Big Data Developer

Job Title- Big Data Developer

Location- Mumbai

Mode- Onsite

Job Type: Full-Time

Skills: Core JAVA + HDFS + Spark

Additional details:

We are hiring backend/data engineers with strong hands-on experience in Apache Spark and/or Apache Flink using Java, to work on high-compute, high-throughput data processing systems operating at billions of records scale.

The role involves building and optimizing large-scale distributed data pipelines (batch and real-time streaming) with strict expectations on performance, latency, and reliability.

Core requirements:

• Experience range 4-12+ yrs in backend/data engineering. Individual contributor role
• Strong hands-on expertise in Apache Spark and/or Apache Flink (Java)
• Proven experience handling large datasets, high-throughput systems, and distributed architectures
• Strong understanding of distributed processing internals:
• Spark: execution plan, DAG, shuffle, memory management
• Flink: streaming runtime, state management, checkpointing, event-time processing
• Experience in performance tuning, debugging, and optimizing jobs at scale
• Hands-on experience with large-scale batch and real-time streaming workloads
• Comfortable working in high-scale, production environments

Good to have (preferred):

• Experience with streaming ecosystems (e.g., Apache Kafka)
• Exposure to databases such as ElasticSearch/Redis/ClickHouse
• Experience in telecom or high-volume event processing systems