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← Reflection AI

Member of Technical Staff - Multilingual Data

Reflection AI · San Francisco, CA · London · New York, NY

CHECKED 20H AGO

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At a glance

Highlights

  • Operate large-scale multilingual data pipelines across diverse languages.
  • Run experiments to improve multilingual data efficiency for LLMs.
  • Build evaluations exposing model gaps by language and domain.

What they offer

  • Top-tier salary and equity with stock options
  • Comprehensive medical, dental, vision, life and wellness allowance
  • Lunch and dinner provided in the office daily
  • 22 weeks paid parental leave
  • Unlimited PTO in US and 30 days in UK
  • Team off-sites, happy hours and celebrations

Ideal candidate

Multilingual engineer-researcher with strong software fundamentals and curiosity about linguistic diversity. Measurement-driven, comfortable with ambiguity, and motivated to advance open multilingual AI through high-ownership work.

Requirements

  • Strong software engineering fundamentals and comfort processing web-scale datasets in distributed environments
  • Experience building large-scale data pipelines for language models, machine translation, speech, or search
  • Fluency or working proficiency in at least one language other than English
  • Rigorous, measurement-first mindset with focus on proving data impact
  • Comfortable with ambiguity and high ownership in a small, fast-moving team
visa sponsorship
Visa sponsorship available with long-term immigration support

Lab profile

About Reflection AI

Research lab making intelligence open and accessible for everyone to use, customize, and build on.

What they build

  • Open foundation models
  • Aligned general agents
  • Enterprise AI deployments

Known for

  • Frontier model pre-training
  • Post-training and alignment
  • Distributed training infrastructure
  • Secure cloud platform foundations
More about Reflection AI →
Apply on the lab’s site ↗