52 principal software engineer jobs at 30 companies in Wyncote, PA
3d
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Principal Engineer, Software Engineering - eCommerce Applications
Conshohocken or Delaware or New Jersey
$111k-$221k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years in software engineering, including 3+ years in a principal, staff, lead, or equivalent role. Requires enterprise eCommerce experience and proficiency with modern architectures, programming, cloud, security, and DevSecOps.
Microservices, RESTful APIs, Java, C#, JavaScript, TypeScript, Python, Azure, AWS, Google Cloud, CI/CD, DevSecOps, Adobe Commerce, Magento, Salesforce Commerce Cloud, SAP Commerce Cloud, Shopify Plus, Adobe Experience Manager, Sitecore, Azure API Management, Okta, Azure AD, Auth0, Kubernetes
5d
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Tech Lead/ Principal Software Engineer
Plymouth Meeting, Pennsylvania, United States
$182k-$200k/yr OnsiteFull Time
8+ YOE2+ MgmtBachelor's degree in a technical field, 8+ years developing enterprise software, and 2+ years leading engineering teams. Requires Azure, .NET/C#, Angular or React, SQL Server, NoSQL, REST APIs, Agile, and secure development experience.
Microsoft Azure, .NET, C#, Angular, React, SQL Server, REST APIs, Claude Code, GitHub Copilot, Cursor, OWASP, Python, Next.js, LLM, MCP
2w
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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
3w
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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
23h
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Principal Software Engineer
Plano or Boston or Portsmouth or Indianapolis or Columbus or United States or Los Angeles or Philadelphia or San Francisco
$137k-$257k/yr HybridFull Time
8+ YOERequires 8+ years of software engineering experience, enterprise architecture and technical leadership, distributed systems expertise, cloud-native development, and proficiency with JavaScript/TypeScript, React, Node.js, and related tools.
JavaScript, TypeScript, React, Node.js, Next.js, Java, HTML/CSS, Micro Frontends, AWS, CDK, GitHub Actions, OAuth 2.0, OpenID Connect, OWASP Top 10, Playwright, JMeter, Datadog, Splunk, Bridgeway, MFE, CI/CD, DevOps, SecOps, Generative AI
1d
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Principal Software Engineer/Principal AI Engineer
Philadelphia or Massachusetts
$115k-$192k/yr RemoteFull Time
10+ YOE10+ years software engineering experience with hands-on enterprise AI systems taken to production; BS in engineering or computer science required, advanced degree preferred; expertise in LLMs, cloud, integration, architecture, and delivery.
Microsoft?
1w
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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
1d
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Principal Software Engineer/Principal AI Engineer
Philadelphia or Massachusetts
$115k-$192k/yr RemoteFull Time
10+ YOE10+ years of software engineering experience with enterprise AI systems, production delivery, cloud platforms, LLMs, APIs, data pipelines, architecture, Agile, CI/CD, TDD, and technical leadership. BS in engineering or computer science required.
Microsoft Azure, AWS, Google Cloud Platform, Python, Java, TypeScript, JavaScript, SQL, MCP, RAG, CI/CD, TDD, APIs
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
1mo
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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++ (C++17/20/23), graphics APIs (Vulkan, DirectX 12, Metal), engine integrations, profiling/optimization, and strong communication.
C++17, C++20, C++23, Vulkan, DirectX 12, Metal, Unreal Engine, Unity, NVIDIA Omniverse, glTF, 3D Tiles
1mo
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Software Engineer Principal
Sioux Falls or Scottsdale or Louisville or Troy or Franklin or Easton
$104k-$174k/yr RemoteFull Time
8+ YOEBachelor's or equivalent, typically 8+ years technical experience (6+ in software design), experience with .NET/C#/ASP.NET and related stack, Agile knowledge, cloud (Azure/AWS) preferred, strong communication and mentoring skills.
.NET, C#, ASP.NET, MVC, Classic ASP, VB Script, Entity Framework, WPF, JavaScript, IIS, HTML, CSS, XML/XSLT, MSMQ, NServiceBus, Microsoft Visual Studio, Microsoft Team Foundation Server, Git, Microsoft Azure DevOps, Microsoft Azure, AWS
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
3mo
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Principal Software Engineer
Philadelphia, Pennsylvania, United States
$115k-$124k/yr OnsiteFull Time
3+ YOEBachelor’s degree or equivalent; 3+ years in .NET/C# web development; SQL and database experience; public sector/government experience a plus.
C#, SQL, SQL Server, Oracle, PostgreSQL, MySQL, .NET, FAST/GenTax
1mo
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Principal Software Engineer - AI Engineer
Jersey City or Wilmington or Palo Alto
$204k-$285k/yr OnsiteFull Time
7+ YOE7+ years software engineering experience; strong Python and PyTorch/TensorFlow; experience with vector storage, agentic AI and LLM deployment, MLOps and CI/CD, cloud (AWS or Azure); leadership and responsible AI practices.
Python, PyTorch, TensorFlow, Vector storage systems, CI/CD, MLOps, AWS, Azure, LLM Suite
2w
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Principal Engineer, Platform Systems
Blue Bell or Boca Raton or Irving
$146k-$218k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent experience and 10+ years of software engineering experience. Requires distributed systems, cloud-native architecture, cross-team technical leadership, direct implementation, and communication expertise.
Java, Spring, TypeScript, JavaScript, Kotlin, Swift, Python, C, C++, AWS, GCP, Docker, Kubernetes, CI/CD
1mo
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Principal Software Engineer - Subscription & Paywall Platforms
Princeton, New Jersey, United States
$240k-$290k/yr HybridFull Time
Dow JonesNASDAQ: NWSA: A global news and business information provider delivering content across print, digital, mobile and live events.
12+ YOE12+ years software engineering experience with large-scale platform architecture; expertise in full-stack development, subscription/paywall systems, cloud-native architectures, APIs, databases, and applied ML for subscriptions.
React, Angular, TypeScript, NodeJS, SQL, NoSQL
2w
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Principal Engineer, Platform Systems
Blue Bell or Boca Raton or Irving
$146k-$218k/yr HybridFull Time
10+ YOEBachelor's degree or equivalent experience and 10+ years of software engineering experience. Requires distributed systems, cloud-native architecture, cross-team technical leadership, hands-on implementation, communication, and mentoring expertise.
Java, Spring, TypeScript, JavaScript, Kotlin, Swift, Python, C, C++, AWS, GCP, Docker, Kubernetes
1mo
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Principal Software Engineer - Subscription & Paywall Platforms
Princeton, New Jersey, United States
$240k-$290k/yr HybridFull Time
12+ YOERequires 12+ years of software engineering experience, large-scale platform architecture and technical leadership, subscription/paywall expertise, full-stack development, distributed systems, cloud architectures, and cross-team technical influence.
React, Angular, TypeScript, NodeJS, SQL, NoSQL, AI, machine learning
3mo
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Principal Transmission Engineer
Lansdale, Pennsylvania, United States
OnsiteFull Time
10+ YOESupervisor of technical staff with 10+ years in power transmission design; ABET-accredited degree in Civil/Structural or Electrical Engineering; PE licensure; proficient in industry software.
PLS-CADD, MFAD, AutoCAD, Microsoft Office
2mo
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Senior Principal Mechanical Engineer
Reading, Pennsylvania, United States
OnsiteFull Time
Extensive mechanical engineering experience with project leadership, cost estimating and proposal writing; competent with engineering software and MS Office; bachelor’s in mechanical engineering required; PE preferred.
Microsoft Office
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