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SpaceXAI

Member of Technical Staff - Multimodal Understanding

SpaceXAI · Palo Alto, CA

Posted about 3 months ago · $180,000 - $440,000

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

Is this posting real?

This role has been open
82 days
SpaceXAI's roles stay open a median of 82 days
Reposted
No
Salary listed
Yes
32% of SpaceXAI's roles list one
Ghost-job risk at SpaceXAI
high
257 stale, 5 reposted of 258 open
Hiring momentum
339 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

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

About this role

In this role, you will work on advancing multimodal intelligence by designing and optimizing large-scale distributed systems for data processing and model training across various modalities including image, video, audio, and text. You will collaborate with cross-functional teams to enhance multimodal capabilities and build user-friendly interfaces and applications, driving innovations in algorithms and evaluation frameworks to support real-time human-AI interactions.

Our read on this posting4.0out of 5
benefits
4/5
freshness
1/5
career value
5/5
role clarity
5/5
pay transparency
5/5

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 SpaceXAI as an employer.

What you need

  • Hands-on experience with multimodal pre-training, post-training, or fine-tuning (vision, audio, video, or cross-modal)
  • Expert-level proficiency in Python (core language)
  • Strong experience in at least one of: JAX / PyTorch / XLA
  • Proven track record building or optimizing large-scale distributed ML systems
  • Deep experience designing and running data pipelines at scale
  • Strong fundamentals in evaluation design, benchmarks, reward modeling, or RL techniques

Nice to have

  • Experience leading major improvements in model capabilities
  • Familiarity with state-of-the-art in multimodal LLMs
  • Proficiency in Rust and/or C++
  • Hands-on work with large-scale orchestration tools such as Spark, Ray, or Kubernetes
  • Background building full-stack tooling

What you get

  • $180,000 - $440,000 USD
  • Equity
  • Comprehensive medical, vision, and dental coverage
  • Access to a 401(k) retirement plan
  • Short & long-term disability insurance
  • Life insurance

Worth weighing

  • No specific mention of remote work options
  • The role involves high-intensity environments which may not suit everyone
  • The salary range is quite broad, indicating potential variability in compensation based on experience or negotiation

Summarised from SpaceXAI's posting. Read the full original.

Listed by SpaceXAI on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

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