199 principal software engineer jobs at 103 companies in Lynbrook, NY
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Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
8+ YOE8+ years backend software engineering; degree or equivalent; cloud, IaC, CI/CD; APIs; strong communication; leadership.
TypeScript, Node.js, PostgreSQL, Angular, AWS, Terraform, Elasticsearch, CI/CD, SASS
3mo
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Principal Software Engineer
Boulder or New York City
$200k-$240k/yr HybridFull Time
10+ YOE10+ years software engineering; 5+ years adtech infrastructure; backend focus; experience with AI tooling; distributed systems; OpenRTB knowledge.
Java, Kafka, Redpanda, AWS, Databricks, Datadog, ONYX
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
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
1d
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or 4+ years of work experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, software architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
1d
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Data Platform Principal Software Engineer
Jersey City, New Jersey, United States
$204k-$285k/yr OnsiteFull Time
7+ YOERequires formal software engineering training or certification, 7+ years of applied experience in applicable regions, system design and development expertise, programming proficiency, cloud-native experience, and agentic AI workflow leadership.
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
1mo
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Principal Software Engineer
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$235k-$414k/yr OnsiteFull Time
10+ YOE10+ years software development experience, technical leadership experience, BS in a technical field (or equivalent), experience architecting distributed systems, strong software design and debugging skills, proficiency using AI tools and modern engineering workflows.
2w
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Principal Software Engineer
New York City, New York, United States
$277k-$390k/yr HybridFull Time
10+ YOE10+ years infrastructure software engineering experience; expertise in control-plane architecture, API design, observability, Kubernetes, and strong communication skills.
Apache Airflow, Prometheus, OpenTelemetry, Grafana, Kubernetes, Helm, Etcd, Consul, PostgreSQL, Go, Python, TypeScript, REST, gRPC, Red Hat OpenShift
1d
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
6+ YOEBachelor's degree or equivalent experience and 6+ years of relevant experience. Requires Java, Spring Boot, JavaScript/TypeScript, React, software architecture, microservices, REST APIs, and distributed systems expertise.
Java, Spring Boot, React, JavaScript, TypeScript, Apigee, Kibana, GIT, Jenkins, AWS, GCP, Azure, Docker, Kubernetes, Kafka, SQS, Kinesis, RabbitMQ, Redis
2mo
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Principal Software Engineer
United States or Canada or Columbus or Austin or San Francisco or New York City
$191k-$264k/yr RemoteFull Time
8+ YOEBachelor's or equivalent and 8+ years software engineering experience; designing and operating large-scale distributed systems, relational schemas, APIs, auth/RBAC; partnering with risk/compliance/operations teams.
TypeScript, Node.js, Next.js, Prisma, SOC 2, NIST CSF
2mo
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Principal Software Engineer
New York City or United States
$175k/yr RemoteFull Time
10+ YOE10+ years software engineering, deep AWS production experience, TypeScript/Node.js with Next.js/React, advanced PostgreSQL, event-driven systems, infrastructure-as-code (Terraform, CDK, OpenTofu), production ownership and on-call experience.
AWS Lambda, AWS Step Functions, Amazon ECS Fargate, SQS, EventBridge, Amazon RDS, Amazon S3, IAM, TypeScript, Node.js, Next.js, React, PostgreSQL, Go, Python, Terraform, CDK, OpenTofu, Cursor, Claude Code, Bedrock, OpenAI, Anthropic
2mo
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Principal Software Engineer
Toronto or California or Colorado or Illinois or New York or Washington or New York City
$184k-$276k/yr RemoteFull Time
8+ YOE8+ years software engineering experience (3+ years senior/staff leadership), proven large-scale distributed systems design, microservices/event-driven expertise, proficiency in Java/Kotlin/Go, cloud infrastructure experience preferred, BS in CS or equivalent.
Java, Kotlin, Go, AWS, GCP, Azure
1w
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(USA) Principal, Software Engineer
Hoboken, New Jersey, United States
$132k-$264k/yr HybridFull Time
5+ YOERequires bachelor's degree and 5 years of software engineering experience, or 7 years of experience. Expertise in cloud-native architecture, AI/ML, distributed systems, and software lifecycle leadership.
Python, Java, C++, Web Content Accessibility Guidelines (WCAG) 2.2 AA
1mo
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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
4w
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Principal Software Engineer
Redmond or Mountain View or New York
$143k-$275k/yr HybridFull Time
6+ YOEBachelor's in CS or related and 6+ years engineering experience (or equivalent), coding in .Net/Java/JavaScript/Rust/Python; experience with distributed systems, AI evaluation, and reliability engineering.
.Net, Java, JavaScript, Rust, Python
1mo
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Principal Software Engineer
New York City, New York, United States
$275k-$300k/yr OnsiteFull Time
Deep experience designing and scaling complex software systems, strong product and operational judgment, and ability to apply AI to redesign workflows across insurance functions.
React, React Native, TypeScript, Python, Postgres
3mo
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Principal Engineer
Lakewood, New Jersey, United States
$220k-$270k/yr HybridFull Time
5+ YOE5 years software engineering; healthcare data infra; EHR/healthcare integration; HIPAA; cloud platforms; APIs; FHIR/HL7; AI/ML in production.
AWS, Azure, GCP, APIs, EHR systems, FHIR, HL7
1mo
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Principal Software Engineer
New York City or Richmond
OnsiteFull Time
10+ YOE10+ years software development experience; expertise in TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin; experience with PostgreSQL/MongoDB, CI/CD, and platform architecture; bachelor’s degree or equivalent.
TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin, PostgreSQL, MongoDB, CI/CD
1w
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Senior Principal Software Engineer
Totowa, New Jersey, United States
$145k-$247k/yr OnsiteFull Time
8+ YOEBachelor's degree in computer science, computer engineering, or related field; 8+ years of experience; software development and testing expertise; active Secret clearance; U.S. citizenship required.
C++, C#, C, Python, Ruby, Perl, JavaScript, Git, JIRA, Confluence, Bitbucket, Docker, Kubernetes, JSON, Java, GoogleTest, Shell, Windows, Unix, Linux, Agile Development, DevSecOps
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