161 net developer jobs at 99 companies in Londonderry, NH
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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
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
4w
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.NET Full Stack Engineer
Beverly, Massachusetts, United States
$103k-$173k/yr OnsiteFull Time
Strong C#/.NET, Angular, SQL, and Microsoft Azure experience; able to deliver in rapid weekly sprints; familiarity with AI-assisted coding tools (Cursor) preferred.
.NET, C#, Angular, ReactJS, TypeScript, Microsoft Azure, PostgreSQL, Microsoft SQL Server, SQL, Amazon Web Services, Cursor, Model Context Protocol (MCP)
1d
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Application Developer lll
Worcester, Massachusetts, United States
$125k-$135k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science, information technology, or related field; 5+ years of application development; .NET, C#, ASP.NET, MVC, .NET Core, front-end, CI/CD, DevOps, and Azure experience.
.NET, C#, ASP.NET, .NET Core, Microsoft Dynamics 365, Microsoft Power Platform, Power Apps, Power Automate, Power BI, APIs, web services, data connectors, GitHub Copilot, Amazon CodeWhisperer, Selenium, Playwright, TestCafe, SSIS, Edifecs Smart Trading, Alteryx, SAP BusinessObjects, HTML, CSS, Blazor, JavaScript, React, CI/CD, Azure DevOps, Azure Key Vault
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
3mo
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Dynamics Software Developer
Newton, Massachusetts, United States
$113k-$141k/yr HybridFull Time
3+ YOE3+ years in .NET web development and/or Microsoft Dynamics development (Plugins, Power Automate, JavaScript). Bachelor's degree in CS or related field; strong communication and collaboration skills.
.NET, Dynamics 365, PowerAutomate, JavaScript, ASP.Net MVC, SQL Server, Entity Framework
1w
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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
2w
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Staff Software Engineer - Algorithms
Wilmington, Massachusetts, United States
$149k-$205k/yr HybridFull Time
8+ YOEBachelor's or Master's in CS or related, 8+ years professional C#/.NET development, strong algorithms and distributed systems experience, debugging and SQL skills, Windows/Linux development.
C#, .NET, .Net Core, Rabbit MQ, Open API, Kubernetes, Git, SQL Server, PL/SQL, Windows, Linux
2w
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Backend Software Engineer (Agents Channel)
Waltham, Massachusetts, United States
$163k-$220k/yr HybridFull Time
6+ YOE6+ years backend development experience (Java/Kotlin or Python/.NET), BSc in Computer Science, strong OOP, cloud and SQL experience preferred, excellent communication.
Kotlin, Java, Python, .NET, AWS, SQL, CI / CD, LLM
1mo
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Senior Software Engineer - Equipment Controls
Wilmington, Massachusetts, United States
$140k-$200k/yr OnsiteFull Time
7+ YOE7+ years developing C++ and C#/.NET software for hardware-adjacent, real-time, or industrial automation systems; BS in related field (or equivalent); experience debugging machine behavior, OO design, HMI development, industrial I/O, and using AI developer tools.
C++, C#, .NET, EtherCAT, PMAC/Delta Tau, PLC, IntervalZero RTX, TwinCAT, Beckhoff, Delta Tau, Galil, ACS, PostgreSQL, Python, RTOS, HMI, SQL, Codex, Claude, Copilot, Oscilloscope, Logic Analyzer, Multimeter
4w
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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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Senior Software Engineer
Burlington, Massachusetts, United States
$140k-$165k/yr HybridFull Time
5+ YOEBachelor's in CS or related, 5+ years professional C#/.NET experience, Windows app (WinForms/WPF) and cloud (Azure/AWS) experience, multithreading and backend/API development, ability to work onsite in Burlington, MA 3+ days/week.
C#, .NET, WinForms, WPF, WinUI, .NET MAUI, Azure, AWS, CI/CD
1w
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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
3w
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Application Developer
Bedford, New Hampshire, United States
$45k-$55k/yr OnsiteFull Time
1+ YOEAssociate's or Bachelor's (or equivalent experience),1+ years development experience, knowledge of C#/.NET, TypeScript, Angular or React, SQL, REST APIs, Azure, Git, troubleshooting and support skills.
Angular, React, TypeScript, ESLint, Prettier, C#, .NET 8+, Python 3.11+, REST APIs, OpenAPI/Swagger, Microsoft Azure SQL, SQL Server, Entity Framework Core, Azure Cosmos DB (MongoDB API), Microsoft Azure, Docker, Microsoft Azure DevOps, CI/CD Pipelines, Azure Container Apps, Azure Container Registry, Azure Key Vault, Azure Blob Storage, Azure Application Insights, Microsoft Entra ID (Azure AD), SSO, OAuth 2.0, RBAC, GitHub Copilot, Claude Code, Git
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
1d
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Software Developer
Wilmington, Massachusetts, United States
OnsiteFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years of application development, 3+ years with .NET, C#, Azure DevOps, SQL Server, agile Scrum/Kanban, and strong communication skills.
Microsoft .NET, C#, Azure DevOps, UWP, Xamarin Forms, MAUI, SQL Server, SSIS/DTSX, SSRS, NUnit, xUnit, Scrum, Kanban, AI
1d
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Software Developer
Indiana or Massachusetts or Indianapolis or Wilmington
OnsiteFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years of application development, 3+ years with .NET, C#, Azure DevOps, SQL Server, agile Scrum/Kanban, and strong communication skills.
Microsoft .NET, C#, Azure DevOps, UWP, Xamarin Forms, MAUI, SQL Server, SSIS/DTSX, SSRS, NUnit, xUnit, Scrum, Kanban
22h
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Software Developer
Indianapolis or Wilmington
OnsiteFull Time
5+ YOEBachelor's degree in computer science or related discipline; 5+ years application development; .NET, C#, Azure DevOps, SQL Server, SSIS/DTSX, SSRS, testing, and Agile Scrum/Kanban experience.
Microsoft .NET, C#, Azure DevOps, Microsoft Universal Windows Platform (UWP), Xamarin Forms, Microsoft .NET MAUI, SQL Server, SSIS/DTSX, SSRS, NUnit, xUnit, Scrum, Kanban
4w
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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
1mo
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Senior Software Engineer (Teradyne, North Reading)
North Reading, Massachusetts, United States
$130k-$207k/yr HybridFull Time
5+ YOE5+ years software development experience, proficiency in C++, C#, .NET, experience with Visual Studio, Clearcase/Git, knowledge of data structures, algorithms, Windows/Linux, BS/MS in Computer or Electrical Engineering.
C++, C#, .NET, Visual Studio, Clearcase, Git, Windows, Linux
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