Senior Backend Developer

Core Responsibilities:

Backend Development & APIs

• Build and maintain backend services using 20, TypeScript, and Express.
• Design clean, well-documented RESTful APIs with validation, versioning, and error handling.
• Develop real-time features using Socket.IO and event-driven patterns.
• Implement middleware-based architectures for authentication, logging, and security.

Database & Data Modeling

• Design PostgreSQL schemas with Drizzle ORM, focusing on multi-tenant models.
• Optimize queries, indexing, transactions, and concurrency in high-traffic environments.
• Manage safe and repeatable schema migrations using Drizzle Kit.

Caching, Queues & Background Processing

• Implement caching, ephemeral storage, and rate-limiting using Redis (Upstash).
• Design and operate job queues and workers with BullMQ.
• Apply retry, backoff, and failure recovery strategies.
• Bui...