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207 sr principal software engineer jobs at 107 companies in Middletown, NJ

3mo
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Principal Software Engineer
Atlanta or Boston or Morristown or Plano or St. Louis or St. Petersburg or Hyderabad
HybridFull Time
Zelis
Zelis: Providing healthcare payment and claims cost management solutions.
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
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2w
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Principal Software Engineer
Bronx, New York, United States
$200k-$220k/yr HybridFull Time
Essen Health Care
Essen Health Care: Private multispecialty medical group providing integrated healthcare services.
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
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2mo
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Senior Principal Software Engineer
Totowa, New Jersey, United States
$145k-$247k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
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
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1w
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
Verizon
VerizonNYSE: VZ: Provides wireless, broadband, and telecommunications services to customers.
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
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1w
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Data Platform Principal Software Engineer
Jersey City, New Jersey, United States
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
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.
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1d
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Let's begin! Principal Software Engineer (14868)
New York City, New York, United States
$192k-$278k/yr OnsiteFull Time
Moody's
Moody'sNYSE: MCO: Provides credit ratings, financial research, and risk management software.
12+ YOE5+ Mgmt12+ years of software engineering experience, including 5+ years leading engineering teams; expertise in AI platforms, LLMs, cloud-native architecture, production operations, and technical strategy.
TypeScript, Python, C#, large language models, retrieval augmented generation, orchestration frameworks, vector databases, NoSQL, serverless applications
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3w
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Principal Engineer - UI
Pittsburgh or New York City
$160k-$200k/yr HybridFull Time
American Eagle Outfitters
American Eagle OutfittersNYSE: AEO: Global specialty retailer of high-quality clothing and accessories
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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1d
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Principal Software Engineer
New York City, New York, United States
$192k-$278k/yr OnsiteFull Time
Moody's Corporation
Moody's CorporationNYSE: MCO: Global integrated risk assessment firm and provider of financial analytics.
12+ YOE5+ Mgmt12+ years of software engineering experience and 5+ years leading engineering teams; expertise in AI, LLM applications, cloud-native architecture, production-scale systems, and technical strategy.
TypeScript, Python, C#, large language models, retrieval augmented generation, orchestration frameworks, serverless applications, relational databases, NoSQL, vector databases, automated testing, machine learning operations
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3w
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Principal Software Engineer
Trenton, New Jersey, United States
$106k-$142k/yr OnsiteFull Time
NFI Industries
NFI Industries: A transportation and logistics providing supply chain and freight solutions and developing digital twin capabilities.
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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1w
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Principal Engineer-Software Development
Irving or Alpharetta or Ashburn or Temple Terrace or Basking Ridge
$121k-$231k/yr HybridFull Time
Verizon
VerizonNYSE: VZ: Provides wireless, fiber-optic internet, and telecommunications services globally.
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
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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
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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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3w
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Principal Software Engineer
New York City, New York, United States
$277k-$390k/yr HybridFull Time
Astronomer
Astronomer: Managed data orchestration platform powered by Apache Airflow.
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
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1mo
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Principal Software Engineer
Downers Grove or Willingboro
$140k-$180k/yr OnsiteFull Time
Radwell International
Radwell International: A that supplies and distributes industrial and automation equipment to businesses.
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
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2d
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Principal, Software Engineer
Bentonville or Arkansas or San Francisco or New York City or New Jersey or United States
$110k-$220k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Operates a chain of hypermarkets, discount stores, and grocery stores.
5+ YOEBachelor's degree plus 5 years or 7 years of software engineering experience; expertise in JavaScript/TypeScript, frontend frameworks, APIs, distributed systems, cloud platforms, testing, and technical leadership.
JavaScript, TypeScript, React, Vue, Angular, React Router, Redux, Node.js, GraphQL (GQL), Azure, Google Cloud Platform, Selenium, Microsoft Azure, CI/CD, Software Development Life Cycle (SDLC), Web Content Accessibility Guidelines (WCAG)
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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
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
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
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3d
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Principal Software Engineer
Totowa, New Jersey, United States
$129k-$219k/yr OnsiteFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
6+ YOEBachelor’s degree in computer science, computer engineering, or related field; 6+ years’ experience; software development, Agile, testing, source control, JIRA, Confluence, and Bitbucket experience; U.S. citizenship required.
C++, C#, C, Python, Ruby, Perl, JavaScript, Git, JIRA, Confluence, Bitbucket, Docker, Kubernetes, JSON, Java, GoogleTest, Shell
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2mo
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Principal Software Engineer
New York City or United States
$175k/yr RemoteFull Time
Jahnel Group
Jahnel Group: Software development consultancy providing web, mobile, and AI solutions.
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
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1mo
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Founding Principal Engineer
New York City, New York, United States
$200k-$240k/yr HybridFull Time
Handspring
Handspring: Providing specialized mental health care for children and families.
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
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1mo
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Principal Software Engineer
Redmond or Mountain View or New York
$143k-$275k/yr HybridFull Time
Microsoft
MicrosoftNASDAQ: MSFT: Develops software, services, devices, and cloud computing solutions.
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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1mo
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Principal Software Engineer
New York City, New York, United States
$275k-$300k/yr OnsiteFull Time
Arlo
Arlo: AI-powered health insurance platform providing level-funded plans for businesses.
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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