127 net developer engineer jobs at 78 companies in Merrimack, 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
2w
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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
2w
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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)
10h
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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
4w
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Software Support Engineer (.Net/SQL)
Needham, Massachusetts, United States
$90k-$115k/yr HybridFull Time
5+ YOE5+ years in advanced technical support or escalation engineering; ability to read and debug code; experience with log analysis, databases and SQL; strong communication and customer-first mindset.
C#, Java, Python, NodeJS, .NET, Browser dev tools, ElasticSearch, Splunk, Wireshark, MSSQL, DB2, Oracle, MySQL, SQL, SDLC, agile
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
2w
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Staff Software Engineer – Navigation
Boston or Warsaw
$109k-$175k/yr HybridFull Time
7+ YOE2+ MgmtBachelor's in CS/Engineering,7+ years software development,2+ years leading a scrum team,C#/.NET,cloud (Azure/AWS),CI/CD,secure coding,regulated-medtech experience preferred.
C#, .NET, REST, X.509, mutual TLS, Key Vault, Azure, Functions, App Service, containers, CI/CD, WPF, Polarion, JAMA, AWS, Windows
1mo
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Senior Software Engineer
Woburn, Massachusetts, United States
$115k-$130k/yr HybridFull Time
5+ YOE5+ years full‑stack software engineering experience; proficiency with .NET/C#, Angular, SQL Server/PostgreSQL, AWS; strong communication and agile/DevOps experience; BS in CS/engineering required.
.NET, .NET (dotnet), .NET and C#, C#, AWS, Angular, SQL Server, PostgreSQL, JavaScript, TypeScript, GitHub Copilot, Docker, Kubernetes, CI/CD
3w
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Senior Engineer II-Test
Lowell, Massachusetts, United States
$70k-$205k/yr OnsiteFull Time
7.5+ YOEBachelor's in engineering or CS,7.5–9 years software/test engineering experience with LabWindows/CVI,C,Microsoft Visual Studio,.NET or Visual Basic,mentoring experience,configuration management,hardware troubleshooting,schematic interpretation.
LabWindows/CVI, C, Microsoft Visual Studio, .NET, Visual Basic, Microsoft Office, AutoCAD, Altium, Linux, GPIB, USB, Ethernet, PuTTY, VNC, Remote Desktop, Git, network analyzer, oscilloscope, signal generator
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 - 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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Staff Software Engineer – Navigation
Boston or Warsaw
$109k-$175k/yr HybridFull Time
7+ YOEBachelor's in CS/SE/EE,7+ years software development,2+ years leading scrum as technical lead,proficiency in C#/.NET,full-stack development,cloud integrations,regulated medical device experience preferred.
C#, .NET, REST APIs, Azure, Key Vault, Functions, App Service, containers, Windows, WPF, Polarion, JAMA, AWS, CI/CD
1mo
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Senior Applications Developer
Southborough, Massachusetts, United States
$100k-$140k/yr OnsiteFull Time
4+ YOEBS in CS/Engineering required; 4+ years full‑stack C#/.Net experience; knowledge of Oracle, T‑SQL/PL‑SQL, MongoDB, HTML/CSS/JavaScript, Angular, Node.js, Telerik; Agile experience; SDLC/OOP proficiency.
.Net, C#, MVC, .Net Core, Web Services, Windows services, Oracle, Oracle 19c, T-SQL, PL/SQL, MongoDB, HTML, CSS, JavaScript, Angular, Node.js, Telerik, Kendo, SQL Server, MySQL
4w
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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
1mo
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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
1mo
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Senior Electrical Engineer
Ayer, Massachusetts, United States
$82k-$141k/yr OnsiteFull Time
7+ YOEBS in Engineering, 7+ years electrical design/project engineering and software development experience; proficiency with C/C++, C#, Python, RESTful APIs, industrial network protocols, PLC/ladder logic, AutoCAD Electrical; strong communication and troubleshooting skills.
C, C++, C#, Python, RESTful APIs, AutoCAD Electrical, Visual Studio, .NET, IoT, Ethernet/IP, Modbus TCP, CAN Bus, DeviceNet, Ladder logic, Microsoft Office
1w
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Engineer 2
Bedford, Massachusetts, United States
$94k-$141k/yr HybridFull Time
4+ YOEBachelor's degree in engineering,4+ years ICS/OT experience with PLC programming and SCADA/HMI,1+ year Siemens experience; familiarity with GAMP 5,protocols,validation,Agile practices.
Siemens TIA Portal, CODESYS, Siemens WinCC, Ignition, Aveva System Platform, OPC DA, OPC UA, MODBUS, Ethernet/IP, Delta-V, Siemens PCS, MS SQL Server, .NET, MTP, RESTful APIs, WebSocket, GitHub, Terraform, Ansible, Docker, Prometheus, RabbitMQ, Java, PLC, SCADA, HMI
2w
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Engineer 2
Bedford, Massachusetts, United States
$94k-$141k/yr HybridFull Time
4+ YOEBachelor's in engineering,4+ years in industrial control systems/OT,1+ year Siemens experience,PLC/SCADA programming,protocols (OPC,MODBUS,Ethernet/IP),EMTP/validation knowledge,excellent communication and Agile experience.
PLC, SCADA, Siemens, TIA Portal, CODESYS, Siemens WinCC, Ignition, Aveva System Platform, OPC DA, OPC UA, MODBUS, Ethernet/IP, Delta-V, Siemens PCS, MS SQL Server, .NET, MTP, RESTful APIs, WebSocket, GitHub, Terraform, Ansible, CI/CD, Docker, Prometheus, RabbitMQ, Java
1w
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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
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