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3,755 physics jobs at 1,219 companies in San Leandro, 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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4d
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Remote Physics Expert
Berlin or San Francisco
$100-$200/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
PhD (pursuing or completed) in physics or related field, strong advanced physics reasoning, clear written communication, and ability to create and evaluate physics problems and solutions.
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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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1d
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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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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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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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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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2mo
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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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1mo
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Physics / Chemistry Teacher - Kennedy High School - Starting School Year 2026-2027
Richmond, California, United States
OnsiteFull Time
West Contra Costa Unified School District
West Contra Costa Unified School District: Provides public K-12 and adult education in Contra Costa.
Requires Clear, Preliminary, or Intern Single Subject Chemistry Credential, English Learner Authorization (CLAD), BA degree, CSET, current resume, letter of interest, and 2-3 letters of recommendation.
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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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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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1w
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Postdoctoral Appointee - Shock Physics, Onsite
Livermore, California, United States
OnsiteFull Time, Temporary
Sandia National Laboratories
Sandia National Laboratories: Conducts science and engineering research for national security.
PhD in materials science/engineering/physics or related; deep understanding of shock compression science; experience with experimental or computational shock physics; ability to fabricate targets, analyze diagnostics, and integrate experiments with simulations.
Linux, hydrocodes, FEA, VISAR, PDV, DIC
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1w
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Postdoctoral Appointee - Shock Physics, Onsite
Livermore, California, United States
OnsiteFull Time
Sandia National Laboratories
Sandia National Laboratories: Federal research and development laboratory for national security.
PhD in materials science, mechanical/aerospace engineering, physics, or related; deep knowledge of shock-compression science; experimental and computational shock physics experience; ability to obtain DOE Q-level clearance (US citizenship required).
Linux, hydrocodes, FEA, PDV, PVDF, PZT, VISAR, DIC
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3w
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Quantum Theorist, Atomic Physics Focus
Berkeley or Boulder
$160k-$185k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
PhD in a related field, deep AMO/atomic physics knowledge (Rydberg experience valued), strong programming skills (Python, Julia, C++), experience with quantum optics tools and published research.
Python, Julia, C++, QutiP, QuantumOptics.jl
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1w
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Member of Technical Staff — Research, Physics
San Francisco, California, United States
OnsiteFull Time
Causal Labs
Causal Labs: Building physics-based causal AI models for predictive weather intelligence.
Deep expertise in physics (e.g., fluid dynamics, thermodynamics, computational physics), numerical simulation experience, PhD or equivalent research experience, collaboration with ML researchers, and rigorous evidence-driven evaluation.
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1mo
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Forward Deployed Engineer, Physics & Simulation
Menlo Park or San Francisco or Taiwan
$180k-$250k/yr FieldFull Time
Periodic Labs
Periodic Labs: Builds autonomous laboratories for AI-driven scientific discovery.
Expertise in numerical simulation and physics, proficiency in Python and scientific libraries, experience with PDE solvers and mesh/solver tuning, willingness to embed on-site with customers including extended stays in Taiwan, bachelor's degree or equivalent.
Python, NumPy, SciPy, OpenFOAM, ANSYS Fluent, Star-CCM+, Onnes
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5d
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Secondary Science Teacher- Physics
Palo Alto, California, United States
OnsiteFull Time
Palo Alto Unified School District
Palo Alto Unified School District: Provides public K-12 education and student support services.
Provide instructional program for secondary students (grades 6-8 or 9-12), maintain classroom control, create learning conditions, and evaluate student progress.
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