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157 c developer jobs at 85 companies in Hamden, CT

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
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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
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1mo
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Software Engineer (C# .NET Framework/SQL Server) - Digitech - Remote
Chappaqua, New York, United States
RemoteFull Time
Digitech Computer
Digitech Computer: Provides billing software and revenue cycle management for EMS.
3+ YOE3-5 years of professional software engineering; strong C#, .NET Framework, SQL Server; remote work ability; Bachelor's in CS or related field.
C#, .NET Framework, SQL Server, Databases, Stored Procedures
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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
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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
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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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2w
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Software Developer for Quantum-Centric Supercomputing
Yorktown Heights, New York, United States
$131k-$226k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Master's required (Doctorate preferred). Strong Python and systems language skills (C/C++/Rust), HPC and resource manager experience preferred, ability to build orchestration and interoperability software for hybrid HPC–Quantum systems.
Python, C, C++, Rust, OpenMP, MPI, GPU, Slurm, LSF, PBS, Grid Engine, Qiskit, OpenQASM, CUDA-Q, CI/CD
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1mo
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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
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6d
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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#
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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
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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
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2mo
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Sr Developer - Full Stack
Hauppauge, New York, United States
$111k-$158k/yr OnsiteFull Time
Stifel Financial
Stifel FinancialNYSE: SF: Financial services firm providing wealth management and investment banking.
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
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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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2mo
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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
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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.
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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
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1mo
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Embedded Software Senior Engineer/Autonomy/AI/Machine Learning
Stratford, Connecticut, United States
$109k-$217k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
4+ YOEBachelor's in CS/CE/Robotics/EE, 4+ years software engineering experience, embedded C/C++/Python/MATLAB skills, experience with state machines and software architecture, and US citizenship required.
C, C++, Python, MATLAB, Git, CMake, gtest, gdb, Linux, Qt, OpenGL, TCP/IP, UDP, CAN bus, serial, ARINC 429, FPGA, GPU
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2mo
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Full Stack Engineer
New Haven, Connecticut, United States
$68k-$121k/yr HybridFull Time
Yale University
Yale University: Providing higher education and conducting advanced scientific research.
2+ YOEAI-first development experience; strong React/TypeScript front-end and C#/.NET Core back-end skills; CI/CD, IaC (Terraform/Bicep), Azure; team collaboration.
React, TypeScript, JavaScript, C#, ASP.NET Core, MSSQL, NoSQL, Lua, Python, Terraform, Bicep, Azure, Claude Code, Augment, Cursor
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3mo
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Avionics Software Engineer III
Hauppauge, New York, United States
$73k-$105k/yr OnsiteFull Time
ENSCO
ENSCO: Provides engineering, science and advanced technology solutions for mission-critical operations.
3+ YOEBachelor's or equivalent with 3+ years related experience; C, Linux shell scripts; formal requirements and test procedures; HW/SW debug; strong communication; U.S. citizenship; ability to obtain security clearance.
VectorCast, Green Hills, DOORS, Python, Lab environment, HW/SW debug, C, Linux
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