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Software Engineer

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Senior Software Engineer

Reddit - 4d ago

Senior ML Engineer (AI Research, Physical AI)

Requirements:

  • A profound understanding of the theoretical foundations of machine learning, reinforcement learning, or robot learning
  • Deep expertise in at least one relevant area, such as reinforcement learning, imitation learning, multimodal generative modeling, computer vision, robotics, planning, or control
  • Experience training and evaluating modern deep learning models, including transformer-based or multimodal foundation models
  • Substantial experience training large models across multiple computational nodes
  • Strong software engineering and algorithm-design skills; we primarily use Python
  • Deep experience with a modern deep learning framework; we primarily use JAX
  • Experience designing, executing, and analyzing machine learning experiments with appropriate statistical rigor
  • Ability to formulate meaningful research questions, design experiments that test clear hypotheses, and draw defensible conclusions
  • Experience implementing research ideas and iterating quickly across modeling, data, infrastructure, and evaluation
  • Strong communication and leadership abilities, including the ability to collaborate across research and engineering disciplines
  • Ability to document research findings clearly and contribute to technical reports or research publications

Nice to have:

  • Experience working with real-world robots and robotic simulation environments
  • Experience with dexterous manipulation, whole-arm manipulation, mobile manipulation, or humanoid robotics
  • Experience with multimodal sensing, including tactile, force-torque, depth, and proprioceptive signals
  • Experience collecting human demonstrations through teleoperation, motion capture, wearable devices, or observation
  • Experience developing or post-training vision-language models, vision-language-action models, or video and world models
  • Experience with deep reinforcement learning techniques
  • Familiarity with robotics tools and simulators
  • Knowledge of scalable training techniques
  • A PhD in Computer Science, Robotics, Machine Learning, Artificial Intelligence, or a related technical field, or equivalent practical experience
  • A track record of impactful publications, open-source contributions, or deployed robotic systems
  • Experience engineering large distributed data-processing, simulation, or model-training systems
  • A record of building and delivering products or research prototypes in a dynamic, startup-like environment
  • Passion for moving research from controlled experiments to capable, reliable real-world robotic systems
  • Excellent command of English, with strong technical writing, presentation, and communication skills
  • Proficiency in contemporary software engineering practices

What you'll be doing:

  • Designing, implementing, training, and evaluating large models and learning algorithms for robotic agents
  • Developing vision-language-action architectures that connect multimodal perception and language understanding with physical control
  • Investigating reinforcement learning and imitation learning methods for sparse, delayed, or difficult-to-verify objectives
  • Building scalable methods for incorporating demonstrations, teleoperation data, video, simulation trajectories, and autonomous robot experience into foundation models
  • Designing capture methodologies, datasets, evaluation protocols, and data-quality pipelines for embodied learning
  • Developing simulation environments and conducting sim-to-real experiments on physical robotic platforms
  • Exploring planning, guided generation, and search over action trajectories
  • Prototyping new capabilities in areas such as dexterous manipulation, mobile manipulation, and whole-body control
  • Writing robust research software and distributed training infrastructure that enable rapid experimentation
  • Collaborating with research and engineering teams to translate promising ideas into reliable real-world systems
  • Communicating results through technical reports, open-source releases, demonstrations, and research publications

Perks and benefits:

  • Competitive compensation
  • Career growth and learning opportunities
  • Flexibility and ownership
  • Collaborative and innovative culture
  • Opportunity to work on impactful AI projects
  • International environment and talented teams
AI Summary ✨
Nebius logo

Nebius

UK (Remote)

Remote
Experience: Senior
Posted: September 17, 2026
Last seen: 22 minutes ago
Python
machinelearning

Why we track Nebius

Nebius is the Amsterdam-headquartered, Nasdaq-listed AI cloud that spun out of Yandex. They build GPU clusters, their own server hardware, and a full cloud stack for AI training and inference, with engineering concentrated in Amsterdam and teams in London, Prague, Berlin, Finland, and Paris plus remote roles across Europe. Pay is strong: levels.fyi shows a €140K median in the Netherlands (€160K at the G17 level) and a £183K median in London.

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