166 c developer jobs at 99 companies in Connecticut

2mo
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C++ Trading & Simulator Engineer (USA)
Stamford, Connecticut, United States
$175k-$200k/yr HybridFull Time
Trexquant
Trexquant: Quantitative hedge fund developing systematic trading strategies.
2+ YOE2+ years C++ production coding; low-latency/high-throughput systems; degree in CS/Engineering/Math; Python a plus; alpha/strategy research data pipelines a plus.
C++, Python, Data pipelines, Low-latency systems
1w
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Staff Software Engineer, C++ (Patching)
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$150k-$240k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOEBachelor's degree, 10+ years C++ development (C++17+), cross-platform systems experience (Windows/macOS/Linux), gRPC/Protocol Buffers, SQLite, CMake; experience with Java/Kotlin/Golang/Postgres/AWS helpful.
Java, Kotlin, C++, Golang, Postgres, AWS, gRPC, Protocol Buffers, SQLite, CMake, Qt, Vcpkg, Win32 API, POSIX
1d
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I&C Hardware Engineer
Windsor, Connecticut, United States
$58k-$73k/yr HybridFull Time
WECTEC Staffing Services
WECTEC Staffing Services: Provides technical staffing and contingent labor for energy industries.
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
3w
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Senior Batch Developer (UNIX/C/SQL) (Any city, CT, US, 99999)
Connecticut or United States
$75k-$95k/yr RemoteFull Time
Gainwell Technologies
Gainwell Technologies: Delivers technology solutions for public health and Medicaid programs.
6+ YOE6+ years application development and batch programming with C on Unix/Linux and Oracle (SQL/PL/SQL); expertise in batch automation, complex SQL tuning; healthcare claims/MMIS experience desired.
C, Unix, Linux, Oracle, SQL, PL/SQL
2mo
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Engineer II I&C - Nuclear
Stonington, Connecticut, United States
OnsiteFull Time
Zachry Group
Zachry Group: Provides engineering, construction, and maintenance for industrial facilities.
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.
1mo
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Software Engineer I - Personal Insurance (Typescript, NodeJs, C#, AI)
Hartford or Atlanta or St. Paul or Hunt Valley
$99k-$163k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
3+ YOEThree years programming; TypeScript, Node.js, C# backend; AI exposure; Bachelor's in CS or related STEM; plus 2 years software engineering experience.
TypeScript, Node.js, C#, Artificial Intelligence
2w
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Software Engineer
Greenwich, Connecticut, United States
OnsiteFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
2+ YOEBachelor's in CS/Math/Physics required; 2+ years C++ software development experience with OOP, STL, networking, concurrency, Linux/UNIX and shell scripting; strong communication skills.
C++, C, STL, Linux, UNIX, shell scripting
1w
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Software Engineer
Waterford, Connecticut, United States
$85k-$125k/yr OnsiteFull Time
Sonalysts
Sonalysts: Defense engineering, training, and software systems provider.
5+ YOEU.S. citizen eligible for DoD SECRET clearance, bachelor’s in CS or related, 5+ years software development, experience with C#/Java/C++ and simulation or GUI development, EM/SDLC knowledge, strong communication and critical thinking.
C#, Java, C++, .Net, OpenGL, Lua, Qt, Unity, Windows, Linux, DIS
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Senior Website Developer
Windsor, Connecticut, United States
$151k/yr RemoteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
5+ YOEBachelor's in CS/CE or related field; 5+ years as a software developer/engineer; .NET (C#) or Drupal; cloud, APIs, CI/CD, testing, and performance optimization experience.
C#, .NET, Drupal, Azure, Salesforce, CI/CD, Travis CI, GitHub Actions, Varnish, Memcached, Solr, shell scripting, Behat, PHPUnit
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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
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
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
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
Harris Computer
Harris Computer: Provides mission-critical vertical market software and service solutions.
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
1w
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Peoplesoft Developer (Hybrid)
Canton or Farmington or Boston or Raleigh
$81k-$115k/yr HybridFull Time
Intact Insurance Specialty Solutions
Intact Insurance Specialty SolutionsToronto Stock Exchange: IFC: Provides specialized property and casualty insurance and risk services.
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#
4w
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Senior Quantum Error Correction Software Engineer
New Haven, Connecticut, United States
$124k-$187k/yr HybridFull Time
D-Wave Quantum
D-Wave QuantumNYSE: QBTS: Provides commercial quantum computing systems, software, and cloud services.
5+ YOEMS/PhD in a relevant field, 5+ years software development (C/C++/Python), 3+ years quantum computing experience with SDKs (Qiskit, Q#, CUDA-Q, Stim), Git and CI/CD proficiency, testing practices, strong problem-solving and communication.
C, C++, Python, Qiskit, Q#, CUDA-Q, Stim, Git, CI/CD
3w
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Middle Office Software Developer
Norwalk or Rowayton
$115k-$200k/yr OnsiteFull Time
Graham Capital Management
Graham Capital Management: Manages alternative investment funds using quantitative and discretionary macro strategies.
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. Software Engineer
Milford or Cocoa Beach or Orlando or Sioux Falls or Orlando or Jacksonville or Columbus or York Haven or Birmingham or Augusta or Nashville or Houston or Dallas or Albuquerque or Columbia or Milwaukee or McAllen or El Paso or San Antonio or Salt Lake City or Charlotte or Phoenix or Sunrise or Louisville or Sunrise
$150k-$175k/yr OnsiteFull Time
BeneLynk
BeneLynk: Provides social care advocacy and government benefit enrollment assistance.
8+ YOE8+ years software development; strong in C#/.NET; REST APIs; Azure; scalable SaaS; distributed teams; healthcare/regulatory context.
C#, NET, REST APIs, Azure, SQL, SaaS
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Junior Software Engineer - Automation & Integration
Ridgefield, Connecticut, United States
OnsiteFull Time
Fletcher Development
Fletcher Development: Builds luxury custom homes and provides residential estate management services.
Backend development in .NET (C#) and Python; REST APIs; databases; payments security; AI tooling.
.NET (C#), Python, REST APIs, PostgreSQL, SQL Server, Stripe, QuickBooks API, OneSignal, Twilio, SendGrid, Copilot
3w
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Sr. Software Engineer (Cybersecurity)
California or Colorado or Connecticut or Florida or Georgia or Kentucky or Massachusetts or Michigan or New York or New Jersey or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or Washington or Peachtree Corners
RemoteFull Time
Digital Envoy
Digital Envoy: Provides IP-based geolocation and digital intelligence data services.
5+ YOE5+ years software development experience, strong OOP and Python plus one of C++, Java, C#, Go, or Rust; Linux and security engineering knowledge; noSQL and AWS/SQL familiarity; static/dynamic malware analysis (Smali/APK); strong debugging and communication.
Python, C++, Java, C#, Go, Rust, Linux, noSQL, Smali, APK, IDA Pro, Ghidra, Hopper, Radare2, Binary Ninja, Frida, Burp Suite, AWS, SQL, REST APIs, AI/ML
1mo
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P&C Producer - CT - Glastonbury, CT - Norwalk
Glastonbury or Norwalk
$120k-$250k/yr OnsiteFull Time
USI Insurance Services
USI Insurance Services: Insurance brokerage and risk management consulting services.
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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Software Engineer, AI
United States or Alabama or Alaska or Arkansas or Arizona or California or Colorado or Connecticut or Delaware or Florida or Georgia or Hawaii or Iowa or Idaho or Illinois or Indiana or Kansas or Kentucky or Louisiana or Maine or Michigan or Minnesota or Missouri or Mississippi or Montana or North Carolina or North Dakota or Nebraska or New Hampshire or New Jersey or New Mexico or Nevada or Ohio or Oklahoma or Pennsylvania or Rhode Island or South Carolina or South Dakota or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia or Wyoming
$125k-$145k/yr RemoteFull Time
Patch My PC
Patch My PC: Automates third-party application patching for Microsoft IT management tools
5+ YOEBachelor's (or equivalent) and 5+ years professional software development with C#/.NET; experience with AI agent frameworks, LLMs, Transformers/OpenAI/Hugging Face, REST APIs, cloud (Azure/AWS/GCP), MongoDB, and Git.
C#, .NET, LangChain, CrewAI, AutoGPT, MetaGPT, GPT, Claude, Mistral, Transformers, OpenAI API, Hugging Face, REST APIs, Azure, AWS, GCP, MongoDB, Git, Docker, CI/CD, Azure AI Foundry, Microsoft ConfigMgr, Microsoft Intune, Microsoft WSUS
2w
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Sr. Software Engineer
Miami or Shelton
OnsiteFull Time
Subway
Subway: Operates a global chain of franchised quick-service sandwich restaurants.
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