Research Engineer - Language Model Pre-Training
Zyphra
Zyphra is an artificial intelligence company based in San Francisco, California. The Role: As a Research Engineer - Language Model Pre-Training , you\'ll shape our language model roadmap through end-to-end pretraining development. You will work extremely closely with our pretraining team, who will integrate your insights into our next-generation models. You'll Work Across: Large-scale training runs and model parallelization Performance optimization of our pretraining stack Dataset collection, processing, and evaluation Architecture and methodology research, including optimizer ablations What We're Looking For / Requirements: Strong engineering aptitude for rapidly implementing reliable and robust systems Can rapidly learn new fields and are excited to implement new ideas Excellent communication and collaboration skills, and can work effectively on both research and engineering implementation at scale Qualifications / Additional Skills: Deep expertise and intuition for solving machine learning problems and training models Experience with training on large-scale (multi-node) GPU clusters Deep understanding of model training pipelines – including model/data parallelism, distributed optimizers, etc. Strong grasp of proper experimental methodology for running rigorous ablations and other hypothesis testing Understanding of large-scale, highly parallel data processing pipelines High proficiency with PyTorch and Python. Strong ability to dive into large pre-existing codebases and rapidly get up to speed Published machine learning research in well-respected venues is a plus Postgraduate degree in a scientific subject (Computer Science, EE/EECS, Math, Physics) Why Work at Zyphra: Our research methodology is to make grounded, methodical steps toward ambitious goals. Both deep research and engineering excellence are equally valued We strongly value new and crazy ideas and are very willing to bet big on new ideas We move as quickly as we can; we aim to minimize the bar to impact as low as possible We all enjoy what we do and love discussing AI Benefits and Perks: Comprehensive medical, dental, vision, and FSA plans Competitive compensation and 401(k) plan Relocation and immigration support on a case-by-case basis In-office snacks and meals provided Unlimited PTO and company holidays In-person team in San Francisco with a collaborative, high-energy environment #J-18808-Ljbffr Zyphra
- Zyphra, an AI company in San Francisco, seeks a Research Engineer - Language Model Pre-Training to develop their language model roadmap. Candidates should have strong engineering skills and excel in machine learning, collaborating closely with their pretraining team. The...TrainingLanguage
$340k - $425k
...is a quickly growing group of committed researchers, engineers, policy experts, and business leaders... ...seeking a Research Engineer to join our Pre-training team, responsible for developing the next generation of large language models. In this role, you will work at the intersection...TrainingLanguageWork at officeVisa sponsorshipFlexible hours$315k
...quickly growing group of committed researchers, engineers, policy experts, and business... ...the role Anthropic's production models undergo sophisticated post-training processes to enhance their capabilities... ...-tuning, or evaluating large language models Can balance research...TrainingLanguageWork at officeVisa sponsorshipFlexible hours- ...intelligence to serve humanity. We’re training and deploying frontier models for developers and enterprises... ...customers. Cohere is a team of researchers, engineers, designers, and more, who are passionate... ...future! Why this role? Large Language Models (LLMs) continue to push...TrainingLanguageFull timeWork at officeRemote workFlexible hours
- A leading AI research firm in San Francisco is seeking a Research Engineer specializing in Model Architectures. You will design and rigorously test innovative model architectures... ...and collaborating closely with pre-training teams. Candidates should exhibit strong research...Training
- ...Francisco, California. The Role: As a Research Engineer - Model Architectures , you will be a core contributor... ...testing novel model architectures and training methodologies, with a focus on... ...also work extremely closely with our pre-training team, who will integrate your...TrainingWork at officeRelocation package
- ...Hedra is a pioneering generative modeling company — first models to... ...industry and economy use cases. As a Research Engineer on our Physical AI team, you will lead pre-training and post-training on action-... ...world models and vision-language-action (VLA) models Develop and...TrainingLanguageWork at office
$320k
...growing group of committed researchers, engineers, policy experts, and... ...is the potential for models to interact with... ...Develop privacy-first training algorithms and... ...familiarity with large language models, how they work... ...collecting training datasets, pre-training models, post...TrainingLanguageFull timeWork at officeVisa sponsorshipFlexible hours$180k - $270k
Research Engineer (Focused on RL) You'll bring reinforcement learning... ...— building the training infrastructure, reward... ...systems that make our models meaningfully better at... ...translate your work into language that engineers,... ...future-you will thank you Pre-tax benefits — Access...TrainingLanguageFull timeTemporary workRemote work$180k
...motivated, and focused on engineering excellence. This... ...All engineers and researchers are expected to have strong... ...engineers to build generative models that can accurately... ...edge multimodal language models, with a particular... ...data. Develop and train multimodal transformers...TrainingLanguageWork at officeLocal areaRelocation- ...Research Systems Engineer As a research systems engineer, you'll train frontier-scale models and develop the methods that make continual learning... ...Post-train frontier-scale language models on enterprise tasks... ...have Background in pre-training or post-training...TrainingLanguageVisa sponsorshipRelocation package
Applied Compute
San Francisco, CA1 day ago $280k
...growing group of committed researchers, engineers, policy experts, and business... ...to keep highly capable models helpful and honest, even as... ...of our safety techniques by training language models to subvert our safety... ...relocating". Team Matching * Pre-training — The Pre-training...TrainingLanguageContract workFor contractorsFor subcontractorWork at officeRelocationVisa sponsorshipWork visaFlexible hours$166k - $225k
...enables companies to develop AI models and systems using their own... ...technologies ranging from pre‑training LLMs from scratch to... ...all. Job Description As a research engineer on the Scaling team, you will... ...training frameworks for large language models, including...TrainingLanguageWorldwide- A leading AI research company in San Francisco is seeking a Staff Research Engineer to enhance the efficiency of large language models. In this role, you will develop and implement advanced techniques to optimize model performance in production. Ideal candidates will hold...LanguageRemote work
$320k
Anthropic in New York City is seeking a Research Engineer to develop evaluations for Claude’s capabilities. The ideal... ...running evaluations, and debugging results during training runs. The role offers a hybrid work model and competitive compensation ranging from $320,000...TrainingRemote job- ...Today, not even the best models can continuously... ..., a new primitive for training efficient, large‑scale... ...innovation and systems engineering paired with a design‑minded... ...world’s diversity of languages and cultures. We are... ...scalable systems that bridge research and production....TrainingLanguageWork at officeRelocation package
Cartesia
San Francisco, CA3 days ago $150k
...frontier foundation models and end-to-end... ...combination of ambitious research vision and... ...world datasets to train and deploy state‑of... ...science team. Manage pre/post training runs... ...programming language. 5+ years of leading... ...lead, or leading an engineering team. Expertise...TrainingLanguageInternshipLocal area$58 - $63 per hour
...Research Intern, Model Shaping (Fall 2026) San Francisco About The Role... ...areas: Advanced post-training methods across supervised learning... ...machine learning, natural language processing, and ML systems.... ...Science, Electrical Engineering, or a related field Strong...TrainingLanguageHourly payInternshipWork at officeTogether AI
San Francisco, CA2 days ago- ...Research Engineer, Foundation Models About the Opportunity We are seeking a Research Engineer to help... ..., focusing on the development, training, evaluation, and deployment of state... ...directly to cutting-edge work in large language models, reinforcement learning,...TrainingLanguageVisa sponsorshipRelocation packageFlexible hours
Acceler8 Talent
San Francisco, CA3 days ago - ...elite founders and AI researchers, with backgrounds spanning... ...what "better" means. Models, agents, and product... .... With one, every training run, every prompt change... ...what we want Product engineers, by instrumenting real... ...did it get better" into language an OEM partner can...TrainingLanguageRelocation package
- ...of memory features—from research to production. You’ll fine-tune models for extraction, updates,... ...from papers; and ship with Engineering to SOTA latency,... ...You’ll Do Fine-tune and train models for memory extraction... ...for complex vision-and-language tasks (gold sets, offline...TrainingLanguage
$25 per hour
Pre‑School Extended Care Program Monitor The International School of San Francisco is a PK‑12 independent school in San Francisco. Founded... .... Qualifications ECE (Early Childhood Education) Units. CPR training preferred. Enthusiastic, fast learner, proactive. Team‑worker...TrainingFull time- ...IT Consulting is seeking a Senior Propulsion Engineer to evaluate AI-generated content related to... ...in a related discipline and knowledge of AI training processes would be advantageous. Join a team challenging AI language models to improve their technical reasoning. #J-188...TrainingLanguageRemote job
- ...Francisco, California. The Role: As a Research Engineer - Agency and Reasoning , you will be... ...research in reinforcement learning, post-training, and human preference learning, and... ...at scale to our next generation of language models. What We’re Looking For / Requirements...TrainingLanguageWork at officeRelocation package
- ...The Center for AI Safety is a research and field-building nonprofit... ...research. As a research engineer here, you will pursue a variety... ...at scale on large language models. Representative Projects Finetuning... ...Have experience launching and training distributed ML jobs. Communicate...TrainingLanguageWork at office
$190k - $320k
Research Engineer - Computer Vision & Machine Learning Want to build vision... ...devices where perception, language, and interaction are tightly... ...the boundary between learned models and physical reality,... ...reading papers, building and training models, designing datasets,...TrainingLanguage- ...coding. We operate across research, engineering, product, and infrastructure... ...and reliability of AI coding models through a combination of... ...research insights into model training, alignment, and evaluation.... ...the boundaries of large language models, especially in the domain...TrainingLanguageWork at officeRelocation package
- ...intelligence company based in San Francisco, California. The Role: As a Research Engineer - AI Performance & Kernel Optimization , you will improve and optimize the performance of our large-scale language model training and inference stacks. You will work closely with our...TrainingLanguageWork at officeRelocation package
$295k
Research Engineer - Speech & Realtime Models B2B Applications - San Francisco About the Team OpenAI is at the forefront of artificial intelligence... ...principles. Are familiar with methods of training and fine ‑tuning large language models, such as distillation, supervised fine‑...TrainingLanguageInternship- ...that powers breakthrough AI models at leading research labs and enterprises. Since... ...to produce high-quality training data at scale Frontier Data... ...Overview As an Applied Research Engineer, you will be at the... ...frontier AI models—such as large language models and multimodal...TrainingLanguageFlexible hours
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