Machine Learning Scientist Spotter, IncMachine Learning ScientistCulver City, CA$167,000–$185,000 / yearSolid grasp of core RL training objectives and loss functions, including temporal-difference and Bellman error losses (Q-learning, DQN), policy gradient objectives (REINFORCE, actor-critic advantage estimation), and clipped surrogate objectives (PPO, TRPO), with an understanding of when each applies and how they behave in training. Developing reward models, feedback models, and objective functions that translate noisy, sparse, delayed, or implicit signals into reliable model training and evaluation targets, and diagnosing and mitigating reward hacking and feedback loops in deployed systems.
Tech Lead - Data Scientist Obsidian Security IncTech Lead - Data ScientistNewport Beach, CA$220,000–$250,000 / yearWe protect more than 200 organizations across North America, Europe, the Middle East, Southeast Asia, Australia, and New Zealand-including many of the world's largest Fortune 1000 and Global 2000 companies. Backed by top investors including Greylock, Norwest Venture Partners, and IVP, we've built a complete SaaS security platform to reduce risk, detect and respond to threats, and prevent breaches at the source.
Food Scientist GT'S Living FoodsFood ScientistLos Angeles, CaliforniaMaintain and update the R&D innovation dashboard and stage-gate process, tracking formulation progress, testing, technical milestones, risks, and next steps; provide regular updates to the R&D Director to support retailer sell-in timelines and commercialization deadlines. This role works closely with the CEO/Founder, R&D team, Supply Chain, Operations, Production, Quality, and other cross-functional teams to ensure successful product development, scale-up, and commercialization.
Scientist 2 Xencor, Inc.Scientist 2Pasadena, CA$118,000–$150,000 / yearOn-site presence with time split between lab (80%) and non-lab activities (20%).Excellent verbal and written communication skills; ability to communicate clearly and effectively with scientific colleagues and management by contributing sound scientific concepts, ideas and direction. Additional Requirements for Laboratory and Research Related JobsThis role may involve work with experimental subjects and/or specimens including infected samples, plus various Hazardous Materials and infectious agents (Bloodborne Pathogens, or other potentially infections materials (OPIMs).
AI Scientist OratomicAI ScientistPasadena, CaliforniaYou will work in a tight-knit team, and will be responsible for researching and developing AI systems that automate our scientific research and quantum computer design. We are actively hiring AI scientists to take part in designing, building, and operating fault tolerant neutral atom quantum computers.
Staff Applied Scientist Document Vision Relativity ODA LLCStaff Applied Scientist Document VisionCalifornia, CA$197,000–$295,000 / yearRequired Skills: Algorithms, Computer Vision, Data Analysis, Data Science, Deep Learning, Machine Learning (ML), Natural Language, Natural Language Processing (NLP), Python (Programming Language), Scientific Research. Real matters arrive as scanned pages, photographs, tables, handwriting, stamps, and broken layouts, at the scale of millions of documents.
Sr. Scientist II CHO Cells FUJIFILM Biotechnologies USA IncSr. Scientist II CHO CellsIrvine, CA$103,093–$134,204 / yearBy offering a comprehensive portfolio of products and services in cell culture media, discovery research reagents, recombinant growth factors and proteins, fine chemicals, and critical assay materials, we partner with the brightest minds in biotech and pharma to tackle the world's biggest health challenges. Our headquarters in Santa Ana, California, is surrounded by world-class schools, lush parks, and scenic beaches like Laguna and Huntington, making it an ideal place to live, work, and explore.
Lead Applied Scientist, Public Sector Investigations Relativity ODA LLCLead Applied Scientist, Public Sector InvestigationsCalifornia, CA$164,000–$246,000 / yearRequired Skills: Communication, Database Management, Data Governance, Government Regulation, Information Security, Legal Practices, Legal Research, Policy Analysis, Stakeholder Management, Strategic Planning. We''re looking for a Lead Applied Scientist to set technical direction for our public-sector investigations work as we expand the aiR agentic harness for greater capability and reliability.
Sr. Scientist II New Product Development FUJIFILM Biotechnologies USA IncSr. Scientist II New Product DevelopmentIrvine, CA$106,000–$138,000 / yearBy offering a comprehensive portfolio of products and services in cell culture media, discovery research reagents, recombinant growth factors and proteins, fine chemicals, and critical assay materials, we partner with the brightest minds in biotech and pharma to tackle the world's biggest health challenges. Our headquarters in Santa Ana, California, is surrounded by world-class schools, lush parks, and scenic beaches like Laguna and Huntington, making it an ideal place to live, work, and explore.
Machine Learning Scientist - AppleCare WW Demand Planning Apple IncMachine Learning Scientist - AppleCare WW Demand PlanningCalifornia, CAMaster's or PhD in Computer Science, Machine Learning, Statistics, Operations Research, or a related quantitative field with 3+ years of industry experience in deploying Machine Learning models OR Bachelor's degree in a quantitative field with 6+ years of industry experience in deploying Machine Learning models. Data Systems: Expert-level SQL skills and experience working with large-scale distributed data processing frameworks (e.g., modern cloud data warehouses like Snowflake, Oracle, Spark, Hadoop, etc.).
R&D Food Scientist StratAcuity Staffing Partners IncR&D Food ScientistCA$85,000–$95,000 / yearIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA.
Clinical Lab Scientist II Children's Hospital Los AngelesClinical Lab Scientist IILos Angeles, CA$99,008–$162,656 / yearThe scope of work includes laboratory testing for allergy, autoimmune and infectious disease serologies, hemoglobinopathies, and routine immunophenotyping, esoteric subsets, and leukemia and lymphoma diagnostics and MRD testing by flow cytometry. Children's Hospital Los Angeles is consistently ranked among the top 10 children's hospitals in the nation, delivering world-class care through more than 350 specialized programs and services.
Scientist The Steely GroupScientistThousand Oaks, CAResponsibilities include:Monitors or follows established experimental design and protocols and performs routine tasks and studies to obtain reproducible and reliable results with limited supervision. The successful candidate is expected to make major scientific laboratory-based contributions to the group goals and present their results in internal forums.
Associate Data Scientist University of Southern CaliforniaAssociate Data ScientistLos Angeles, CA$99,823.75–$113,589.23 / yearWhen extending an offer of employment, the University of Southern California considers factors such as (but not limited to) the scope and responsibilities of the position, the candidate's work experience, education/training, key skills, internal peer equity, federal, state and local laws, contractual stipulations, grant funding, as well as external market and organizational considerations. Proficient use of query languages (e.g., SQL, MDX) and experience working with relational (e.g., MySQL, SQL Server, Oracle, Snowflake, Redshift) and non-relational (e.g., Mongo, NoSQL) databases.
Senior Data Scientist FlightStorySenior Data ScientistLos Angeles, CaliforniaWe work across four interconnected pillars: Creator Media (reach, influence, trust), Creator Community (turning audiences into connected tribes), Creator Ventures (infrastructure for creators to build and back aligned businesses), and Creator Technology & Data Intelligence - the proprietary data suite that fuels the entire flywheel. We're looking for a builder to sit at the intersection of proprietary data, applied machine learning, and creative/social intelligence - building models and systems that turn one of the most unique datasets in the creator economy into insight and competitive advantage.
Data Scientist LumetecData ScientistPasadena, CaliforniaIn this role, you will collaborate with cross-functional teams to develop dashboards, optimize big data pipelines, build statistical models, and contribute to meaningful insights derived from vast datasets. Company Overview: We are a deep-tech startup founded by experts from Google, Caltech, Stanford, and UMich, specializing in fiber optic sensing and big data analytics.
Data Scientist, Level 4 Snap IncData Scientist, Level 4Los Angeles, CA$157,000–$235,000 / yearThe Company operates Snapchat, a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc., a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji, Saturn, and other digital services. 3+ years of post-Bachelor's experience in quantitative analysis and data science; or a Master's degree in a technical field + 2+ years of post-graduate professional experience in quantitative analysis and data science; OR a Ph.
NewPrincipal Marketing Scientist, Level 6 Snap IncPrincipal Marketing Scientist, Level 6Los Angeles, CA$209,000–$313,000 / yearWe equip our Sales teams with what they need to be quantitatively driven, act as consultative partners to advertisers through training, tooling, and measurement best practices, and partner closely with Product, Engineering, Strategy, and Sales to ensure Snap's ad products are effective, efficient, and customer‑centric. 10+ years of post-Bachelor's advanced analytics and measurement experience; or Master's degree in a quantitative or business field + 9 years of post-graduate advanced analytics and measurement experience; or PhD in a relevant field + 6 year of post-graduate advanced analytics and measurement experience.
NewSenior Data Scientist, Level 5 SnapSenior Data Scientist, Level 5Santa Monica, Nebraska5+ years of post-Bachelor’s quantitative analysis and data science experience; or a Master’s degree in a technical field + 4+ years of post-grad quantitative analysis and data science experience; or a PhD in a related technical field + 1+ years of post-grad quantitative analysis and data science experience. The Company operates Snapchat , a visual messaging app that enhances your relationships with friends, family, and the world, and Specs Inc. , a wholly-owned subsidiary dedicated to making computing more human, in addition to Bitmoji , Saturn, and other digital services.
Principal Scientist - Cardiometabolic Disorders AmgenPrincipal Scientist - Cardiometabolic DisordersThousand Oaks, CaliforniaIn addition to the base salary, Amgen offers a Total Rewards Plan, based on eligibility, comprising of health and welfare plans for staff and eligible dependents, financial plans with opportunities to save towards retirement or other goals, work/life balance, and career development opportunities that may include: A comprehensive employee benefits package, including a Retirement and Savings Plan with generous company contributions, group medical, dental and vision coverage, life and disability insurance, and flexible spending accounts. Demonstrated experience developing, optimizing, and applying GPCR-based in vitro pharmacology assays, including functional signaling assays, ligand-binding assays, receptor internalization, -arrestin, cAMP, calcium mobilization, and pathway-selective (biased signaling) analyses.