NewComputer Scientist V - Senior Software Systems Engineer JT4 LLCComputer Scientist V - Senior Software Systems EngineerEdwards AFB, California$140,000–$190,000 / yearCommunication excellence: Ability to communicate both verbally and in writing to effectively convey complex technical information to diverse audiences including vendors, subcontractors, customers, engineering teams, non-technical stakeholders and JT4 leadership. Project Management: Assist IPT project manager on overseeing multiple development projects simultaneously with duties including but not limited to: identifying potential risks, evaluating timelines and resources and ensuring all technical requirements are met.
Staff Machine Learning Engineer (Research Scientist) - DFAI PlaidStaff Machine Learning Engineer (Research Scientist) - DFAISan Francisco, CA$249,120–$367,920 / yearPhD: 5–9+ years of industry experience with evidence of technical leadership (tech lead, principal/staff-equivalent roles) and end-to-end production ownership. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use.
NewSenior Data Scientist MicrosoftSenior Data ScientistMountain View, CA$119,800–$234,700 / yearOR Bachelors Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 10+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results). OR Bachelors Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 12+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results.
NewData Scientist III- #26-17469 US Tech Solutions, Inc.Data Scientist III- #26-17469Menlo Park, CAThe main function of a data analyst is to coordinate changes to computer databases, test, and implement the database applying knowledge of database management systems. DQ- avoid small scale pipeline experience, folks must be comfortable to work in very large data number sets so it is best when they come from big companies.
Senior Staff / Staff Applied Scientist SamsaraSenior Staff / Staff Applied ScientistAnywhere, CARemoteWorking at Samsara means you’ll help define the future of physical operations and be on a team that’s shaping an exciting array of product solutions, including Video-Based Safety, Vehicle Telematics, Apps and Driver Workflows, and Equipment Monitoring. • You want to impact the industries that run our world: Your efforts will result in real-world impact – helping to keep the lights on, get food into grocery stores, reduce emissions, and most importantly, ensure workers return home safely.
Senior Data Scientist - Network Value PlaidSenior Data Scientist - Network ValueSan Francisco, CA$190,800–$262,800 / yearYou’ll translate business questions into analytics projects, perform ad-hoc and strategic analysis, improve visibility into core systems through data modeling and dashboarding, create OKRs quantifying progress against business goals, support feature ship decisions through experimentation, and build ML prototypes and causal inference models. We translate ambiguous product questions into tractable analysis, serve as analytical thought partners throughout the org, identify opportunities to build better products, and champion a data-first decision-making approach everywhere we go.
Senior Robotics Automation Engineer Daiichi Sankyo, Inc.Senior Robotics Automation EngineerSan Diego, CA$136,080–$204,120 / yearFull timeEvaluate, integrate, configure, troubleshoot, and maintain advanced laboratory automation systems, including liquid handlers, dispensers, pipettors, plate movers, robotic arms, plate sealers and desealers, acoustic transfer devices, multimodal assay readers, incubators, storage systems, and related scientific instrumentation. This role requires deep expertise in laboratory automation, engineering principles, scientific workflows, and biopharma research operations, combined with the ability to influence technical direction, guide cross-functional decision-making, and mentor less experienced engineers and scientists.
Senior Software Engineer - Data Platform SamsaraSenior Software Engineer - Data PlatformAnywhere, CARemoteYou believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to build for scale: With over 2.3 million IoT devices deployed to our global customers, you will work on a range of new and mature technologies driving scalable innovation for customers across industries driving the worlds physical operations.
Staff Machine Learning Engineer SamsaraStaff Machine Learning EngineerSan Francisco, CARemoteYou believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.
Product Test Engineer II - Geodatabase EsriProduct Test Engineer II - GeodatabaseRedlands, CA$79,664–$133,120 / yearCollaborate with software engineers, product engineers, and other stakeholders to test ArcGIS Pro and ArcGIS Enterprise functionality related to Data Management including Geodatabase, Enterprise Databases and Data Store, as well as data management services such as: Utility Network service; Feature service; Network Diagram service; Version Management service; Geodata service; WFS service, and more. Your work will involve discovering innovative ways to improve the products we deliver to our customers worldwide, finding ways to stress our code and build, automate and maintain test scenarios.
AI Engineer SamsaraAI EngineerLos Angeles, CAYou will collaborate with architects, engineers, and cross-functional stakeholders across Samsara to brainstorm, design, rapidly prototype, and productionalize AI-driven features and capabilities that integrate deeply into real business workflows. Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations.
Imagery Product Engineer II - Remote EsriImagery Product Engineer II - RemoteRedlands, CARemote$79,664–$133,120 / yearYou will design and implement test plans, write test code, and validate software, SDKs, and AI models to help deliver robust, high-quality products to our customers. Compensation decisions and the base range for this role take into account many factors including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs.
Senior Data Engineer MozillaSenior Data EngineerSan Diego, CABe a guardian of data quality: You’ll ensure our datasets stay accurate and performant by using our observability tools to monitor quality and joining a weekly triage rotation to resolve data issues as they arise. Recent platform improvements the team has driven include launching a data catalog, introducing data observability, and implementing a medallion architecture to ensure our data is reliable, accurate, and accessible.
Entry Level Data Scientist/Analyst/Java full stack developer SynergisticITEntry Level Data Scientist/Analyst/Java full stack developerLos Angeles, CA$79,000–$127,000 / yearFull timeSince 2010, Synergisticit has helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.
Junior Level Data Scientist/java Programmer (Remote) SynergisticITJunior Level Data Scientist/java Programmer (Remote)Los Angeles, CARemote$79,000–$127,000 / yearFull timeCurrently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients. Since 2010, we’ve helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k.
NewJunior java full stack developer/Data scientist SynergisticITJunior java full stack developer/Data scientistSan Diego, CA$82,000–$127,000 / yearFull timeSynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. · Why do Tech Companies not Hire recent Computer Science Graduates | https://www.synergisticit.com/why-tech-companies-dont-hire-recent-cs-graduates/ .
Tableau/Power BI Developer/Data Scientist SynergisticITTableau/Power BI Developer/Data ScientistSan Diego, CA$79,000–$127,000 / yearFull timeSince 2010, Synergisticit has helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Intel, Paypal, JPMC, Wayfair, BOA, CITI and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.
Data Scientist for Analytics (Engineer/Scientist Support) CACIData Scientist for Analytics (Engineer/Scientist Support)Norco, CaliforniaThis is an exciting opportunity to contribute to technical analysis in support of government-led assessments of Integrated Combat Systems and Weapons Systems across warfare areas including Integrated Air and Missile Defense (IAMD), Surface Warfare (SUW), Ballistic Missile Defense (BMD), Ground Based Air Defense (GBAD), Strike, Area Defense, Self-Defense and Point Defense areas. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Senior Coastal Engineer, Scientist or Resilience Planner Stantec IncSenior Coastal Engineer, Scientist or Resilience PlannerSan Jose, CAPrimary Location: United States | CA | San Francisco Other Locations: United States | CA | San Jose Organization: 1857 EnvSvcs-US West N California-Walnut Creek CA Employee Status: Regular Business Justification: New Position Travel: Yes Schedule: Full time Job Posting: 15/07/2026 06:07:00 Req ID: 1004995. Required Qualifications: Bachelor''s degree and 10+ years of experience in coastal engineering, planning, environmental science, environmental policy, geography, landscape architecture, or a related field; or an advanced degree with 15+ years of relevant experience.
Data Engineer & Scientist The Fountain Group LLCData Engineer & ScientistSanta Clara, CARemote$80–$88.89 / hourYou will act as both a strategic partner as well as builder, developing deep insights, building, developing and curating new datasets, as well as owning the end to end ML/AI model deployment for key customer success initiatives. This unique hybrid role combines data engineering and applied AI/ML, requiring an entrepreneurial problem-solver who thrives in tackling ambiguous business problems through their deep understanding of the business as well as deep technical expertise.
NewSurvivability Systems Engineer/Scientist (Lead or Senior) BoeingSurvivability Systems Engineer/Scientist (Lead or Senior)El Segundo, CaliforniaThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Including but not limited to radiation-related effects such as total dose (including ELDRS and dose rate effects), displacement damage, single event effects, internal ESD charging, Micrometeoroid and Orbital Debris, On-orbit contamination analysis.
Research Engineer/Scientist - Human Alignment, Consumer Devices OpenAI LLCResearch Engineer/Scientist - Human Alignment, Consumer DevicesSan 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. We work closely across research, engineering, design, product, and safety to define what it means to build AI systems that know you over time, act at the right moment, and help in ways that are context-aware, respectful, and demonstrably beneficial.
NewInstrument Design Engineer/Scientist Stanford Research Systems, Inc.Instrument Design Engineer/ScientistSunnyvale, CA$80,000–$130,000 / yearEven if you've never built an instrument, if you own a soldering iron, have built electronic boxes, have written code to control an experiment, enjoy the technology of measurement as much as result itself, understand noise, Fourier transforms and op-amps, have used a spectrometer, vacuum pump or CAD system, then you may be wh o we are looking for. The ideal candidate will have experience with one or more of the following: Electronics (microcontrollers, FPGAs, ADCs, DACs, PLLs, analog, digital, RF, schematic capture and PCB design), software, firmware, HDL, and algorithm design.
Mission Operations Responsible Engineer/Scientist Relativity Space IncMission Operations Responsible Engineer/ScientistLong Beach, CA$164,000–$225,500 / yearThis role carries end-to-end ownership of how the spacecraft is operated - from defining the operations architecture and working directly with multiple science and instrument teams to executing operations that maximize science data collection within real-world spacecraft constraints. By creating a sustainable model for interplanetary exploration, we are transforming space science from an occasional event into a continuous process of discovery that accelerates knowledge, broadens participation, and inspires the next generation of explorers.
Senior Engineer/Scientist – X-ray Source Development ZEISSSenior Engineer/Scientist – X-ray Source DevelopmentDublin, CaliforniaIn this high-impact role, you will drive advanced electron optics and X-ray source design from simulation and research through prototyping and system integration, working cross-functionally to deliver breakthrough imaging performance and shape the future of X-ray technology. We are seeking an accomplished engineer or scientist to lead the development of next-generation X-ray sources with a specialized focus on high voltage (HV) electronics, precision power delivery, and closed loop control systems.
Optical Engineer/Scientist (Ph.D.) Exponent Inc.Optical Engineer/Scientist (Ph.D.)Menlo Park, California$140,000–$154,000 / yearFull timeFor over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Work Environment: At Exponent, we have found that in-person interactions deepen employee engagement and are crucial for development, for realizing the full potential of our talented and diverse teams, and for building a more inclusive workplace where all have a sense of belonging.
Data Scientist for Analytics (Engineer/Scientist Support) CACI International IncData Scientist for Analytics (Engineer/Scientist Support)Norco, CA$69,600–$142,700 / yearThis is an exciting opportunity to contribute to technical analysis in support of government-led assessments of Integrated Combat Systems and Weapons Systems across warfare areas including Integrated Air and Missile Defense (IAMD), Surface Warfare (SUW), Ballistic Missile Defense (BMD), Ground Based Air Defense (GBAD), Strike, Area Defense, Self-Defense and Point Defense areas. Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
Sr. Research Engineer/Scientist(all levels), Efficient Models TikTok IncSr. Research Engineer/Scientist(all levels), Efficient ModelsSan Jose, CAProven experiences in at least one of the following areas: image/video generation and editing; model compression (e.g., quantization, step/cfg distillation); efficient architectures (e.g., MoE, window attention); efficient model design; or reinforcement learning training methods (e.g., RLHF, DPO, GRPO). Develop efficient algorithms and architectures for large-scale generative and multimodal models, using techniques such as step distillation, cfg distillation, quantization, and other methods to improve model efficiency (e.g., image generation, video generation, VLM).
Research Engineer/Scientist (all levels), Efficient Models TikTok IncResearch Engineer/Scientist (all levels), Efficient ModelsSan Jose, CAProven experiences in at least one of the following areas: image/video generation and editing; model compression (e.g., quantization, step/cfg distillation); efficient architectures (e.g., MoE, window attention); efficient model design; or reinforcement learning training methods (e.g., RLHF, DPO, GRPO). Develop efficient algorithms and architectures for large-scale generative and multimodal models, using techniques such as step distillation, cfg distillation, quantization, and other methods to improve model efficiency (e.g., image generation, video generation, VLM).
Research Engineer/Scientist (all levels), World Models TikTok IncResearch Engineer/Scientist (all levels), World ModelsSan Jose, CAAdvance video generation models to capture long-horizon temporal consistency, realistic physical dynamics, object interactions, and causal relationships from large-scale multi-modal data. About the Team The Vision-Applied Research team focuses on applied research in Generative AI and CV/Multimodal Understanding, and delivering intelligent solutions to Tiktok, enabling users to make and share creative content in a much easier way.
Sr. Research Engineer/Scientist (all levels), World Models TikTok IncSr. Research Engineer/Scientist (all levels), World ModelsSan Jose, CAAdvance video generation models to capture long-horizon temporal consistency, realistic physical dynamics, object interactions, and causal relationships from large-scale multi-modal data. About the Team The Vision-Applied Research team focuses on applied research in Generative AI and CV/Multimodal Understanding, and delivering intelligent solutions to Tiktok, enabling users to make and share creative content in a much easier way.
Machine Learning / Senior Machine Learning Scientist / Engineer Calico Life Sciences LLCMachine Learning / Senior Machine Learning Scientist / EngineerSouth San Francisco, CA$170,000–$233,000 / yearCalico's highly innovative technology labs, its commitment to curiosity-driven discovery science, and, with academic and industry partners, its vibrant drug-development pipeline, together create an inspiring and exciting place to catalyze and enable medical breakthroughs. The ideal candidate should be familiar with state-of-the-art machine learning techniques, including language/sequence modeling, representation learning, generative models, and self-supervised learning techniques.
Senior/Expert Electromagnetic Compatibility Engineer/Scientist The Boeing CoSenior/Expert Electromagnetic Compatibility Engineer/ScientistSeal Beach, CA$176,800–$239,200 / yearThe Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement.
Research Engineer / Scientist (SLAM) World LabsResearch Engineer / Scientist (SLAM)San Francisco, CaliforniaWe bring together a world-class team, united by a shared curiosity, passion, and deep backgrounds in technology — from AI research to systems engineering to product design — creating a tight feedback loop between our cutting-edge research and products that empower our users. This role is focused on modern SLAM techniques—both classical and learning-based—with an emphasis on scalable state estimation, sensor fusion, and long-term mapping in complex, dynamic environments.
Research Engineer / Scientist (3D Reconstruction) World LabsResearch Engineer / Scientist (3D Reconstruction)San Francisco, CaliforniaWe bring together a world-class team, united by a shared curiosity, passion, and deep backgrounds in technology — from AI research to systems engineering to product design — creating a tight feedback loop between our cutting-edge research and products that empower our users. Research, prototype, and productionize advanced 3D representations (e.g., implicit functions, point-based or volumetric methods, hybrid representations) with a focus on accuracy, efficiency, and scalability.
Senior Staff Engineer/Scientist, Bioinformatics Stealth CoSenior Staff Engineer/Scientist, BioinformaticsSan Diego, CaliforniaThe ideal candidate combines strong expertise in data science and software development, along with the ability to work cross-functionally with wet-lab and commercial teams. The Senior Staff Engineer, Bioinformatics will develop, advance, and support large-scale analysis of multi-omic data, through application of existing and novel methods.
Research Engineer / Scientist (3D Tech Lead) World LabsResearch Engineer / Scientist (3D Tech Lead)San Francisco, CaliforniaWe bring together a world-class team, united by a shared curiosity, passion, and deep backgrounds in technology — from AI research to systems engineering to product design — creating a tight feedback loop between our cutting-edge research and products that empower our users. This role is ideal for someone with a strong research science (RS) or research engineering (RE) background who has made meaningful contributions to the field of 3D reconstruction and/or modeling—through academic publications, widely used open-source projects, or production systems deployed at scale.
Technical Services Engineer/Scientist SonocoTechnical Services Engineer/ScientistOakdale, CaliforniaFrom a small family business to a multi-billion-dollar global company, Sonoco has been changing the face of products and packaging since 1899 — all while keeping the heart of “People Build Businesses” alive. Reporting directly to the Manager of Technical Services, the Technical Services Engineer will be providing technical support for customer processes, troubleshooting, and can/end failure investigations directly at customer locations.
Battery Engineer/Scientist (Ph.D.) Exponent Inc.Battery Engineer/Scientist (Ph.D.)Menlo Park, California$140,000–$157,000 / yearFull timeFor over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Work Environment: At Exponent, we have found that in-person interactions deepen employee engagement and are crucial for development, for realizing the full potential of our talented and diverse teams, and for building a more inclusive workplace where all have a sense of belonging.
Principal Engineer/Scientist Water Resources Exponent IncPrincipal Engineer/Scientist Water ResourcesOakland, CA$211,500–$258,500 / yearFor over five decades, we''ve connected the lessons of past failures with tomorrow''s solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. To learn more about life at Exponent and our impact, please visit the following links: https://www.exponent.com/careers/life-exponenthttps://www.exponent.com/company/our-impact .
Principal Engineer/Scientist- Water Resources Exponent Inc.Principal Engineer/Scientist- Water ResourcesPasadena, California$211,500–$258,500 / yearFull timeFor over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Work Environment: At Exponent, we have found that in-person interactions deepen employee engagement and are crucial for development, for realizing the full potential of our talented and diverse teams, and for building a more inclusive workplace where all have a sense of belonging.
Electrical Engineer/Scientist/Computer Scientist (Ph.D.) Exponent IncElectrical Engineer/Scientist/Computer Scientist (Ph.D.)Los Angeles, CA$140,000–$154,000 / yearYou will be expected to combine scientific and engineering principles, data driven techniques, and a range of current experimental methods and investigative analysis techniques with robust subject-specific scientific expertise, to implement high-value solutions to complex technical problems. In this role, you will work as part of several teams to develop software, data, and engineering solutions for a diverse range of challenges faced by clients ranging from early-stage startups through to fortune 100 companies.
Research Engineer / Scientist, Memory LettaResearch Engineer / Scientist, MemorySan Francisco, CAWhat You're Responsible For:Defining the key abstractions of the LLM memory layerBuilding memory architectures that support multiple memory types including temporal sequences, episodic experiences, semantic knowledge, and procedural skillsResearching memory sharing between multiple agents that enable effective multi-agent collaborationImproving context management techniques that solve the long-context / context derailment problemRunning evaluations for measuring and improving memory for agentsWhat Were Looking For:Deep expertise in LLMs and retrievalTrack record of impactful research (breakthrough publications and/or open source contributions)Ability to balance execution speed with empirical rigorReal-world impact beyond pure academic workOur cultureSigns it could be a great fit:You want to maximize your impact: you want work on a small, incredibly talented team where every individual plays a huge role in the teams success. We'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.
Research Engineer / Scientist, Self-Improvement LettaResearch Engineer / Scientist, Self-ImprovementSan Francisco, CAWhat you're Responsible For:Developing prompt optimization and system prompt learning methods that allow agents to continuously learn from long-horizon tasksDeveloping methods allow agents automatically generate and test out hypotheses in an environment, or seek out and improve their own weaknessesImproving the efficiency of learning from long-running agentic tasksDesigning and running experiments to measure self-improvement scalablyWhat Were Looking For:Expertise in machine learning, in particular LLMs and continual learningFamiliarity with agent frameworks and prompt optimizationTrack record of impactful research (breakthrough publications and/or open-source contributions)Ability to balance execution speed with empirical rigorReal-world impact beyond pure academic workOur cultureSigns it could be a great fit:You want to maximize your impact: you want work on a small, incredibly talented team where every individual plays a huge role in the teams success. We'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.
Principal Applied Research Engineer/Scientist, Siri Labs Apple IncPrincipal Applied Research Engineer/Scientist, Siri LabsCupertino, CAYou will shape next-generation intelligent architectures that learn continuously, retain and reason over persistent memory, coordinate across agents, and translate frontier research into scalable product experiences. We are seeking a Principal Applied Research Engineer to drive breakthrough innovation across self-improving systems, agentic memory, and deeply personalized autonomous multi-agent systems.
Research Engineer / Scientist, Post-Training LettaResearch Engineer / Scientist, Post-TrainingSan Francisco, CASFT fine-tuning, reinforcement learning, reward models, preference learningAbility to balance execution speed with empirical rigorProven track record of impactful research (breakthrough publications and/or open-source contributions)Real-world impact beyond pure academic workOur cultureSigns it could be a great fit:You want to maximize your impact: you want work on a small, incredibly talented team where every individual plays a huge role in the teams success. What You're Responsible For:Training models for better agentic tool-use, particularly for context managementDesigning mechanisms for continuous model weight updates post-deployment without catastrophic forgettingDesigning and run experiments to improve understanding of the interplay between data mixtures, training algorithms, and modelsBuilding infrastructure for generating and collecting synthetic data at scaleBuilding challenging evals for measuring agentic capabilitiesWhat Were Looking For:Proficiency in python and deep learning frameworks eg.
Research Engineer / Research Scientist -Personal AGI, Proactivity OpenAIResearch Engineer / Research Scientist -Personal AGI, ProactivitySan 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. The Proactivity Research team, within OpenAI’s broader Personal AGI team, is focused on making our models in ChatGPT and future potential products proactive in ways that are truly useful.
Research Engineer / Research Scientist- Personal AGI (Post Training) OpenAIResearch Engineer / Research Scientist- Personal AGI (Post Training)San 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. The team partners closely with research and product teams across the company, and conducts research as a final step to prepare for real world deployment to millions of users, ensuring that our models are safe, efficient, and reliable.
NewResearch Engineer/Research Scientist, Personal AGI-Model Experience OpenAIResearch Engineer/Research Scientist, Personal AGI-Model ExperienceSan 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. AI is an extremely powerful tool that must be created with safety and human needs at its core, and to achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity.
Research Engineer/Research Scientist - Personal AGI, North Stars OpenAIResearch Engineer/Research Scientist - Personal AGI, North StarsSan 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 will work on bringing the next generation of AI-enabled experiences to all of humanity by closing the capability overhang between power users and the average consumer, including areas like tool-use, feature discovery, connectors, and instruction following.