Senior Backend Go developer - Team Search (F/N/H)
Core
Senior Backend Go developer building and maintaining the core search infrastructure for Leboncoin's classifieds platform, enabling real-time, personalized search results for millions of users.
Role type
Senior Backend Go Engineer (Search Infrastructure)
Builds
Real-time search services, routing systems, and A/B testing frameworks for user search queries.
Domain
E-commerce / Classifieds / Search Technology
Deliverable
production ML models | product features | infrastructure
Required skills
Go, distributed systems, search algorithms, A/B testing, system architecture, performance optimization, API design
Preferred skills
Machine learning integration, embedding architectures, algorithm experimentation
Technologies
Go, A/B testing frameworks, search engines, embedding models
Responsibilities
Refactor saved search infrastructure for real-time notifications, redesign main service routing for experimentation, implement personalized search features with ML engineers, optimize existing architectures for cost and scale, make platform modular for new use cases
Seniority
Senior, hands-on IC