145 c developer jobs at 76 companies in Willimantic, CT
2w
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
2+ YOE.NET Framework/.NET Core and C# experience, Blazor, SQL Server (2016+), REST/SOAP, Visual Studio, Git, HTML/CSS/JavaScript, web API development, Agile experience.
.NET Framework, .NET Core, Blazor, C#, SQL Server 2016, ASP.NET, ADO.NET, REST, SOAP, Visual Studio, Git, HTML, CSS, JavaScript, JSON, AJAX, Wrike, Jira, bash, PowerShell, cmd
3w
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I&C Hardware Engineer
Windsor, Connecticut, United States
$58k-$73k/yr HybridFull Time
0+ YOEBachelor's in Electrical Engineering or related, 0-3 years engineering experience, knowledge of analog/digital circuit design, Microsoft Office proficiency, AutoCAD experience a plus.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, AutoCAD
2mo
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Engineer II I&C - Nuclear
Stonington, Connecticut, United States
OnsiteFull Time
6+ YOEBS in engineering with control systems knowledge; 6 years experience including nuclear power; strong communication and MS Office skills; able to pass security/drug screening; travel to client sites.
4d
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Embedded Software Engineer
Farmington, Connecticut, United States
$93k-$139k/yr OnsiteFull Time
5+ YOEBachelor's degree in engineering or related field and 5+ years of embedded software experience. Requires C/C++ proficiency, embedded systems development, debugging, testing, and strong analytical skills.
C, C++, TI C2000, ST microcontrollers, Code Composer Studio, Git, Bitbucket, Jira, in-circuit emulators, oscilloscopes, serial analyzers
1mo
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Senior Developer / Lead Developer
Allentown or Providence or Louisville
HybridFull Time
5+ YOEBachelor's degree, 5+ years software development experience (senior) or 7+ (lead); proficiency in C#, Java, TypeScript, frontend frameworks, APIs and SQL; experience with cloud, microservices, and emerging tech.
C#, Java, TypeScript, JavaScript, Python, Angular, React, SQL, Microservices, Cloud Architecture, APIs, SAP ABAP, SAP S/4HANA, Kubernetes, Azure Kubernetes Service (AKS), DevOps, RPA, Artificial Intelligence
1mo
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SOFTWARE ENGINEER
Newport or Middletown
OnsiteFull Time
10+ YOEBachelor's in a technical discipline, 10+ years software engineering experience, strong proficiency in C/C++, Qt, Eclipse, Git/GitHub, Jira, Confluence, SysML/MBSE, CI/CD; DoD Secret clearance required at hire; US citizenship required.
C, C++, Qt, Eclipse, Jira, Confluence, GitHub, Git, SysML, Model-Based Systems Engineering (MBSE), CI/CD, DevSecOps
1w
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Software Developer
East Greenwich, Rhode Island, United States
HybridFull Time
Experience developing with C++, OO design patterns, clang/static analysis, STL, debugger use; B.S. in Computer Science or Mathematics or equivalent; strong problem-solving and independent learning.
C++, Python, clang, C++ Standard Template Library (STL), debugger
2w
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Software Developer II
Worcester, Massachusetts, United States
OnsiteFull Time
3+ YOE3+ years professional development experience; proficiency in JavaScript/Node.js or C#, SQL, cloud services (Azure), authentication frameworks, Git/CI-CD, and AI-assisted development; bachelor’s degree or equivalent experience.
JavaScript, Node.js, C#, SQL, Azure Container Apps, Blob Storage, Azure AI, OpenAI, Azure SQL, AWS DB, Auth0, Git, GitHub, CI/CD
1mo
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Lead Developer
Allentown or Louisville or Providence
HybridFull Time
7+ YOEBachelor's degree (or equivalent), 7+ years experience (Lead) or 5+ years (Senior); strong software development background with C#, Java, JavaScript/TypeScript, front-end frameworks (Angular/React), APIs/JSON, and SQL; experience with microservices, cloud, containerization and Kubernetes preferred.
C#, Java, Python, JavaScript, TypeScript, Angular, React, SQL, JSON, APIs, Microservices, DevOps, Multi-Cloud, IoT, Intelligent Automation, RPA, Test automation, Machine Learning, Artificial Intelligence, Kubernetes, Azure Kubernetes Service (AKS), SAP ABAP
2mo
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Software Engineer / Task Manager
Newport, Rhode Island, United States
OnsiteFull Time
3+ YOEMid-level software engineer with experience in C/C++, Java, Python and Qt/PyQt; strong leadership, collaboration, and defense-lab environment experience.
C, C++, Java, Python, Qt, PyQt, JIRA, Bitbucket, Confluence, Bamboo
2w
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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
2w
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Software Developer II
Worcester, Massachusetts, United States
OnsiteFull Time
3+ YOE3+ years professional development experience in JavaScript/Node.js, C#, or equivalent; SQL and cloud service experience; mentoring ability; bachelor’s degree or equivalent preferred.
JavaScript, Node.js, C#, SQL, Azure SQL, AWS DB, Azure Container Apps, Blob Storage, Azure AI, OpenAI, Auth0, Git, GitHub, CI/CD
5d
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Substation Protection & Controls (P&C) Engineer
Dallas or Boston or Hartford or Clark or Portland or Seattle or Raleigh or Denver or Wethersfield
$133k-$174k/yr HybridFull Time
10+ YOEPE license, Bachelor's in electrical engineering,10+ years P&C design for utilities, PE ability to obtain additional licenses, DNP3/IEC 61850 familiarity, SCADA and relay setting experience.
DNP3, IEC 61850, acSELerator QuickSet, Autodesk, Bentley, SCADA
1mo
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OneStream Senior Developer
Chicago or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Cleveland or Oklahoma City or Austin or Albany or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Nashville or Detroit or San Diego
$63k-$183k/yr OnsiteFull Time
3+ YOE3+ years OneStream development, 2+ years VB.net or C# and Data Management, 3+ years reporting and leading technical workstreams; OneStream OCA (or willing to certify), Bachelor’s degree or equivalent.
OneStream XF, VB.net, C#, SQL, XML, Sensible AI, CPM Express, Oracle, Hyperion, Cognos TM1, SAP, Anaplan, Adaptive, Host Analytics
4w
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Peoplesoft Developer (Hybrid)
Canton or Farmington or Boston or Raleigh
$81k-$115k/yr HybridFull Time
3+ YOE3+ years PeopleSoft Financials and 3+ years enterprise Java or C# development experience; experience with PeopleTools, Application Engine, PeopleCode, Integration Broker, BI Publisher, and BMC Control-M; bachelor’s in CS/IS preferred.
PeopleTools, Application Engine, PeopleCode, Integration Broker, BI Publisher, BMC Control-M, Java, C#
2w
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Software Developer II
Worcester, Massachusetts, United States
OnsiteFull Time
3+ YOE3+ years professional development experience with JavaScript/Node.js or C#, strong SQL and relational database skills, cloud (Azure) experience, Git/GitHub and CI/CD, knowledge of Auth0 and insurance BPO processes; bachelor’s or equivalent.
JavaScript, Node.js, C#, SQL, Azure SQL, AWS DB, Azure Container Apps, Blob Storage, Azure AI, OpenAI, Auth0, Git, GitHub, CI/CD
1w
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Staff Software Engineer
Hartford or Charlotte or Columbus or Chicago
$116k-$174k/yr HybridFull Time
8+ YOE8+ years software development experience; expertise in Java/Python/C#/Go, full-stack frameworks, cloud platforms, databases, CI/CD, and AI-assisted development; BS in CS/Engineering or related required.
Java, Python, C#, Go, Angular, React, Node.js, RESTful APIs, AWS, GCP, Azure, SQL Server, Snowflake, PostgreSQL, Oracle, MongoDB, CI/CD, GitHub Copilot, Microsoft Copilot, Copilot Studio, Azure AI Foundry, Google Vertex AI, GCP Agent Development Kit (ADK)
1mo
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Software Apps Engineer
West Greenwich or Providence or Rhode Island
$60k-$122k/yr HybridFull Time
5+ YOE5+ years related experience with Bachelor's in Computer Science or equivalent experience; fluent in C, Unix/Linux shell scripting; relational database knowledge; system integration, performance tuning, testing, and collaboration skills.
C, Unix, Linux
6d
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Dot Net Developer
Atlanta or Hartford or Raleigh or Richardson
$64k-$95k/yr OnsiteFull Time
.NET stack experience (.NET, ASP.NET, MVC, C#, WPF, WCF), Microsoft SQL Server and Entity Framework, strong OOP and API development skills, bachelor's degree or equivalent, agile experience preferred.
.NET, ASP.NET, MVC, C#, WPF, WCF, Microsoft SQL Server, Entity Framework, JavaScript
2mo
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Senior Embedded Software Engineer (Onsite)
Middletown, Rhode Island, United States
$87k-$165k/yr OnsiteFull Time
5+ YOESenior embedded real-time software engineer with 5+ years of experience in C/C++, RTOS (VxWorks/Linux), and DoD security clearance; willing to travel 10-15%.
C, C++, Linux, VxWorks, RTOS, MATLAB