Backend Engineer, AI (Agent Systems)

Senior Backend Engineer role in Zürich, CH, focused on AI agent systems. Owns the inference and orchestration layer powering AI interactions, ensuring low latency, reliability, and cost-efficiency in production.

This role is responsible for the backend systems that enable AI interactions within the product, acting as the bridge between AI models and end users. It involves building and operating production-grade APIs that deliver fast, stable, and observable AI features across mobile and desktop platforms.

Responsibilities

• Develop and maintain backend systems that deliver AI-powered features in production environments.
• Create inference pipelines, orchestration layers, and service boundaries for AI models.
• Manage production operations including monitoring, logging, alerting, and incident response.
• Improve system performance by optimizing latency and throughput through caching, batching, and streaming techniques.

Requirements

• Solid foundation in backend engineering for production systems.
• Proven experience with high-throughput, low-latency services.
• Understanding of AI inference patterns including LLMs, embeddings, and multimodal models.
• Ability to debug distributed systems under load.
• Preference for shipping features and learning from real-world production data.

About the company

The company is a high-talent, hands-on team that makes decisions collaboratively and operates at a fast pace. It emphasizes structure, sound judgment, and independent execution, aiming to deliver a truly exceptional product to users.

• Collective decision-making and rapid execution.
• Value for structured, independent work and sound technical judgment.
• Focus on creating a magical user experience.