Principal Software Engineer Jobs in Los Angeles, CA

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Principal Software Engineer - Embedded Systems

ConsultNet, LLC

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Hawthorne, California, USA

Full-time

Principal Software Engineer - Embedded Systems El Segundo area, CA Direct Hire $130k-$170k year Looking for an engineer to bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, embedded systems and networking. Role will focus on principal software engineering in the design and development of embedded systems. Define and implement scalable, modular, and maintainable embedded software architectures. Guide teams in developing firmware
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Posted 43 days ago | Updated 6 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 22 days ago | Updated 3 hours ago

Principal Software Engineer

AFLAC

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Remote

Full-time

Salary Range: $110,000 - $169,000 Job Posting End Date: 8/4/25 We've Got You Under Our Wing We are the duck. We develop and empower our people, cultivate relationships, give back to our community, and celebrate every success along the way. We do it all The Aflac Way . Aflac, a Fortune 500 company, is an industry leader in voluntary insurance products that pay cash directly to policyholders and one of America's best-known brands. Aflac has been recognized as Fortune's 50 Best Workplaces for Dive
Posted 60+ days ago | Updated 3 hours 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 26 days ago | Updated 26 days 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 12 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 3 hours ago

Principal, IT Software Engineer 2

DIRECTV Enterprises Inc.

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Remote or El Segundo, California, USA

Full-time

DIRECTV is seeking a Principal, IT Software Engineer 2 with a solid foundation in backend development and microservices/distributed systems for enterprise-scale applications. The engineer must be a motivated self-starter with a passion to understand customer needs and develop products/APIs that meet those needs. Key characteristics of this role include excellent strategic, analytical, and problem-solving skills along with the ability to lead and operate in a highly collaborative environment. The
Posted 2 days ago | Updated 6 hours ago

(USA) Principal, Software Engineer

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Our Platform Intelligence team is building Watchtower, a centralized operational hub built on Spotify Backstage that transforms how incident response and error correction work at massive scale. As a Principal Software Engineer, you'll architect and build the operational intelligence platform that thousands of engineers rely on during their most critical moments. Using React, TypeScript, Redis, PostgreSQL, and cutting edge AI, you'll create event driven systems that blend automat
Posted 6 hours ago

Apartments.com - Principal Software Engineer

Costar Group

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Orange, California, USA

Full-time

Apartments.com - Principal Software Engineer Job Description Overview CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real
Posted 60+ days ago | Updated 6 hours ago

(USA) Principal, Software Engineer, Information Security

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do About the Role As a Principal Software Engineer on our AI Security team, you will be a hands-on technical leader helping shape how we build, secure, and scale AI systems across the company. You will review and evolve our AI security standards, assess internal AI projects, and apply your deep technical background and threat landscape awareness to drive meaningful improvements to our security posture. This role requires a unique blend of security expertise, syst
Posted 1 day ago | Updated 6 hours ago

Principal Software Engineer - Warehouse Management Systems

CVS Health

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Rhode Island, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 4 days ago | Updated 6 hours ago

Software Principal Engineer

City National Bank

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Los Angeles, California, USA

Full-time

SOFTWARE PRINCIPAL ENGINEER WHAT IS THE OPPORTUNITY? The Principal Software Engineer plays a key role in City National Bank's Technology & Innovation division. As a Principal Software Engineer you will solve unique and complex problems that have a broad impact on the business. In addition, you will provide expertise and guidance in the daily activities of individual contributors or working teams to design, code, debug, test, document, implement and maintain complex business and client-facing app
Posted 20 days 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 11 days ago | Updated 6 hours ago

Principal Software Engineer

Microsoft Corporation

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Remote

Full-time

Azure is one of the fastest-growing businesses in Microsoft's history. The Azure Core team is at the heart of this growth, building and managing the foundational platform that powers compute, storage, and networking services. We're excited to offer you the opportunity to help shape the future of cloud computing-come join us and learn more! As a Principal Software Engineer on the Azure Boost Non-Volatile Memory Express solid-state drive (NVMe SSD) team, you will lead the design and implementatio
Posted 6 hours ago

Principal Software Engineer - Calypso (Hybrid Role)

Citizens Bank

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Remote or Woodbridge Township, New Jersey, USA

Full-time

Job Description 3 Days Hybrid from any of our locations in RI, Iselin NJ, MA, Charlotte NC, Pittsburgh PA, Dallas TX or Phoenix AZ Role is not relocation eligible. Responsibilities Your role as Calypso Principal Software Engineer is to work with engineering teams and architecture to produce high-quality technology solutions. You will be given the autonomy to lead, design and develop innovative solutions to some of the biggest technical issues facing the banking industry. As Principal, you will
Posted 2 days ago | Updated 6 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 13 days ago | Updated 6 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 23 days ago | Updated 6 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 58 days ago | Updated 6 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 47 days ago | Updated 6 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 41 days ago | Updated 6 hours ago