Java Backend Developer

KEY RESPONSIBILITIES

Design and develop high-performance Java microservices using Spring Boot and Spring Framework

for billing, revenue, and partner compensation modules.

Architect and implement event-driven solutions using Apache Kafka — including producers,

consumers, Kafka Streams, and CDC pipelines (Oracle → Kafka via AWS DMS).

Write, optimize, and maintain complex Oracle PL/SQL — stored procedures, functions, triggers,

packages, and performance tuning of large-scale transactional queries.

Participate in migrating batch processing workloads from Apache Spark to Java-based solutions for

improved performance and maintainability.

Collaborate with product, QA, and solution architect teams to deliver reliable, regression-free releases

on monthly release cycles.

Perform code reviews, mentor junior developers, and champion engineering best practices and coding

standards.

Contribute to technical documentation, Confluence knowledge bases, and architecture decision

records.

Troubleshoot and resolve production issues for enterprise customers — root cause analysis, hotfix

delivery, and preventive engineering.

REQUIRED SKILLS & EXPERIENCE

Core Java & Backend

Event-Driven Architecture

8+ years of Java development (Java 11/17+)

Strong expertise in Spring Boot, Spring MVC,

Spring Data JPA

RESTful API design and implementation

Apache Kafka — producer/consumer patterns,

topic design, offset management

Kafka Streams or KSQL for stream processing

Change Data Capture (CDC) pipelines

AWS DMS or Debezium experience preferred

Multi-threading, concurrency, and performance

optimization

Maven/Gradle build systems

Unit and integration testing (JUnit 5, Mockito)