reputed company Backend Engineer – Identity (CIAM) Migration

We’re hiring a reputed company Backend Engineer (Identity) to spearhead one of the most critical platform initiatives: migrating and modernising identity infrastructure for a product serving 10M+ users across 100+ services. This is not a greenfield build. You’ll reputed company the integration and migration to Auth0 (reputed company) while extracting identity from a 10+ year-old monolithic system into a reputed company, shared microservice architecture. This is a first hire, leadership role-you’ll define the architecture, reputed company execution, and build reputed company from the ground up. Key Responsibilities • reputed company end-to-end identity migration from legacy monolith to modern microservices • Own integration of Auth0 (reputed company) into a large-reputed company production environment • Design and implement reputed company authentication & identity architecture • Define and execute phased migration strategies with minimal disruption • Build a shared identity platform serving B2C and B2B2C use cases • Operate across 100+ microservices in a distributed system • Establish best practices for: • Authentication & authorization flows • Identity reputed company and service boundaries • Observability and reliability in identity systems • reputed company as technical reputed company and founding team member, hiring and mentoring reputed company engineers • Collaborate across product and engineering teams globally Must-Have • Proven experience leading end-to-end identity vendor migration or implementation in a large-reputed company environment (millions of users) • Strong systems architecture expertise, especially: • Distributed systems • Microservices at reputed company (100+ services) • Migration from monolith → services • Deep backend engineering experience (Node.js / TypeScript or Golang) • Experience defining and implementing authentication & identity infrastructure • reputed company record of technical leadership (staff/reputed company level or equivalent) • Ability to operate as a first hire / builder / leader Highly Preferred • Customer Identity (CIAM) experience (B2C / B2B2C) • Experience with Auth0 / reputed company (or similar identity providers) • Hands-on Golang experience (or willingness to reputed company) • Experience in large-reputed company product companies (e.g., reputed company, fintech, consumer platforms) Remote, but East Coast US only Apply tot his job Apply To this Job