Research Engineer - Synthetic RL Data & Systems
hillclimb
hillclimb is seeking a research engineer to work on synthetic data generation and maintain quality pipelines for RL environments. The ideal candidate will possess a strong understanding of NLP and RL techniques, alongside a solid grasp of data structures and modern programming languages like Python and C++. This role offers a unique opportunity to contribute to innovative projects at the intersection of data and technology. #J-18808-Ljbffr hillclimb
- Proximal is building research systems to identify limitations of frontier models, create... ..., and measure improvements with data and evaluations for frontier AI labs. As a research engineer, you will tackle open-ended problems across RL, agents, and data, sharing work through...Data
- ...Research Scientist, Research Engineer, AI Systems EngineerThe Recursive Self-Improvement (RSI) team works across... ...workflows and model failures into data and evaluation flywheels.Improve... ...capabilities through agent harnesses, synthetic data, RL environments, and model training...Data
$110.7k - $379.2k
Position Summary Research Engineer — Post-Training &... ...rely on a healthcare system whose decision-making... ...models end to end — from data and reward design through... ...verifiable-reward RL — designing reward signals... ...with large-scale and synthetic datasets, filtering, deduplication...DataLocal areaVisa sponsorship$264.8k - $331k
...Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAIAI is becoming vitally... ...9 years, Scale has been the leading AI data foundry, helping fuel the most exciting... ...the algorithms for our next-gen Agent RL training platform, support large scale...DataFull time$180k - $250k
...Research EngineerSuperAnnotate helps the world... ...-quality human data. We're a fast-growing... .... As a Research Engineer, you'll take a research... ...(for example, an RL/agentic... ...one of: RL/agentic systems, AI/ML evaluation... ....Familiarity with synthetic data generation or...DataFull time$264.8k - $331k
Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI AI is becoming vitally... ...9 years, Scale has been the leading AI data foundry, helping fuel the most exciting... ...the algorithms for our next-gen Agent RL training platform, support large scale...DataFull timeContract workFor contractorsFor subcontractorWork at office- Preference Model is seeking Research Engineers or Research Scientists to advance self-directed learning in AI. The role involves training and evaluating models within proprietary RL environments and optimizing ML infrastructure. Candidates will benefit from competitive...
- Frontier Arc in San Francisco seeks a Research Engineer to push the core RL research agenda. You’ll own the end-to-end loop—from designing policies to... ...proprietary simulator that aims to replace costly real-world data collection. You’ll join a small, technically serious...Data
$155k - $269k
...part of a multidisciplinary team of Research Scientists and Engineers building the content backbone of a best... ...just prototypes. You have shipped systems that other engineers and researchers... ...would like more information about how your data is processed, please contact us....DataFull timeWork at officeWork from homeFlexible hours$189.6k - $237k
...The platform has been powering MLEs, researchers, data scientists and operators for fast and... ...systemIdeally you’d have:Strong excitement about system optimizationExperience with multi-node... ...distributed ML systemsStrong software engineering skills, proficient in frameworks and...DataFull time$100k - $300k
...This is a hands-on research and engineering role at a small, early... ...verifier-grounded training data for robotics and... ...robot capabilities from synthetic environments into... ...Develop learning systems for robots, including... ...training and evaluating RL and imitation-learning...DataFull time- ...company in San Francisco is looking for a candidate to drive research initiatives that influence engineering solutions. You'll build evaluations using real tool data, tackle search challenges for tools, and train systems for improved accuracy. Ideal candidates will have...Data
$150k - $250k
...global social organizations.We research and deploy technologies that... ...into self-constructing systems, the development of the most... ...Looking ForAt Distyl, Research Engineers build the bridge between... ...learning, reward modeling, synthetic data, evals, or related post-training...DataWork at office3 days per week- ...Research EngineerLotus Health is a groundbreaking primary... ...ex-founders and engineers who have built and scaled... ...reasoning and agentic systems that power Lotus. You... ...will turn messy health data into accurate, cited,... ...deidentificationDesign synthetic data and clinician-in-...Data
- ...Research EngineerHUD is building infrastructure to create RL training data and evals for frontier AI agents, as well as a marketplace to sell these to frontier labs through... ...VCs and were YC W25.ResponsibilitiesCreate QC systems based on true understanding and human...DataFull timeRemote workRelocationVisa sponsorship
- ...Research EngineerWe're reverse-engineering the origin of life — one of the great unsolved problems... ...networks and build systems that are more capable, adaptive... ...synthesis to ab initio synthetic biology and programmable... ...from internal tooling to data and model workKeep our...DataVisa sponsorshipShift work
$200k - $350k
...time technical founders, engineers that made 100+ games for... ...AI and large-scale systems, focusing on world generation pipelines, data-efficient training methods... ...environments. Our current research spans:Distributed multi-... ...vision, world models, or RL systems.Strong...DataVisa sponsorshipRelocation package- ...AfterQueryAfterQuery is an applied research lab curating data solutions for foundation... ...in the loop of how those systems improve.This is a rare... ...the opportunity to shape the engineering organization and lead major... ...Through controlled SFT and RL - base post-training experiments...DataLocal area
$180k - $250k
...AI Research EngineerLocation: San Francisco, CA Company Stage of... ...document processing, retrieval systems, and agent frameworks that... ...capabilities.Design datasets, synthetic data generation pipelines, and... ...benchmarks.Collaborate closely with engineering and product teams to deploy...DataWork at officeRelocation packageMonday to Friday- ...building next‑generation AI systems that help military planners... ...applications. As an Applied AI Research Engineer, you’ll focus on human‑... ...feedback, preferences, approvals, synthetic data generation, and human‑in‑the... ...ambitious ideas in GenAI, RL, agentic workflows,...DataRemote workRelocation packageFlexible hours
- Innovaccer in San Francisco is seeking a Senior AI Researcher to design, develop, and deploy production-grade AI systems that solve complex problems at scale,... ...workflows. You will collaborate with product, engineering, and data teams, run rigorous experiments, publish...Data
- ...venture-backed frontier GenAI Research Lab that is operating at... ...re looking for a Research Engineer to help build the data behind their next-... ...own multimodal datasets, synthetic data gen, and large-scale... ...capabilities of next-generation AI systems from the data up #J-18808...Data
- Proximal is building the research systems needed to identify what models can... ...and continuously produce the data that frontier models need. We... ...has built coding agents and RL infrastructure at companies like... ...About the role As a research engineer, you will work on open-ended...Data
$150k - $250k
...social organizations.We research and deploy... ...into self-constructing systems, the development of the... ...ForAt Distyl, Research Engineers build the bridge between... ...ResponsibilitiesDesign and build data systems that power... ...outcomesDevelop synthetic data, annotation, and...DataWork at office3 days per week$315k
As a Research Engineer or Research Scientist in Applied Finetuning, you will... ...algorithms, run experiments on data mixes, design evaluations,... ...these advancements to production systems Qualifications Have... ...Complex shared codebases and RL infrastructure Authoring research...DataWork at officeHome officeVisa sponsorshipRelocation package$100k - $300k
...We believe massive scale through data-driven machine learning is the key... ...Position Overview We are hiring Research Engineers to develop scalable robotic systems aimed at achieving general-purpose... ...disciplines (Perception, Robotics, RL/IL, Machine Learning, etc.). Collaborate...DataFull time$227.2k - $284k
...to develop reliable AI systems for the world’s most important... .... As the leading AI data foundry, we provide the... ...paired with applied ML research, design, and evaluation... ...Learning Research Engineer, you will operate across... ...traces, online or offline RL — and validate them...DataFull time$160k - $250k
Join to apply for the Founding Research Engineer role at Adam Join to apply... ...for faster CAD edits Create RL environments to teach long-horizon... ...own the full AI stack, from data collection to model training,... ...-source projects, or shipped systems) Operate with high agency and...DataFull time$200k - $400k
...Read more about the research team's work here: The... ...Role As a Research Engineer focused on Safety, you... ...unsafe tool use, sensitive-data disclosure, policy... ...models or agentic systems ~ Experience with modern... ..., model routing, and synthetic-data generation ~ Experience...DataFull timeWork at officeLocal area- ...deployment—and connect that research to the patients,... ...reinforcement learning (RL) / post‑training, or evals... ...; understand which data and training setups produce... ...with researchers, engineers, clinicians, and product... ...the capabilities of AI systems and seek to safely deploy...DataWork at officeRelocation package
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