About this role
Sr. Backend Engineer (Golang + MongoDB) at Unpack Holdings Limited. Location: Costa Rica or North America. Role: designing backend, optimizing databases, building ai Requirements: 5+ years backend experience with Golang and Node.js/TypeScript, experience with Kafka, MongoDB, Redis, GraphQL/REST, distributed systems, and production-grade architecture; alignment with EST/Eastern Europe hours preferred. Category: Software Development Seniority: Senior Level Tools: Golang, JavaScript, TypeScript, Node.js, Kafka, MongoDB, Redis, GraphQL, Docker, Kubernetes, LLMs Commitment: Full Time Workplace: Remote Languages: English