Senior Java Backend Engineer

Core Programming & Frameworks

Java 8 (deep expertise: generics, concurrency, streams, legacy-style code)

Java EE / Jakarta EE (CDI, JAX-RS, JPA/Hibernate, JSF 2.x, Bean Validation)

Nice to Haves:

Scala (2.10 2.12; able to read/modify; Akka actors)

Experience in Quarkus framework

Spring Framework (Spring Security with OAuth2, Spring Batch, Spring JDBC)

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Big Data & Distributed Systems

Hadoop Ecosystem (HDFS, HBase, Hive on Spark, Kafka)

Kafka (producer/consumer, streaming) - injection view

Nice to Haves:

Apache Spark (Scala & Java APIs: Spark SQL, MLlib, Streaming, cluster tuning) - Athena

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Cloud & Data Platforms

Google Cloud Platform (BigQuery Standard SQL, Cloud Storage, Pub/Sub, GCR)



BigQuery is a must, the rest is nice to have

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Databases & Search

SQL (complex analytical queries, especially BigQuery)

MongoDB (NoSQL) - CS and CIQ

Elasticsearch (REST high-level client)

Nice to Haves:

MySQL, PostgreSQL (relational databases)

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📌 Java Backend Engineer. (Pune)
🏢 Sigma Allied Services
📍 Pune