79 c net developer jobs at 50 companies in Thompson, CT
3w
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.NET developer
Boston, Massachusetts, United States
$115k-$140k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience and 5+ years developing .NET applications. Requires C#, databases, REST APIs, web technologies, version control, Agile, collaboration, and mentoring skills.
.NET, C#, MySQL, PostgreSQL, SQL Server, HTML, CSS, JavaScript, Subversion, Git, React, Node.js, Piano ID
2w
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.Net Developer
Fort Mill or Hartford
OnsiteFull Time
Experience with .NET (VB.NET, ASP.NET, C#), HTML, web services, scripting, cloud (AWS), and MySQL/MongoDB. Bachelor\u0002s degree or equivalent experience; authorized to work in the US without employer sponsorship.
.NET, VB.NET, ASP.NET, C#, HTML, Web Services, AWS, MySQL, MongoDB
3w
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Senior .NET developer
Boston, Massachusetts, United States
$115k-$140k/yr OnsiteFull Time
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 Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
.NET Core/C# and React experience, AWS and SQL Server knowledge, proven technical leadership, stakeholder communication, and experience working with distributed/offshore teams.
.NET, .NET Core, C#, React, React.js, JavaScript, AWS, SQL Server
2w
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Proven experience designing and delivering enterprise applications with .NET Core/C#, React, AWS, and SQL Server; technical leadership and stakeholder-facing skills required.
.NET Core, C#, React.js, JavaScript, AWS, SQL Server
2w
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Senior .NET Full Stack Developer Lead (React/AWS)
Hartford, Connecticut, United States
$64k-$115k/yr OnsiteFull Time
Proven experience with .NET Core/C#, React.js, JavaScript, AWS, and SQL Server; experience leading technical teams, strong communication and software engineering best practices.
.NET Core, C#, React.js, JavaScript, AWS, SQL Server
3w
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Senior Software Engineer (Technical Lead) BSI - (Claude, GitHub, Python, NET/C#, Angular, AWS)
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
5+ YOE5+ years software engineering experience, experience shipping LLM/AI agent production systems, proficiency with GitHub, Python, .NET/C#, Angular, AWS, databases, and strong communication and leadership skills.
GitHub, Python, NET/C#, Angular, AWS, OCF, Mongo, DocumentDB, SQL Server, Claude Agent SDK, LangGraph, AgentCore, Anthropic, OpenAI
2mo
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Principal Software Developer – BloodTrack Tx (C++ expert)
Boston, Massachusetts, United States
$104k-$176k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience with 5+ years in a principal/architect role; expert C++ and multi-platform experience (embedded, mobile, cloud); strong architecture, security/compliance, and mentorship skills.
C++, C, iOS, Android, .NET, TypeScript, JavaScript, C#, Java, Python, Reactjs, Nextjs, RESTful APIs, Microservices, Domain-driven design, CI/CD, Event-driven architecture, Service-oriented architecture, SQL, NOSQL, OWASP, OIDC, SAML2, SOC2, ISO27001, HIPAA, AWS ECS, AWS EKS, AWS RDS, AWS Lambda, AWS S3, AWS SQS, AWS CloudFormation, Terraform
1mo
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Senior EDI Developer
Somerville, Massachusetts, United States
$94k-$137k/yr HybridFull Time
Mass General Brigham: Provides integrated medical care, research, and clinical training services.
5+ YOEDesign, develop, implement, and maintain HIPAA EDI solutions (ANSI X12, HL7, XML) with strong C#/.NET and SQL Server experience; 5+ years application development experience preferred.
C#, .NET, SQL Server Management Studio (SSMS), SSIS, T-SQL, Microsoft SQL Server, Visual Studio, BizTalk Server, QNXT, ASP.NET, XML, XSLT, HL7, ANSI X12
4d
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Staff Software Engineer
Needham, Massachusetts, United States
$142k-$188k/yr HybridFull Time
10+ YOEBachelor's degree in computer science, computer engineering, related field, or equivalent experience; 10+ years of software development; mentoring or leadership; C#/.NET, databases, networking, and device development experience.
C#, .NET, SQL Server, Kafka, Ember.js, iOS, Android, HVAC, Health Savings Account (HSA), Nasdaq
3w
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Senior Full-Stack Software Engineer
Acton or Cranberry Township
OnsiteFull Time
5+ YOEBachelor's in CS or related,5+ years building software with C#, .NET, C++; experience with network protocols, hardware interfaces, APIs, and desktop UI development.
C#, .NET, C++, TCP/IP, UDP
3w
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Software Engineer - Harvard, MA
Boston, Massachusetts, United States
$85k-$105k/yr HybridFull Time
0+ YOEEarly-career engineer (<5 years) with B.S. in CS/CE, experience in C#, C/C++, Python, relational databases, containerization (Docker/Kubernetes), web technologies, and common development tools.
SQL Server, Oracle, PostgreSQL, C#, Windows, IIS, .NET, C, C++, Linux, Unix, Angular, React, Python, Docker, Kubernetes, Git, GitHub, Bitbucket, Jenkins, Visual Studio, VS Code, HTML, CSS, JSON, XML, TCP/IP, HTTP, REST, SOAP, SQL, Jira, Confluence
3mo
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Senior Software Engineer
Mansfield, Massachusetts, United States
$132k-$165k/yr HybridFull Time
3+ YOE3-5 years of software design and development with Microsoft stack; strong C#, .NET, ASP.NET; full-stack web experience (Angular, TypeScript); knowledge of SDLC; ability to mentor and collaborate.
C#, .NET, ASP.NET, TypeScript, Angular, Python
3w
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Senior Software Engineer (Full Stack)
Pittsburgh or Boston or Montreal or Toronto or United States
HybridFull Time
Experienced full-stack developer with C#/.NET backend, React frontend, SQL Server, Python familiarity, modern architecture, CI/CD familiarity, debugging skills, and Agile experience.
React, .NET, Python, SQL Server, C#, SQL
2mo
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Sr. Software Engineer (Hybrid)
Hartford or Charlotte or Short Hills
$123k-$157k/yr HybridFull Time
5+ YOE5+ years of experience designing and developing complex applications; Bachelor's preferred in CS/Engineering; strong .NET/C#, API, SQL; cloud, Azure, DevOps, and leadership skills.
C#, .NET, API development, SQL, Azure, Container Apps, API Management, App Gateway, Key Vault, App Services, Logic Apps, SQL MI, Infrastructure-as-Code, Bicep, ARM, Terraform, Angular, SAFe
5d
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Staff Software Engineer
Lexington or Lowell or Freising or Switzerland or Singapore
$129k-$173k/yr HybridFull Time
8+ YOEBachelor's degree in computer science, software or computer engineering; 8+ years' software development experience; full-stack, C#/.NET, Angular, TypeScript, SQL, cloud, CI/CD, Agile, and technical leadership experience.
C#, .NET Core, .NET, Angular, TypeScript, SQL Server, Entity Framework, OAuth, OpenID Connect, JWT, Identity, xUnit, NUnit, Docker, Git, Azure, Microsoft, Linux
1mo
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Global IT Software Engineer Manager
Boston or Atlanta
$121k-$157k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related (or equivalent experience), 5+ years software development, proficiency with C#, .NET, Node.js, JavaScript/TypeScript, React, SQL, HTML5, CSS; experience with cloud (Azure/AWS) and AI/LLM integration.
React, .NET, C#, Node.js, JavaScript, TypeScript, SQL, HTML5, CSS, Python, Claude, OpenAI, Azure OpenAI, LangChain, LangGraph, Azure, AWS, AWS Bedrock, Claude Code, GitHub Copilot, Codex
2mo
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Software Development Engineer 3
Marlborough, Massachusetts, United States
$107k-$167k/yr OnsiteFull Time
10+ YOESenior software engineer with extensive experience (preferred 10+ years) in regulated, safety-critical environments; strong C++, C#, .NET, Python skills; experience with real-time OS, CI/CD, DevOps, Git tooling, automated testing, and Agile.
C++, C#, .NET, Python, QNX, RT Linux, Jenkins, SonarQube, Git, GitHub, Bitbucket, Jira, Azure DevOps, Confluence, Bash, PowerShell, Shell, Linux, GitHub Copilot, Cursor, Claude
6d
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Systems Integration Developer
Redwood City or Austin or Boston or Ann Arbor or Los Angeles or New York City or San Diego
$150k-$180k/yr HybridFull Time
Bachelor's degree in computer science, information systems, or related technical field; proficiency with Boomi, C#, .NET, PowerShell, and SQL Server; experience with enterprise integrations, automation, AI agents, and Azure services.
Dell Boomi, Microsoft Copilot Studio, PowerShell, SQL, Microsoft SharePoint, Microsoft 365, SSIS, SSRS, SQL Server, C#, .NET, Power Automate, Dataverse, Microsoft Teams, Dynamics 365, Azure Logic Apps, Azure AD, Azure Data Factory, Azure App Services, Azure DevOps, Application Insights, Intapp, Aderant Expert, iManage Work, Litera Compare, Clean, Peppermint (CRM product)
2mo
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Software Engineer
Boston, Massachusetts, United States
$80k-$115k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent experience; 2+ years with Duck Creek technologies; experience with integrations, APIs, C#/.NET; Agile tools (Jira, Azure DevOps, Confluence); strong communication and systems-thinking.
Duck Creek, C#, .NET, APIs, Jira, Azure DevOps, Confluence