270 senior software engineer jobs at 88 companies in Groton, CT

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Senior Software Engineer
Merrimack or Smithfield
OnsiteFull Time
Fidelity Investments
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
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
2mo
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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
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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
2mo
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Senior Embedded Software Engineer (Onsite)
Middletown, Rhode Island, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
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
2mo
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
RCN Capital
RCN Capital: A national private lender providing financing for real estate investors.
7+ YOE7+ years software development experience with 3+ years in a senior/lead capacity. Strong experience with Microsoft .NET 10, C#, React, TypeScript, Azure, PostgreSQL, cloud-native architectures, CI/CD, and AI/LLM integrations. Bachelor's required.
Microsoft .NET 10, C#, React, TypeScript, Entity Framework Core, PostgreSQL, CosmosDB, Microsoft Azure OpenAI Services, Microsoft Azure Functions, Microsoft Azure App Services, Microsoft Azure Service Bus, Microsoft Azure Key Vault, Microsoft Azure AI Search, Microsoft Azure DevOps, GitHub Actions, LangChain, Semantic Kernel, Docker, Kubernetes, Tailwind CSS, Redux, Zustand
1w
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Senior Software Engineer
Warwick, Rhode Island, United States
$105k-$157k/yr HybridFull Time
Tokio Marine HCC
Tokio Marine HCCTokyo Stock Exchange: 8766: Provides specialized insurance solutions and risk management services globally.
5+ YOEBachelor's degree or equivalent, 5+ years professional software development, experience with enterprise applications, strong problem-solving and mentorship skills.
1w
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Senior Software Engineer
Quincy or Bristol or Cranston or Syracuse
$127k-$181k/yr OnsiteFull Time
Saab
SaabNasdaq Stockholm: SAAB B: Develops defense systems, aerospace technology, and security solutions.
8+ YOEBachelor's with 8+ years or master's with 6+ years in software development; C/C++, Python, Linux, security clearance eligibility, U.S. citizenship, and travel up to 25% required.
C/C++, Python, Linux/Unix Shells, Matlab, Eclipse, GNU, VS Code, Microsoft Visual Studio, Arduino, SVN, Git, Jira, Microsoft Excel, Microsoft Word, Visio, Microsoft PowerPoint, Microsoft Outlook, Scrum
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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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Senior Software Engineer - Personal Insurance
Hartford or Atlanta or Cockeysville or Saint Paul
$139k-$230k/yr HybridFull Time
Travelers
TravelersNew York Stock Exchange: TRV: Provider of commercial and personal property casualty insurance.
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
Providence, Rhode Island, United States
$114k-$163k/yr HybridFull Time
Veranex
Veranex: Accelerates medical technology innovation from concept to commercialization.
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 (AWS, Node)
St. Paul or Hartford
$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 (or equivalent experience), 6+ years software engineering experience, leadership experience, cloud and API proficiency, testing and CI/CD familiarity.
AWS, Serverless, EKS, Azure, REST, GraphQL, Terraform, AWS CDK, React.js, Node.js, JavaScript, TypeScript, Python, Kafka, DB2, MySQL, PostgreSQL, MongoDB, DynamoDB, NUnit, XUnit, Moq, Jest, Cypress, Git, GitHub, CloudBees Jenkins, Jenkins, Azure DevOps, OAuth 2.0, OpenID Connect (OIDC), Dynatrace, ELK, OpenTelemetry, Jira, Rally, Claude, GitHub Co-Pilot
1d
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Senior Digital Software Engineer
Hartford, Connecticut, United States
$118k-$147k/yr RemoteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Provides retirement, investment, and insurance products and services.
5+ YOERequires 5–8 years of software development experience, proficiency in multiple technologies, system design, API development, DevOps, CI/CD, observability, technical leadership, communication, and mentoring.
React, Node.js, Python, SQL, NoSQL, Microsoft Azure, Amazon Web Services (AWS)
3mo
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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
3w
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Senior Software Development Engineer - Microservices
Hartford, Connecticut, United States
$102k-$204k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Provides retail pharmacy, health insurance, and pharmacy benefit management services.
5+ YOE2+ Mgmt5+ years software engineering, 2+ years technical lead experience; strong Python and API framework skills; experience with microservices, GCP, Kubernetes/GKE, Docker, CI/CD, Kafka, BigQuery/BigTable/SQL; hands-on GenAI/LLM/RAG/Agentic AI and prompt engineering.
Python, FastAPI, Flask, Google Cloud Platform (GCP), Kubernetes (GKE), Docker, CI/CD, GitHub, Kafka, BigQuery, BigTable, SQL, Gemini, Vertex AI, OpenAI, Claude
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
Medtronic
MedtronicNYSE: MDT: Developing and manufacturing medical technologies and therapies globally.
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
1mo
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SOFTWARE ENGINEER
Newport or Middletown
OnsiteFull Time
MIKEL
MIKEL: Provides undersea warfare technology and engineering services for defense.
10+ YOEBachelor's in a technical discipline, 10+ years software engineering experience, strong proficiency in C/C++, Qt, Eclipse, Git/GitHub, Jira, Confluence, SysML/MBSE, CI/CD; DoD Secret clearance required at hire; US citizenship required.
C, C++, Qt, Eclipse, Jira, Confluence, GitHub, Git, SysML, Model-Based Systems Engineering (MBSE), CI/CD, DevSecOps
2mo
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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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IT Senior Software Engineer (Hybrid)
Berlin or Westwood
$127k-$142k/yr HybridFull Time
Eversource Energy
Eversource EnergyNYSE: ES: Delivers electricity, natural gas, and water to New England customers.
5+ YOE5+ years experience; Bachelor's degree or equivalent; design and implement systems, drive release management, mentor engineers, able to respond to emergencies and travel between MA/CT/NH; Maximo experience a plus.
Maximo
2w
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Senior Software Engineer – Platform & Agentic AI Engineering
Hartford or Charlotte or Columbus or Chicago
$128k-$191k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides business and personal insurance, group benefits, and investments.
6+ YOE6+ years software engineering with 2+ years GenAI/LLM multi-agent experience; hands-on with Agentic protocols (ADK,MCP), AlloyDB/Postgres, Vertex AI, Python/Typescript, Terraform, and production LangChain/LangGraph systems.
Google ADK, Anthropic MCP, LangGraph, LangChain, Python, Typescript, Terraform, GCP, AlloyDB, PostgreSQL, Postgres RDS, Vertex AI, Cloud Run, Cloud Storage, Secret Manager, LangSmith, GitHub Spec-Kit, OpenSpec, BMAD-METHOD, Claude Code, GitHub Copilot, AWS Kiro, CI/CD
5d
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Senior Software Engineer – Platform & Agentic AI Engineering
Charlotte or Chicago or Columbus or Hartford
$128k-$191k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provides property and casualty insurance and financial products.
6+ YOERequires 6–8 years of software engineering experience, including 2+ years in GenAI or LLM systems, Python or TypeScript, agentic protocols, LangChain, LangGraph, AlloyDB, GCP, Terraform, and CI/CD; bachelor's or master's preferred.
Google ADK, Anthropic MCP, LangGraph, LangChain, Python, TypeScript, Terraform, GCP, RAG, GraphRAG, AlloyDB, PostgreSQL, Postgres RDS, Vertex AI, Cloud Run, Cloud Storage, GitHub Spec-Kit, OpenSpec, BMAD-METHOD, LangSmith, LCEL, OAuth, SSO, IAM, Secret Manager, GitHub Copilot, Claude Code, AWS Kiro, pgvector, CI/CD