216 senior software engineer jobs at 61 companies in Hatfield, MA
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Senior Software Engineer
South Windsor or Charlotte
HybridFull Time
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.
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
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.
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.
ISO New England: Operates the New England power grid and wholesale markets.
5+ YOEBachelor's in CS/Engineering or equivalent,5+ years software testing with automated web/API testing,Java plus Python/JavaScript,Playwright/Selenium/Cypress,CI/CD (Jenkins),Git,Jira,SQL,and mentoring experience.
Senior Software Development Engineer - Microservices
Hartford, Connecticut, United States
$102k-$204k/yrHybridFull Time
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.
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
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
8+ YOEBachelor's degree plus 8 years of relevant experience, CI/CD and release engineering expertise, automated testing, source control, documentation, U.S. citizenship, and ability to obtain Secret clearance.
Senior Software Engineer – Platform & Agentic AI Engineering
Hartford or Charlotte or Columbus or Chicago
$128k-$191k/yrHybridFull Time
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.
Senior Software Engineer – Platform & Agentic AI Engineering
Charlotte or Chicago or Columbus or Hartford
$128k-$191k/yrHybridFull Time
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.
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
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
5+ YOEBachelor's in software engineering or related field,5+ years experience (or Master's+3),DoD Secret clearance obtainable,US citizenship,experience with C/C++,Python,Linux,Git/GitLab,containers,and team leadership.
C/C++, Python, Linux, GitLab, Git, containers, Agile, AI
Selective InsuranceNASDAQ: SIGI: Provides property and casualty insurance products to businesses and individuals.
7+ YOE7+ years software engineering experience with .NET/C#, Azure, cloud-native microservices, DevOps/IaC, AI integration, CI/CD, containerization, and leadership in engineering practices.
OtisNYSE: OTIS: Manufacturer and service provider of elevators and escalators.
5+ YOEBachelor's degree in engineering or related field and 5+ years of embedded software experience. Requires C/C++ proficiency, embedded systems development, debugging, testing, and strong analytical skills.
C, C++, TI C2000, ST microcontrollers, Code Composer Studio, Git, Bitbucket, Jira, in-circuit emulators, oscilloscopes, serial analyzers
Senior Engineer – Agile Software Development – Engine System Software P3 (Onsite)
East Hartford, Connecticut, United States
$87k-$165k/yrOnsiteFull Time
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOEBachelor’s in STEM; 5 years engineering experience or 3 years with advanced degree; Agile software development; safety-critical software; DO-178B knowledge.
Holmdel or Bethlehem or New York City or Pittsfield or New York City or New Jersey or Pennsylvania
$95k-$156k/yrHybridFull Time
Guardian Life: Provides life, disability, dental, and vision insurance products.
6+ YOERequires 6+ years of full-stack experience, Java/J2EE and front-end technologies, a computer science bachelor's degree or equivalent, and residence in New York, New Jersey, or Pennsylvania.
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
5+ YOEBachelor's degree or equivalent experience; 5+ years software development, 3+ years modern programming, Agile/Scrum, AI features, DevOps, containers, CI/CD, cloud platforms, and microservices experience.
Python, Java, C#, TypeScript, Docker, Kubernetes, Jenkins, GitHub Actions, GitLab, AWS, Azure, GCP, Large Language Models (LLMs), natural language processing (NLP), HIPAA