Principal Software Developer Jobs in California

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1,421 - 1,440 of 1,522 Jobs

Union Assistant Chief Engineer - Data Center

JLL

•

Los Angeles, California, USA

Full-time

JLL empowers you to shape a brighter way. Our people at JLL and JLL Technologies are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong. Whether you've got deep experience in commercial real estate, skilled trades or technology, or you're looking to apply your relevant e
Posted 34 days ago | Updated 7 hours ago

Lead Transmission Line Engineer 1 - Grid

Sargent & Lundy LLC.

•

Pasadena, California, USA

Full-time

Description This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. Responsibilities may include the following: Design transmission lines in the 69kV to 765kV range.Mentor and train less experienced design team members.Coordinate design activities to ensure installation and operations will comply with specifications, codes, and client requirements.Prepare reports and studies that present technical information in a clear and concise manne
Posted 58 days ago | Updated 7 hours ago

Staff Web App Development Engineer

Fortinet

•

Sunnyvale, California, USA

Full-time

Job Description We are looking for a highly experienced Staff Web Developer with expertise in Angular to help build, maintain, and scale modern web applications. You will be instrumental in leading GUI development efforts, ensuring code quality, and guiding architectural decisions. If you're passionate about clean code, scalable design, and modern web technologies, we'd love to hear from you. Key Responsibilities Lead the development and maintenance of robust, scalable web applications using
Posted 11 days ago | Updated 7 hours ago

Lead Transmission Line Engineer 1 - Grid

Sargent & Lundy LLC.

•

Santa Ana, California, USA

Full-time

Description This position allows for a hybrid work schedule with a mix of work spent in office and working remote from home. Responsibilities may include the following: Design transmission lines in the 69kV to 765kV range.Mentor and train less experienced design team members.Coordinate design activities to ensure installation and operations will comply with specifications, codes, and client requirements.Prepare reports and studies that present technical information in a clear and concise manne
Posted 60+ days ago | Updated 7 hours ago

Tech Lead Machine Learning Engineer - Applied AI TikTok Monetization GenAI

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A220606 Apply to this job Share this listing: Responsibilities We are Generative AI team under Monetization Technology. Our team focuses on developing cutting-edge Generative AI techs across all modalities, including text, image, videos, landing pages, etc., and creates industry-leading technical solutions to improve creative efficiency for advertisers, agencies and creators. We are committed to automated creative workflows by lever
Posted 60+ days ago | Updated 7 hours ago

Staff Research Engineer, LLM - TikTok Ads Core ML, Ranking

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A68131A Apply to this job Share this listing: Responsibilities TikTok Ads Core ML Team aims at creating automatic delivery products for the next generation and developing advertising as a business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. We're looking for innovative Staff Research Engineers to join our Core ML Ranking team. Ads Core Ranking team sp
Posted 60+ days ago | Updated 7 hours ago

Staff Electronic Design Engineer

Rivian

•

Irvine, 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 7 hours ago

Sr. Staff UI/Frontend Engineer (NetSec GenAI)

PaloAlto Networks

•

Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 18 days ago | Updated 7 hours ago

Principal Applications Engineer (ASIC/SoC/IP Engineer)

Synopsys, Inc.

•

Sunnyvale, California, USA

Full-time

Descriptions & Requirements Job Description and Requirements We Are: At Synopsys, we drive the innovations that shape the way we live and connect. Our technology is central to the Era of Pervasive Intelligence, from self-driving cars to learning machines. We lead in chip design, verification, and IP integration, empowering the creation of high-performance silicon chips and software content. Join us to transform the future through continuous technological innovation. You Are: An experienced ASI
Posted 60+ days ago | Updated 7 hours ago

Lead Reliability Validation Engineer, Energy & Charging Products

Tesla Motors

•

Palo Alto, California, USA

Full-time

As a Lead Validation Engineer focusing on manufacturing reliability of Tesla Energy & Charging products, you will play a key role in ensuring the reliability designed into Tesla's industrial and residential products is maintained throughout product manufacturing. This role follows the reliability lifecycle of the product from concept to design, development testing/analysis, manufacturing, and field operation to design-in, confirm, and grow exceptional reliability at every stage. You will partner
Posted 60+ days ago | Updated 7 hours ago

Principal GIS Apps Product Engineer

Esri

•

Remote

Full-time

Overview Join a fast-paced environment driven to make a difference by building purposeful and delightful mobile solutions. Whether responding to events, maintaining critical infrastructure, or providing humanitarian aid; ArcGIS Field Maps is transforming the way organizations work all over the world. If you are an engineer who is passionate about shaping and delivering capabilities to customers in mobile and web app development, our team is the perfect place for you to thrive. Responsibilities
Posted 17 days ago | Updated 7 hours ago

Electrical Design Engineer (Hybrid-Puerto Rico)

RTX Corporation

•

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: Join Collins Aerospace as an Electrical Design Engineer and assume a key role within the Communication Products Engineering department in Mission Systems. We're looking to create a pipeline of passiona
Posted 60+ days ago | Updated 7 hours ago

SWC Systems Engineering Technical Supervisor

General Dynamics

•

Remote or Pittsfield, Massachusetts, USA

Full-time

Basic Qualifications Bachelor's degree in Engineering or equivalent experience plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our faci
Posted 47 days ago | Updated 7 hours ago

Senior Principal Systems Safety Engineer (Hybrid)

RTX Corporation

•

Remote or Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-05-12 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Collins Aerospace is seeking an experienced System Safety Engineer within our Missions Systems organization. This engineer will b
Posted 60+ days ago | Updated 7 hours ago

Lead AI/ML Engineer (NLP) - Remote

UnitedHealth Group

•

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 diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 60+ days ago | Updated 7 hours ago

Lead Cost/Trend Engineer (BSVII Core-CP2)

Bechtel Corporation

•

San Jose, California, USA

Full-time

Requisition ID: 285273 Relocation Authorized: National - FamilyGrade: 27Position to be Panel Interviewed? YesTelework Type: Full-Time Office/Project Work Location: San Jose, CA Employee Referral Amount: Salary Range: $119,780 - $182,670 annually (Determined by function, education, experience, and qualifications of the applicant.)CA Positions: A 10% salary uplift is provided on top of base salary for positions that are worked in San Jose, CA, and San Francisco, CA, which is subject to change depe
Posted 35 days ago | Updated 7 hours ago

Lead Network Tools Integration Developer

Copeland

•

Remote

Full-time

About Us We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology th
Posted 32 days ago | Updated 7 hours ago

Expert UI Engineer

2K

•

San Mateo, California, USA

Full-time

WE ARE GAMEMAKERS Who We Are: We are a diverse team of developers driven by a passion for our art, united by our core values and inspired by a culture of inclusivity to build amazing games that thrill players everywhere. We pursue growth and innovation in an environment of safety and trust. Our culture is built on the belief that the more varied voices in our collective will strengthen our team and our games. We are looking for our next teammate who will raise our bar and make us better. We a
Posted 60+ days ago | Updated 7 hours ago

Tech Lead Machine Learning Engineer - GenAI Post Train, Monetization Generative AI

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A146189 Apply to this job Share this listing: Responsibilities About the Generative AI Production Team The Post-Training pod under Generative AI Production Team is at the forefront of refining and enhancing generative AI models for advertising, content creation, and beyond. Our mission is to take pre-trained models and fine-tune them to achieve state-of-the-art (SOTA) performance in vertical ad categories and multi-modal application
Posted 60+ days ago | Updated 7 hours ago

Staff Machine Learning Engineer, TikTok Ads Core Global - Traffic & Strategy

TikTok

•

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A01711 Apply to this job Share this listing: Responsibilities TikTok Ads Core ML Team aims at creating automatic delivery products for the next generation and developing advertising as a global business, instead of just a monetization tool to consolidate the delivery funnel framework allowing multiple teams to iterate parallel. Ads Core Traffic Strategy & User Experience team is essential to TikTok's success, our work focuses are: -
Posted 60+ days ago | Updated 7 hours ago