Senior Backend Engineer (Innovate)

📋 Description Design and deliver backend capabilities from specs to prod rollout and rollback. Define and instrument success metrics with cross-functional partners. Iterate quickly based on experiment results (KPIs, dashboards, signals). Build resilient, scalable, and cost-efficient systems for high-risk experiments. Diagnose and fix production issues using logs, metrics, and observability tools. Anticipate deployment, rollback, monitoring, and cost impact. 🎯 Requirements 5+ years backend experience, startup/scale-up preferred. Proficient in Node.js and TypeScript. Experience designing APIs for performance, security, observability. Experience with event-driven systems (Kafka, RabbitMQ, NATS). Strong engineering practices: testing, code quality, resilience. Product-minded; collaborates with Product; communicates clearly in English. 🎁 Benefits Highly competitive salary plus equity. Flexible remote work policy; 2 days/month in office; team events. Covers fees for external events and meetups. Fully paid health insurance for you and family. Parental benefits: extra leave, nurseries, daycare in France.