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36 principle developer jobs at 31 companies in Yonkers, NY

1mo
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Principle Software Engineer (Hybrid)
Wayne or Totowa or New Jersey
$129k-$219k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
4+ YOEActive Secret clearance, Bachelor's in CS/CE (or related) with 4+ years experience, embedded/application C++ development, OO design, software testing/verification, and strong problem-solving skills.
C++, Ada, C#, Python, Java, Rust, Green Hills, VxWorks, Microsoft Windows, Linux, Continuous Integration Tools, Artificial Intelligence Tools, DO-178C, Git, GitLab, Jira, Confluence
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2mo
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Principle Software Engineer, AI Observability & Evals Platform
Boston or San Francisco or New York City
$230k-$270k/yr OnsiteFull Time
LangChain
LangChain: Tools for building and deploying production-ready AI agents.
10+ YOE10+ years backend or full-stack engineering; strong Python/Go; TypeScript/React; architectural decisions; reliable, scalable systems; mentoring.
Python, Go, TypeScript, React
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3w
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Principal Application Developer, PD Systems
New Brunswick, New Jersey, United States
$159k-$193k/yr OnsiteFull Time
Bristol Myers Squibb
Bristol Myers SquibbNew York Stock Exchange: BMY: Develops and distributes innovative medicines for serious diseases.
Supervise application development, perform test code reviews, design monitoring tools, apply secure coding principles, and recommend lifecycle and agile engineering improvements.
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3d
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Java, Angular, React Full stack Lead Software Engineer
Jersey City, New Jersey, United States
$152k-$215k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years software engineering experience delivering system design, application development, testing and operational stability; proficiency in Java, Spring ecosystem, Angular/React, CI/CD, cloud principles, and AI-assisted tooling.
Java, Spring, Spring Boot, Spring Security, Angular, Angular JS, React, Oracle, Cockroachdb, Cassandra, Jenkins, Bitbucket, Terraform, JUnit, Cucumber, VS Code, Copilot, Claude Code, Go, Python, Kerberos, OAuth 2
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4d
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Manager, AI Solutions Expert—Agent Developer
New York City, New York, United States
$99k-$165k/yr HybridFull Time
Pfizer
PfizerNYSE: PFE: Develops and manufactures vaccines and medicines for global healthcare
Experience designing and deploying agentic AI solutions, familiarity with LangChain, vector DBs, RAG and LLM principles, cloud/MLOps, enterprise delivery experience, and agile/DevOps knowledge.
LangChain, Pinecone, RAG, LLM, Azure, AWS, GCP, MLOps
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1mo
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Machine Learning Engineer 2
New York City, New York, United States
$126k-$189k/yr OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
1+ YOEBachelor's in CS/Engineering/Math or related (preferred), 1-2 years relevant experience, strong Python and algorithm skills, backend testing (pytest), familiarity with CI/CD, Git, Docker, Kubernetes, cloud (AWS) and DevOps principles; good communication.
Python, C++, pytest, Jira, Git, Jenkins, Docker, Kubernetes, AWS, CI/CD, Scrum
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1w
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Mid-level Full Stack Software Developer- Onsite, West Point, NY
West Point, New York, United States
$95k-$125k/yr OnsiteFull Time
BluePath Labs
BluePath Labs: Provides consulting, research, and technical solutions for government missions.
5+ YOEBachelor's in CS/SE/CE/EE/ISYS or related, 5+ years experience, proficiency in JavaScript and Python, experience with Docker, Flask, React, Svelte, PlotlyDash, SQL, networking and security principles, U.S. citizenship, ability to obtain DoD Secret clearance.
JavaScript, Python, Docker, Flask, React, Svelte, PlotlyDash, SQL
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1w
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Electrical / Electromechanical Product Engineer
Paramus, New Jersey, United States
$100k-$125k/yr OnsiteFull Time
VERSA Products Co., Inc.
VERSA Products Co., Inc.: Manufacturer of pneumatic and hydraulic directional control valves.
3+ YOEB.S. in Electrical Engineering, 3+ years manufacturing experience, hands-on electro-mechanical design, EM principles, strong verbal/written communication.
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2d
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ENGINEER, JR., PRODUCT
Springfield, New Jersey, United States
$75k-$85k/yr OnsiteFull Time
Valcor Engineering
Valcor Engineering: Designs and manufactures fluid and motion control components for critical industries.
Bachelor's in engineering required; internship or manufacturing experience preferred. Basic manufacturing principles, Excel/Word/PowerPoint proficiency, willingness to learn, and exposure to Lean/Six Sigma, CAD, or ERP preferred.
Microsoft Excel, Microsoft Word, Microsoft PowerPoint, CAD, ERP
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1d
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Senior Site Reliability Engineer, Production Engineer - ThousandEyes
San Francisco or Seattle or Austin or New York City
$165k-$241k/yr HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
5+ YOE5+ years experience; proficiency in Python or Go; expertise with Kubernetes, cloud (AWS), Unix/Linux; strong SRE principles, incident response, and security-minded engineering.
Python, Go, Kubernetes, Service Mesh, Prometheus, OpenTelemetry, ArgoCD, CNCF, AWS, Unix, Linux
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1mo
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Staff Optical Engineer
Budd Lake, New Jersey, United States
$115k-$173k/yr OnsiteFull Time
Onto Innovation
Onto InnovationNYSE: ONTO: Provides metrology and inspection solutions for semiconductor manufacturers.
Master's in optical/physics/EE or related, hands-on optical lab experience, knowledge of optical principles and metrology techniques, familiarity with optical design/simulation tools, and data analysis skills (MATLAB/Python/Excel).
Zemax, Code V, COMSOL, MATLAB, Python, Microsoft Excel
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QA Engineer
Zagreb or Croatia or New York City
HybridFull Time
Microblink
Microblink: Provides AI software for automated document scanning and identity verification.
2+ YOE2+ years software testing experience, strong QA principles, mobile/SDK testing experience, English proficiency, residency and work authorization in Croatia required; familiarity with Android/iOS/Web testing and issue analysis.
Playwright, Appium, TypeScript, Xcode, Android Studio, Microsoft Visual Studio Code, Docker, Postman, Git, BrowserStack, React Native, Flutter
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Senior Control Engineer
New York, New York, United States
$175k-$200k/yr OnsiteFull Time
Rockefeller Capital Management
Rockefeller Capital Management: Provides wealth management and financial advisory services to clients.
8+ YOE8+ years engineering experience in systems, software, and cloud infrastructure; deep knowledge of networking, Windows/Linux/Unix, distributed/cloud architectures; security control testing, monitoring, incident response, SRE principles, application security, and automation.
Python, PowerShell, Bash, CI/CD, infrastructure-as-code, Azure, AWS, GCP, NIST, MITRE, CSA, CIS, DevOps
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3w
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Intermediate Substation Structural Engineer
Freeport or Hallowell or New York or Syracuse or Ann Arbor or New Albany
$74k-$127k/yr OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
1+ YOEBachelor's in structural or civil engineering,1+ years relevant experience,knowledge of structural engineering principles,codes,and discipline-specific design software;strong communication and analytical skills.
MicroStation, AutoCAD, Civil 3D, ArcGIS, InRoads, Geopak, GeoSlope, ANSYS, STADD, HEC-RAS, HEC-HMS
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2d
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Entry Level Water Resources Engineer
Bloomfield or Mount Laurel
$82k-$85k/yr OnsiteFull Time
Dewberry
Dewberry: Professional firm providing engineering, architecture, and environmental consulting services.
0+ YOEBachelor's in Civil Engineering (water resources focus) required; knowledge of hydrologic/hydraulic principles, stormwater and drainage design; 0-1 years experience; strong communication; MS Office proficiency.
Microsoft Office
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1w
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Returning New Grad Engineer I - Winter/Summer 2027 - Northeast Division (For Current/Former HNTB Interns Only)
New York or South Portland or Princeton or Bedford or Boston or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$66k-$125k/yr OnsiteFull Time
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
Bachelor's degree in Engineering required; knowledge of engineering principles; familiarity with Microsoft Office, MicroStation and/or AutoCAD; EIT preferred; master's preferred.
Microsoft Office, MicroStation, AutoCAD
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Returning New Grad Engineer I - Winter/Summer 2027 - Northeast Division (For Current/Former HNTB Interns Only)
New York or South Portland or Princeton or Bedford or Boston or Newark or Cherry Hill or Parsippany or South Norwalk or Rocky Hill or Chelmsford
$66k-$125k/yr OnsiteFull Time
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering required; understanding of engineering principles; familiarity with Microsoft Office, MicroStation and/or AutoCAD; EIT preferred; Master's preferred.
Microsoft Office Suite, MicroStation, AutoCAD
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Field Engineer Sr. - United Kingdom (EXPAT)
Barrow-in-Furness or Cape Canaveral or Groton or Kings Bay or Silverdale or Uniondale or Connecticut or Florida or Georgia or New York or Washington or United Kingdom
$89k-$178k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active DoD Secret clearance (or higher) prior to start with ability to obtain Top Secret, willing to expatriate to the UK for 3+ years, experience with navigation/inertial principles, ability to climb ladders and work in confined spaces, Trident/FBM/SSBN experience preferred.
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Principal Engineer, Digital Workplace Technology Engineering
New York or New Jersey or Los Angeles or United States
$180k-$210k/yr RemoteFull Time
NBCUniversal
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
12+ YOE12+ years in enterprise/platform engineering; deep expertise in Microsoft 365, endpoint management (Intune, JAMF, SCCM), Azure, enterprise AI (Copilot, Power Platform), architecture, SRE principles, and large-scale platform transformations.
Microsoft 365, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Exchange Online, Microsoft Entra ID, Microsoft Purview, Microsoft Defender, Microsoft Intune, JAMF, Microsoft SCCM, Microsoft Copilot, Copilot Studio, Microsoft Power Platform, Microsoft Power Apps, Microsoft Power Automate, Microsoft Azure, MLOps, DevOps
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2w
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Communications Field Engineer for System Performance & Infrastructure
Rye, New York, United States
$105k-$135k/yr FieldFull Time
Consolidated Edison
Consolidated EdisonNYSE: ED: Provides electric, gas, and steam services in New York.
3+ YOE3+ years telecom/IT experience (varies by degree), experience with fiber/DWDM, microwave/RF, IP networking, cybersecurity principles, preventive maintenance, vendor/SLA oversight, and ability to work off-hours and travel within service territory.
DWDM, OTN, MPLS, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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