355 senior software developer jobs at 158 companies in Connecticut

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
1mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
RCN Capital
RCN Capital: National direct lender for real estate investors.
7+ YOE7+ years software development; senior/lead engineer; full stack with .NET, React/TypeScript; AI/GenAI; Azure; PostgreSQL/CosmosDB; cloud-native; offshore collaboration.
React, TypeScript, Redux, Zustand, Tailwind CSS, C#, .NET 10, .NET Core, Entity Framework Core, Azure Functions, App Services, Service Bus, Azure DevOps, GitHub Actions, PostgreSQL, CosmosDB, LangChain, Semantic Kernel, Docker, Kubernetes
1mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
RCN Capital
RCN Capital: Directly provides mortgage loans for real estate investment properties.
7+ YOESenior software engineer with 7+ years, lead/architect, full stack in .NET 10, React, TypeScript, Azure, PostgreSQL/CosmosDB; AI/GenAI, offshore teams.
React, TypeScript, Redux, Zustand, Tailwind CSS, C#, .NET 10, Entity Framework Core, Azure, Azure DevOps, GitHub Actions, PostgreSQL, CosmosDB, LangChain, Semantic Kernel, Docker, Kubernetes
2mo
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Senior Software Engineer
Bristol or Burbank or Glendale
$142k-$190k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years web development; Node.js/Java/Kotlin; cloud AWS; frontend tech; HTTP servers; test-driven, agile; strong communication.
Node.js, Java, Kotlin, AWS, NGINX, HAProxy, Apache, CloudFront, Fargate, React Native, JavaScript, TypeScript
2mo
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Senior Software Engineer - Compliance Technology
New York or Greenwich
$150k-$235k/yr OnsiteFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse alternative asset classes.
10+ YOE10+ years software development; deep expertise in C#; production SQL queries; React/CSS; Python; AWS; Agile/SCRUM; DevOps (CI/CD, IaC); AI-assisted development tools; finance industry exposure a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, Infrastructure as Code, AI-assisted development tools
2mo
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Senior Software Engineer - Compliance Technology
Greenwich or New York
$150k-$235k/yr HybridFull Time
Balyasny Asset Management
Balyasny Asset Management: Global multi-strategy investment firm managing diverse financial assets.
10+ YOE10+ years software development; expert in C#; SQL; React; CSS; Python; AWS; Agile/SCRUM; DevOps; AI-assisted tools; finance experience a plus.
C#, SQL, React, CSS, Python, AWS, CI/CD, infrastructure-as-code, AI tools
1w
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Senior Software Engineer
Waterford, Connecticut, United States
$110k-$170k/yr OnsiteFull Time
Sonalysts
Sonalysts: Defense engineering, training, and software systems provider.
10+ YOEU.S. citizen eligible for DoD SECRET clearance; bachelor’s degree in computer science or 14 years experience; 10+ years software development; experience with C++, C#, Java and simulation/GUI systems.
C#, Java, C++, .Net, OpenGL, Lua, Qt, Unity, UML, Windows, Linux, DIS
2w
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Senior Software Engineer
Bristol or Burbank or Glendale
$142k-$190k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years web/software engineering; mastery of HA Proxy, NGINX, Apache; extensive NodeJS and/or Java/Kotlin experience; AWS EC2, Fargate, Cloudfront; frontend web development; BS in Computer Science or equivalent.
HA Proxy, NGINX, Apache, NodeJS, Java, Kotlin, AWS EC2, Fargate, Cloudfront, JavaScript, TypeScript, React Native
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
2w
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Senior Software Engineer, FullStack
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
$150k-$170k/yr RemoteFull Time
Patch My PC
Patch My PC: Automates third-party application patching for Microsoft IT management tools
8+ YOE8+ years professional software development; strong full-stack experience with .NET, React, and TypeScript; RESTful APIs, MongoDB/NoSQL, Docker, Azure DevOps, CI CD; production ownership and mentoring experience.
.NET, React, TypeScript, RESTful APIs, MongoDB, Docker, Azure DevOps, Microsoft Graph, Microsoft Intune, Microsoft ConfigMgr, WSUS, SignalR, WebSockets, Redux, Kubernetes, Redis, CI CD
3d
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Senior Software Development Engineer
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yr RemoteFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE5+ years backend software development with Java and Spring Boot, experience in microservices, GraphQL/REST APIs, databases, cloud-native patterns, CI/CD, code reviews, and mentoring.
Java, Spring Boot, GraphQL, RESTful APIs, NoSQL, Git, GCP, Cloud Spanner, Pub/Sub, GKE, Cloud Functions, Kafka
2w
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Senior Software Developer - Client Tax
Greenwich, Connecticut, United States
HybridFull Time
Interactive Brokers
Interactive BrokersNASDAQ: IBKR: Automated global electronic brokerage and trading services provider.
Strong database and data modeling experience; Java, Spring, and REST API development; experience with Oracle and XML; ability to extract technical specs from business requirements and lead complex software projects.
Java, Spring, REST APIs, Oracle, XML
1mo
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Senior Software Developer, AI Labs
San Francisco or Waterloo or New York City or Seattle or Los Angeles or San Diego or Connecticut or New Jersey or United States
$136k-$274k/yr HybridFull Time
TextNow
TextNow: Provides free, ad-supported mobile calling and texting services.
5+ YOE5+ years software development experience; strong programming in Go, Python, TypeScript, or Ruby; experience with LLMs, model training, cloud deployment, AI system design, and delivering production-grade systems.
Go, Python, TypeScript, Ruby, LLMs, OpenAI, Anthropic, Google, vector databases, agent frameworks, orchestration platforms
1mo
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Senior Software Engineer
United States or New Jersey or New York or Washington or Hawaii or Alaska or Maryland or Connecticut or Rhode Island or Massachusetts or Nevada or Oregon or Arizona or Colorado or Wyoming or Texas or North Dakota or Minnesota or Missouri or Illinois or Wisconsin or Florida or Georgia or Michigan or Ohio or Virginia or Pennsylvania or Delaware or Vermont or New Hampshire or Maine or Utah or Idaho or Montana or New Mexico or South Dakota or Nebraska or Kansas or Oklahoma or Iowa or Arkansas or Louisiana or Mississippi or Alabama or Tennessee or Kentucky or Indiana or South Carolina or North Carolina or West Virginia or California
$94k-$179k/yr RemoteFull Time
Mercury Insurance
Mercury InsuranceNYSE: MCY: Provider of personal and commercial insurance coverage.
5+ YOE1+ MgmtBachelor's in CS or related (or equivalent experience); 5+ years software programming experience; 2+ years with technologies used at Mercury; 1+ year leading teams; proficiency with Java, Spring/Spring Boot, REST, MongoDB, Docker, Kubernetes, cloud and modern distributed system design.
Java, Python, Go, C++, JavaScript, Spring Framework, Spring Boot, REST, gRPC, MongoDB, Claude, ChatGPT, IntelliJ, VS Code, Apache Kafka, Apache NiFi, Amazon SQS, MS MQ, Apache Camel, Docker, Kubernetes, AWS, Google Cloud, Azure
1mo
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Senior Software Engineer
New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Maine or Maryland or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Oregon or Rhode Island or South Carolina or Tennessee or Texas or Virginia or Utah or Wisconsin
$165k-$185k/yr RemoteFull Time
Electric
Electric: Provides automated IT management and security services for businesses.
8+ YOE8+ years backend experience with modern Python stack, leadership experience, proficiency in Postgres/SQLAlchemy, AWS, Terraform, FastAPI, React/TypeScript, observability, and familiarity with AI-assisted development.
Python, FastAPI, Pydantic, PostgreSQL, SQLAlchemy, Alembic, Temporal, Redis, AWS RDS, AWS S3, AWS SQS, AWS DynamoDB, AWS ECS, AWS IAM, Terraform, React, TypeScript, Claude Code
1mo
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Senior Software Engineer
San Francisco or Knoxville or New York City or Arizona or California or Colorado or Connecticut or Florida or Georgia or Illinois or Louisiana or Massachusetts or Minnesota or North Carolina or New Jersey or Nevada or New York or Ohio or Pennsylvania or South Carolina or Tennessee or Texas or Washington or Virginia or District of Columbia
$150k-$224k/yr RemoteFull Time
Verana Health
Verana Health: Curates real-world clinical data to accelerate medical research and insights.
5+ YOE5+ years backend development with Java and Spring Boot, experience with AWS, Docker, Kubernetes, CI/CD, TDD/JUnit, REST/microservices, observability (Datadog, CloudWatch, OpenTelemetry), mentoring skills, and experience with RDBMS, Elasticsearch and NoSQL.
Java, Spring Boot, AWS, GHA, Jenkins, Docker, Kubernetes, JUnit, TDD, REST, OAuth 2.0, OWASP, Elasticsearch, NoSQL, Datadog, CloudWatch, OpenTelemetry, React, WebSockets, Python, Kafka, SQS, CI/CD
2w
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Senior Software Engineer
Connecticut or West Virginia or South Carolina or Pennsylvania or New Hampshire or Hawaii or California or Michigan or Kentucky or Arizona or New Mexico or Nevada or Florida or Alaska or Washington or Oregon or Texas or Alabama or Mississippi or Tennessee or Illinois or Wisconsin or Louisiana or Arkansas or Missouri or Iowa or Minnesota or Oklahoma or Kansas or Nebraska or South Dakota or North Dakota or Colorado or Wyoming or Idaho or Montana or Utah or Vermont or North Carolina or Massachusetts or Georgia or Rhode Island or New York or Maryland or Delaware or Virginia or Ohio or New Jersey or Maine
$110k-$140k/yr RemoteFull Time
Worksoft: Automation platform for enterprise business process testing and discovery.
10+ YOE10+ years web development experience (C#, .NET, ASP.NET Core) and production AI/ML experience (LLMs, PyTorch/TensorFlow, LangChain, etc.); Bachelor’s in CS/Engineering or 15+ years experience; strong problem solving and customer-facing troubleshooting skills.
OpenAI, Azure OpenAI, Anthropic Claude, Gemini, PyTorch, TensorFlow, scikit-learn, ML.Net, LangChain, Semantic Kernel, RAG, vector databases, LLMs, ASP.Net Core, Web APIs, REST, JWT, OAuth, Azure AD/Entra ID, Blazor, Angular, MS Sql Server, EF Core, WinForms, WPF, .Net MAUI, Service Bus, Kafka, MSBuild, Git
2w
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or St. Paul or Hunt Valley
$139k-$230k/yr HybridFull Time
Travelers
TravelersNYSE: TRV: Provide property and casualty insurance for individuals and businesses.
6+ YOEBachelor's in CS or related STEM and 6+ years software engineering experience; Salesforce development preferred (Apex, LWC, APIs); experience with database design, CI/CD, cloud platforms, Agile, and technical leadership.
Salesforce, Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, CI/CD, DevOps, Agile
1mo
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Senior Software Engineer, Java
United States or California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or North Carolina or New Jersey or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa or Chicago
$150k-$220k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
10+ YOEBachelor's in CS or equivalent experience; 10+ years Java development, 4+ years building scalable systems; Kotlin, C++, Postgres, Redis, AWS experience; REST API development (Jersey/Spring); strong OOP and testing practices.
Java, Kotlin, C++, Postgres, AWS, Redis, Jersey, Spring
1mo
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Senior Software Developer (Hybrid or Remote)
Canton or Raleigh or Farmington or Boston
$101k-$143k/yr HybridFull Time
Intact Insurance Specialty Solutions
Intact Insurance Specialty SolutionsToronto Stock Exchange: IFC: Provides specialized property and casualty insurance and risk services.
6+ YOE6+ years software development experience; expertise in .NET Core/C#, ASP.NET MVC, Entity Framework, Angular or React, Microsoft Azure; strong SQL Server and CI/CD experience; Bachelor’s or Master’s in CS/Engineering.
.NET Core, C#, ASP.NET MVC, Entity Framework, Angular, React, Microsoft Azure, Microsoft Azure Functions, Microsoft App Services, Microsoft Azure Storage, Microsoft Azure DevOps, SQL Server, CI/CD
1mo
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Senior Software Engineer - Product
Yonkers or Washington or Colchester or Arizona or California or Connecticut or Illinois or Maryland or Massachusetts or Michigan or New Hampshire or New Jersey or New York or Texas or Vermont or Virginia or District of Columbia
$115k-$160k/yr RemoteFull Time
Consumer Reports
Consumer Reports: Tests products and publishes ratings for consumer advocacy.
5+ YOE5+ years software engineering experience; proficiency with React, React Native, Python (FastAPI); experience building multi-platform apps, CI/CD, automated testing, observability; strong communication; bachelor’s degree preferred.
React, React Native, Python, FastAPI, AWS, Azure, Google Cloud Platform, CI/CD

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