Research Engineer (Pre-training)
$175k - $250kHartleyCo
This range is provided by HartleyCo. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $175,000.00/yr - $250,000.00/yr About Our Client: Our client is assembling a world-class team to push the boundaries of AI research and development. Their mission is to build models that generalize and adapt to novel problems, bridging cutting-edge research with real-world applications. The Role: As a Research Engineer in Pre-Training, youll develop and implement advanced pre-training techniques to enhance foundation models. Working closely with Research Scientists, youll experiment with model architectures, training strategies, and large-scale data pipelines to drive AI innovation. What You’ll Do: Design and optimize novel pre-training methods to improve model performance. Conduct large-scale training experiments and analyze results. Collaborate with data and product teams to refine models for real-world applications. Build scalable pre-training pipelines for massive datasets. What We’re Looking For: Strong ML fundamentals and hands-on experience with large-scale models. Proficiency in Python, JAX, PyTorch, or TensorFlow. Experience with frameworks like Megatron, DeepSpeed, or MaxText. Problem-solving mindset with a research-driven approach. Ability to deploy pre-trained models in production environments. This is a fully on-site role in San Francisco, with relocation assistance available. If youre passionate about AI research, we’d love to hear from you! Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries IT Services and IT Consulting #J-18808-Ljbffr HartleyCo
- Gravity Engineering Services Pvt Ltd. is seeking a Research Engineer/Research Scientist to join their Pre‑training team in San Francisco. The successful candidate will develop next-generation large language models through cutting-edge research at the intersection of engineering...Training
- ...a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to... ...seeking a Research Engineer/Research Scientist to join our Pre‑training team, responsible for developing the next generation of large...TrainingVisa sponsorship
$340k - $425k
...a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to... ...interests. We are seeking a Research Engineer to join our Pre-training team, responsible for developing the next generation of large...TrainingRemote jobWork at officeVisa sponsorshipFlexible hours- ...Capital in San Francisco is seeking talented individuals for AI research roles focused on open superintelligence. Candidates will... ...in Computer Science or a related field, possess solid software engineering skills, and have experience with large-scale systems. The position...Training
- ...Description 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...TrainingWork at officeRelocation package
$225k
...promising path to safe AGI lies in automating research and code generation to improve models... .... Our approach combines frontier-scale pre-training, domain-specific RL, ultra-long context... .... About the role As a Research Engineer, you'll work on training, evaluating,...TrainingRelocationVisa sponsorship- ...Research Engineer On Physical Ai Team Hedra is a pioneering generative modeling company — first models to market — now building a Physical... ...a Research Engineer on our Physical AI team, you will lead pre-training and post-training on action-conditioned world models,...TrainingWork at office
- ...San Francisco, building a Physical AI team to translate models into real-world industry uses. As a Research Engineer on our Physical AI team, you will lead pre-training and post-training on action-conditioned world models, working closely with industrial partners to close...Training
$150k - $350k
...sandboxes, high‑performance training, and deployment into one full... ...horizon tasks like autonomous research, and the full‑stack platform... ...training infrastructure behind our pre‑training and large‑scale RL... ...and infrastructure engineers to translate bottlenecks into...TrainingRemote workVisa sponsorshipRelocation packageFlexible hours$350k
...is a quickly growing group of committed researchers, engineers, policy experts, and business leaders... ...emerging properties of models through pre-deployment alignment and welfare assessments... ...robustness of our safety techniques by training language models to subvert our safety...TrainingWork at officeVisa sponsorshipFlexible hours$150k - $230k
Triage is an applied research lab building adaptive security and safety... ...2025, Triage raised a $1.5M pre‑seed round led by BoxGroup. Our... ...re hiring a Founding Research Engineer to drive the research agenda... ...from product. The sentries we train become the detectors our customers...TrainingFull time$295k
About The Team The Post-Training team is responsible for training and improving pre-trained models to be deployed into ChatGPT... ...The team partners closely with research and product teams across the... .... About The Role As a Research Engineer / Scientist, you will research and...TrainingWork at officeRelocation package$280k
...is a quickly growing group of committed researchers, engineers, policy experts, and business leaders... ...robustness of our safety techniques by training language models to subvert our safety techniques... ...type "relocating". Team Matching * Pre-training — The Pre-training team trains...TrainingContract workFor contractorsFor subcontractorWork at officeRelocationVisa sponsorshipWork visaFlexible hours$174k - $253k
Research Engineer, Frontier Safety Risk Assessment, DeepMind DeepMind - Locations: San Francisco... ...experience with Large Language Model (LLM) training and inference. A track record of... ...and develop new methods for measuring pre‑mitigation and post‑mitigation risk, incorporating...Training$166k - $225k
...systems using their own data, with technologies ranging from pre‑training LLMs from scratch to augmented generation using the latest... ...AI models should be available to all. Job Description As a research engineer on the Scaling team, you will be responsible for keeping up...TrainingWorldwide$140k - $200k
Join to apply for the Founding ML Research Engineer - Training Infrastructure role at Kalpa Labs (YC F25) This range is provided by Kalpa Labs (YC... ...We’re hiring a Founding ML Research Engineer to build the pre-training and post-training infrastructure for training some...TrainingFull time$200k - $325k
Research Engineer (Scaling Multimodal Data) About World Labs: We build foundational world models... ...and compute; they are a product of the training data. The model output reflects someone... ...How do you strike the balance between pre‑processing data and computing things on...Training$140k - $250k
...Francisco, CA Work Model: Hybrid Industry: AI training data infrastructure Compensation: $140K... ...hiring priority and a genuinely hard research problem. Because data flows through a... ...bottleneck to growth. As a Research Engineer, you will build the automated systems that...TrainingFull timeWork at office- ...Adam Founding Research Team Opportunity We're building the founding research team at Adam. At Adam, we're tackling a frontier problem: training AI models to intelligently interpret and edit parametric CAD in 3D space. This demands creativity, deep technical ability...Training
- ...small, highly motivated, and focused on engineering excellence. This organization is for... ...skills are important. All engineers and researchers are expected to have strong... ...their teammates. About the Role The pre-training team at xAI aims to provide an omni model...TrainingLocal areaRelocation
- ...About the Team The Codex Research team creates the frontier agents OpenAI ships to the world. We are training the models behind our agents in Codex, ChatGPT, the API... ...problem and make progress across research, engineering, data, evals, and product. You should be excited...Training
$200k - $350k
...applied AI team spanning Ex-Moonshot (post-training & agents, diffusion model training), second-time technical founders, engineers that made 100+ games for Voodoo, Supersonic... ...engaging games & 3D environments. Our current research spans: Distributed multi-agent...TrainingVisa sponsorshipRelocation package$200k - $400k
...About the Team Read more about the research team's work here: The Research team... ...implement state-of-the-art techniques in model training, prompting, orchestration, and... ...About the Role As a Senior Research Engineer, you'll be responsible for building industry...TrainingFull timeWork at officeLocal area$120k - $200k
...We are actively seeking a Research Engineer specializing in Machine Learning and AI to play a pivotal role in pioneering advanced solutions... ...solutions for large-scale data processing and model training. Experience with low-level optimizations, such as CUDA...TrainingCasual workWork at office$120k - $250k
...Research Engineer London, England, United Kingdom; New York, New York, United States; San Francisco, California, United States; Seattle... ...Founded in 2019, we build an end-to-end platform for developing, training, and deploying AI systems—designed to take ideas from...TrainingWork at officeWork from homeFlexible hours2 days per week- About the Role As a Research Engineer in our Reasoning team, you'll play a crucial role in shaping our technological direction, focusing on... ...models to the infrastructure that enables anyone to create, train, and deploy them. This involves aggregating and orchestrating...TrainingWorldwide
- Anthropic is seeking a Research Engineer to build the next generation of training environments for safe and capable AI. This role blends research with engineering responsibilities, requiring you to implement novel approaches while contributing to research direction. You...TrainingRemote job
- XOR is seeking Research Engineers or Research Scientists in San Francisco to enhance AI capabilities through innovative research and engineering. You will train models, optimize infrastructure, and develop methodologies for RL agents. This role emphasizes hands-on engineering...Training
- Anthropic in San Francisco is looking for a Research Engineer to enhance AI systems by advancing their coding abilities—encompassing writing... .... You will design RL tasks and develop reward signals, run training experiments, and play a pivotal role in shaping the future...Training
- An innovative firm is seeking an Applied Research Engineer to advance AI alignment and improve data quality for AI models. In this role, you... ...advanced systems that integrate human feedback into AI training processes, ensuring models reflect human preferences accurately...Training
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