Senior Java Developer

20 hours ago

Surat, Gujarat, India Patoliya Infotech Full time ₹ 9,00,000 - ₹ 12,00,000 per year

Job description:

About the Role:

We are seeking a highly skilled Senior Java Developer with hands-on experience in real-time data streaming and Apache Flink. The ideal candidate will play a critical role in building, optimizing, and scaling our streaming data pipelines and backend systems. You will work on high-throughput, low-latency applications and integrate multiple data sources in real time.

Key Responsibilities:

  • Design, develop, and maintain scalable Java-based backend systems.
  • Develop real-time data streaming pipelines using 
    Apache Flink
    .
  • Implement 
    POJOs
    , custom serializers, and ensure high-performance Java code.
  • Manage build systems using 
    Maven
     or 
    Gradle
    .
  • Leverage 
    Flink's streaming and batch modes
     to build efficient processing workflows.
  • Utilize Flink's advanced capabilities like:
  • Event time vs processing time
  • Stateful processing (keyed and operator state)
  • Checkpointing and recovery via savepoints
  • Parallelism, slots, and task chaining
  • Integrate with external systems and data sources using:
  • Flink Kafka source/sink connectors
  • (Optional) 
    Amazon Kinesis
    , 
    Google Pub/Sub
  • Output sinks such as 
    Elasticsearch
     and 
    MySQL
  • Collaborate closely with data engineers, DevOps, and product teams to deliver scalable solutions.

Required Skills:

  • Strong core Java programming skills
  • Experience in building 
    POJOs
     and 
    custom serializers
  • Familiarity with 
    Apache Flink fundamentals
  • Solid understanding of 
    streaming vs batch
     modes in Flink
  • Experience with 
    stateful stream processing
  • Knowledge of 
    Kafka
     integration with Flink
  • Working knowledge of build tools like 
    Maven
     or 
    Gradle
  • Familiarity with 
    Elasticsearch
    , 
    MySQL
     or similar technologies

Preferred (Good to Have):

  • Experience with 
    cloud messaging platforms
     like 
    Amazon Kinesis
     or 
    Google Pub/Sub
  • Exposure to 
    cloud environments
     (AWS, GCP, or Azure)
  • Prior work with 
    large-scale data systems
     or 
    real-time analytics

Why Join Us?

  • Work with cutting-edge streaming technologies
  • Be part of a high-performance team solving complex data problems
  • Flexible work culture and continuous learning opportunities

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