Research Scientist - TikTok E-Commerce Recommendation Foundation TikTok IncResearch Scientist - TikTok E-Commerce Recommendation FoundationSan Jose, CAApply LLM technologies across retrieval, ranking, and re-ranking stages; participate in model training, inference optimization, and system co-design. Minimum Qualifications: MS/PhD in Computer Science, related technical field or equivalent industrial research experience.
Applied Scientist Intern - Monetization GenAI - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTok IncApplied Scientist Intern - Monetization GenAI - Global Frontier Tech Recruitment Program - 2027 Start (PhD)San Jose, CAOur 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. Through reinforcement learning (RL), placement data is directly fed back to continuously optimize the agent s decision-making strategies across the full pipeline, including video understanding, controllable generation, and low-performing content filtering and replacement.
Research Scientist - E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD) TikTok IncResearch Scientist - E-commerce Recommendation(LLM Applications) - Global Frontier Tech Recruitment Program - 2027 Start (PhD)San Jose, CAAcross multiple scenarios-including live-streaming e-commerce, video-based commerce, and marketplace (shelf-based) commerce-the team is committed to delivering a more personalized, proactive, and efficient shopping experience for users, while providing merchants with a stable and reliable platform. Heterogeneous Data Fusion & Alignment: Unified modeling of user behavior sequences, product sales time-series signals, and multimodal product content, achieving deep semantic alignment across high-dimensional temporal and visual/textual representations.
Research Scientist Intern (Monetization Technology - Business Integrity) - 2027 Summer TikTok IncResearch Scientist Intern (Monetization Technology - Business Integrity) - 2027 SummerSan Jose, CAIn particular, existing open-source large models often do not perform as effective as we expect in scenarios involving evolving moderation rules, long-form text, long temporal sequences, multi-languages, limited sample data, and adversarial content generated by AIGC. Research experience in one or more of the following areas - Ads, Search, Recommender Systems, NLP, CV, Multimodal, or Agent technologies - demonstrated through publications, thesis work, internships, or research projects.
Research Scientist Intern (TikTok-Data-Content Intelligence) - 2027 Start (PhD) TikTok IncResearch Scientist Intern (TikTok-Data-Content Intelligence) - 2027 Start (PhD)San Jose, CAWork with cross functional teams to design product strategies and build solutions to grow TikTok in important markets Minimum Qualifications: Currently pursuing a PhD degree in the field of computer science or a related technical discipline. PhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization s future plans and emerging technologies.
Machine Learning Scientist Intern (TikTok-Recommendation) - 2027 Start (PhD) TikTok IncMachine Learning Scientist Intern (TikTok-Recommendation) - 2027 Start (PhD)San Jose, CAMinimum Qualifications: Currently pursuing a PhD with a background in computer science, machine learning, or similar fields; Good knowledge of theoretical and empirical research in addressing research problems; Solid knowledge and experience with at least one popular deep learning framework (e.g., PyTorch,TensorFlow) and familiarity with deep neural network architectures. Deliver impactful, end-to-end machine learning solutions that tackle high-priority product challenges related to content understanding, LLMs, robustness, and fairness.
NewSenior Data Scientist U.S. BancorpSenior Data ScientistLos Angeles, CA$132,260–$155,600 / yearIn addition, certain positions may also be subject to the requirements of FINRA, NMLS registration, Reg Z, Reg G, OFAC, the NFA, the FCPA, the Bank Secrecy Act, the SAFE Act, and/or federal guidelines applicable to an agreement, such as those related to ethics, safety, or operational procedures. Specializes in developing and programming methods, processes, and systems to consolidate and analyze unstructured, diverse big data sources to generate insights and solutions for client services and product enhancement.
Senior Scientist - X-Ray Source Control Systems DBA: Zeiss GroupSenior Scientist - X-Ray Source Control SystemsDublin, CA$140,000–$175,000 / yearThe Senior Scientist - X-ray Source Control Systems leads research, prototyping, and quantitative characterization of next generation X-ray source technologies with a specialized focus on high voltage (HV) electronics, precision power delivery, and closed loop control systems. This role emphasizes the design and optimization of high voltage electron-optical subsystems, power electronics architectures, and real-time control strategies that ensure stable, high performance X-ray generation.
Analytical Chemistry Scientist Octant BioAnalytical Chemistry ScientistEmeryville, CA$135,000–$155,000 / yearIdentify, develop, and deploy chromatographic and mass spectrometric methodologies - including reversed-phase, HILIC, SFC, and 2D-LC/MS separations - to analyze small molecules to support both our in-house high throughput synthesis capabilities and ADME/PK property characterization. The Navigator is an expanding set of drug discovery and development capabilities with three interwoven components that operate together: Generative Biology- Multiplexed measurements from engineered sensors in human cells to understand cellular mechanisms.
Principal Research Scientist - Evaluations Canva Pty LtdPrincipal Research Scientist - EvaluationsSan Francisco, CA$310,000–$420,000 / yearYou will own how Canva evaluates generative quality across the whole of Canva Research, including problems we have not framed yet: new modalities, evaluation that reflects real differences between content types, user segments and markets, and a much tighter link between what our metrics say and what users and the business actually experience. You will treat that correlation as a research problem: validating metrics against human preference and downstream product outcomes, quantifying judge bias, and catching benchmark saturation and contamination before they quietly stop telling us anything.
Computational Electromagnetics (CEM) Research Scientist & Software Developer Bowhead / UIC Technical ServicesComputational Electromagnetics (CEM) Research Scientist & Software DeveloperSan Diego, CA$150,000–$160,000 / yearCOMPUTATIONAL ELECTROMAGNECTICS RESEARCH SCIENTIST & PROGRAMMER (HITS-R): Bowhead seeks highly skilled and motivated Computational Electromagnetics (CEM) Research Scientist and Programmer to join our advanced modeling and simulation team to support the High Performance Computing Modernization Program (HPCMP) Integrated Technical Services -Restricted (HITS-R) contract headquartered in San Diego, CA. Expertise in one or more of the following is highly desirable: high-frequency asymptotic methods (e.g., Physical Optics, Ray Tracing), full-wave high-fidelity methods (e.g., FDTD, FEM, MoM), High-Performance Computing (HPC), GPU acceleration.
Scientist II WuXi AppTec Co LtdScientist IISan Diego, CA$82,731–$107,132 / yearThe position will independently design, execute, trouble shoot and deliver the projects with LC-MS (liquid chromatography - mass spectrometry), prioritizing large molecules such as biologics, peptides, ADCs (antibody drug conjugates), LNPs (lipid nanoparticles), and oligos, and including small molecule modalities when necessary. Technical expertise: Solid understanding of qualitative and quantitative LC-MS workflows for ADCs, LNPs, peptides/proteins, biologics, small molecules, including associated sample preparation techniques.
Product Applications Scientist Gator BioProduct Applications ScientistPalo Alto, CAThis position serves as a technical resource for post-sales activities, supporting customers throughout their product lifecycle while providing insights to improve product performance, documentation, and customer outcomes. The Gator® instrument suite, including models such as the Gator® Pro, Pivot, Prime, Pilot, and Plus, empower researchers across diverse applications, from antibody discovery to small molecule analysis.
NewLead Clinical Lab Scientist, Microbiology, Full Time, Days PIH HealthLead Clinical Lab Scientist, Microbiology, Full Time, DaysDowney, CA$51.73–$88.35Full timeThe fully integrated network is comprised of PIH Health Downey Hospital, PIH Health Good Samaritan Hospital, PIH Health Whittier Hospital, 37 outpatient medical office buildings, a multispecialty medical (physician) group, home healthcare services and hospice care, as well as heart, cancer, digestive health, orthopedics, women’s health, urgent care and emergency services. Assists the laboratory manager/director in the management of the assigned laboratory department(s) and its staff and day-to-day operations; this includes, but is not limited to, process improvement, Technical Procedure revision, staff scheduling, interview process, staff performance review, coaching, training, competency development and assessment; employee relation issues; department compliance; policy and regulatory compliance; and Quality Assurance/Improvement.
Scientist - Immunoassay Revvity IncScientist - ImmunoassaySan Diego, CA$100,000–$133,500 / yearProvide data driven updates and collaborate with Immunoassay Manufacturing and QC teams throughout the product development process • Prepare technical reports, summaries, protocols, and quantitative analyses • Conduct project-related information searches and literature searches • Operate lab instruments according to procedures. • Design and conduct research and experiments in feasibility, optimization, and validation for Immunoassay product development • Expertise in mammalian cell culture techniques • Proactively manage and track active projects with potential deliverables to multiple business functions.
Clinical Lab Scientist (CLS) - Automated Chemistry IQVIA Holdings IncClinical Lab Scientist (CLS) - Automated ChemistryValencia, CA$46,200–$96,200 / yearJob Summary: Provide professional and technical expertise to perform automated and manual clinical laboratory testing within the Automated Chemistry area, ensuring accurate and timely results that support clinical research and patient care. IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries.
Clinical Lab Scientist (CLS) - Hematology IQVIA Holdings IncClinical Lab Scientist (CLS) - HematologyValencia, CA$46,200–$96,200 / yearThis role ensures accurate, timely, and compliant laboratory testing and reporting while working within the scope of a valid California Clinical Laboratory Scientist license. IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries.
Data Scientist, Codex OpenAIData Scientist, CodexSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. You’ll define what “developer productivity” means for our product, run experiments on new coding models and UX, and pinpoint where the model helps or hurts across languages and tasks.
Data Scientist, Product OpenAIData Scientist, ProductSan Francisco, CAFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. Our team has been behind notable product launches (ChatGPT, API, Sora), creating tools that help developers write code, enable businesses to operate more efficiently, and empower individuals to learn and create.
Data Scientist, Infrastructure OpenAIData Scientist, InfrastructureSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. Our infrastructure team helps deliver OpenAI’s most capable models and products to the world by scaling infrastructure and turning demand into useful FLOPS.