Senior Java Engineer (Segmentation & Audience Platform)

• Design and implement core components of the audience segmentation platform
• Develop and evolve a flexible segment definition language supporting complex targeting scenarios
• Build scalable evaluation engines for processing large-scale entity and relationship data
• Implement relationship-based audience resolution across multiple entity types
• Optimize incremental recomputation for continuous data changes
• Create event-driven pipelines for real-time segment accuracy
• Ensure governance, auditability, and lifecycle traceability of segments
• Design low-latency resolution services for high-scale operations
• Develop caching strategies for dynamic segments and snapshots
• Optimize system performance, scalability, and operational efficiency
• Collaborate with product and engineering teams to define platform capabilities and architecture
• Provide technical leadership and contribute to architectural decisions
• At least 5 years of commercial software engineering experience 
• Strong Java expertise
• Solid understanding of streaming architectures and stateful stream processing using technologies such as Apache Beam, Apache Flink, Kafka Streams, or Spark Structured Streaming
• Strong experience designing and building rule engines, expression evaluators, query engines, or policy/targeting systems
• Hands-on experience with incremental computation and materialized view maintenance
• Experience designing event-driven distributed systems with a strong focus on scalability and reliability
• Strong knowledge of data consistency concepts, including point-in-time snapshots, exactly-once processing, idempotency, bounded staleness, and eventual consistency
• Experience building dependency graphs, composition engines, or DAG-based processing pipelines
• Practical experience with distributed data stores and low-latency data modeling
• Strong knowledge of Java and Google Cloud Platform, including Pub/Sub and Apache Beam
• Experience building correctness-critical systems with a strong focus on testing, validation, and fault tolerance
• Solid understanding of versioning, rollback strategies, anomaly detection, and production safety practices
• Upper-Intermediate English level

WILL BE A PLUS

• Experience with AdTech, MarTech, CRM segmentation, audience-building, or campaign targeting platforms
• Experience with query optimization, indexing strategies, and database internals
• Knowledge of graph processing, relationship traversal, or projection-based systems
• Experience with multi-tenant architectures, workload isolation, and cost optimization
• Understanding of GDPR-compliant data deletion and privacy propagation
• Experience working in regulated domains such as Education (K-12), Healthcare, or FinTech
• Experience with Google Cloud Spanner or similar globally distributed databases
• Familiarity with geospatial indexing and location-based querying

PERSONAL PROFILE

• Proactive and detail-oriented
• Thrives in collaborative environments
• Enjoys solving complex integration challenges
• Comfortable experimenting with new technologies
• Committed to improving data systems