26 net developer jobs at 21 companies in Athol, MA
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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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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 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
1mo
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IT Software Systems Engineer
Holyoke, Massachusetts, United States
HybridContract
5+ YOEBachelors in CS/EE/related, 5+ years Microsoft-stack software development and administration experience (Windows, SQL Server, IIS, .NET, Power Platform, Active Directory/Entra ID). Microsoft certs preferred; knowledge of networking and change control required.
Microsoft Windows, Microsoft SQL Server, Microsoft Internet Information Services, Microsoft Power Platform, .NET, Microsoft Active Directory, Microsoft Entra ID
2mo
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Intermediate Level Software Engineer - Nashua, New Hampshire, United States
Nashua, New Hampshire, United States
$90k-$110k/yr HybridFull Time
2+ YOEBachelor's degree in computer science or related field; 2+ years software development; US citizen; ability to obtain security clearance; skills in C#, JavaScript/TypeScript, .NET; Azure DevOps, Jira; web frameworks (HTML/CSS/React)
Azure DevOps, Jira, C#, JavaScript, TypeScript, .NET, HTML, CSS, React, AngularJS, Blazor
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
3w
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Senior Software Engineer
Natick, Massachusetts, United States
$130k-$170k/yr HybridFull Time
3+ YOEBS/MS in ECE or CS required,3+ years software development experience,proficiency in C++,C#,Java,Python,JavaScript,Embedded Linux/Yocto,Microsoft Visual Studio and .NET,agile/scrum experience and strong debugging skills.
C++, C#, Java, Python, JavaScript, Embedded Linux, Yocto, Microsoft Visual Studio, Microsoft .NET, Microsoft WinForms, Microsoft WPF
1mo
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Senior Automation Engineer
Chelmsford, Massachusetts, United States
$107k-$130k/yr HybridFull Time
Bachelor's or equivalent experience, 5+ years professional application development preferred, experience with C#, .Net (Core/Framework), SQL, test automation and load/performance testing, healthcare technology experience preferred, Agile experience, knowledge of FDA/HIPAA requirements.
C#, .Net Core, .Net Framework, SQL
1mo
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Software Engineer III (DevOps)
Lowell, Massachusetts, United States
$102k-$147k/yr HybridFull Time
4+ YOEBachelor's or equivalent, 4+ years professional software development, expertise in C#, .NET, Python, Java or JavaScript; CI/CD, Terraform, Ansible, Jenkins, Docker/Kubernetes, GitHub, JIRA, cloud platforms (Azure/AWS/GCP), and strong debugging and collaboration skills.
C#, Microsoft .NET, Python, Java, JavaScript, GitHub, JIRA, Terraform, Ansible, Jenkins, Docker, Kubernetes, Helm, Shell, Google Cloud API, Azure, AWS, GCP
1mo
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Software Engineer - UI/UX (Fall 26' Intern)
Natick, Massachusetts, United States
$28-$32/hr OnsiteInternship
Currently enrolled or recent graduate in CS/CE or similar; fluent in C#, Java, or JavaScript; experience with Figma or Adobe XD; front-end frameworks like WPF, React, or Angular; strong OOP and MVVM skills; Windows front-end/.NET WPF or Unity experience useful; valid work eligibility required.
C#, Java, JavaScript, Figma, Adobe XD, WPF, React, Angular, .NET, Unity, Model-View-ViewModel
4w
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Backend C2 Systems Full Stack Developer
Hanscom AFB or Hampton
$113k-$257k/yr OnsiteFull Time
8+ YOE8+ years software development experience including backend/services, microservices, relational and NoSQL datastores, message/streaming platforms, containerization, frontend (React), CI/CD, and eligibility for Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry
3w
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Backend C2 Systems Full Stack Developer
Hanscom Air Force Base, Massachusetts, United States
$113k-$257k/yr HybridFull Time
8+ YOE8+ years software development experience with backend services and microservices; experience with server-side languages, data stores, messaging, containerization, CI/CD, and secure service design; ability to obtain Secret clearance.
Java, .NET, C#, Python, Go, Kafka, React, CI/CD, AWS, Kubernetes, Prometheus, Grafana, OpenTelemetry, mTLS, OAuth2, OIDC, API gateway, service mesh
15h
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Senior Embedded Software Engineer
Ayer, Massachusetts, United States
$82k-$141k/yr OnsiteFull Time
7+ YOEBachelor's degree in engineering and 7+ years of electrical design, project engineering, or software development experience. Requires C/C++, C#, Python, embedded systems, IoT, RESTful APIs, and industrial protocols.
C, C++, C#, Python, Visual Studio, .NET, AutoCAD, AutoCAD Electrical, Microsoft Office, Ethernet/IP, Modbus TCP, CAN Bus, DeviceNet, PLC, RESTful APIs, IoT
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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Senior Software Engineer (Teradyne, North Reading) (North Reading, MA, US)
North Reading, Massachusetts, United States
$162k-$259k/yr OnsiteFull Time
10+ YOE10+ years in C# .NET on Windows; distributed, multi-threaded apps; OO design; machine vision; optics knowledge; semiconductor/test equipment experience a plus.
C#, .NET, Visual Studio, WPF, TCP/IP, Database programming, Machine vision, Computer vision, Image processing, Lenses, Geometrical optics
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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Software Engineer
Westford, Massachusetts, United States
$106k-$177k/yr HybridFull Time
5+ YOE5+ years full-stack web application experience with frontend Vue 3/Pinia/Apollo/Vite and backend .NET/ASP.NET Core/C#; GraphQL, PostgresSQL/SQL, microservices, cloud platforms, Docker/Kubernetes, Git/Bitbucket; strong architecture and communication skills.
Vue 3, Pinia, Apollo, Vite, .NET Framework, ASP.NET Core, C#, GraphQL, PostgresSQL, SQL, GCP, AWS, Microsoft Azure, Docker, Kubernetes, Linux, .NET MAUI, Git, Bitbucket, GitHub Copilot, Claude
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
1mo
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Principal RF Test Software Engineer (Hybrid, Sign On Bonus Available)
Nashua or New Hampshire or United States
$116k-$197k/yr HybridFull Time
6+ YOEBachelor's in CS/EE or equivalent, ability to obtain Secret clearance, 6+ years software development with RF test automation, strong RF fundamentals, and programming experience in .NET, Python, or Java.
Microsoft .NET, C#, VB.NET, Python, Java, Spectrum analyzers, Network analyzers, Signal generators, Wafer probers
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