Staff Research Engineer Open Models & Data Quality

Reflection AI

Reflection is a research lab focused on open, accessible intelligence. The role centers on designing data sourcing, curation, and filtering for large-scale models, with emphasis on data quality, safety, and licensing.

You will collaborate with pre-training teams to scale systems and share insights with the open AI community. The ideal candidate has strong Python skills, experience with PyTorch or JAX, and a PhD or equivalent research background in CS/ML.

#J-18808-Ljbffr

Apply

Vacancy posted 4 days ago

Similar jobs that could be interesting for youBased on the Staff Research Engineer Open Models & Data Quality in San Francisco, CA vacancy

Staff ML Research Engineer - Open Models
...Reflection is a research lab building open models that let anyone control their intelligence and help shape... ...of AI. We source, curate, and scale data responsibly to fuel cutting-edge models... ...contribute to data collection pipelines, quality metrics, and pre-training experiments...
Data
Quality
Reflection
San Francisco, CA
1 day ago
Senior/Staff Machine Learning Research Engineer, General Agents, Enterprise GenAI
$290.4k - $363k
Scale AI is the data foundation for AI,... ...RoleAs a Senior/Staff Machine Learning Engineer (MLE) on the General... ...lifecycle—from model and system design... ...writing production-quality, testable, and... ...spaces, balancing research-driven approaches... ...APIs, commercial or open-source LLMs)....
Data
Quality
Full time
Scale AI
San Francisco, CA
3 days ago
Research Engineer, Data Infrastructure (Language Modeling)
...Research Engineer, Data InfrastructureData is the lifeblood of our models, and we are looking for a Research Engineer, Data Infrastructure... ...shape the capabilities and quality of our foundational models.... ...design along the way.We have an open & inclusive culture that's focused...
Data
Quality
Work at office
Visa sponsorship
Cartesia, Inc.
San Francisco, CA
4 days ago
Member of Technical Staff - ML Research Engineer, Pre-Training Data
...deployment targets, from data center... ...Liquid Foundation Models learn from: which... ...plateauing, so model quality increasingly depends... ...We treat data as a research problem, not an infrastructure... ..., ships like an engineer: You build the... ...work from open question to shipped...
Data
Quality
Weekend work
Liquid-Ai
San Francisco, CA
1 day ago
AI Research Engineer End-to-End Training & Open Models
...LanceDB is seeking an AI Research Engineer to work with the research team on end-to-end training flows... ...showcase how LanceDB accelerates research from data curation to modeling, with a strong emphasis on practical impact and open science. You will publish models and...
Data
LanceDB
San Francisco, CA
4 days ago
Senior / Staff Research Engineer, Generative AI Deployment
$200k - $275k
...To learn more visit: As a Research Engineer focused on Generative AI... ...for the neural and generative models that power Waabi World, our multi... ...and developing production-quality software at scale, not only prototypes... ...information about how your data is processed, please contact...
Data
Quality
Full time
Work at office
Work from home
Flexible hours
Waabi
San Francisco, CA
21 days ago
Research Engineer, Model Evaluation and Improvement
$136.44k - $265.11k
...structured scientific data and AI are built into... ...and run AI agents and models directly in their workflows... ...of software engineering, biology, and frontier... ...scientific data into high-quality tasks and environments... ...scientists, and external research partners.Desire to...
Data
Quality
Work at office
Local area
Monday to Friday
Shift work
Benchling
San Francisco, CA
5 days ago
Staff Research Engineer, Enterprise Knowledge
$250k - $400k
...labs to generate high-quality datasets, reinforcement... ..., and frontier research benchmarks that improve model capabilities in software engineering, enterprise knowledge... ...largest and longest-running data provider in the category... ..., publications, open-source work, workshops...
Data
Quality
Turing
San Francisco, CA
13 days ago
Research Engineer/Research Scientist- Personal AGI, Model Experience
...Research Engineer / ScientistThe Personal AGI team is responsible for training... ...and improving pre-trained models to be deployed into ChatGPT,... ...model behavior through human data, evaluations, reward models,... ...product-driven research and the quality of human-AI interaction.This...
Data
Quality
Work at office
Relocation package
OpenAI
San Francisco, CA
4 days ago
Staff Research Engineer, Model Efficiency
...and deploying frontier models for developers and... .... Cohere is a team of researchers, engineers, designers, and more,... ...without compromising model quality Please Note: We... ...preferred locations. As a Staff Research Engineer, you... ...these Perks: ~ An open and inclusive culture...
Quality
Full time
Work at office
Remote work
Flexible hours
cohere
San Francisco, CA
9 hours ago
Data Acquisition & Operations Lead for Open Models
...Reflection is a research lab focused on making intelligence open and accessible. We are seeking a Human Data Operations Manager to own data acquisition... ...from vendors to improve model usefulness and performance.... ..., establish data quality frameworks, track metrics,...
Data
Quality
Reflection
San Francisco, CA
1 day ago
Research Engineer, Applied Research
...Workspace.Sierra’s Applied Research team advances the quality, speed, and cost efficiency of the models powering our agents... ...spans post-training open-weight models for... ...working deeply with data, experimentation, evaluation... ...TypeOn-siteDepartmentEngineeringPlatform Engineering
Data
Quality
Full time
Flexible hours
Sierra
San Francisco, CA
2 days ago
Staff Data Flywheel Engineer Open Models
...Reflection AI is seeking a hands-on ML/data role at the intersection of research and deployment. You will translate model behaviors into measurable evaluations, design data... ..., and collaborate with researchers, engineers, and partners to drive real-world improvements...
Data
Reflection AI
San Francisco, CA
3 days ago
Staff Research Engineer, Multi-Agent Scaling
...growing group of committed researchers, engineers, policy experts, and... ...about what the data does and doesn't showInvestigate... ...or another field that models and optimizes complex... ..., we expect all staff to be in one of our offices... ...confirmed position openings.How We're DifferentWe...
Data
Work at office
Visa sponsorship
Flexible hours
Anthropic
San Francisco, CA
4 days ago
Staff+ Research Engineer, RL Data PlatformNew
...Staff+ Research Engineer, RL Data Platform San Francisco, CA | New York City, NY About... ...a steady supply of high-quality data - human feedback, expert... ...and pipelines that route model samples to humans and... ...directly for confirmed position openings. How we're different We...
Data
Quality
Full time
Contract work
For contractors
For subcontractor
Work at office
Visa sponsorship
Flexible hours
Anthropic
San Francisco, CA
9 hours ago
Research Engineer, Reinforcement Learning
...Research Engineer – Reinforcement LearningLocation: San Francisco... ...mission-critical data infrastructure and pipelines... ...to enhance language models' ability to reason... ...Curate and build high-quality datasets for supervised... ...problems.Contributions to open-source projects in RL,...
Data
Quality
Tensorstax
San Francisco, CA
4 days ago
Staff Bioinformatics Research Engineer
$188.28k - $288.5k
Join to apply for the Staff Bioinformatics Research Engineer role at BioSpace Join to apply... ...sequencing technology, biological data, and distributed systems.... ...as machine learning and model development, will enable... ...page @ freenome.com/job-openings/ for additional company...
Data
Full time
Local area
BioSpace
Brisbane, CA
5 days ago
Research Engineer, Mid-Training
...the first AI software engineer.Our team is extremely... ...points in the entire model pipeline. This is where... ...fundamentally capable of: data mix and quality uplift, annealing... ...t distinguish between research and engineering; we expect... ...: publications, open-source impact, or internal...
Data
Quality
Cognition AI
San Francisco, CA
1 day ago
Applied Research Engineer
...Computer Use, Multimodal Models, Long-Horizon... ...looking for early research talent to help... ...hiring a Research Engineer / Scientist to own... ...hypothesis generation, data strategy, model... ...The team is open to a range of backgrounds... ...evaluation, data quality, experimental...
Data
Quality
Internship
NxT Level
San Francisco, CA
4 days ago
Research Engineer
$180k - $280k
...responsible, next-generation models powered by high-quality human data. We’re a fast-growing... ...Impact You’ll Make Our research team is expanding to keep... ...the field. As a Research Engineer, you’ll take a research... ...publications, significant open‑source research work, industry...
Data
Quality
Full time
SuperAnnotate AI
San Francisco, CA
4 days ago
Research Engineer, Web Crawling
$350k
...training frontier models with Inkling, developing... ...hiring a Software Engineer to build and own... ...and deciding what data we keep.The ideal... ...moving model quality, but this is fundamentally... ...role, not a research one.What You'll DoDesign... ...record of open-source contributions...
Data
Quality
Local area
Visa sponsorship
Work visa
Relocation package
Thinking Machines Lab
San Francisco, CA
2 days ago
Research Engineer
...AI is the first audio data research company. We bring an R... ...rigor AI labs bring to models. Our mission is to... ...use cases emerge, high-quality training data is the bottleneck... ...of former Scale AI engineers and operators. In less... ..., contributing to open-source softwares.PhD or...
Data
Quality
Work at office
David AI
San Francisco, CA
2 days ago
Research Engineer - Inference
...Intellect is building the open superintelligence... ...production models. We are building open... ...tasks like autonomous research, and the full-stack... ...workflows, tools, data, and feedback loops... ..., balancing model quality against execution cost... ...of inference-engine internals.Strong Python...
Data
Quality
Remote work
Visa sponsorship
Relocation package
Flexible hours
Prime Intellect
San Francisco, CA
4 days ago
Research Engineer, Benchmarks
...HUD Research EngineerHUD is building infrastructure... ...to create RL training data and evals for... ...looking for Research Engineers to build high-quality benchmarks for evaluating... ...infrastructure to reliably run models and agents against... ...or Singapore but are open to remote candidates...
Data
Quality
Full time
Work at office
Remote work
Relocation
Visa sponsorship
Hud (yc W25)
San Francisco, CA
1 day ago
Research Engineer
$200k - $350k
...lab building World Models for highly... ...technical founders, engineers that made 100+ games... ...generation pipelines, data-efficient training... .... Our current research spans:Distributed... ...pipelines for adaptive, open-ended game... ...for creating studio quality simulated environmentsWe...
Data
Quality
Visa sponsorship
Relocation package
ROAM
San Francisco, CA
4 days ago
Research Engineer (General)
...Research EngineerHUD is building infrastructure... ...RL training data and evals for frontier... ...looking for Research Engineers to build the... ...environments, improve data quality, and translate... ...to understand model behavior, agent failure... ...Singapore but are open to remote...
Data
Quality
Full time
Work at office
Remote work
Relocation
Visa sponsorship
Hud (yc W25)
San Francisco, CA
1 day ago
Research Engineer, Large-Scale Training
$200k - $290k
...The Model Shaping team at Together AI works on products and research for tailoring open foundation models to downstream applications... ...domain-specific data. In addition, we... ...systems. As a Research Engineer on the Scaling Team... ...ensuring production‑quality reliability and...
Data
Quality
Full time
For contractors
Together AI
San Francisco, CA
1 day ago
Staff Machine Learning Engineer
$190k - $285k
...significant strides in LLM quality for these products... ...multiple GenAI Engineers from junior levels... ...-of-the-art AI models and systems that... ...).Develop novel data collection, fine-tuning... ..., including AI researchers, ML engineers, and... ...note we are open to employees working...
Data
Quality
Work at office
Local area
Worldwide
DataBricks
San Francisco, CA
3 days ago
Research Engineer / Scientist, Reinforcement Learning
$230k - $340k
...Member of Technical Staff, Modeling in Harvey Research, you'll own how we adapt... ...and improve leading open-weight models for... ...team of hands-on engineers and researchers, where... ...and expert preference data, and study where... ...Python, with production-quality code and end-to-end...
Data
Quality
Harvey
San Francisco, CA
4 days ago
Staff Product Design Engineer
$220k - $275k
...Internet of Things (IoT) data to develop actionable... ...:We’re looking for a Staff Product Design Engineer to join our team. In... ...design.This role is open to candidates... ...evaluation, rigorous product quality testing, customer... ...goalsChampion, role model, and embed Samsara’s...
Data
Quality
Full time
Work at office
Remote work
Worldwide
Flexible hours
3 days per week
Samsara
San Francisco, CA
3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Staff Research Engineer Open Models & Data Quality. Be the first to apply!