CD; unit tests; secure coding.
C#, ASP.NET Core, NET Core, Entity Framework Core, LINQ, Docker, Kubernetes, Azure, Azure DevOps, GitHub Actions, SQL Server, T-SQL, Azure Service Bus, RabbitMQ, Kafka, Blazor, Razor Pages, GraphQL, REST, OIDC, Identity Server, Azure AD
2w
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Senior .Net Developer
San Antonio, Texas, United States
$90k-$110k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
8+ YOE8+ years experience; strong C#, ASP.NET Core, .NET microservices, PostgreSQL/pgvector, Docker, Semantic Kernel, AI/RAG experience; SQL tuning, CI/CD, AWS exposure, Agile; Visual Studio, Azure DevOps, Git familiarity.
C#, ASP.NET Core, .NET Microservices, PostgreSQL, pgvector, Docker, Semantic Kernel, SQL, HTML, JavaScript, XML, JSON, AWS Lambda, Amazon API Gateway, AWS Fargate, SNS, SQS, CloudFront, CloudFormation, Visual Studio, Azure Devops, JIRA, GIT, Angular, Vue.js, Knockout, React, polymer, Microsoft Office
2mo
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Senior Software Engineer (Azure/.NET)
United States
$160k-$200k/yr RemoteFull Time
Truffle Security
Truffle Security: Software that detects and secures leaked digital credentials.
Senior backend engineer with strong Go/.NET, Microsoft Graph, Azure, OAuth; experience with enterprise integrations and large-scale systems.
Go, NET, Azure, Microsoft Graph API, Kubernetes, Docker, PostgreSQL, OAuth 2.0, OpenID Connect, Azure DevOps, Entra ID, C#