417 principal engineer jobs at 200 companies in Ridgefield, CT
1mo
Save
Mark Applied
Hide
Principal Engineer
New York, New York, United States
$180k-$230k/yr HybridFull Time
8+ YOE3+ MgmtBachelor's in CS or related,8+ years engineering experience,3+ years engineering leadership,knowledge of TCP/IP/TLS/HTTP/DNS/BGP,SRE practices,ability to communicate technical topics and travel internationally.
TCP/IP, TLS, HTTP/*, DNS, BGP, SRE
3w
Save
Mark Applied
Hide
Principal Engineer
Eagan or Frisco or New York City or Toronto or Ann Arbor
$159k-$295k/yr HybridFull Time
Hands-on experience designing and operating systems to achieve SOC 2, ISO 27001/42001, HIPAA, and FedRAMP compliance; strong backend engineering and cloud experience; identity, encryption, and audit logging expertise; excellent communication.
Python, Java, Go, AWS, Vanta, Drata, OneTrust, SAML, OIDC, OAuth 2.0, NIST 800-53, NIST CSF, CIS Benchmarks
2mo
Save
Mark Applied
Hide
Principal Engineer (Scala)
New York, New York, United States
$240k-$275k/yr RemoteFull Time
10+ YOE10+ years in software engineering; deep Scala/Java backend expertise; architecture leadership; distributed systems and observability focus; AI-first engineering mindset; able to lead across teams with no direct reports; willingness to travel 5–10%.
Scala, Java
1w
Save
Mark Applied
Hide
Principal Engineer - UI
Pittsburgh or New York City
$160k-$200k/yr HybridFull Time
10+ YOERequires 10+ years of software engineering experience, 3+ years in a Staff or Principal role, and expertise in Next.js, React, Node.js, BFF architecture, legacy modernization, design systems, testing, and observability.
Next.js, Ember.js, AI, Cursor, Gemini, Qodo, React, Node.js, GraphQL, Express, Backbone, Angular.js, Storybook, Bitbucket, Code Assist, Playwright, New Relic, Quantum Metric, OTe, Module Federation, Kafka, RabbitMQ, Terraform, AWS CDK, Optimizely, Google Tag Manager, SGTM, iOS, Android, WCAG, RUM, CI/CD
3w
Save
Mark Applied
Hide
Principal Engineer, Development
Brooklyn or New York City
$150k-$420k/yr OnsiteFull Time
10+ YOEPE in New York, Bachelor's in electrical engineering, 10+ years designing MW-scale power or electrical infrastructure, Con Edison experience, strong cross-discipline knowledge, design standards and mentorship experience.
AutoCAD, Revit, SCADA, Energy Management System (EMS)
1w
Save
Mark Applied
Hide
Principal Engineer
Charlotte or Jersey City or Plano
$157k-$230k/yr OnsiteFull Time
12+ YOERequires a bachelor's degree or equivalent experience, 12+ years of technology leadership, and expertise in payments, data platforms, analytics, AI, governance, cloud architecture, and regulatory compliance.
AI/ML, AI, GenAI, BI, Data Fabric, Microsoft
1w
Save
Mark Applied
Hide
Principal Engineer
Charlotte or Jersey City or Plano
$157k-$230k/yr OnsiteFull Time
12+ YOE12+ Mgmt12+ years leading global technology teams; expertise in payments, financial services, data analytics, AI, modern data platforms, governance, regulatory compliance, cloud architecture, and technology strategy; bachelor's degree or equivalent experience.
AI, AI/ML, GenAI, ACH, ISO 20022, API, BI, cloud, data lakes, data warehouses, Microsoft Excel
1mo
Save
Mark Applied
Hide
Founding Principal Engineer
New York City, New York, United States
$200k-$240k/yr HybridFull Time
8+ YOE8+ years building production software with staff/principal level experience; deep full‑stack skills; experience leading distributed teams; building in regulated or data‑sensitive environments; strong communication and technical leadership.
TypeScript, Node, React, AWS, EHR
1w
Save
Mark Applied
Hide
Transportation Principal Engineer (Engineering)
Newington, Connecticut, United States
$130k-$182k/yr HybridFull Time
9+ YOE1+ MgmtRequires nine years of complex transportation engineering experience, including one year supervising transportation engineering design projects, PE licensure, and a valid driver's license may be required.
FEMA Flood Insurance Studies (FIS), National Flood Insurance Program (NFIP)
3w
Save
Mark Applied
Hide
Senior Director, Principal Engineer (US)
New York City or United States
$180k-$250k/yr HybridFull Time
Deep cloud architecture expertise (AWS,GCP,or Azure), backend and data engineering experience, DevOps mindset, AI tooling experience, and leadership in matrixed teams.
AWS, GCP, Azure
2mo
Save
Mark Applied
Hide
Principal Mechanical Engineer - Instruments
Orange or Sunnyvale
$220k-$330k/yr OnsiteFull Time
15+ YOEBachelor’s or Master’s in Engineering; 15+ years medical device exp; advanced mechanical instrument development; regulatory compliance; design leadership and mentorship.
Mechanical Engineering, Robotics, Medical Devices, Regulatory Compliance
1mo
Save
Mark Applied
Hide
Senior Principal Software Engineer
Totowa, New Jersey, United States
$145k-$247k/yr OnsiteFull Time
8+ YOEBS in Engineering (or equivalent) with 8+ years experience, Secret clearance, proficiency in C++, C#, Python, RTOS (RedHat/RTLinux), SDLC familiarity, strong leadership and communication skills.
C++, C#, Python, RedHat, RTLinux
2mo
Save
Mark Applied
Hide
Principal Engineer
San Francisco or New York City or United States
$148k-$210k/yr RemoteFull Time
8+ YOE8+ years software engineering experience; deep full‑stack experience with Ruby on Rails and frontend React; Node.js/JavaScript/TypeScript, AWS, MySQL, Elasticsearch, Redis, Resque; strong CS fundamentals, architecture, mentorship, and cross‑functional communication.
Ruby on Rails, React, Node.js, JavaScript, TypeScript, AWS, MySQL, Elasticsearch, Redis, Resque, Go, Python, Java
1w
Save
Mark Applied
Hide
GTF HPC – Principal Engineer, Design (Onsite)
Middletown, Connecticut, United States
$108k-$205k/yr OnsiteFull Time
5+ YOEBachelor’s degree in mechanical or aerospace engineering with 8+ years of mechanical design experience, or advanced degree with 5+ years. Requires hardware, blueprint, and manufacturing experience and U.S. citizenship.
FEA, Teamcenter, NX
2mo
Save
Mark Applied
Hide
Principal Backend Engineer
New York, New York, United States
$135k-$217k/yr HybridFull Time
10+ YOE10+ years backend/data platform experience; Python, API design, AWS serverless; Databricks/PySpark; multi-tenant SaaS and data contracts; leadership without formal management.
Python, SQL, Databricks, PySpark, AWS serverless, Lambda, API Gateway, S3, DynamoDB, IAM, CloudFormation, SAM, MCP, CLI/API, MCP integrations, Orchestration
2mo
Save
Mark Applied
Hide
Principal Escalation Engineer
Charlotte or Jacksonville or New York City
$147k-$238k/yr RemoteFull Time
Senior escalation role requiring networking, troubleshooting, and customer management.
BGP, OSPF, Wireshark, VPNs, IPSec, SSL, TCP/IP
3mo
Save
Mark Applied
Hide
Principal Graphics Engineer
New York or United States
RemoteFull Time
Strong C/C++ systems programming, real-time graphics experience, shader programming, Linux internals, and familiarity with AI tooling; proven track record delivering complex graphics systems; independent senior contributor.
C/C++, Linux, OpenGL ES, WebGL, WebGPU, Vulkan, Metal, DirectX, Shader programming, GPU debugging, AI tooling and agents
3d
Save
Mark Applied
Hide
Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr HybridFull Time
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
1mo
Save
Mark Applied
Hide
Principal Engineer, Transmission System Planning (Hybrid Schedule)
Westwood or Hartford or Berlin
$151k-$168k/yr HybridFull Time
10+ YOEMaster's in engineering required, 10+ years transmission planning and simulation experience, advanced power system modeling skills, PE preferred, proficiency with PSSE/PSCAD and programming (Python/VBA).
PSSE, PSCAD, Microsoft Office 365, Word, Microsoft Excel, Visio, SharePoint, OneDrive, Python, VBA, ASPEN Oneliner, EMTP (ATP), TARA, PI Processbook, Electronic Medical Records (EMR)
1mo
Save
Mark Applied
Hide
Principal Engineer - Globaledit
New York, New York, United States
$180k-$200k/yr HybridFull Time
10+ YOE3+ Mgmt10+ years building production-grade SaaS platforms, 3+ years as a tech lead/principal, expert C# .NET/ASP.NET/XUnit, 4+ years with AWS services, frontend familiarity with React and TypeScript, Bachelor’s degree required.
C# .NET, ASP.NET, XUnit, API Gateway, EC2, Cognito, Lambda, RDS, S3, CloudFormation, DynamoDB, React, TypeScript, Postgres, Redis, Docker, Azure DevOps, PowerShell
Explore Jobs