SENIOR IDENTITY & AUTHORIZATION ENGINEER (GO | AWS | REBAC) @ E-SOLUTIONS INC
We are seeking a highly skilled and hands-on Senior Identity & Authorization Engineer to lead the design and implementation of a Zanzibar-based authorization system for a complex, multi-tenant B2B marketplace. In this role, you will be responsible for building a robust Relationship-Based Access Control (ReBAC) system from the ground up using technologies like SpiceDB or OpenFGA. You will work extensively with Golang, AWS, and Terraform to ensure a scalable and secure infrastructure.
The successful candidate will design and deploy multi-tenant systems, build Go-based authentication services and middleware, and create efficient Kafka-based ingestion pipelines. Additionally, you will play a critical role in leading the migration from legacy authentication systems to modern architectures. This is a global remote position requiring at least 6 hours of overlap with US-EST working hours to ensure effective collaboration with the wider engineering team.