Backend Rust Engineer for AI Safety at Scale

Whitecircle; Paris; Hybride; EUR 90 000 - 130 000; Plein temps

Avantages offerts par ce poste

Equity package

Relocation support

Hybrid work from Paris

Résumé du poste

White Circle is seeking a Product Engineer (Backend - Rust) to own and evolve the core AI safety systems, building APIs that handle hundreds of millions of requests and real-time policy enforcement.

You will design and ship backend services in Rust, own features end-to-end from API design to database schema, and collaborate with product and research. The role offers a hybrid work model in Paris with relocation support and strong equity.

Qualifications

• Experience building backend services in Rust at scale.
• Proficiency with PostgreSQL and data modeling.
• Experience with async Rust and web frameworks.
• Experience with LLM infra or AI safety is a plus.

Responsabilités

• Design and build backend services in Rust for real-time policy checks at scale.
• Own features end-to-end from API design to deployment.
• Ship, monitor, and iterate.
• Collaborate with product and research to turn requirements into production systems.
• Improve system performance and reliability.

Connaissances

Rust backend

Async Rust

API design

PostgreSQL

Distributed systems

Redis

Kafka

LLM infra

Outils

Axum

Actix

Tokio

PostgreSQL

ClickHouse

Redis

Kafka

Description du poste

White Circle is seeking a Product Engineer (Backend - Rust) to own and evolve the core AI safety systems, building APIs that handle hundreds of millions of requests and real-time policy enforcement.

You will design and ship backend services in Rust, own features end-to-end from API design to database schema, and collaborate with product and research. The role offers a hybrid work model in Paris with relocation support and strong equity.