San Jose, California, United States · On-site
$149k–$209k/yr
At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and adv…
Skills: Machine Learning, Deep Learning, Neural Recommender Systems, Sequential Modeling, Session-based Modeling
California, United States · Remote OK
At Canadian Solar, our vision is to make lives better by bringing electricity powered by the sun to millions of people worldwide. As a leading manufacturer of solar panels, inverters, and energy storage solutions, we've …
Skills: Technical Requirements Drafting, EMS Controls, Power Conversion Systems, Cyber Security, Risk Assessment
Sacramento, California, United States · On-site
$96k–$143k/yr
Sales employees will concentrate on acquiring new business and conducting customer visits in the field. When not in the field, they are expected to collaborate with their team from their assigned office location, if avai…
Skills: Technical sales, System design, Customer consultation, Product integration, Project management
San Francisco, California, United States · On-site
$102k–$154k/yr
Sales employees will concentrate on acquiring new business and conducting customer visits in the field. When not in the field, they are expected to collaborate with their team from their assigned office location, if avai…
Skills: Technical sales, System design, Customer consultation, Product integration, Project management
San Leandro, California, United States · On-site
$71k–$117k/yr
About us Johnson Controls, a global leader in thermal management, mission-critical building systems, energy efficiency, and decarbonization, helps customers use energy more productively, reduce carbon emissions, and oper…
Skills: Technical system support, Video intrusion systems, Alarm systems, Access control management, Technical diagnostics
San Francisco, California, United States · On-site
$306k–$390k/yr
Who We Are Notion is the collaborative AI workspace where teams and agents think together. We're building one place where your knowledge, projects, meetings, and AI tools live side by side, so work is faster, clearer, an…
Skills: Enterprise Software Sales, Solution Architecture, Workflow Design, Full-cycle Sales, Technical Demoing
San Francisco, California, United States · On-site
$216k–$276k/yr
Who We Are Notion is the collaborative AI workspace where teams and agents think together. We're building one place where your knowledge, projects, meetings, and AI tools live side by side, so work is faster, clearer, an…
Skills: Technical Sales, Solution Architecture, Workflow Design, Customer Discovery, Account Management
San Francisco, California, United States · On-site
$180k–$216k/yr
Who We Are Notion is the collaborative AI workspace where teams and agents think together. We're building one place where your knowledge, projects, meetings, and AI tools live side by side, so work is faster, clearer, an…
Skills: Technical Sales, Solutions Engineering, Workflow Design, Customer Discovery, Account Management
Santa Clara, California, United States · On-site
$145k–$255k/yr
About Us: nEye.ai, a well-funded optical switch startup, is poised to revolutionize the future of data centers. nEye’s MEMS-based silicon photonics optical circuit switches (OCS) eliminate critical bottlenecks in AI proc…
Skills: Silicon Photonics Packaging, Optical Interface Design, Fiber-to-Chip Coupling, PIC Edge Coupling, Active and Passive Alignment
Santa Clara, California, United States · On-site
$180k–$240k/yr
About us nEye.ai, a well-funded optical switch startup, is poised to revolutionize the future of data centers. nEye’s MEMS-based silicon photonics optical circuit switches (OCS) eliminate critical bottlenecks in AI proce…
Skills: Semiconductor Packaging, Photonics Packaging, MEMS Devices, NPI, Flip-Chip
Foster City, California, United States · Hybrid
$146k–$234k/yr
About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to …
Skills: Program Management, Governance Operations, Knowledge Management, AI Governance, Data Governance
Santa Clara, California, United States · On-site
$160k–$220k/yr
About us nEye.ai, a well-funded optical switch startup, is poised to revolutionize the future of data centers. nEye’s MEMS-based silicon photonics optical circuit switches (OCS) eliminate critical bottlenecks in AI proce…
Skills: Wafer Bonding, Process Integration, New Product Introduction, Fusion Bonding, Eutectic Bonding
Los Angeles, California, United States · On-site
$87k–$149k/yr
We anticipate the application window for this opening will close on - 29 Jul 2026 At MiniMed, you can begin a lifelong career of exploration and innovation, while helping make a difference in the lives of people living w…
Skills: SQL, Python, Data Warehousing, ETL/ELT, Pandas
Carlsbad, California, United States · On-site
$105k–$115k/yr
Job Description Revelyst Golf Technology is seeking a Sr. Business Intelligence (BI) Analyst to transform data into actionable insights that drive strategic decision-making across our business. This role will partner clo…
Skills: Power BI, Tableau, SQL, Python, Excel
San Diego, California, United States · On-site
$130k–$160k
Graham Technologies is seeking an experienced Project Manager to lead high-impact process improvement and operational transformation initiatives supporting a Federal customer. This role is responsible for managing comple…
Skills: Project Management, Lean Six Sigma, Technical Writing, Stakeholder Engagement, Business Process Documentation
San Diego, California, United States · On-site
$130k–$160k
Graham Technologies is seeking an experienced Project Manager to lead high-impact process improvement and operational transformation initiatives supporting a Federal customer. This role is responsible for managing comple…
Skills: Project Management, Lean Six Sigma, Technical Writing, Stakeholder Engagement, Business Process Documentation
Clayton, California, United States · Hybrid
$84k–$149k/yr
LocationSAINT LOUIS, MO 63110 Scheduled Hours40 Position SummaryManage support operations, project implementation, and Supervisory Staff positions. Works independently and as a team to lead operations functions to includ…
Skills: Conflict Resolution, IT System Administration, Oral Communications, Technical Writing, Windows Applications
San Diego, California, United States · On-site
$92k–$171k/yr
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: No CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportuniti…
Skills: Navigation Subsystem Testing, Flight Test Support, Supplier Management, System Integration, Verification and Validation
California, United States · Remote OK
$67k–$87k/yr
We believe in the power and joy of learning At Cengage, our employees have a direct impact in helping learners around the world discover the power and joy of learning. We are bonded by our shared purpose – driving innova…
Skills: Customer success, Relationship management, Data analysis, Communication, Presentation skills
San Francisco, California, United States · Hybrid
$293k–$325k/yr
About the Role OpenAI’s Industrial Compute organization is responsible for ensuring our compute infrastructure scales efficiently to support millions of users and increasingly sophisticated AI models. We’re looking for a…
Skills: Statistical Modeling, Machine Learning, Forecasting, Python, SQL
San Jose, California, United States • On-site
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Develop and advance machine learning solutions for real-time personalization, focusing on ranking, recommendations, and retrieval. Partner with cross-functional teams to design scalable scientific approaches and operationalize ML models in production environments.
Requires a Bachelor's degree in a technical field and 5+ years of experience delivering production-grade ML solutions. Proficiency in software engineering practices and a strong foundation in statistical analysis and large-scale data processing are essential.
At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.
Here, you'll do meaningful work that helps millions of people discover, book, and experience travel with more ease, confidence, and joy. Our five Behaviors-Traveler First, Think Big, Operate with Excellence, Ownership Mindset, and Succeed Together-help foster a supportive environment where people can grow their careers and have the flexibility, benefits, and support to do their best work. Join us and build for travelers everywhere.
Introduction to the team
The Unified Personalization Service team is part of Expedia Product & Technology. UPS is building Expedia Group's centralized, real-time personalization engine across brands and channels, powering ranking, recommendations, retrieval, and other adaptive experiences that help travelers see more relevant, contextual, and useful experiences throughout their journey.
We are looking for a Machine Learning Scientist III to help build production ML systems for personalization, with emphasis on deep learning, neural recommender systems, sequential and session-based modeling, embeddings, scalable experimentation, and reliable model deployment.
This is a hands-on applied science and engineering role for someone who can contribute across model development, experimentation, data pipelines, deployment, and production model quality.
In this role, you will
Develop, apply, and advance machine learning solutions for personalization use cases, translating business and customer problems into scalable scientific approaches and production-ready models.
Design experiments, evaluate model performance, and use data-driven methods to improve relevance, ranking, recommendation, and overall customer experience across personalization systems.
Partner across engineering, product, analytics, and science teams to define solution approaches, influence technical direction, and deliver ML capabilities that can operate across multiple products and domains.
Contribute technical depth in model development, feature design, data preparation, offline and online evaluation, and the operationalization of machine learning solutions in production environments.
Apply strong technical judgment to system design, API design, data modeling, and low-level solution design that support robust, maintainable, and extensible ML-powered services.
Safely integrate and operate AI/ML-enabled solutions that improve outcomes, including familiarity with AI-driven systems, tools, or workflows and applying AI/ML concepts to real world products.
Minimum Qualifications
Bachelor’s degree in Computer Science, Machine Learning, Statistics, Mathematics, a related technical field, or equivalent professional experience.
5+ years of relevant experience in machine learning, applied science, data science, or software development, including delivering production-grade ML solutions.
Demonstrated ownership of machine learning solutions within a service, multi-service, or domain-level scope, with accountability for model quality, experimentation, and operational performance.
Strong foundation in machine learning methods, statistical analysis, experimentation, feature engineering, and working with large-scale datasets in production environments.
Proficiency in software engineering practices for scientific systems, including coding, low-level design, API design, data modeling, and collaboration with engineering teams to productionize solutions.
Preferred Qualifications
Advanced degree in Machine Learning, Computer Science, Statistics, Mathematics, or a related technical field.
Experience building and scaling personalization, recommendation, ranking, retrieval, or relevance models in large, complex consumer-facing environments.
Experience with neural recommendation systems, sequential or session-based recommendation, transformer-based recommenders, semantic retrieval, or representation learning at scale.
Experience with foundation models, LLMs, embedding models, semantic IDs, hybrid LLM-recommender systems, or retrieval-augmented personalization workflows.
Demonstrated ability to use data, metrics, and experimentation to guide prioritization and decision-making while balancing scientific rigor, product impact, and platform scalability.
Experience with production ML workflows such as model serving, experimentation frameworks, feature or data pipelines, monitoring, model lifecycle management, or MLOps
Starting pay for this role will vary based on multiple factors, including location, available budget, and an individual’s knowledge, skills, and experience. Pay ranges may be modified in the future.
Expedia Group offers benefits and perks designed to support employees and their families, including medical, dental, and vision coverage, paid time off, an Employee Assistance Program, wellness and travel reimbursement, travel discounts, and International Airlines Travel Agent Network (IATAN) membership. Learn more about life at Expedia Group at https://careers.expediagroup.com/life.
Expedia Group is committed to providing an inclusive and accessible recruiting experience. If you need an accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https://expedia.service-now.com/askeg?id=job_accommodation.
Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along with a leading B2B travel business and travel advertising offerings. Across our brands and business, we help travelers explore the world with confidence and ease.
Employment opportunities and job offers at Expedia Group will always come from Expedia Group's Talent Acquisition and hiring teams. Never share sensitive personal information unless you are confident of the recipient. Expedia Group does not extend job offers via email or messaging tools to individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official place to find and apply for roles is https://careers.expediagroup.com/jobs/.
Expedia Group, Inc. (NASDAQ: EXPE) is the global travel marketplace with one purpose: to help travelers explore the world, one journey at a time. Expedia Group™ connects travelers, partners, and advertisers through its trusted brands, leading technology, and rich first-party data, delivering predictive, personalized experiences that shape the future of travel. Expedia Group’s ecosystem includes three flagship consumer brands – Expedia®, Hotels.com®, and Vrbo® – the largest B2B travel business, and a premier advertising network. Guided by an experienced and passionate global team, Expedia Group helps millions of travelers in more than 70 countries explore the world with confidence and ease. We’re committed to providing an inclusive and accessible recruiting experience for candidates with disabilities, or other physical or mental health conditions. If you require an accommodation or adjustment for any part of the application or recruitment process, please let us know by completing our Accommodation Request Form or contacting your recruiter. Employment opportunities and job offers at Expedia Group will always come from Expedia Group’s Talent Acquisition and hiring teams. Never provide sensitive, personal information to someone unless you’re confident about who they are. We do not send job offers via email, or any other messaging tools, to individuals we have not had prior contact with. Our email domain is @expediagroup.com. Our official careers website, where you can to find and apply for job openings, is careers.expediagroup.com/jobs. If you require customer service support to cancel, change or ask about a refund for your trip, you can connect with our 24/7 Virtual Agent through the following links: Expedia: https://www.expedia.com/helpcenter Hotels.com: https://service.hotels.com/en-us/ Vrbo: https://help.vrbo.com/ For additional assistance, direct message us on Twitter @ExpediaHelp with your itinerary number and email address: https://twitter.com/ExpediaHelp
Offices: 1111 Expedia Group Way W., Seattle, WA 98119, US · DLF City Phase 1 Road, Gurgaon, Haryana 122002, IN · 1 Martin Pl, Sydney, New South Wales 2000, AU · 65 Rue de la Victoire, Paris, IdF 75009, FR · 63 Rue de Bresoles, Montreal, QC H2Y 1V7, CA
Based on 20626 listings with disclosed salaries, most technology jobs in California pay between $115k–$260k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 26,278 open technology positions in California listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Google, Apple, Amazon, Applied Materials, Northrop Grumman, among others. Browse the listings above to see every active employer.
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