1mo
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.Net/C# Developer (Any city, MA, US, 99999)
Massachusetts or United States
$69k-$99k/yr RemoteFull Time
6+ YOE6+ years technical/product design experience with enterprise products; cloud and SaaS knowledge; relational database and event-driven integration skills; mentoring and ownership mindset; able to travel 0-10%.
.NET, C#
1d
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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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Jr. C++ Software Developer
Franklin or Andover
$80k-$87k/yr HybridFull Time
1+ YOE1–3 years C++ (or strong project experience), 1–2 years .NET, Bachelor's in Software Engineering/Computer Science, OOP knowledge, data structures, Agile experience, strong communication, US work authorization required (no sponsorship).
C++, .NET, Linux, SQL, Python, CI/CD, TCP/IP, Agile, Scrum
3w
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Payments .NET Application Developer
Charlotte or Scottsdale or Dallas or Cleveland or California or Colorado or District of Columbia or Illinois or Maryland or Massachusetts or Minnesota or New York or New Jersey or Washington
$44-$54/hr HybridFull Time
5+ YOE5+ years .NET development experience; proficient in C# and .NET core; relational DB experience (Oracle/MSSQL/PostgreSQL); Visual Studio and Git; strong OOP, design patterns, and communication skills; associate or bachelor degree.
.NET core, C#, Oracle, MSSQL, PostgreSQL, Microsoft Visual Studio, git, ASP.NET Core MVC, Web API, SQL Server, Entity Framework Core, ReactJS, VueJS, HTML, CSS, JavaScript, NUnit, xUnit, CockroachDB, Kafka
1d
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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)
1w
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Software Engineer - C# (SiPh Test Solutions, North Reading, MA)
North Reading, Massachusetts, United States
$100k-$160k/yr OnsiteFull Time
1+ YOEBachelor's in CS/CE/EE (master's preferred), 1+ years software development experience, strong C#/.NET skills, familiarity with GIT and Windows, excellent debugging and problem-solving skills.
C#, .NET, GIT, Windows, Visual Studio, Jira, Python
1mo
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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
2w
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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
1w
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Software Engineer
Florida or Wisconsin or Alaska or West Virginia or District of Columbia or Washington or Virginia or Vermont or Utah or Texas or Tennessee or South Dakota or South Carolina or Rhode Island or Puerto Rico or Pennsylvania or Oregon or Oklahoma or Ohio or North Dakota or North Carolina or New York or New Mexico or New Jersey or New Hampshire or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kentucky or Kansas or Iowa or Indiana or Illinois or Idaho or Georgia or Delaware or Connecticut or Colorado or Arkansas or Arizona or Alabama or Missouri or Wyoming
$70k-$80k/yr RemoteFull Time
Experience developing C#/.NET applications, MS SQL Server and T-SQL; BS in Computer Science or equivalent; US authorization and US-based location required; familiarity with AI-assisted development tools preferred.
C#, .NET, Microsoft SQL Server, T-SQL
1mo
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Principal Software Engineer
Mansfield, Massachusetts, United States
$152k-$190k/yr RemoteFull Time
10+ YOE10+ years software design and development; strong C#, .NET, ASP.NET; full-stack web experience; AI/LLM integration; SDLC experience; strong leadership and communication.
C#, .NET, ASP.NET, Angular, TypeScript, HTML, CSS, Python, OpenAI, Azure OpenAI
3w
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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
3d
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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
23h
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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
2mo
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Principal Engineer
Pune or Boston
OnsiteFull Time
10+ YOE10+ years software engineering experience; expert in C#, .NET/.NET Core, TypeScript; hands-on AWS serverless, Kubernetes/Docker, CI/CD, distributed systems and microservices; strong architecture and leadership skills.
.NET, .NET Core, C#, ASP.NET Core, Entity Framework, TypeScript, Angular, React, AWS, Lambda, API Gateway, Step Functions, EventBridge, ECS, EKS, Fargate, RDS, Aurora, DynamoDB, NoSQL, SQS, SNS, Kafka, RabbitMQ, AWS CodePipeline, GitHub Actions, Kubernetes, Docker, SQL, Cosmos DB
3w
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Software Test Engineer
Cambridge, Massachusetts, United States
$115k-$182k/yr OnsiteFull Time
4+ YOE4+ years testing real-time distributed client-server applications; automation with API and microservices; C#/.NET development; BDD/Gherkin test automation; Bachelor's required (Master's preferred).
Linux, Microsoft Azure, C#, .NET, Gherkin, Behavioral Driven Development (BDD), API, Micro Services, SAFe Agile
2d
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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
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
2w
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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
1mo
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Senior Software Engineer
United States or Connecticut or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$148k-$185k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOEBachelor's in CS/Engineering or 15+ years related experience; 10+ years Windows OO development; strong C#/.NET skills; WinForms/WPF experience; problem-solving, troubleshooting, and customer-facing communication skills; familiarity with CI/CD and test automation preferred.
C#, .NET, .NET Framework, VB.NET, C++, Win32, WinForms, WPF, SQL, Web Services, WCF, COM, SAML, OAuth, Machine Learning, Deep Learning, OCR, Image Processing, SAP GUI, WebExtensions, Java, Oracle Forms, Mainframe, Acrobat, Email, UIA, MSAA, Applitools, SoapUI, Postman, Perfecto, Microsoft Office, Silverlight, macOS, Cocoa, Swift, Xcode, Mono, Xamarin, MAUI, Jenkins, Groovy, Bash, Z Shell, Batch, PowerShell, NANT, MSBuild, Git
1mo
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Software Developer
United States or Missouri or Austin or Boston or Chattanooga or Chicago or Dallas or Denver or Houston or Jefferson City or Kansas City or Los Angeles or Madison or Milwaukee or Minneapolis or Nashville or Oakland or Omaha or Phoenix or Providence or Springfield or Saint Louis or Washington
$105k-$237k/yr HybridFull Time
5+ YOEBachelor's in CS/related (or equivalent) and 5+ years enterprise app development/AI/cloud engineering experience; strong C#, .NET, Azure, AI implementation, CI/CD, and cloud-native backend skills.
C#, .NET Core, .NET 8, ASP.NET, Azure App Services, Azure Web Apps, Azure Functions, Durable Functions, Azure Service Bus, Azure SQL Database, Docker, Azure Application Insights, Azure DevOps, GitHub Actions, Git, Azure AI Foundry, Azure OpenAI, Copilot Studio, Entra ID
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