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Radical Numerics

Develops multimodal foundation models for biology

Member of Technical Staff - Distributed Systems

Platform EngineeringConfirmed live in the last 24 hours
Full-timeNo salary listedIn-person

About the Job

Requirements

  • Track record building distributed systems or operating large-scale GPU clusters and container orchestration systems such as Kubernetes or Slurm.
  • Proficiency in building performant, maintainable software in at least one backend language, such as Python or Rust, with a focus on performance and reliability.
  • Strong systems background spanning Linux, networking, and infrastructure-as-code.
  • Strong understanding of modern deep learning frameworks and their systems internals, such as PyTorch, Triton, CUDA, and C++.
  • Ability to debug complex, multi-layered systems involving distributed training, memory and performance regressions, and reliability issues in large codebases.
  • Comfort operating across the stack and owning projects end to end, with a bias toward initiative and execution.
  • Excellent written and verbal communication skills bridging technical and scientific domains.

Responsibilities

  • Operate and automate large GPU clusters, owning provisioning, imaging, and capacity planning across large distributed compute systems, with a focus on uptime, utilization, and cost efficiency.
  • Build software that abstracts cluster management and presents a unified, ergonomic interface for training and inference, enabling researchers to focus on science rather than infrastructure.
  • Adapt scheduling and orchestration systems such as Kubernetes or Slurm for topology-aware placement, preemption, quotas, and fair-share multi-tenancy across competing workloads.
  • Profile and tune performance across the stack, including communication patterns, memory efficiency, custom kernels, compilation paths, and systems instrumentation, to ensure training compute is used effectively.
  • Establish standards and mechanisms for robustness and error recovery, including monitoring, fault tolerance, checkpointing, and incident analysis for research infrastructure.
  • Design durable storage paths for datasets, checkpoints, and logs, with clear retention and lineage to support reproducible, large-scale experimentation.
  • Partner with model researchers and training scientists to unblock large-scale runs, advise on parallelism and performance trade-offs, and design systems that support new scientific directions.

Desired Qualifications

  • Familiarity with CUDA/NCCL and performance profiling for distributed training and inference.
  • Experience supporting large-scale distributed training for frontier or foundation models.
  • Contributions to open-source machine learning systems or infrastructure such as PyTorch, Torchtitan, or Megatron-LM.
  • Familiarity with machine learning runtimes, compilers, numerics, communication libraries, and custom kernel development.
  • Experience improving researcher productivity through infrastructure design, developer tooling, or workflow improvements.
  • Background in applied mathematics, systems, computational biology, or related quantitative sciences.

About the Company

Radical Numerics

Develops multimodal foundation models for biology

Radical Numerics is an AI research lab that builds multimodal foundation models for biology to enable generative genomics for medicine and biodefense. Its Evo and Evo 2 models are open biological sequence models trained on millions of genomes, while Omnii is a genome language model with a two-million-token context, multimodality, and alignment that is being piloted for early cancer detection and biosurveillance. The company differentiates itself by focusing on large, multimodal biology models and dual-use health and biodefense applications, often partnering with industry and government labs. Its goal is to scale compute and architecture research to advance practical deployments in human health and biodefense.

Company size
11-50
Company stage
Seed
Total funding
$50M
Headquarters
San Francisco, CA
Founded
2025

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