Scientist, Cell Biology & Antibody Engineering MedraScientist, Cell Biology & Antibody EngineeringSan Francisco, CaliforniaExecute developability assays to assess manufacturability and liability risks early — including thermal stability (DSF/DSC), aggregation and monomericity (HPLC-SEC), hydrophobicity (HPLC-HIC), polyspecificity/non-specific binding, and expression titer — and help triage candidates based on integrated characterization data. You will support our tissue culture operations, design and run in vitro and cell-based assays to characterize antibody candidates, and contribute to building out the lab capabilities that make all of this possible — from new assay formats to the automated workflows that execute them at scale.
Bioinformatics Scientist Tempus AIBioinformatics ScientistRedwood City, California$100,000–$140,000 / yearHigh-Sensitivity Biomarker Detection: Develop, tune, and optimize novel assays, algorithms, machine learning and statistical models to analyze next-generation sequencing (NGS) and multimodal data to detect oncology related biomarkers (SNV/indel/CNV/rearrangements, MSI, bTMB) from cell free DNA. Cross-Functional Collaboration: Work closely with wet-lab assay development scientists, medical directors, clinical scientists, biostatisticians, software engineers, and product managers to translate cutting-edge research into clinically actionable insights and production-scale pipelines.
Post-Training Research Scientist BaseTenPost-Training Research ScientistSan Francisco, CAResearch engineers who have spent years inside a production stack and developed insights no PhD program teaches; PhDs working on the wrong-shaped problem at the right-shaped lab; operators who have been close to real systems long enough to see things credentialed researchers have never had to see. You will pursue open problems at the intersection of post-training methodology and performant inference, and then collaborate with research engineering to translate findings into production systems.
Computational Materials Scientist - PhD MercorComputational Materials Scientist - PhDSan Francisco, CaliforniaRemoteExperience modeling surfaces , interfaces , and adsorption or reaction phenomena ( slab models , surface reconstructions , transition states , NEB , microkinetics ). Hands-on experience with atomistic modeling using first-principles or molecular methods ( DFT , ab initio molecular dynamics , classical MD , or Monte Carlo ).
AI Research Scientist - PhD MercorAI Research Scientist - PhDSan Francisco, CaliforniaRemote$55–$80 / hourPhD or advanced degree (or equivalent industry experience) in Medicine , Healthcare , Statistics , Data Science , AI/ML Research , Computer Science , Game Development , or Mechanical/Aerospace Engineering . Contribute subject matter expertise to a cutting-edge project with state-of-the-art large language models .
STEM Research Scientist - Fully Remote MercorSTEM Research Scientist - Fully RemoteSan Francisco, CaliforniaRemote$60–$90 / hourDesign tasks by turning everyday research skills into engaging, multi-step tasks. For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome.
Research Engineer / Scientist, Post-Training LettaResearch Engineer / Scientist, Post-TrainingSan Francisco, CaliforniaWe’re assembling a world-class team of researchers and engineers to solve AI’s hardest problem: making machines that can reason, remember, and learn the way humans do. At Letta, you'll work with a world-class, tight-knit team of AI researchers and engineers towards our vision of self-improving superintelligence.
Research Engineer / Scientist, Memory LettaResearch Engineer / Scientist, MemorySan Francisco, CaliforniaWe’re assembling a world-class team of researchers and engineers to solve AI’s hardest problem: making machines that can reason, remember, and learn the way humans do. Building memory architectures that support multiple memory types including temporal sequences, episodic experiences, semantic knowledge, and procedural skills.
Research Engineer / Scientist, Self-Improvement LettaResearch Engineer / Scientist, Self-ImprovementSan Francisco, CaliforniaWe’re assembling a world-class team of researchers and engineers to solve AI’s hardest problem: making machines that can reason, remember, and learn the way humans do. Developing prompt optimization and system prompt learning methods that allow agents to continuously learn from long-horizon tasks.
ML Research Scientist - PhD MercorML Research Scientist - PhDSan Francisco, CaliforniaRemote$60–$100 / hourProvide clear, structured feedback to AI research teams to improve training data quality and downstream performance. For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome.
Preclinical R&D Scientist - Drug Development MercorPreclinical R&D Scientist - Drug DevelopmentSan Francisco, CaliforniaRemote$60–$100 / hourHands-on experience with one or more drug modalities: small molecules, monoclonal antibodies, peptides, ADCs, bispecifics, mRNA, siRNA, ASOs, PROTACs, molecular glues, cell therapies, gene therapies, radioligand therapies, etc. Experience in core R&D functions : discovery biology, medicinal chemistry, protein/antibody engineering, computational, in vivo/translational, pharmacology/PK-PD, toxicology, or CMC/formulation.
Physics Research Scientist - Fully Remote MercorPhysics Research Scientist - Fully RemoteSan Francisco, CaliforniaRemoteDepth in at least two subdomains: condensed matter, optics, quantum information/computing, computational physics, astrophysics, particle physics. Calibrate tasks against frontier models, ensuring tasks ship only when strong models fail more often than they succeed.
Open Call - Research Engineer / Scientist 1X TechnologiesOpen Call - Research Engineer / ScientistSan Carlos, CA$250,000–$300,000 / yearAs part of 1X Labs, you will be expected to transform ambitious technical ideas into evidence, working prototypes, and ultimately technologies that can survive the constraints of real products and real manufacturing. Whether your work originates from research, industry, startups, or personal projects, we want to understand what you have built, what youve learned, and what you would pursue if given the resources to take it all the way.
Media Prep Lab Services Associate Technician LancesoftMedia Prep Lab Services Associate TechnicianSouth San Francisco, CA$26Education: High school diploma or GED required;college-level coursework in biology, chemistry, or related field required (AA/AS preferred). Work closely with scientists, lab managers, and cross-functional teams to support research activities.
Founding Research Scientist, Human Simulation Listen LabsFounding Research Scientist, Human SimulationSan Francisco, CaliforniaWorld-Class Team : Founded by serial entrepreneurs — Alfred (Bemlo, YC W22) and Florian (IOI medalist, ICPC World Finalist) — and built with talent from Google, Meta, Tesla, Amazon, Jane Street, and X, alongside Bain, Goldman Sachs, McKinsey, and Sequoia-backed startups like Applied Intuition, Scale AI, and Rippling. Hypergrowth : Since launching, Listen has grown annualized revenue 15x and completed over 2 million interviews — backed by $100M in total funding led by Ribbit Capital, with Sequoia, Conviction, and Pear VC participating.
Applied Scientist KoahApplied ScientistSan Francisco, CaliforniaYou enjoy identifying and owning challenging problems, forming testable hypotheses, and conducting impactful research to drive significant business impact. We’re a small, tight-knit team in San Francisco with backgrounds at X, Apple, Meta, and early-stage startups.
Data Scientist KoahData ScientistSan Francisco, CaliforniaYou enjoy identifying and owning challenging problems, forming testable hypotheses, and conducting impactful research to drive significant business impact. Use rigorous statistical thinking and hands-on modeling to turn our rich marketplace data into tools that directly shape product decisions and key insights.
FSP Senior Scientist: Synthetic Molecule Pharmaceutics Thermo Fisher ScientificFSP Senior Scientist: Synthetic Molecule PharmaceuticsSouth San Francisco, CaliforniaWith clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. Analytical Characterization: Independently analyze formulations using a diverse suite of analytical techniques (including spectroscopy, rheology, chromatography, calorimetry, light scattering, and physicochemical property measurements) to assess structure, composition, and physicochemical properties.
Clinical Laboratory Scientist Kaiser PermanenteClinical Laboratory ScientistSan Leandro, CACorporate Compliance Accountability: Consistently supports the precepts of Corporate Compliance and Principles of Responsibility by maintaining confidentiality, protecting the assets of the organization, acting with integrity, reporting observed fraud and abuse and complying with applicable state, federal and local laws and program policies and procedures. Job Summary: Under the general direction of the Laboratory Director, or their designee, performs pre-analytical, analytical and post-analytical procedures and analyses to provide data for health maintenance, diagnoses, treatment and monitoring of medical conditions.
Research Scientist/Engineer, Deep Brain Two Photon Imaging and Optogenetics Astera InstituteResearch Scientist/Engineer, Deep Brain Two Photon Imaging and OptogeneticsAlameda, CaliforniaSince these tools don't yet exist, we're assembling a founding team of neuroscientists, computational scientists, and engineers to build them (hardware, software, and methods) and use them to study neural activity at unprecedented scale, with direct relevance to neurological and psychiatric disease. The ideal candidate is an experimentalist who can carry the work end-to-end: designing a GRIN lens system in the morning, running a closed-loop holographic write-in on the rig in the afternoon, and writing the population-analysis pipeline that evening.