170 principal software engineer jobs at 92 companies in Ridgefield, CT
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Principal Software Engineer
New York or Santa Monica
$188k-$265k/yr HybridFull Time
10+ YOE10+ years in software engineering with architecture and distributed systems; cloud (AWS); Java/Python; microservices; API design; hands-on coding.
AWS, S3, DynamoDB, Kinesis, Kafka, Java, Python, API Design, Microservices, Distributed Systems, Cloud
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
2mo
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Principal Software Engineer
New York or Santa Monica
$197k-$265k/yr HybridFull Time
10+ YOE10+ years in software engineering with architecture and distributed systems; BS in CS/IS/ENG or related field; strong cloud, microservices, API design; proficient in Java/Python; hands-on coding; excellent communication.
AWS, S3, DynamoDB, Kinesis, SQS, Kafka, Java, Python, Microservices, APIs, Data modeling, Design patterns
2d
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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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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
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr OnsiteFull Time
5+ YOEBachelor's + 7+ years software engineering or advanced degree + 5+ years; experience designing, developing, testing and deploying scalable, reliable software for manufacturing; leadership, mentoring, and cross-functional collaboration.
Ignition, deviseWISE, Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, Test-Driven Development, Agile & Scrum, CI/CD Pipelines, RESTful API Design, Java, C++, NET, Scala, Lua, Python, SQL
3w
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Principal Software Engineer
Jersey City or Houston
$204k-$285k/yr OnsiteFull Time
7+ YOE7+ years software engineering experience, enterprise system design, production AI/ML and LLM systems, strong Python/Java skills, cloud-native experience, data engineering and observability expertise.
Python, Java, Kafka, Redis, MemCached, Dynatrace, Splunk, Grafana, Airflow, Temporal, Databricks, Snowflake, Spark, PySpark, Apache Iceberg, AWS, Azure, GCP, AWS Bedrock, Azure OpenAI
3w
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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.
1w
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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
1w
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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
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
1mo
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Principal Software Engineer
Warsaw or Fridley or Mounds View or Brooklyn Park or Fort Worth or North Haven or Jacksonville or Boston or Lafayette
$153k-$229k/yr HybridFull Time
5+ YOEBachelor’s degree + 7+ years software engineering or advanced degree + 5+ years; experience designing and developing scalable systems for manufacturing operations; mentoring, requirements capture, database architecture, CI/CD, and cross-functional collaboration; ability to travel 25%.
Ignition, deviseWISE, Microsoft Azure, AWS, Docker, Kubernetes, Jenkins, Terraform, React, Angular, Node.js, ASP.NET, HTML5, CSS3, WebAPI, Microservices Architecture, CI/CD Pipelines, RESTful API Design, Java, C++, .NET, Scala, Lua, Python, SQL
1mo
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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
3d
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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
2w
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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
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
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
17h
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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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