Isomorphic Labs

Research Engineer (LLM Performance), London

Isomorphic Labs · London

Posted about a month ago

or apply directly on Isomorphic Labs's site. We never take the application ourselves.

Is this posting real?

This role has been open
43 days
Isomorphic Labs's roles stay open a median of 67 days
Reposted
No
Salary listed
No
0% of Isomorphic Labs's roles list one
Ghost-job risk at Isomorphic Labs
high
31 stale, 2 reposted of 32 open
Hiring momentum
45 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-22

Measured from postings appearing on and disappearing from Isomorphic Labs's own greenhouse board since 2026-08-03. Full hiring picture for Isomorphic Labs.

About this role

As a Research Engineer focused on LLM performance at Isomorphic Labs, you will work within a model performance and scaling team, collaborating with scientists and engineers to optimize large language models for drug design applications. Your role will involve implementing post-training methods, diagnosing performance issues, and deploying frameworks for fine-tuning and evaluation, all aimed at transforming biopharmaceutical processes through advanced AI techniques.

Our read on this posting3.2out of 5
benefits
1/5
freshness
5/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Isomorphic Labs as an employer.

What you need

  • Significant experience with large scale distributed training of LLMs
  • Experience with deep learning ML frameworks (either JAX or PyTorch)
  • Knowledge of parallelism strategies and collective communication libraries (e.g. NCCL)
  • Good understanding of GPU architectures
  • Excellent collaboration skills

Nice to have

  • Experience with general LLM serving stacks
  • Knowledge of XLA, Triton, Pallas, CUDA or similar accelerator DSLs / compilers
  • Experience with optimising ML accuracy using low-precision formats
  • Prior experience building, deploying and maintaining production systems on GCP
  • Interest in chemistry and biology

Worth weighing

  • Hybrid working model requires in-office presence three days a week
  • Focus on collaboration and interdisciplinary work may require adaptability to different fields
  • Role involves cutting-edge AI applications, which may entail a fast-paced and demanding environment

Summarised from Isomorphic Labs's posting. Read the full original.

Listed by Isomorphic Labs on their greenhouse job board, last confirmed open on 2026-10-22. PitchMeAI is not the employer.

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