Senior Software Engineer - Core Java & Apache Spark

**Senior Software Engineer - Core Java & Apache Spark**

We are hiring an elite Senior Software Engineer to build and scale our core data processing and application infrastructure. This role demands deep, hands-on expertise in the Java ecosystem and distributed computing with Apache Spark. You will be responsible for the architecture, design, and implementation of mission-critical systems that process massive datasets, requiring a mastery of concurrency, JVM internals, and modern cloud-native patterns.

**Core Tech Stack:**

+ **Languages & Runtimes:** Java (8+), SQL, JVM
+ **Frameworks & Libraries:** Spring (Boot, Data, Security, Batch, Integration), Apache Spark (RDD, Spark SQL, DataFrames/DataSets)
+ **Big Data Ecosystem:** Hadoop, Hive, Impala, Spark Tuning & Optimization
+ **Databases:** Relational (e.g., PostgreSQL, Oracle), NoSQL (MongoDB, Graph DB)
+ **Messaging & Middleware:** JMS, Solace
+ **Containerization & Orchestration:**...