Principal Software Engineer Jobs in Los Angeles, CA

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Principal Analyst Support Engineer

RTX Corporation

•

Fullerton, California, USA

Full-time

Date Posted: 2025-05-15 Country: United States of America Location: CA531: Fullerton, CA Bldg 676 1801 West Hughes Drive Building 676, Fullerton, CA, 92834 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: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our
Posted 16 days ago | Updated 2 hours ago

Principal Mechanical Design Engineer, Tooling

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 24 days ago | Updated 2 hours ago

Principal Mechanical Design Engineer, Factory Automation

Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 24 days ago | Updated 2 hours ago

Software Engineer V / Sr. Principal Engineer

Medifast, Inc.

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Remote or Baltimore, Maryland, USA

Full-time

About the Opportunity At Medifast, our team members are relentless in our mission of driving Lifelong Transformation, Making a Healthy Lifestyle Second Nature . When you join Medifast, you become part of a dynamic, fast-growing community of highly motivated, like-hearted people who share a passion for promoting health and wellness. Just as OPTAVIA Coaches inspire Clients to reach their personal wellness goals, at Medifast, we inspire each other to bring our best to work each day to further our s
Posted 32 days ago | Updated 11 hours ago

Principal Kernel Ransomware Engineer

Request Technology, LLC

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Remote

Full-time

We are unable to sponsor for this permanent full-time role Position is bonus eligible Prestigious Enterprise Security Services Company is currently seeking a Principal Kernel Ransomware Engineer. Candidate will contribute to the Windows agents ability to prevent, detect, respond, and remediate attacks. In this role, you will drive enhancements in multiple product domains. This development will allow the product to better protect customers from the threat of ransomware. Responsibilities: Develops
Easy Apply
Posted 35 days ago | Updated 1 day ago

Staff Software Engineer, Flight Software

Relativity Space

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Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 2 hours ago

LoopNet - Lead Software Engineer

Costar Group

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Orange, California, USA

Full-time

LoopNet - Lead Software Engineer Job Description Job Description 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 esta
Posted 33 days ago | Updated 2 hours ago

Principal Software Developer

General Dynamics

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Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: Other Job Family: Software Development Job Qualifications: Skills: JavaScript, Microservices Architecture, RESTful Web Services, Software Development, Spring Boot Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: Principal Software Developer We value: Writing code rather than documentsShipp
Posted 19 days ago | Updated 2 hours ago

Principal Platform Software Engineer - OpenBMC Platform Architect

NVIDIA Corporation

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Remote or Santa Clara, California, USA

Full-time

NVIDIA's invention of the GPU in 1999 fueled the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI - the next era of computing - with the GPU acting as the brain of computers, robots, and self-driving cars that can perceive and understand the world. Today, we are increasingly known as "the AI computing company." We're looking to grow our company, and form teams with the most inquisitive pe
Posted 60+ days ago | Updated 2 hours ago

Principal Antenna Engineer (Starshield)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. PRINCIPAL ANTENNA ENGINEER (STARSHIELD) Starshield leverages SpaceX's Starlink technology and launch capability to support national security efforts. While Starlink is designed for consumer and commercial use, Starshi
Posted 60+ days ago | Updated 2 hours ago

Principal Automation & Controls System Engineer

Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 2 hours ago

Sr Principal Automation & Controls System Engineer

Relativity Space

•

Long Beach, California, USA

Full-time

At Relativity Space, we're building rockets to serve today's needs and tomorrow's breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But that's just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond the known. Joining Relativity means becoming part of something where autonomy, ownership, and impact ex
Posted 60+ days ago | Updated 2 hours ago

Remote Senior / Principal Software Developer (Full Stack)- Healthcare AI

Oracle Corporation

•

Remote

Full-time

Job Description Job Description: Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to th
Posted 3 days ago | Updated 2 hours ago

Principal Software Developer(hybrid)

Oracle Corporation

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Remote or Nashville, Tennessee, USA

Full-time

Job Description As a member of the software engineering division, you will apply basic to intermediate knowledge of software architecture to perform software development tasks associated with developing, debugging or designing software applications or operating systems according to provided design specifications. Build enhancements within an existing software architecture and occasionally suggest improvements to the architecture.Duties and tasks are standard with some variation; displays unders
Posted 60+ days ago | Updated 2 hours ago

Remote Senior / Principal Software Developer (Back End)- Healthcare AI

Oracle Corporation

•

Remote

Full-time

Job Description Job Description: Are you ready to embark on a journey that will revolutionize healthcare and improve patient outcomes on a global scale? The Oracle Health division is leading the charge in healthcare innovation, and we are seeking an exceptional Principal Member of Technical Staff to join our Clinical Digital Assistant (CDA) team where you will be at the heart of this transformative mission. The Role: As a Principal Member of Technical Staff, you will be a key contributor to th
Posted 17 days ago | Updated 2 hours ago

Tech Lead Software Engineer, TikTok Brand Ads

TikTok

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Los Angeles, California, USA

Full-time

Location : Los Angeles Employment Type : Regular Job Code : D7768 Apply to this job Share this listing: Responsibilities TikTok's immersive experience, global presence, and high engagement makes it the ideal destination for brands, big and small, to showcase their unique identity, connect with their consumers, and build strong lasting relationships over time. Our Brand Ads team focuses on enabling brands to grow and succeed on TikTok by creating cutting-edge monetization products that emp
Posted 60+ days ago | Updated 2 hours ago

Lead Software Engineer - CoCounsel Infrastructure

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Software Engineer - CoCounsel Infrastructure Ready to advance the technical strategy behind industry-transforming AI? Thomson Reuters is seeking a Lead Software Engineer to help grow CoCounsel, our state of the art AI assistant. In this role, you'll join a team of skilled engineers to plan and execute critical initiatives like our global expansion, disaster recovery strategy, and cross-cloud migration. Our ideal candidate is curious, sympathetic, and flexible. About the Role In this oppo
Posted 10 days ago | Updated 2 hours ago

Lead Front End Engineer

Jobot

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Los Angeles, California, USA

Full-time

Fast growth Al food supply chain SaaS company looking for Python and React expertise This Jobot Job is hosted by: Tyler May Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: We are a fast-growing Food Supply AI SaaS company that is revolutionizing the way global enterprises and entrepreneurs generate revenue! Our world is becoming more and more plugged in and are consumers are changing. We are the
Posted 2 days ago | Updated 11 hours ago

Staff Embedded Software Engineer, Power Electronics Functional Safety

Rivian

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Torrance, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 60+ days ago | Updated 2 hours ago

Lead Software Engineer (Full Stack) - Build Reliability

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. LEAD SOFTWARE ENGINEER (FULL STACK) - BUILD RELIABILITY We are seeking a Lead Software Engineer to design, develop, and continuously improve software solutions ensuring our vehicles can be built and flown reliably. Th
Posted 60+ days ago | Updated 2 hours ago