Product Engineer (Backend)

About This Opportunity

We are representing a well-funded AI infrastructure company based in Paris. Our client is looking for a Product Engineer (Backend) to build and scale the core systems that power policy enforcement and real-time processing for AI applications. You'll work with Rust to design high-performance APIs, data pipelines, and services handling hundreds of millions of requests monthly.

This is a hybrid role based in Paris with relocation support available for the right candidate.

Responsibilities

• Design and build backend services in Rust optimized for real-time processing with low latency and high reliability
• Own features end-to-end from API design through database schema to production deployment and monitoring
• Improve system performance through connection pooling, caching strategies, query optimization, and observability tooling
• Collaborate directly with product and research teams to translate requirements into production-ready systems
• Work across the stack when needed to solve complex technical challenges

What We're Looking For

Required:

• Proven experience building and shipping backend systems in Rust, Python, or Go
• Strong proficiency with async Rust (Tokio), web frameworks such as Axum or Actix, and database access patterns
• Solid fundamentals in system design including trade-off analysis, failure modes, and scaling strategies
• Hands-on experience with PostgreSQL including efficient query writing, schema design, and performance debugging
• Clear communication skills and fluent English

Nice to Have:

• Experience with ClickHouse, Redis, or Kafka/event streaming systems
• Background with LLM infrastructure including routing, inference systems, or RAG architectures
• Prior work in high-throughput environments such as monitoring systems or fintech

How We Work With You

When you apply through Get A Job.ai, our talent team will review your profile and conduct an initial screening. If there's a strong match, we'll submit your application to our client and guide you through their interview process, which includes a technical interview and final conversations with senior engineering leadership. Please do not contact the client directly—all communication should flow through Get A Job.ai to ensure the best candidate experience.

Pay

Compensation details will be discussed during the screening process and are competitive for the Paris market, including meaningful equity participation.

Get A Job.ai is an equal opportunity recruiter. We work with clients and candidates without regard to race, color, religion, sex, national origin, age, disability, or any other protected characteristic.