Principal Software Engineer Jobs in Pennsylvania

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Principal Software Engineer - Real Time Systems

Aduril Industries

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Pittsburgh, Pennsylvania, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 60+ days ago | Updated 3 hours ago

Principal Software Engineer - Cloud Engineering (Remote)

Publix

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Remote or Lakeland, Florida, USA

Full-time

Publix Super Markets, Inc. is the largest privately-owned food retailer in the nation with more than 1,200 stores and more than 200,000 associates throughout the Southeast. We are associate-owned, proud of our family atmosphere, and consistently named as one of the best companies to work for in America. We are largely debt-free and renowned for our financial performance as well as our premier customer service. Publix?s Information Services (I/S) department is located in Lakeland, Florida and Alp
Posted 16 days ago | Updated 1 hour ago

Principal Software Engineer / Ruby

Decisiv

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Remote

Full-time

REMOTE Position Decisiv is seeking a Principal Software Engineer to lead the architecture, scalability, and interoperability of our growing platform. As technology landscapes shift, our platform must evolve to handle increasing data demands, automation, and intelligent decision-making while maintaining reliability and flexibility. As a Principal Engineer, you will define long-term technical strategy, guide cross-team architecture, and mentor engineers, ensuring our platform continues to adapt to
Posted 20 days ago | Updated 20 days ago

Principal Software Engineer - Virtual Cloud Networking DataPlane

Oracle Corporation

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Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly le
Posted 43 days ago | Updated 3 hours ago

Principal Software Engineer - Virtual Cloud Networking Dataplane

Oracle Corporation

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Remote

Full-time

Job Description At Oracle Cloud Infrastructure (OCI), we build the future of the cloud for Enterprises as a diverse team of fellow creators and inventors. We act with the speed and attitude of a start-up, with the scale and customer-focus of the leading enterprise software company in the world. Values are OCI's foundation and how we deliver excellence. We strive for equity, inclusion, and respect for all. We are committed to the greater good in our products and our actions. We are constantly l
Posted 60+ days ago | Updated 3 hours ago

Frontend Principal Software Engineer

GCS

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Remote

Contract

We re looking for a skilled Frontend Engineer (can be 100% remote) with strong Angular experience to join the team behind a leading vendor-agnostic, enterprise-grade broadband network monitoring and optimization platform. Used by top-tier global operators, this suite helps monitor and enhance DOCSIS and fiber network performance across millions of connected devices. This is a hands-on engineering role focused on building scalable, reusable UI components and powerful data visualizations that enab
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Posted 5 days ago

Principal Software Engineer - REMOTE

DriveTime

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Remote or Tempe, Arizona, USA

Full-time

What's Under the Hood DriveTime Family of Brands is the largest privately owned used car sales finance & servicing company in the nation. Headquartered in Tempe, Arizona and Dallas, Texas, we create opportunities and improve the lives of our customers and our employees by placing a focus on putting the right customer, in the right vehicle, on the right terms and on their path to ownership. The DriveTime Family of Brands spans across DriveTime, Bridgecrest and SilverRock. You can find us at th
Posted 60+ days ago | Updated 1 hour ago

Principal, Software Engineer

Walmart Inc.

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Remote or Sunnyvale, California, USA

Full-time

Position Summary What you'll do Are you passionate about applying cutting-edge GenAI technology to revolutionize customer service? Do you dream of playing a technical leadership role that will shape the future of the customer service experience at Walmart's scale? If you possess exceptional technical expertise, curiosity, and a desire to build scalable products with GenAI, this opportunity may be for you. As a Principal Software Engineer with the Customer Engagement Services Technology team,
Posted 4 hours ago

Principal Software Engineer

Amgen Inc

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Remote or Thousand Oaks, California, USA

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pati
Posted 10 days ago | Updated 3 hours ago

(USA) Principal, Software Engineer

Walmart Inc.

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Remote or Bellevue, Washington, USA

Full-time

Position Summary What you'll do **Immigration sponsorship is not available in this role** Join our innovative and dynamic People Technology engineering team as a Principal Software Engineer. In this role, you'll play a crucial part in designing, developing, and implementing digital solutions that address mission-critical business challenges, supporting Walmart associates. Your projects will make a significant impact, be scalable, and drive Walmart's modernization efforts in the People Technol
Posted 5 days ago | Updated 4 hours ago

Principal, Software Engineer - Full-Stack

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the
Posted 7 days ago | Updated 4 hours ago

Principal, Software Engineer

Walmart Inc.

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Remote or Bellevue, Washington, USA

Full-time

Position Summary Are you passionate about applying cutting-edge GenAI technology to revolutionize customer service? Do you dream of playing a technical leadership role that will shape the future of the customer service experience at Walmart's scale? If you possess exceptional technical expertise, curiosity, and a desire to build scalable products with GenAI, this opportunity may be for you. As a Principal Software Engineer with the Customer Care Technology team, you will play a pivotal role in
Posted 36 days ago | Updated 4 hours ago

Principal Software Engineer, Virtual Economy Platform

Roblox

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Remote or San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 17 days ago | Updated 4 hours ago

Principal Software Engineer Full Stack

Johnson & Johnson

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Remote or Raritan, New Jersey, USA

Full-time

At Johnson & Johnson, we believe health is everything. Our strength in healthcare innovation empowers us to build a world where complex diseases are prevented, treated, and cured, where treatments are smarter and less invasive, and solutions are personal. Through our expertise in Innovative Medicine and MedTech, we are uniquely positioned to innovate across the full spectrum of healthcare solutions today to deliver the breakthroughs of tomorrow, and profoundly impact health for humanity. Learn m
Posted 52 days ago | Updated 4 hours ago

Principal Software Engineer, Anaplan Lead

Amgen Inc

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Remote

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pat
Posted 41 days ago | Updated 3 hours ago

Principal, Software Engineer - Front-End UI Engineer

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmarts Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the
Posted 7 days ago | Updated 4 hours ago

Principal Software Engineer, TensorRT-LLM

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

We are now looking for a Principal Software Engineer, TensorRT-LLM ! NVIDIA is hiring experienced principal software engineer for its TensorRT-LLM team. Academic and commercial groups around the world are using GPUs to power a revolution in AI, enabling breakthroughs in areas like content creation, code generation and information synthesis, that have put AI on the precipice of an "iPhone moment". Join the team building the AI serving software which is foundational to product lines within NVIDIA
Posted 35 days ago | Updated 3 hours ago

Principal Software Engineer (Onsite)

RTX Corporation

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State College, Pennsylvania, USA

Full-time

Date Posted: 2025-06-09 Country: United States of America Location: PA602: 302 Science Park Road, Bldg 5C 302 Science Park Road Building 5C, State College, PA, 16803-2214 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph At Raytheon, the foundation of everything we do is rooted in our values and a higher calling
Posted 40 days ago | Updated 3 hours ago

Principal Software Engineer - Remote

UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health op
Posted 7 days ago | Updated 4 hours ago

(USA) Principal, Software Engineer

Walmart Inc.

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Remote or Dallas, Texas, USA

Full-time

Position Summary Join Walmart|VIZIO and take your career to the next level! Our team owns the Bluetooth stack development and owns support for Vizio TVs. We are working on next generation of OS HAL platform for future TVs. We are a dynamic group passionate about media and Bluetooth technologies. We use cutting edge software/hardware tools including latest modern C/C++ development. This role will utilize architecture and design for Bluetooth on Linux based TV OS as well as porting audio and appli
Posted 60+ days ago | Updated 4 hours ago