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Causal Labs

Causal Labs

Trains physics AI models to forecast weather

Member of Technical Staff - Inference Infrastructure

Full-Time
No salary listed
Mid
San Francisco, CA, USA
In Person

About the job

Requirements
  • Experience building or optimizing inference and serving systems for throughput and latency, including systems such as TensorRT.
  • Understanding of distributed compute, GPU parallelism, and hardware-aware optimization.
  • Deep familiarity with deep learning frameworks such as PyTorch and JAX and their underlying system architectures.
  • Strong engineering skills, including writing performant and maintainable code and debugging complex codebases.
Responsibilities
  • Build high-throughput inference systems for large-scale evaluation, backtesting, and scoring against historical physical observations.
  • Design and implement techniques that improve latency, throughput, and efficiency for real-time inference.
  • Optimize the inference stack to fully utilize hardware floating-point operations, bandwidth, and memory.
  • Extend orchestration frameworks such as Kubernetes, Ray, and Slurm for distributed inference and large-batch evaluation sweeps.
  • Establish standards for reliability, observability, and reproducibility across the inference stack so every evaluation is trustworthy and repeatable.
  • Collaborate with researchers to enable high-performance inference for novel architectures as they emerge.
Desired Qualifications
  • Contributions to open-source inference or systems infrastructure such as vLLM, SGLang, or Triton.

About the company

Causal Labs is an AI research company building a foundation model of physical systems for industries whose operations turn on the weather. The company trains on atmospheric sensor and observation data rather than text or images, a domain where cause and effect are governed by physics and yesterday's prediction can be scored against what happened. It runs early pilots with commercial partners and pairs researchers with engineers who deploy the models on customer data. Unlike conventional forecasters, which report what conditions are likely, it is also trying to identify which interventions would change an outcome. The company's goal is to make AI reason about cause and effect by grounding it in the most heavily observed physical system available.

Company Size

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Company Stage

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Total Funding

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Headquarters

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Founded

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Simplify Jobs

Simplify's Take

What believers are saying

  • March 2025 seed from Kindred, BoxGroup, and Factorial signals strong investor validation.
  • August 2026 hiring lists twenty open roles, showing aggressive team expansion and product-building.
  • Fortune reported ongoing pilot programs across critical industries, suggesting early commercial demand.

What critics are saying

  • Google DeepMind, Nvidia, and ECMWF-backed weather models compress Causal Labs' technical moat by 2026.
  • Weather control invites regulatory scrutiny over cloud seeding, liability, and public backlash before commercialization.
  • A $6 million seed round barely funds GPU-heavy model training; cash burn threatens a 2027 reset.

What makes Causal Labs unique

  • Physics-based Large Physics Model targets weather prediction and weather control, not static forecasting.
  • Founders Kelsie Zhao and Dar Mehta bring Cruise autonomy experience and real-time systems expertise.
  • Product promise is hyperlocal, minute-scale forecasts plus decision recommendations for agriculture, aviation, and energy.

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