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4,522 physics jobs at 1,361 companies in Union City, CA

1mo
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Physics Teacher
Tracy, California, United States
$69k-$113k/yr OnsiteFull Time
Tracy Learning Center
Tracy Learning Center: Operates a tuition-free public charter school complex for grades TK-12.
Single-subject science credential or college physics degree encouraged; teaching credentials and transcripts required. Submit resume, letter of introduction, and two letters of recommendation. Internship candidates accepted.
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14h
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Remote Physics Expert
Amsterdam or San Francisco
€100-€200/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
Pursuing or completed PhD in Physics, Applied Physics, or related field; advanced physics reasoning, problem-solving, clear technical writing, and structured feedback skills required.
ChatGPT, large language models
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2w
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Online Teacher, Physics
Rio de Janeiro or New York City or Singapore or New Delhi or London or Auckland or Brisbane or Christchurch or Melbourne or North Perth or Sydney or Wellington or United States or Baltimore or Washington or San Francisco or San Diego or New Jersey or Phoenix or Philadelphia or Portland
RemoteFull Time
Crimson Education
Crimson Education: Personalized university admissions consulting and academic tutoring services.
5+ YOE5+ years high-school teaching, Bachelor’s in Physics or related, strong communication, familiarity with US high-school curriculum and online teaching platforms; Canvas experience preferred.
Canvas
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1mo
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PT Physics Instructor
Los Altos Hills, California, United States
OnsitePart Time
Foothill-De Anza Community College District
Foothill-De Anza Community College District: Public educational district providing community college and workforce training.
Teach physics courses, perform instructional duties, evaluate student work, submit grades, and participate in assessment and development activities. Official transcripts required; meet California community college minimum qualifications.
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6d
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Principal Software Engineer, Physics
San Mateo, California, United States
$345k-$399k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
10+ YOE10+ years professional C++ experience (or 2+ with advanced degree), multithreading and SIMD optimization, real-time physics and numerical methods, familiarity with PhysX/Havok/Bullet, strong communication and problem-solving.
C++, SIMD, PhysX, Havok, Bullet
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1mo
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Physics Applications - Researcher JD (Senior)
Palo Alto, California, United States
$190k-$260k/yr HybridFull Time
Vinci
Vinci: AI software for rapid hardware design and physics simulation.
2+ YOEMS with 4+ yrs or PhD with 2+ yrs; 2+ yrs using/building physics simulators (FEM, FEA, MD, FDTD); applied ML experience (CV, GraphNN, transformers); experience with PyTorch, NumPy, CUDA; production data processing and software engineering fundamentals.
PyTorch, NumPy, CUDA, Vinci
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2w
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Nanoelectronics & Device-Physics Engineer
Emeryville, California, United States
$200k-$230k/yr OnsiteFull Time
Astera Institute
Astera Institute: Conducts fundamental research in artificial intelligence and longevity science.
MS or PhD in EE, applied physics, materials science, or related; experience with high-k dielectrics, FET/biosensor charge sensing, low-noise electrical measurement, cleanroom process design and electron-beam lithography; AFM experience preferred.
electron-beam lithography, AFM
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2mo
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Science - (Physics /.2 FTE) Teacher - Menlo-Atherton High School
Atherton or Redwood City
$2k/yr OnsitePart Time
Sequoia Union High School District
Sequoia Union High School District: Provides public secondary education and specialized student programs.
B.A. or B.S. with valid California teaching credential for Physics; EL Authorization; CBEST/CSET/PRAXIS/RICA; EdJoin application; resume; letters of recommendation; official transcripts.
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1mo
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Principal Physics Programmer, C++ (Modeling & Simulation)
San Francisco, California, United States
HybridFull Time
Code Metal
Code Metal: Verifiable AI-powered code translation for mission-critical industries.
8+ YOE8+ years professional C++ development building performance-critical real-time systems; experience with game-engine or engine-level systems, data-oriented design, concurrency, profiling, and optimization; eligibility for Secret clearance.
C++, SIMD, GPU, HLA, DIS, AFSIM
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3mo
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Senior Autonomy Flight Physics Engineer
Santa Cruz, California, United States
$165k-$225k/yr OnsiteFull Time
Joby Aviation
Joby AviationNYSE: JOBY: Manufacturer of electric vertical takeoff and landing aircraft.
2+ YOEAdvanced degree (MS/MEng/PhD) and 2+ years industry experience in aerodynamics/flight physics; expertise in aerodynamic and aeroelastic modeling, flight test specification, and Python; must qualify as a US Person.
Python, ASWING, Fortran, C++, CFD
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2mo
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Machine Learning Physics Graduate Student
Livermore, California, United States
$7k-$8k/mo OnsiteInternship
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory: Develops science and technology for United States national security.
Graduate student interns in Machine Learning with C/C++/Python, physics/materials science background, research experience, publications, on-site eligibility, NDAA compliance.
C, C++, Python, GPU computing, CUDA
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1d
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Physics Teacher - FT One-Year Upper School Position
Palo Alto, California, United States
$90k-$128k/yr OnsiteFull Time, Temporary
Castilleja
Castilleja: Independent girls' school providing college preparatory education in Palo Alto.
Prior teaching or equivalent professional experience, technology proficiency, collaboration skills, and an undergraduate degree in a relevant field are required.
technology
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2mo
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MTS Laser Physics Design & Development Engineer
Goleta or Fremont or Santa Barbara
$157k-$185k/yr OnsiteFull Time
Kyocera SLD Laser
Kyocera SLD Laser: Develops and manufactures gallium nitride-based laser light sources.
7+ YOEMS or PhD in Electrical Engineering, Applied Physics, or Materials Science; 7+ years in laser diode design; strong modeling and simulation; DOE experience; proficient in Python/MATLAB; device characterization
Photon Design, COMSOL, Lumerical, MATLAB, Python, JMP
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3d
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2026/2027 - Science (Physics) Teacher & Interns - Mission San Jose HS
Fremont, California, United States
OnsiteFull Time
Fremont Unified School District
Fremont Unified School District: Operates public K-12 schools and educational programs in Fremont.
Must provide resume, cover letter, two recent recommendations, BA transcripts, Single Subject Teaching Credential - Physics with EL authorization or intern eligibility documentation.
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3mo
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MTS Laser Physics Design & Development Engineer
Fremont or Goleta
$157k-$185k/yr OnsiteFull Time
Kyocera SLD Laser
Kyocera SLD Laser: Develops and manufactures high-performance gallium nitride laser light sources.
7+ YOEMS or PhD in Electrical Engineering, Applied Physics, or Materials Science; 7+ years in laser diode design; strong modeling, simulation, and data analysis; DOE experience; cross-functional collaboration.
Photon Design, COMSOL, Lumerical, MATLAB, Python, JMP, DOE
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2mo
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Adjunct Faculty, Physics
Oakland, California, United States
OnsitePart Time
Northeastern University
Northeastern University: Global research university offering experiential learning and degree programs.
Teach undergraduate physics courses as adjunct; oversee assessments; hold office hours; start dates fall/spring/summer; per-credit rate listed.
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2mo
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Principal Engineer – Multi-Physics Sign-off (Timing, PDN & Thermal)
San Jose or Austin or San Diego
$263k-$355k/yr HybridFull Time
Arm
ArmNASDAQ: ARM: Designs and licenses processor architectures and semiconductor intellectual property.
5+ YOEVLSI knowledge with 5+ years system-level experience; hands-on 3DIC/2.5D design and signoff; strong scripting, flow ownership, and cross-team collaboration; familiarity with EDA tool qualification and multiphysics/thermal analysis.
Cadence Integrity 3D-IC, Synopsys 3DIC Compiler, Cadence Celsius Thermal Solver, Ansys Icepak, Ansys RHSC-ET
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1mo
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Physics Department: Lecturer Pool
Santa Cruz, California, United States
$11k-$12k/yr OnsitePart Time
University of California
University of California: A public research university system providing education and healthcare.
Master's degree or higher in physics or related field and evidence of university-level teaching; ability to teach undergraduate and graduate physics courses.
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12h
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Math and Physics Tutor
Dublin or San Ramon
$26-$28/hr OnsitePart Time
Tutoring Club
Tutoring Club: Providing individualized academic support and tutoring for students.
1+ YOEBachelor's degree or current enrollment toward one, 1+ years of tutoring experience, proficiency in K-12 math and high-school physics, reliable transportation, and availability 3–5 days weekly.
Calculus
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2mo
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Forward Deployed Engineer, Physics & ML
Boston or San Francisco
HybridFull Time
Physical Superintelligence
Physical Superintelligence: Building AI systems to discover new physics at scale.
5+ YOEFive+ years building ML systems in production; strong physics literacy; experience shipping ML models, simulations, or digital twins for physics/engineering; customer-facing engineering experience.
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