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22 sr principal software engineer jobs at 15 companies in Milford, CT

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Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr HybridFull Time
Essen Health Care
Essen Health Care: New York-based multi-specialty medical group providing comprehensive community healthcare.
7+ YOERequires 7+ years of software engineering experience, principal-level impact, large-scale distributed systems experience, strong backend skills, architectural judgment, and end-to-end production ownership.
Python, FastAPI, React, TypeScript, MSSQL, Redis, Microsoft Azure, Azure Container Apps, Azure Static Web Apps, Azure DevOps Pipelines, Terraform, eClinicalWorks, Ellkay, Redox, FHIR
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2w
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Sr. Principal Engineer – Agile Software Development – CDS / Engine System Software P5 (Onsite)
East Hartford, Connecticut, United States
$132k-$252k/yr OnsiteFull Time
Pratt & Whitney
Pratt & Whitney: -owned aircraft engine and auxiliary power unit manufacturer serving commercial, military, and business aviation customers.
10+ YOEBachelor's degree in STEM and 10 years of engineering experience, or an advanced degree and 7 years of experience. Requires U.S. citizenship and software development experience; Agile and safety-critical experience preferred.
Agile, DO178B
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4d
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Principal Software Engineer (Hybrid)
Greenlawn, New York, United States
$129k-$219k/yr HybridFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
6+ YOEBachelor’s degree in a technical field and 6–8+ years developing embedded or real-time software. Requires strong software engineering judgment and ability to obtain and maintain Secret clearance.
Jira, Bitbucket, Git, DO-178
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1mo
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Principal Software Engineer - Software Architect
Charlotte or Hartford
$130k-$190k/yr OnsiteFull Time
Talcott Resolution
Talcott Resolution: International life insurance group providing annuities and reinsurance solutions to individuals, families, and insurers.
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
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2mo
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Principal Software Engineer
Charlotte or Chicago or Columbus or Hartford
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provider of property and casualty insurance and employee benefits.
12+ YOERequires 12+ years in enterprise application development, a computer science or engineering bachelor's degree, and expertise in Java, Spring Boot, Angular/TypeScript, SQL, APIs, cloud platforms, and distributed systems.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, CI/CD, DevOps, DevSecOps, Identity and Access Management, AI frameworks
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2mo
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Principal Software Engineer
Hartford or Charlotte or Columbus or Chicago
$168k-$253k/yr HybridFull Time
The Hartford
The HartfordNYSE: HIG: Provider of property and casualty insurance and employee benefits.
12+ YOE12+ years enterprise application development experience, bachelor’s degree in CS/Engineering required, hands-on with Java, Spring Boot, Angular/TypeScript, SQL, cloud (AWS), APIs/microservices, observability tools; strong communication and AI-first experience.
Java, Spring Boot, Angular, TypeScript, SQL, AWS, Application Insights, Splunk, APIs, microservices, event-driven architectures, Identity and Access Management, AI frameworks, CI/CD, DevSecOps
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Principal Software Development Engineer
Hartford, Connecticut, United States
$144k-$288k/yr HybridFull Time
CVS Health
CVS HealthNYSE: CVS: Diversified healthcare integrating retail, pharmacy, and insurance services.
10+ YOE10+ years software engineering experience with .NET/COBOL/Java/Node.js/JavaScript/Angular, DevSecOps and CI/CD expertise, GCP/Azure cloud experience, and experience modernizing enterprise systems.
.NET, COBOL, Java, Node.js, JavaScript, Angular, Generative AI technologies, GCP, Azure, GitHub, Jenkins, GitHub Actions, ArgoCD, Salesforce, Mulesoft, z/OS
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3mo
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Principal Engineer Software - Storage (Chronosphere)
Burbank or Denver or Chicago or Austin or Jacksonville or Hartford or Bridgeport or Seattle or Boston or New York City
$147k-$238k/yr RemoteAll Commitments Available
Chronosphere
ChronosphereNASDAQ: PANW: Global cybersecurity platform providing network, cloud, and AI-driven security solutions.
Design and build scalable backend services for high-volume telemetry data; strong backend skills; cloud infra experience; API design; mentorship.
Go, Java, Python, Rust, AWS, GCP, Azure, REST, gRPC, GraphQL
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Principal Embedded Software Engineer
New Haven, Connecticut, United States
$180k-$220k/yr OnsiteFull Time
Bexorg
Bexorg: Private biotech using whole-human-brain perfusion and AI to support CNS drug discovery and development.
Extensive embedded systems experience, deep C/C++ and Python skills, RTOS and real-time control expertise, firmware-to-hardware lifecycle ownership, PCB/CAD/fabrication experience, and comfort in wet-lab hardware environments.
C, C++, FreeRTOS, Zephyr, Python, Altium, KiCad, SolidWorks, Onshape, I²C, SPI, UART, RS-485/Modbus RTU, CAN/CANopen, EtherCAT, USB, Ethernet, oscilloscope, logic analyzer, SWD/JTAG, Yocto, Buildroot, PREEMPT_RT, systemd, ROS 2, LabVIEW, AWS
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3d
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Principal Engineer-Annuity Platforms and Transformation
Bethlehem or Stamford or New York City or Holmdel
$127k-$208k/yr HybridFull Time
The Guardian Life Insurance Company of America
The Guardian Life Insurance Company of America: Mutual insurer providing life, disability, dental, and workforce benefits.
10+ YOEBachelor’s degree and 10+ years of software engineering experience. Requires enterprise platform leadership, insurance or annuity systems experience, API/event-driven architecture, cloud-native AWS development, and modern engineering tools.
Java, Spring Boot, .NET, Node.js, React, TypeScript, Next.js, Amazon Web Services (AWS), Amazon SNS, Amazon SQS, Apache Kafka, Amazon S3, OpenAPI, Swagger, Git, Jenkins, GitHub Actions, OAuth 2.0, JSON Web Token (JWT), Splunk, AppDynamics, JSON, XML, ALIP, ACORD, IRI Digital First, ACORD NGDS, DTCC Insurance & Retirement Services
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2w
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Principal Engineer - Technical Supervisor
Hicksville, New York, United States
$121k-$199k/yr OnsiteFull Time
PSEG
PSEGNYSE: PEG: A diversified energy providing electricity and gas services.
8+ YOEBachelor's degree in engineering, 8+ years of engineering experience, 5+ years in electric utility transmission, supervisory experience, engineering software expertise, U.S. driver's license, and 10 CFR 810 compliance.
PLS-CADD, AutoCAD, PLS-CAISSON, MFAD, CYME, NERC CIP, IEEE, NESC, OSHA, RUS, ASCE, EPRI, NEMA, FERC, NERC, NPCC, LIPA, DHS, Microsoft Excel
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1d
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Fire & Life Safety Principal Engineer
Purchase or White Plains or United States
OnsiteFull Time
HDR
HDR: Global professional services firm specializing in architecture, engineering, and construction.
20+ YOEBachelor's degree in engineering, professional engineering license, and at least 20 years of experience. Requires project execution, engineering analysis and design, technical leadership, Microsoft Office, and design software proficiency.
Microsoft Office, NFPA, ICC
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1d
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Fire & Life Safety Principal Engineer
Purchase or White Plains
$169k-$242k/yr OnsiteFull Time
HDR
HDR: Global professional services firm specializing in architecture, engineering, and construction.
20+ YOEBachelor's degree in engineering, 20+ years of experience, professional engineering license, extensive project execution, technical leadership, Microsoft Office and standard design software proficiency.
Microsoft Office, NFPA, ICC
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2mo
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AI Principal Engineer
Boston or Hartford or Missouri
$192k-$240k/yr OnsiteFull Time
Voya Financial
Voya FinancialNYSE: VOYA: Financial, retirement, investment, and insurance.
Bachelor's in CS/Engineering/Math required (advanced degree preferred). Significant experience delivering production AI/ML systems, proficiency with Python/TypeScript/Rust, LLM and MLOps knowledge, model lifecycle and MLOps practices, and leadership of technical initiatives.
Python, TypeScript, Rust, LLM, MLOps
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1w
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Principal Firmware Engineer - Video Streaming & Embedded Systems
Rockleigh or Texas
$160k-$258k/yr OnsiteFull Time
Crestron
Crestron: Private American manufacturer of control and automation systems for workplaces, campuses, government, hospitality, and homes.
Bachelor's degree required; master's preferred in computer science, electrical engineering, or related field. Requires embedded firmware expertise, C/C++ or Java, networking, multimedia systems, software architecture, and team mentorship.
TCP, UDP, HTTP/S, RTP, RTSP, H.264/H.265, VP9, VAAPI, GStreamer, FFmpeg, OpenMAX, OpenGL, C, C++, Java, Linux, Android, RTOS
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2mo
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Principal Architect
Melville, New York, United States
$170k-$190k/yr OnsiteFull Time
Accommodations Plus International
Accommodations Plus International: Private crew-accommodation technology and services provider helping airlines, rail, cruise lines, and sports teams manage lodging.
10+ YOE10+ years software engineering with principal/staff architecture experience, strong AWS cloud architecture, Java backend and Angular frontend experience, data systems (Postgres/Oracle), expertise designing AI/LLM integrations and AI development lifecycle, compliance-minded design (PCI/PII), strong communication and documentation skills.
AWS, Java, Angular, Postgres, Oracle
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1d
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.Net Architect
Hartford, Connecticut, United States
$120k-$140k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesBSE: 532540: Global leader in IT services, consulting, and business solutions.
10+ YOERequires 10+ years of software engineering experience, Senior Staff or Principal-level expertise, AWS and .NET proficiency, distributed systems, microservices, APIs, DevSecOps, CI/CD, Agile, and technical strategy leadership.
AWS, .NET, C#, .NET Core, .NET 6+, RESTful APIs, Agile, DevSecOps, CI/CD, AI, GenAI, RAG
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