HiringCafe
Join our community

46 principal software engineer jobs at 25 companies in Philadelphia, PA

1d
Save
Mark Applied
Hide
Principal Engineer, Software Engineering - eCommerce Applications
Conshohocken or Delaware or New Jersey
$111k-$221k/yr RemoteFull Time
Cencora
CencoraNYSE: COR: Distributes pharmaceuticals and provides global healthcare supply chain solutions.
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
Job PostingView all
3d
Save
Mark Applied
Hide
Tech Lead/ Principal Software Engineer
Plymouth Meeting, Pennsylvania, United States
$182k-$200k/yr OnsiteFull Time
Towne Park
Towne Park: Valet parking and hospitality services for hospitals and hotels.
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
3w
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Principal Software Engineer
Horsham or Markham or Canada
$128k-$178k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Moorestown, New Jersey, United States
$128k-$218k/yr OnsiteFull Time
ASRC Federal
ASRC Federal: Provides engineering and IT services to federal government agencies.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Software Engineer
Philadelphia, Pennsylvania, United States
HybridFull Time
Bentley Systems
Bentley SystemsNASDAQ: BSY: Software for designing, building, and operating global infrastructure.
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
Job PostingView all
3mo
Save
Mark Applied
Hide
Principal Software Engineer
Philadelphia, Pennsylvania, United States
$115k-$124k/yr OnsiteFull Time
City of Philadelphia
City of Philadelphia: Provides municipal services and governance to the city of Philadelphia.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Software Engineer - AI Engineer
Jersey City or Wilmington or Palo Alto
$204k-$285k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Embedded Software Engineer
Newark or Marlborough
$139k-$232k/yr HybridFull Time
Hologic
HologicNASDAQ: HOLX: Develops medical technology for women's healthcare and diagnostics.
12+ YOEExtensive embedded systems experience (RTOS, low-level firmware, device drivers), expert C/C++ and assembly skills, hardware/software integration, leadership and mentoring experience, familiarity with communication protocols (SPI, I2C, UART, CAN) and regulated medical device environments.
FreeRTOS, QNX, Zephyr, C, C++, Assembly, SPI, I2C, UART, CAN, Git, Perforce, Microsoft Azure DevOps, SVN, DICOM, HL7
Job PostingView all
1w
Save
Mark Applied
Hide
Principal Engineer, Platform Systems
Blue Bell or Boca Raton or Irving
$146k-$218k/yr HybridFull Time
ADT
ADTNYSE: ADT: Provides residential and commercial security and smart home services.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
Principal Engineer, Platform Systems
Blue Bell or Boca Raton or Irving
$146k-$218k/yr HybridFull Time
ADT
ADTNYSE: ADT: Provides electronic security, automation, and alarm monitoring services.
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
Job PostingView all
1mo
Save
Mark Applied
Hide
Principal Software Engineer - Subscription & Paywall Platforms
Princeton, New Jersey, United States
$240k-$290k/yr HybridFull Time
News Corp
News CorpNasdaq: NWSA: Global media, publishing, and digital information services.
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
Job PostingView all
3mo
Save
Mark Applied
Hide
Principal Transmission Engineer
Lansdale, Pennsylvania, United States
OnsiteFull Time
Westwood Professional Services
Westwood Professional Services: Engineering and design services for infrastructure and energy projects.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Principal Mechanical Engineer
Reading, Pennsylvania, United States
OnsiteFull Time
Worley
WorleyASX: WOR: Provides engineering and project delivery services for energy and resources.
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
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Principal Electrical Engineer
Reading or Charlotte or Kansas City
OnsiteFull Time
Worley
WorleyAustralian Securities Exchange: WOR: Global professional services for energy, chemicals, and resources sectors.
Extensive electrical engineering experience with project leadership, cost estimating, technical consulting, knowledge of standards, competency with electrical engineering software and Microsoft Office; BS/MS in engineering required; PE preferred.
Microsoft Office Suite
Job PostingView all
2d
Save
Mark Applied
Hide
Principal Engineer, Cloud & Data Platform
Mount Laurel, New Jersey, United States
RemoteFull Time
Chorus Healthcare, Inc.
Chorus Healthcare, Inc.: Delivering precision pharmacy services and advanced medication management.
15+ YOE15+ years in software, data, or infrastructure engineering; deep AWS, working Azure, Databricks, Python, SQL, infrastructure-as-code, CI/CD, APIs, and healthcare data experience preferred.
Amazon Web Services (AWS), Microsoft Azure, AWS CDK, Bicep, Terraform, Databricks, Apache Spark, Delta Lake, Unity Catalog, Delta Live Tables, Python, SQL, Git, HL7 FHIR, SMART on FHIR, OAuth 2.0, HL7 v2, NCPDP, EHR, IAM, CI/CD
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer
Philadelphia, Pennsylvania, United States
OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: Provides global telecommunications, media content, and entertainment services.
15+ YOEExtensive experience in Linux-based systems and C/C++/Golang/Python; knowledge of distributed systems, cloud-native/containerized environments, and carrier-grade network infrastructure; 15+ years relevant experience and Bachelor's degree preferred.
Linux, C, C++, Golang, Python, Docker, Kubernetes
Job PostingView all
2mo
Save
Mark Applied
Hide
Principal Software Development Engineer (IC4) - Network Region Build (NRB)
United States or Abilene or Austin or Nashville or Chicago or Pittsburgh or Philadelphia or Saline
$115k-$235k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
6+ YOEStrong software engineering in Python/Java/Go/Rust, networking fundamentals (BGP, TCP/IP, IPv6), experience with distributed systems, Git and CI/CD, Linux production environments; 6+ years experience.
Python, Java, Go, Rust, Git, GitHub Copilot, ChatGPT Enterprise, Oracle AI, Codex, YANG, OpenConfig, NETCONF, gNMI, OCI - DNS, TCP/IP
Job PostingView all

Explore Jobs

Expand Your Job Search