205 principal software engineer jobs at 116 companies in Flemington, NJ
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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
2mo
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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
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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
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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
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
1w
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Principal Software Engineer
Trenton, New Jersey, United States
$106k-$142k/yr OnsiteFull Time
7+ YOEBachelor's in Information Systems/Computer Science/Engineering, 7+ years engineering or software development experience, strong Python and SQL skills, test-driven development, communication, autonomous work, project leadership.
Python, SQL, Supply Chain Guru, Llama.ai, NextMV, Gains, Sophus, Starboard, Optilogic, TMOD, Go
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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
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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
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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.
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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
2d
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Principal Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
12+ YOE12+ years in 3D runtime or game engine development; expert C++17/20/23, graphics APIs, 3D algorithms, and performance optimization. BS/MS in computer science or software engineering preferred or equivalent experience.
C++, Vulkan, DirectX 12, Metal, Unreal Engine, Unity, NVIDIA Omniverse, glTF, 3D Tiles
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Principal Software Engineer
Downers Grove or Willingboro
$140k-$180k/yr OnsiteFull Time
15+ YOE15+ years software engineering with enterprise architecture, cloud (Azure) modernization, microservices, eCommerce, AI/LLM production experience, and strong people mentoring and technical leadership.
React.js, Next.js, TypeScript, C#, .NET Core, Java, Python, Go, Kafka, Azure Service Bus, Event Hub, Cloudflare, Akamai, Azure Front Door, SQL Server, PostgreSQL, Redis, Cosmos DB, MongoDB, AKS, Azure App Service, Azure Functions, Azure SQL, Key Vault, Azure AD/Entra ID, Azure Monitor, Terraform, Bicep, Azure DevOps, GitHub Actions, Helm, Open Telemetry, Application Insights, Jaeger, Grafana, Prometheus, k6, JMeter, Azure Load Testing, Pinecone, Weaviate, pgvector, OpenAI, Anthropic, Gemini, LangChain, LangGraph, CrewAI, Playwright, Cypress, Pact, OAuth 2.0, OpenID Connect, Azure Data Factory, Azure Databricks
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
2d
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Principal Software Engineer
Horsham or Markham or Canada
$128k-$178k/yr OnsiteFull Time
8+ YOEUniversity degree in electrical engineering or computer science; 8+ years embedded software experience, 5+ years optical networking experience, expert C/C++, networking protocols, Agile, DevOps, and embedded Linux.
LLDP, OSPF, BGP, C, C++, CI/CD, DevOps, SONiC, FRRouting, Open vSwitch, Netconf, Open Config, Yang models, ROADM, ILA, Go, Python, Embedded Linux, ISO 9000, ISO 9001, ISO 14001
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
Moorestown, New Jersey, United States
$128k-$218k/yr OnsiteFull Time
8+ YOEBachelor's in engineering/computer science or equivalent, U.S. citizenship, ability to obtain Secret clearance, 8+ years software development experience in real-time/mission systems, experience with Java, C++, or Python, Linux/UNIX, and IDEs.
Java, C++, Python, Linux, UNIX, Eclipse, UML, Clearcase, JIRA, xUnit, Junit, CPPUnitLite, Assemblers
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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
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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
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