110 software engineer c jobs at 63 companies in Danbury, CT

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2w
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Senior Software Engineer
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
Vantage Elevation
Vantage Elevation: Manufactures and supplies components and systems for elevators.
10+ YOEBachelor's in engineering or equivalent, 10+ years embedded real-time software experience, strong C/C++ skills, RTOS experience, Git familiarity, scripting and higher-level language experience, excellent communication and mentoring skills.
C, C++, Git, Bash, PowerShell, Python, Make/Cygwin, C#, PHP, JavaScript, HTML, CSS
2mo
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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
2w
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Senior Software Engineer
Bronx or Sacramento
$125k-$145k/yr OnsiteFull Time
Vantage Elevation
Vantage Elevation: Manufacturer of non-proprietary components and systems for elevators.
10+ YOEBachelor's in EE/CE or equivalent, 10+ years in real-time embedded software, strong C/C++, RTOS and firmware skills, Git experience, debugging/troubleshooting, mentoring and project leadership.
C, C++, Git, Bash, PowerShell, Python, Make, Cygwin, C#, PHP, JavaScript, HTML, CSS
3w
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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
3d
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C# .NET Developer
East Haven, Connecticut, United States
OnsiteFull Time
Town Fair Tire
Town Fair Tire: Retailer of brand-name tires and automotive wheel services.
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
1mo
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C++/ Python Developer – Algo & Analytics
Great Neck, New York, United States
$100k-$110k/yr OnsiteFull Time
FlexTrade Systems
FlexTrade Systems: Provider of multi-asset execution and order management trading software.
3+ YOE3+ years software development experience, degree in CS or equivalent, strong C++ and Python skills, UNIX experience, problem-solving, client-facing communication; trading algos and time-series/big-data exposure useful.
C++, Python, UNIX, FlexStrategy Server
3w
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Principal Software Engineer - Software Architect
Charlotte or Hartford
$130k-$190k/yr OnsiteFull Time
Talcott Financial Group
Talcott Financial Group: International life insurance group providing risk and retirement solutions.
10+ YOE5+ Mgmt10+ years software engineering, 5+ years architecture; deep Microsoft Azure and AI/ML experience; proficiency with C#, Python, SQL, Terraform/Bicep/ARM, CI/CD, and enterprise data platforms.
Azure, Microsoft Fabric, C#, Python, SQL, Terraform, Bicep, ARM templates, CI/CD
2w
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Software Controls Engineer
Hawthorne, New York, United States
$120k-$160k/yr OnsiteFull Time
Clarapath
Clarapath: Robotic systems for automated tissue sectioning in pathology laboratories.
3+ YOEBachelor's degree in engineering, 3+ years embedded/control software experience, strong C/C++ and Python skills, embedded Linux/RTOS experience, motion control and sensor interfacing, Git, debugging and documentation experience.
C/C++, Python, embedded Linux, RTOS, Git, Jira, Confluence
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
2w
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Senior Software Developer for Quantum-Centric Supercomputing
Yorktown Heights, New York, United States
$161k-$276k/yr OnsiteFull Time
IBM
IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.
Master's degree required; strong proficiency in Python and a systems language (C, C++, or Rust); experience with modern software engineering practices, HPC/resource managers, EM/quantum ecosystems, and strong communication skills.
Python, Rust, C, OpenMP, MPI, GPU, Slurm, PBS, Grid Engine, LSF, Qiskit, OpenQASM, CUDA-Q, Linux, HPC, CI/CD
2mo
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Lead Software Engineer (Hybrid)
Hartford or Charlotte or Short Hills
$130k-$176k/yr HybridFull Time
Selective Insurance
Selective InsuranceNASDAQ: SIGI: Provider of commercial and personal property and casualty insurance.
7+ YOESenior software engineer with .NET (C#, ASP.NET Core), Azure, AI, microservices, DevOps, and leadership experience.
C#, ASP.NET Core, Azure, Azure AI Services, REST, GraphQL, Docker, Kubernetes, Terraform, Bicep, ARM, CI/CD, DevOps, Terraform, Cloud, SAFe, Pega, Python, TensorFlow, PyTorch, Camunda, Appian, Angular, React, Kafka, RabbitMQ
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
2mo
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Avionics Software Engineer III
Hauppauge, New York, United States
$73k-$105k/yr OnsiteFull Time
ENSCO
ENSCO: Provides engineering and technology solutions for aerospace and transportation systems.
3+ YOE3+ years in software development with C, scripting, and test procedures; DO-178C requirements tracing; U.S. citizenship and ability to obtain security clearance.
C, Linux, VectorCast, Green Hills, Python, DOORS, GitHub, Synergy, Lab environment
2mo
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Software Development Engineer
Seattle or Arlington or Bellevue or New York or Astoria or Brooklyn or Carle Place or Cupertino
$144k-$224k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years professional software development; 2+ years design/architecture; 3+ years building complex software systems; 2+ years multi-tier or distributed apps in C#/C++/Java/Perl; Bachelor's degree or equivalent.
C#, C++, Java, Perl, Python
4w
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Staff Software Engineer - AI
Hartford or Charlotte
$128k-$191k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
Deep AI/ML and software engineering expertise with experience building agentic and generative AI systems; proficiency in Python/Java/C++; cloud and MLOps experience; test automation and Git skills; strong problem-solving and collaboration.
Python, Java, C++, Playwright, MLflow, Kubeflow, Docker, Git, LangGraph, Crew AI, Semantic Kernel, AWS, Azure, GCP, LLMOps, MLOps, Gemini, Claude
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
2mo
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Software Engineer
New York City or Old Greenwich
OnsiteFull Time
Ellington Management Group
Ellington Management Group: Manages alternative investment funds specializing in mortgage-backed securities.
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
2mo
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Staff Software Engineer
New York, New York, United States
$184k-$210k/yr HybridFull Time
Warby Parker
Warby ParkerNYSE: WRBY: Warby Parker is a retailer of prescription eyewear and contacts.
7+ YOE7+ years software development; experience building scale search, recommendation, and personalization systems; proficient in Golang, Python, or C#; strong system design and cloud (AWS).
Golang, Python, C#, AWS, OpenSearch, Elasticsearch, SageMaker, Personalize, Bedrock, Vector databases, Real-time streaming
3w
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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
4w
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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