Senior Backend (Node JS) Engineer- Kolkata candidates only

EXPERIENCE- 3-5 YEARS Were looking for a backend engineer to build scalable, event-driven systems on Node.js and Express. Youll design partitioned PostgreSQL architectures, implement Kafka pipelines, and manage background jobs using Redis and BullMQ. RESPONSIBILITIES Design scalable PostgreSQL schemas with partitioning/sharding (range/hash/list), ensuring migration and rebalancing safety.Build Kafka producers/consumers and manage schema evolution and idempotent message handling.Create and maintain BullMQ queues/workers for jobs, retries, and DLQs.Optimize reliability, performance, and observability (metrics/tracing/logs).Lead development verticals and come up with database designREQUIREMENTS 3+ years with Node.js and Express in production.Strong foundation in database and system design schema design, indexing, normalization, and consistency models.Hands-on with PostgreSQL sharding/partitioning and online data migration.Experience designing Kafka topics and consumers with idempotency and replay safety.Proficiency with Redis/BullMQ (rate limits, retries, concurrency, DLQs).Solid TypeScript/JavaScript and testing skills.Experience with monitoring, profiling, and tuning (p95 latency, connection pools).EDUCATION Bachelor's in Computer Science, IT, or equivalent experience.Monday-Friday Work from office only. Regards, Guddi Tamkoria Compensation: 360,000.00 - 1,000,000.00 per year Work Location: In person EXPERIENCE- 3-5 YEARS Were looking for a backend engineer to build scalable, event-driven systems on Node.js and Express. Youll design partitioned PostgreSQL architectures, implement Kafka pipelines, and manage background jobs using Redis and BullMQ. RESPONSIBILITIES Design scalable PostgreSQL schemas with partitioning/sharding (range/hash/list), ensuring migration and rebalancing safety.Build Kafka producers/consumers and manage schema evolution and idempotent message handling.Create and maintain BullMQ queues/workers for jobs, retries, and DLQs.Optimize reliability, performance, and observability (metrics/tracing/logs).Lead development verticals and come up with database designREQUIREMENTS 3+ years with Node.js and Express in production.Strong foundation in database and system design schema design, indexing, normalization, and consistency models.Hands-on with PostgreSQL sharding/partitioning and online data migration.Experience designing Kafka topics and consumers with idempotency and replay safety.Proficiency with Redis/BullMQ (rate limits, retries, concurrency, DLQs).Solid TypeScript/JavaScript and testing skills.Experience with monitoring, profiling, and tuning (p95 latency, connection pools).EDUCATION Bachelor's in Computer Science, IT, or equivalent experience.Monday-Friday Work from office only. Regards, Guddi Tamkoria Compensation: 360,000.00 - 1,000,000.00 per year Work Location: In person