Senior Backend

2 weeks ago

Kolkata, West Bengal, India GoWebbo & Co. Full time ₹ 12,00,000 - ₹ 36,00,000 per year

EXPERIENCE- 3-5 YEARS

We're seeking a skilled Backend Engineer with strong expertise in Kafka/Redis/Postgres Sharding. To build scalable, event-driven systems on  and Express. You'll design sharded/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 design.

REQUIREMENTS

  • 3+ years with 

     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

Regards,

Guddi Tamkoria

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