92 c developer jobs at 60 companies in Riverhead, NY
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
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.
2mo
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I&C Hardware Engineer II (Windsor, CT, US, 06095)
Windsor or Warrendale
$69k-$87k/yr HybridFull Time
3+ YOEBachelor's in Electrical Engineering; knowledge of analog/digital circuit design; awareness of field devices; experience with AutoCAD/3D modeling; team collaboration; 3+ years experience.
AutoCAD, 3D Modeling, Electrical Design
1mo
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Middle Office Software Developer
Norwalk or Rowayton
$115k-$200k/yr OnsiteFull Time
5+ YOEBachelor's in computer science, 5+ years software development in financial services, experience with C#, Windows and web frameworks, SQL Server, messaging/SOA/APIs, Agile and unit/integration testing.
C#, Windows Forms, WPF, ASP.NET MVC, Angular, JavaScript, Web API, SQL Server, MOM, SOA, APIs, Agile, Coding agents and AI-assisted development tools
2mo
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Sr Developer - Full Stack
Hauppauge, New York, United States
$111k-$158k/yr OnsiteFull Time
6+ YOEBachelor's in computer science or related field; 6+ years software development; experience with C#/.NET, Angular, AngularJS; strong SDLC knowledge; leadership abilities.
C#, .NET, Angular, AngularJS, TFS, Git, MS SQL Server
2w
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Lead Software Engineer
Shelton or Indiana or Ohio or Louisiana or Iowa or New Hampshire or Delaware or North Carolina or Utah or Montana or Oklahoma or Virginia or Arkansas or Alabama or Missouri or Pittsburgh or Nevada or San Antonio or Tampa or St. Petersburg or Mississippi or Orlando or Tennessee or New Mexico or Kansas or Florida or Maitland or Phoenix or Idaho or West Virginia or Maine or Pennsylvania or Nebraska or South Carolina or Georgia or Wisconsin or Texas or Gilbert or Sunrise or Port St. Lucie or Kentucky or Dallas
HybridFull Time
7+ YOE7+ years C#/.NET development experience, bachelor's in CS or related, strong OOP and design patterns, SQL Server and Azure experience, DevOps and source control familiarity.
.NET Framework, .NET Standard, .NET Core, .NET 9, .NET, C#, Blazor, Razor Pages, ASP.NET WebForms, WCF, Worker Services, JavaScript, Microsoft SQL Server, Microsoft Azure, CI/CD, Git, Microsoft Azure DevOps, Jira, Confluence
2mo
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Senior Software Engineer, Calibration, Automation & Tools
New Haven, Connecticut, United States
$124k-$187k/yr HybridFull Time
5+ YOEBachelor's in CS/ECE/math/physics; 5+ years full‑stack experience; strong Python and another high‑level language (Java/Go/C/C++); front‑end frameworks (React/Angular/Vue.js); SQL and PostgreSQL/Oracle; Git, CI/CD, AWS; testing and strong communication.
Python, Java, Go, C, C++, React, Angular, Vue.js, PostgreSQL, Oracle, Git, AWS, CI/CD
2mo
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P&C Producer - CT - Glastonbury, CT - Norwalk
Glastonbury or Norwalk
$120k-$250k/yr OnsiteFull Time
3+ YOE3+ years sales experience in insurance brokerage; Property & Casualty license; college degree preferred; strong communication and negotiation; ability to develop sales plans.
1mo
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Sr. Software Engineer
Miami or Shelton
OnsiteFull Time
5+ YOEBachelor's or equivalent experience, 5+ years production software development, strong with Node.js/TypeScript/Java/C#, serverless AWS (Lambda, API Gateway, DynamoDB, SQS/SNS), REST/GraphQL APIs, CI/CD and Git workflows, Terraform/IaC, and daily use of AI-assisted development tools (GitHub Copilot, Claude).
AWS Lambda, API Gateway, DynamoDB, SQS, SNS, Node.js, TypeScript, JavaScript, Java, C#, Terraform, GitHub, Azure DevOps, Dynatrace, OpenAPI, Swagger, GitHub Copilot, Claude, Git, GitHub Actions, Datadog, CloudWatch, Akamai, CloudFront, OAuth 2.0, OpenID Connect, AWS Cognito, React Native
1mo
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Senior Software Engineer
Lindenhurst, New York, United States
RemoteFull Time
6+ YOE6+ years software development experience, Bachelor's degree or 4 years' experience, strong communication and problem-solving, knowledge of DICOM/HL7 a plus, proficiency with JavaScript (node.js, vue.js, nuxt.js), C#, SQL, PHP, GIT, HTML/CSS.
JavaScript, node.js, vue.js, nuxt.js, C#, SQL, MSSQL, MySQL, Oracle, PHP, GIT, HTML, CSS, DICOM, HL7
3w
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.NET Developer
Deer Park, New York, United States
$115k-$120k/yr RemoteFull Time
4+ YOE4+ years building C#/.NET applications, SQL Server, web framework experience (Blazor/ASP.NET/React), Git/SVN, RabbitMQ preferred, production support experience, AI tool (Claude) usage, clear written communication.
C#, .NET, SQL Server, Blazor, ASP.NET, React, Git, SVN, RabbitMQ, Jira, PagerDuty, Claude
1mo
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Quantitative Developer (USA)
New York or Stamford
$175k-$200k/yr OnsiteFull Time
STEM degree required; strong C++ engineering skills, options and market-data expertise, experience with backtesting and scalable analytics infrastructure, and strong problem-solving and teamwork skills.
C++
1mo
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Electrical Design Engineer
Chester, Connecticut, United States
OnsiteFull Time
4+ YOEBachelor's in Electrical/Computer Engineering (ABET), 4+ years product development experience, SPICE and Altium proficiency, embedded C/C++ firmware experience, hands-on test equipment skills, strong communication.
SPICE, Altium Designer, C, C++, IAR Embedded Workbench, Visual Studio Code, ICE, JTAG, digital multimeter, oscilloscope, function generator, logic analyzer, FreeRTOS, Zephyr, embOS, Embedded Linux, Jira, Confluence, BigPicture, Git
2w
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Lead RPA Developer
New Haven, Connecticut, United States
OnsiteFull Time
8+ YOE2+ MgmtBachelor's in CS/engineering, 8+ years software/automation experience, 6+ years UiPath hands-on, 2+ years team lead, strong RPA, VB.NET/C# and UIPath Orchestrator skills.
UiPath Studio, UiPath Orchestrator, UiPath Document Understanding, UiPath Automation Hub, UiPath Apps, UiPath Action Center, UiPath Maestro, RE Framework, Microsoft Power Automate, VB.NET, C#, SharePoint, Teams, Outlook, OneDrive, Dataverse, Dynamics 365, ServiceNow, Gen- AI Activities
2mo
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
0+ YOEStrong programming skills, SQL, and knowledge of one or more of C#, JavaScript, or TypeScript; Python helpful; experience with APIs, CI/CD, and AI tooling; strong problem-solving and ownership.
SQL, C#, JavaScript, TypeScript, Python, React, Angular, CI/CD
3mo
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Network Software Developer
Lexington or United States
$102k-$152k/yr HybridFull Time
3+ YOEActive DoD Secret clearance; BS in Computer Science or related field; 3-5 years experience; Proficiency in C++, Python; Kubernetes; SDN; routing protocols; strong communication; team collaboration.
C++, Python, Kubernetes, Software-defined networking, Routing protocols
1w
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Sr Software Engineer
Hauppauge, New York, United States
$106k-$178k/yr OnsiteFull Time
5+ YOEBS in software/computer engineering or related,5+ years embedded software development/verification,US citizen or permanent resident required,experience with C/SCADE,DO-178/functional safety standards,and requirements management.
C, SCADE, DOORS, DOORS Next Gen (DNG), ARM, CANbus, ARINC, RS-232, Agile, DO-178
2w
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Software Engineer, Advanced
Holtsville, New York, United States
$123k-$184k/yr HybridFull Time
8+ YOEBachelor's in CS or related,8+ years' relevant experience (5+ with advanced degree),proficiency with C#,JavaScript,jQuery,SQL Server,strong system design and leadership skills.
C#, JavaScript, jQuery, SQL Server
1mo
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Embedded System Engineer
Hauppauge, New York, United States
$96k-$131k/yr OnsiteFull Time
3+ YOEBachelors in Electrical Engineering, 3+ years embedded systems experience; firmware development (C, RTOS), FPGA (Verilog/VHDL), testing, documentation, and familiarity with Matlab-Simulink, PSIM, and revision control.
C, Verilog, VHDL, Assembly, C#, VB6, Java, WPF, Linux, RTOS, Tortoise SVN, Matlab-Simulink, PSIM, JTAG, FPGA, DSP, MCU, CPLD, SOM
1w
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Senior Engineer II-Applications (Software)
Austin or Hauppauge or Chandler
$70k-$205k/yr OnsiteFull Time
7.5+ YOEBachelors in EE/CS/CE with ~7.5 years experience, strong C/C++/Python and Linux knowledge, PCIe/USB signaling and driver debug, embedded development flow, and customer enablement experience.
C, C++, Python, Linux, PCIe, USB