Level

Featherless AI

AI Researcher — AI Architecture Research

Featherless AI is hiring an AI Researcher — AI Architecture Research for a remote role. Level rates it ; you can apply on Featherless AI.

Level's read on this job

  • On Level's scale, this role is Builds AI ●●●●: the job is building AI systems.
  • This is listed as a remote role.
  • The posting mentions PyTorch, JAX and AI research among its tools and skills.
  • Featherless AI has 16 other open roles on Level.

AI in this role

pytorchjax
ai-research

About the Role

We’re looking for an AI Researcher focused on AI architecture research to help design, analyze, and advance next-generation model architectures. You’ll work at the intersection of theory and production—publishing novel research while collaborating closely with engineers to turn ideas into real systems.

This role is ideal for someone who has published research papers and wants to see their work directly shape deployed models, not just benchmarks.

What You’ll Work On

  • Research and design novel AI architectures (e.g. alternatives to standard Transformer designs, long-context models, efficient sequence modeling, hybrid architectures)

  • Explore architectural improvements for scalability, efficiency, and stability

  • Prototype and evaluate new architectures through ablations, benchmarks, and empirical studies

  • Author and co-author research papers for top ML conferences and journals

  • Collaborate with engineering teams to translate research into training and inference systems

  • Stay current with state-of-the-art research and identify promising directions early

What We’re Looking For

  • Strong background in machine learning research, with a focus on model architecture

  • Publication record in ML/AI venues (e.g. NeurIPS, ICML, ICLR, COLM, ACL, EMNLP, arXiv)

  • Deep understanding of:

    • Neural network architectures

    • Sequence models and attention mechanisms

    • Training dynamics and optimization

  • Hands-on experience with PyTorch or JAX

  • Ability to reason rigorously, design clean experiments, and communicate results clearly

  • Comfortable working in a fast-moving startup environment

Nice to Have

  • Experience with non-Transformer architectures (e.g. RNN-based, state-space, hybrid models)

  • Work on long-context or memory-efficient models

  • Open-source research contributions

  • Experience bridging research and production systems

  • Background in efficient training or inference-aware architecture design

Why Join Us

  • High ownership over research direction and roadmap

  • Clear path to publishing impactful work

  • Tight feedback loop between research and real-world deployment

  • Small, highly technical team with strong research culture

  • Competitive compensation and meaningful equity

How we rate this

AI Researcher — AI Architecture Research at Featherless AI rates 98 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.

Classification

Builds AI. The job is building AI systems.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

AI ResearchPyTorchJAX

Questions you could be asked

  1. Tell me about a research question you investigated. What did you find?
  2. Walk me through how you've used PyTorch in your day-to-day work.
  3. What are the limits of JAX that you've run into, and how did you work around them?
  4. How would you decide a model or AI system is ready to ship?
  5. Tell me about a time a model underperformed in production. How did you find out, and what did you change?

Adapt your resume

  • List these exact terms on your resume: AI Research, PyTorch, and JAX. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
  • Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.

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