Flower Labs

Founding Research Engineer – Flower Frontier Model Team

Flower Labs

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇪🇺 Anywhere in Europe

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Job Level

Senior

Tech Stack

DockerLinuxPyTorch

About the role

  • Push the boundaries of what frontier AI models can be
  • Build AI that blends cutting-edge techniques with Flower’s pioneering decentralized methods
  • Play a critical role in building SOTA LLMs and foundation models within a small, high-impact team
  • Shape every part of the scientific foundation of frontier models
  • Be deeply hands-on, turning best ideas into working systems
  • Collaborate with the team to scale effective approaches
  • Produce world-leading models that are open-sourced and integrated into new Flower Lab products
  • Develop methods for data curation, evals, pre-training, and post-training

Requirements

  • Deep understanding of recent architectures and training methodology used for LLMs and foundation models
  • Experience with pre-training or post-training (SFT, RLHF, DPO, reward modeling, or equivalent) — note, preference will be given to individuals with post-training experience.
  • Strong grounding in optimization techniques: AdamW variants, LR scheduling, mixed precision, stabilization methods, and scaling behaviors
  • Strong experimental design skills: ablations, controlled comparisons, scaling experiments
  • Fluency in PyTorch or JAX for implementing research ideas efficiently
  • Ability to collaborate effectively with both research-oriented and engineering-oriented colleagues
  • Ability to turn conceptual research directions into runnable prototypes that integrate into the training system
  • Familiarity with common tools (Linux command line, git, Docker, …)
  • Openness to adopting new tooling
  • Strong written English
  • Open, honest and transparent communication skills
Benefits
  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Remote work options

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
LLMsfoundation modelspre-trainingpost-trainingSFTRLHFDPOreward modelingoptimization techniquesexperimental design
Soft skills
collaborationcommunicationconceptual researchtransparencyopenness