455 principal engineer jobs at 210 companies in Darien, CT
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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
1d
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Principal Engineer
Bloomfield or Spain
RemoteFull Time
10+ YOE10+ years' experience spanning product engineering and platform/SRE work. Requires expert React/TypeScript, distributed backend development, cloud architecture, Terraform, Docker, Kubernetes, CI/CD, systems design, observability, and testing.
React, TypeScript, Go, Python, GCP, AWS, Terraform, Docker, Kubernetes, GitHub Actions, GitLab CI, Prometheus, Grafana, Jaeger
3mo
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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
2w
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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
4w
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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)
2w
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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
2w
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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
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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
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Principal Engineer (Construction and Maintenance)
Newark, New Jersey, United States
FieldFull Time
7+ YOERequires a master's degree, P.E., or 7–10 years of relevant civil, mechanical, or electrical engineering experience involving water, wastewater, or stormwater projects. New Jersey driver's license required.
1mo
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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
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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
2mo
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Senior Principal Software Engineer
Totowa, New Jersey, United States
$145k-$247k/yr OnsiteFull Time
8+ YOEBS in Engineering +8 years experience (or equivalent); experience with C++, C#, Python, RTOS (RedHat/RTLinux); hands-on integration testing; leadership and SDLC familiarity; U.S. person and Secret clearance required.
C++, C#, Python, RedHat, RTLinux
2mo
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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
3mo
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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
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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
3mo
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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
1w
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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
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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
3w
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Principal Engineer - Vice President
Jersey City, New Jersey, United States
$142k-$213k/yr HybridFull Time
8+ YOEBachelor's degree or equivalent experience; 8+ years in software development, backend systems, data engineering, or cloud-native applications; expert Java and Python skills; hybrid-cloud data migration, pipelines, Docker, Kubernetes, AI models, and prompt engineering.
Java, Python, RESTful APIs, KAFKA, Kubernetes, AWS, Amazon S3, GCP, BigQuery, Gemini, OpenAI, Claude, Llama, PostgreSQL, Vector DBs, FastAPI, Docker
2mo
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Principal
New York City or White Plains
$180k-$220k/yr OnsiteFull Time
15+ YOEMaster’s degree in engineering; 15+ years in geotechnical engineering; NY PE; strong BD and project leadership; excellent communication; leadership of diverse teams.
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