Posted 2 days ago
Npv
Visa sponsorship not verified
Salary: not listed by employer
Estimated range: not enough salary data for this role yet.
Permanent residency after about 5 yrs
Citizenship after about 5 yrs
Work language: likely English (posting is in English)
We're looking for a Product Engineer, Backend (Rust) to join White Circle, an AI Safety company building the safety, reliability, and optimization layer for AI systems through natural-language policies it automatically tests, enforces, and improves at scale. Backed by $70M (Series A) from top funds and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, and others, White Circle processes 100M+ API calls monthly and fine-tunes and trains its own LLMs to run faster and cheaper than open or proprietary models. You will • Design and build Rust backend services handling real-time policy checks at scale.
• Own features end-to-end – API design, schema, deployment, monitoring.
•…
Social security agreement
Add your citizenship in your answers and we’ll check whether France has an agreement with your country.
Rent (City)
Citywide private-sector average of €27.3/m² a month in Paris intra-muros (2025). Times 50 m² that is about €1,365/month. No centre/outside split.
Take-home pay (Country tax)
Needs a posted salary to estimate
Weather (City)
Paris: summer highs about 78°F / 25°C, winter highs about 45°F / 7°C
Safety (Country)
Moderate peacefulness (Global Peace Index rank 99)
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