8 principal software engineer jobs at 8 companies in Brookhaven, NY

2w
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Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr HybridFull Time
Essen Health Care
Essen Health Care: Private multispecialty medical group providing integrated healthcare services.
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
1d
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Principal Software Engineer (Hybrid)
Greenlawn, New York, United States
$129k-$219k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
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
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
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
1d
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Principal Engineer-Annuity Platforms and Transformation
Bethlehem or Stamford or New York City or Holmdel
$127k-$208k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
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
3w
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Principal Embedded Software Engineer
New Haven, Connecticut, United States
$180k-$220k/yr OnsiteFull Time
Bexorg
Bexorg: Developing whole-brain perfusion platforms for neurodegenerative drug discovery.
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
1w
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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
2mo
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Principal Architect
Melville, New York, United States
$170k-$190k/yr OnsiteFull Time
Accommodations Plus International
Accommodations Plus International: Provides crew accommodation and travel logistics technology solutions.
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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Principal Machine Learning Engineer, YM2026PMLE
Connecticut or Nebraska or Indiana or Arizona or Michigan or Missouri or Massachusetts or Illinois or Maine or California or Florida or Minnesota or Colorado or Iowa or Kansas or Mississippi or Georgia or Alabama or Kentucky or Idaho or Maryland or Norwalk
$177k-$217k/yr RemoteFull Time
FactSet
FactSetNYSE: FDS: Provides integrated financial data and analytical software solutions.
6+ YOEMaster’s degree in a technical field, 6 years of related experience, and 3 years using Python, Node.js, MongoDB, RabbitMQ, Redis or Memcached, Git, Elasticsearch, scikit-learn, NumPy, spaCy, NLP, and machine learning methods.
Node.js, MongoDB, RabbitMQ, Redis, Memcached, Git, Python, Elasticsearch, scikit-learn, NumPy, spaCy, SVM, XGBoost, RNN, LSTM