310 senior software developer jobs at 107 companies in Plainfield, CT
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
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
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Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Senior software engineer with RESTful APIs, JavaScript frameworks, databases, SDLC, CI/CD, mentoring, and strong OO design.
JavaScript, Angular, AngularJS, Backbone.js, React.js, CSS3
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
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
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Senior Software Engineer
Mansfield, Massachusetts, United States
$132k-$165k/yr HybridFull Time
3+ YOE3-5 years of software design and development with Microsoft stack; strong C#, .NET, ASP.NET; full-stack web experience (Angular, TypeScript); knowledge of SDLC; ability to mentor and collaborate.
C#, .NET, ASP.NET, TypeScript, Angular, Python
1w
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Senior Software Engineer
Warwick, Rhode Island, United States
$105k-$157k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent, 5+ years professional software development, experience with enterprise applications, strong problem-solving and mentorship skills.
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Senior Software Engineer
Marlborough, Massachusetts, United States
$140k-$170k/yr OnsiteFull Time
5+ YOEDegree or equivalent experience, 5+ years in motion/device control software, professional experience with C#, Microsoft WPF, C/C++, production software development, hardware integration; Azure DevOps, TFS, and SQL Server are helpful.
C#, Microsoft WPF, C, C++, Azure DevOps, Team Foundation Server, SQL Server
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Senior Embedded Software Engineer (Onsite)
Middletown, Rhode Island, United States
$87k-$165k/yr OnsiteFull Time
5+ YOESenior embedded real-time software engineer with 5+ years of experience in C/C++, RTOS (VxWorks/Linux), and DoD security clearance; willing to travel 10-15%.
C, C++, Linux, VxWorks, RTOS, MATLAB
1w
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Senior Software Engineer
Framingham, Massachusetts, United States
HybridFull Time
7+ YOE7+ years software development experience; bachelor's in CS/EE or related; proficiency in distributed systems and AWS; Python and FastAPI/Nuxt/Celery experience; mentoring and strong communication.
AWS, Python, FastAPI, Nuxt, Celery, MQTT
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Senior Software Engineer - JobID-0010
Fall River, Massachusetts, United States
$135k-$273k/yr HybridFull Time
8+ YOE8+ years software engineering with Java/C#/Kotlin/Scala; experience with distributed services; able to travel up to 10%; active Secret U.S. security clearance.
Java, C#, Kotlin, Scala, React, Redux, TypeScript, PostgreSQL, Maven, Gradle, Jenkins, Git, Kubernetes, Docker, JDBC, Hibernate
1mo
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or St. Paul or Hunt Valley
$139k-$230k/yr HybridFull Time
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
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Senior Software Developer (Hybrid or Remote)
Canton or Raleigh or Farmington or Boston
$101k-$143k/yr HybridFull Time
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
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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
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
2d
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Senior Software Engineer I (Architect Release)
Framingham, Massachusetts, United States
$107k-$147k/yr OnsiteFull Time
7+ YOEBachelor's degree in a technical field and 7+ years in software, cloud, infrastructure, DevOps, or release engineering; 3+ years developing Java or C# web and API applications.
Azure, AWS, Java, C#, Kubernetes, Terraform, Bicep, CloudFormation, DevOps, Infrastructure-as-Code, CI/CD
4w
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Senior Software Engineer
Providence, Rhode Island, United States
$114k-$163k/yr HybridFull Time
3+ YOEBachelor's degree and 3+ years software engineering experience; experience with regulated environments (FDA/IEC 62304), embedded and cloud-connected systems; strong architecture, testing, and communication skills.
QT, embedded Linux, RTOS
1mo
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Senior Software Engineer
Foxboro, Massachusetts, United States
$178k-$185k/yr HybridFull Time
5+ YOEBachelor's in CS/CE or related and 5+ years backend experience including 3 yrs Java with Spring, 3 yrs container/cloud-native (Docker, Kubernetes, Helm) with public cloud (Azure), 2 yrs event-driven (Kafka), 2 yrs DB work (PostgreSQL/Cassandra), technical lead and mentoring experience.
Java, Spring, Spring Boot, Docker, Kubernetes, Helm, Azure, Apache Kafka, PostgreSQL, Cassandra
2w
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Senior Software Engineer
Taunton or Dedham
$100k-$111k/yr HybridFull Time
2+ YOEBachelor's in software engineering or related field with 2+ years experience (Master's+6 months acceptable); U.S. citizenship required; DoD Secret clearance obtainable; skills in Linux, Kubernetes, Rust, SQL/Postgres, virtualization, networking, CI/CD, Agile; strong technical leadership and problem-solving.
Kubernetes, Linux, Rust, SQL, Postgres, Hypervisors, CI/CD
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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
6+ YOE6+ years software engineering experience, bachelor's in CS or related STEM, strong engineering fundamentals, experience with enterprise systems, architectural decision-making, and Agile/DevOps practices.
Apex, Lightning Web Components, Salesforce APIs, AWS, Azure, Salesforce, CI/CD, DevOps
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Senior Software Engineer — File System
Boston or Marlborough
HybridFull Time
7+ YOE7+ years software engineering experience with systems programming (C/C++), distributed systems, file system or storage experience, Kubernetes experience, and strong communication and technical leadership skills.
C, C++, Kubernetes, NFS, SMB, S3, POSIX, FUSE, eBPF, Linux, Strider, CUFS, CI/CD
1w
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Staff Software Engineer
Hartford or Charlotte or Columbus or Chicago
$116k-$174k/yr HybridFull Time
8+ YOE8+ years software development experience; expertise in Java/Python/C#/Go, full-stack frameworks, cloud platforms, databases, CI/CD, and AI-assisted development; BS in CS/Engineering or related required.
Java, Python, C#, Go, Angular, React, Node.js, RESTful APIs, AWS, GCP, Azure, SQL Server, Snowflake, PostgreSQL, Oracle, MongoDB, CI/CD, GitHub Copilot, Microsoft Copilot, Copilot Studio, Azure AI Foundry, Google Vertex AI, GCP Agent Development Kit (ADK)
5d
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Senior Software Development Engineer (Java, Nest, React)
Texas or North Carolina or Scottsdale or Florida or Illinois or Hartford
$83k-$204k/yr RemoteFull Time
5+ YOE5+ years software development experience; strong backend and API development using Java Spring Boot, Node.js, GraphQL; Kubernetes, observability, API design, and cloud-native experience; GCP preferred; bachelor's degree preferred.
Java Spring Boot, Node.js, GraphQL, Kubernetes, Gradle, NestJS, GitHub Actions, Google Cloud Platform (GCP), GitHub Copilot, Claude Code, Cursor, Model Context Protocol (MCP), React, GitHub
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