Research Software Engineer — Scalable RL & Distributed Training
Reflection AI
A leading AI research company in San Francisco is seeking a strong software engineer to architect and optimize the core training infrastructure for advanced AI models. Responsibilities include designing large-scale training systems, implementing cutting-edge techniques, and diagnosing performance bottlenecks. Candidates should have deep experience in distributed training or data infrastructure, and a solid background in software engineering. The position offers competitive compensation, health and wellness benefits, and a collaborative work environment. #J-18808-Ljbffr Reflection AI
- Anthropic in San Francisco is looking for a Research Engineer to enhance AI systems by advancing their coding... ..., editing, testing, and debugging real software. You will design RL tasks and develop reward signals, run training experiments, and play a pivotal role in shaping...Training
- ...society. About the RL Teams The... ...fundamental RL research for large language... ...Building scalable RL infrastructure and training methodologies... ...hiring a Research Engineer for the Code RL... ...You Have strong software‑engineering skills... ...large‑scale distributed training; performance...TrainingWork at officeVisa sponsorship
$350k
# Research Engineer, Performance RLDepartment: EngineeringJob Type... ...beneficial AI systems.About the RL TeamsOur Reinforcement... ...language modelsBuilding scalable RL infrastructure and training methodologiesEnhancing... ...- kernels, model code, distributed systems.Know how to...TrainingWork at officeVisa sponsorshipFlexible hours- ...group of committed researchers, engineers, policy experts,... ...systems. About the RL Teams Our... ...models Building scalable RL infrastructure and training methodologies Enhancing... ...debug, and ship real software — end to end, on real... ...and large‑scale distributed training;...Training
$350k
...goals. We are scientists, engineers, and builders who’ve... ...for an infrastructure research engineer to design and... ...core systems that enable scalable, efficient training of large models through... ...the algorithms behind RL and the realities of distributed training and inference...TrainingLocal areaImmediate startVisa sponsorshipWork visaRelocation package$350k
# Research Engineer, Reward Models PlatformJob Type / Location: San FranciscoExperience... ..., and optimize reward signals for training our models. Your scalable platforms will make it easy to... ...Spark, Hive, or similar)Kubernetes, distributed systems, or cloud infrastructureFamiliarity...TrainingVisa sponsorship$150k - $350k
...sandboxes, high‑performance training, and deployment into... ...scale - from SFT and RL to tool use, agent... ...tasks like autonomous research, and the full‑stack platform... ...and optimize the distributed training infrastructure... ...and infrastructure engineers to translate bottlenecks...TrainingRemote workVisa sponsorshipRelocation packageFlexible hours- ...preclinical datasets for model training, evaluation, and deployment.... .... About the Role As an RL Engineer at BioStack, you will help build... ...-making, and biomedical research tasks. We’re looking for someone... ..., clinical relevance, distributional diversity, failure modes, and...TrainingContract work
$350k
Mirendil is seeking research engineers in San Francisco to build the post-training stack for frontier reasoning models. You will engage in designing experiments... ...reinforcement learning methodologies, focusing on scalable infrastructure for large-scale AI research. The position...Training- Anthropic is looking for a Research Engineer in San Francisco to enhance AI capabilities by designing and improving training environments for Claude. The role involves conducting... ...years of experience in machine learning or distributed systems, strong Python skills, and a...Training
- ...early-stage robotics company to recruit a Research Engineer. You will collaborate with world-class... ...production. Ideal candidates have strong ML and software engineering, hands-on PyTorch or JAX, and experience with distributed training in fast-paced startups seeking to push...Training
- ...states. Our team of AI researchers and company builders... ...algorithms into scalable training systems. You will design... ...training loops and distributed GPU training to... ...models. This includes RL training loops, distributed... ...You are a strong software engineer who speaks the...TrainingRelocation package
- An innovative company is seeking a Research Engineer to develop groundbreaking AI systems. This role involves designing and implementing large-scale distributed machine learning systems and writing efficient, bug-free code. Candidates should possess strong programming skills...
- About the Role As a Research Engineer in our Reasoning team,... ...enables anyone to create, train, and deploy them.... ...it with a full RL post-training stack,... ...data generation and distributed RL frameworks. Publish... ...the performance and scalability of AI workloads. Solid...TrainingWorldwide
$350k
Thinking Machines Lab is seeking a Software Engineer to build tools that accelerate research. This role focuses on creating systems like evaluation frameworks and RL training systems. Candidates should have a Bachelor's in a related field and strong software engineering...Training- 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...Training
$250k
...Description: Transluce is a non‑profit research lab building tools for scalable, end‑to‑end oversight of AI systems... ...looking for strong scientists and engineers to help advance our vision of... ...responsibility: Help us develop and train scalable interpretability assistants...TrainingWork at officeVisa sponsorship$300k - $405k
...We're hiring for the Cybersecurity RL team within Horizons. As a Research Engineer, you'll help to safely advance the... ...your work into production training runs, and collaborating with other... ...with machine learning. Have strong software engineering skills. Can balance research...TrainingFull timeWork at officeVisa sponsorshipFlexible hours$300k - $405k
...growing group of committed researchers, engineers, policy experts, and business... ...Anthropic's reinforcement learning (RL) research and development,... ...your work into production training runs, and collaborating with... ...learning. Have strong software engineering skills. Can balance...TrainingFull timeFor contractorsWork at officeVisa sponsorshipFlexible hours$200k - $280k
This is a research engineering role with direct production impact... ...will translate new RL algorithms, scheduling... ..., engines) and post‑training / RL systems. We build... ...large neural nets. Distributed systems / high‑performance... ...by co‑designing software, hardware, algorithms...TrainingFull time$225k - $275k
...for developing, training, and deploying AI... ...take ideas from research to production with... ...developer‑first software with cost‑efficient... ...skilled Lead Research Engineer to lead... ...improve performance, scalability, and reliability... ...inference systems to distributed infrastructure...TrainingWork at officeWork from homeFlexible hours2 days per week$250k - $350k
...Turing is the world’s leading research accelerator for frontier AI... ..., specialized talent, and training pipelines that advance thinking... ...and reinforcement learning (RL) environments that power... ...listed here: Environments for Software Engineering / coding agents MCP‑based...Training$250k - $350k
...California, Turing is the world’s leading research accelerator for frontier AI labs and a... ...-quality data, specialized talent, and training pipelines that advance thinking,... ...We are looking for a Principal Research Engineer - RL to own the end‑to‑end lifecycle of RL environment...TrainingFlexible hours- ...an innovative AI research organization that... ...researchers and engineers to explore new ideas... ...the development, training, evaluation, and... ...concepts into scalable solutions. You will... ...in Python and software engineering best... ...Experience with distributed training and large...Training
$350k
Thinking Machines Lab, located in San Francisco, is seeking an Infrastructure Research Engineer to design and optimize distributed training systems that enable efficient training of large models. The ideal candidate will possess strong engineering skills and a background...Training$200k - $350k
Research Engineer | San Francisco | Full-Time Brief Overview... ...required. Your focus: distributed multi-agent... ...behaviors), data-efficient training pipelines, real-time... ...Your Profile Strong software fundamentals. You move... ...diffusion, vision-language, RL agents). Hands-on...TrainingFull timeVisa sponsorshipRelocation packageFlexible hours- Anthropic is seeking a Research Engineer for the Code RL team in San Francisco. This role involves designing RL environments, running training experiments, and improving model training pipelines... .... Candidates should have strong software engineering skills, deep Python...Training
$166k - $244k
...years of experience with software development in one or... ...Science, Computer Engineering, or a related... ...information retrieval, distributed computing, large‑scale... ...technology forward. Google researchers and engineers are... ...relevant education or training. Your recruiter can share...TrainingFull timeTemporary work$350k
Thinking Machines in San Francisco is seeking an infrastructure research engineer to design and build scalable systems for training large models using reinforcement learning. This role combines research and engineering, requiring strong collaborative skills and coding expertise...Training$350k
Anthropic is seeking a Research Engineer in San Francisco, CA to identify and resolve key challenges... ..., proficiency in language model training, and a collaborative approach to problem... ...model capabilities and implementing distributed training systems. The position offers...TrainingWork at office
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