Principal-level Java engineer
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Role details
Tech stack
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Job description
Principal-level Java engineer to design and build enterprise-grade, real-time and batch data processing systems using Java, Spark, Kafka, and Microservices architecture. Strong focus on event-driven pipelines, API development (build + consume), and high-volume streaming platforms., * Architect, design, and implement enterprise-grade Java-based data platforms and distributed processing systems
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Build and maintain production-ready Spark applications (Java) for batch and real-time processing
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Design and evolve Kafka-based event streaming and ingestion pipelines
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Develop and consume REST APIs within microservices architecture
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Lead architecture ensuring scalability, reliability, and regulatory compliance
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Apply strong object-oriented design and engineering practices
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Mentor engineers on performance tuning and production readiness
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Design and implement MDM solutions (match, merge, survivorship logic)
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Ensure data quality, observability, and system stability
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Support production deployments and operational handoffs
Requirements
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10 12+ years experience in Java/backend or data engineering
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Hands-on experience building real-time data pipelines (Kafka, Spark Streaming/Flink)
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Solid knowledge of relational databases (Redshift, PostgreSQL, Snowflake) and NoSQL databases (MongoDB or similar)
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Strong Kafka and event-driven architecture experience
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Strong Microservices experience (Spring Boot, REST APIs)
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Experience in API development and API consumption
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Hands-on Spark experience (batch and streaming)
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Strong SQL and data modeling skills
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AWS experience (S3, Glue, EMR, Redshift)
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Experience in regulated/data governance environments
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CI/CD, Git, Docker/Kubernetes familiarity
Preferred
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Scala or Python experience
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Talend/DataStage exposure
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Data lake experience (Iceberg/Parquet)
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Frontend/API integration exposure
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Experience supporting large-scale production systems, Candidates must have hands-on experience building real-time/event-driven data pipelines using Kafka and Spark/Flink, along with strong microservices and API development experience.
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