Node.js Developer for Auth Service Build Delivery

CoreData Systems

Contract · Remote · Flexible hours

About the role

CoreData Systems is scaling its B2B SaaS platform and needs a Node.js Developer to deliver a new multi‑tenant feature called "TenantPulse". You will build the core tenant isolation layer, integrate it with existing services, and ensure seamless rollout across current customers.

Key responsibilities

• Design and implement the TenantPulse microservice using NestJS and TypeScript.
• Configure PostgreSQL schemas for tenant data segregation and write migration scripts.
• Develop REST endpoints for tenant provisioning, billing sync, and usage reporting.
• Set up CI/CD pipelines in GitHub Actions to automate testing and deployment to Kubernetes.
• Collaborate with the QA team to create integration tests with Jest and SuperTest.
• Monitor performance metrics in New Relic and optimize query patterns for multi‑tenant load.

Must-have skills

• Strong Node.js experience with NestJS or Express.
• Proficiency in JavaScript/TypeScript and asynchronous programming.
• Hands‑on with PostgreSQL, schema design, and query optimization.
• Experience building and securing REST APIs.
• Familiarity with Docker, Kubernetes, and CI/CD workflows.

Nice to have

• Knowledge of multi‑tenant architecture patterns.
• Exposure to MongoDB for auxiliary data stores.