This curriculum spans the technical and operational breadth of a multi-workshop program focused on embedding big data practices into enterprise application development, comparable to an internal capability build-out for data-intensive systems across product, platform, and compliance functions.
Module 1: Strategic Alignment of Big Data with Application Lifecycle
- Define data-driven KPIs that align with application performance and business outcomes during product roadmap planning.
- Select application domains where big data integration delivers measurable ROI versus traditional data approaches.
- Integrate data strategy into agile sprint planning by prioritizing data-intensive user stories with high business impact.
- Establish cross-functional data squads comprising developers, data engineers, and product owners to co-design data-enabled features.
- Conduct feasibility assessments for real-time data ingestion versus batch processing based on SLA requirements.
- Balance technical debt accumulation from rapid data feature deployment against long-term data architecture sustainability.
- Negotiate data access and latency requirements with stakeholders during application requirement gathering.
- Map data lineage from source systems to application outputs to support auditability and compliance.
Module 2: Data Architecture for Scalable Application Systems
- Choose between Lambda and Kappa architectures based on application consistency requirements and operational complexity tolerance.
- Design schema evolution strategies for Avro or Protobuf to support backward and forward compatibility in microservices.
- Implement polyglot persistence by selecting appropriate data stores (e.g., Cassandra for time-series, Elasticsearch for search) per use case.
- Partition large datasets by business key (e.g., tenant, region) to enable efficient data isolation and query performance.
- Define data sharding strategies in distributed databases to prevent hotspots under high write loads.
- Optimize data serialization formats across service boundaries to reduce network overhead and deserialization latency.
- Enforce data contract validation at API gateways to prevent malformed data from entering the pipeline.
- Implement caching layers with TTL and cache invalidation logic to reduce load on backend data sources.
Module 3: Real-Time Data Ingestion and Stream Processing
- Configure Kafka topics with appropriate replication factor, partition count, and retention policies based on throughput and durability needs.
- Handle backpressure in Flink or Spark Streaming applications by tuning micro-batch intervals and buffer sizes.
- Implement exactly-once processing semantics using transactional sinks and idempotent writers in stateful stream jobs.
- Deploy change data capture (CDC) tools like Debezium to stream database changes into real-time application workflows.
- Monitor end-to-end event latency from source to sink to detect processing bottlenecks in streaming pipelines.
- Design fault-tolerant stream processing topologies with checkpointing and state backend configuration.
- Filter and transform high-volume streams at ingestion points to reduce downstream processing load.
- Secure Kafka clusters using SSL/TLS encryption and SASL authentication for inter-service communication.
Module 4: Data Quality and Governance in Production Applications
- Embed data validation rules (e.g., range checks, referential integrity) within application logic at ingestion points.
- Implement automated data profiling jobs to detect schema drift and anomaly patterns in incoming datasets.
- Assign data ownership roles within development teams to enforce accountability for data accuracy and timeliness.
- Log data quality metrics (completeness, uniqueness, accuracy) alongside application telemetry for root cause analysis.
- Apply data masking or tokenization in non-production environments to comply with privacy regulations.
- Version critical datasets and track changes using metadata repositories for reproducibility.
- Integrate data quality gates into CI/CD pipelines to prevent deployment of data-breaking changes.
- Respond to data incident alerts by triggering rollback procedures or circuit breakers in dependent services.
Module 5: Machine Learning Integration in Application Workflows
- Design feature stores with consistent training and serving views to eliminate training-serving skew.
- Version machine learning models and associate them with specific application releases for traceability.
- Implement A/B testing frameworks to compare model performance across user cohorts in production.
- Monitor model drift using statistical tests on prediction distributions and trigger retraining workflows.
- Cache model predictions with expiration policies to reduce inference latency for frequently accessed inputs.
- Isolate ML inference workloads using container orchestration to manage resource contention.
- Expose model endpoints via REST/gRPC APIs with rate limiting and authentication for secure access.
- Log prediction inputs and outputs for audit trails and regulatory compliance in high-stakes applications.
Module 6: Performance Optimization and Cost Management
- Right-size cluster resources for Spark jobs by analyzing executor memory, core utilization, and shuffle spill metrics.
- Implement data compaction and file format optimization (e.g., Parquet with Z-Ordering) to reduce query costs.
- Apply query pushdown and predicate filtering in data sources to minimize data movement across network.
- Negotiate reserved instance pricing for long-running data processing clusters to reduce cloud expenditure.
- Use autoscaling policies with cooldown periods to handle variable data loads without overprovisioning.
- Monitor I/O patterns and cache frequently accessed data in memory or SSD-backed storage tiers.
- Optimize join strategies (broadcast vs. shuffle) based on dataset size and skew distribution.
- Implement data lifecycle policies to archive cold data to low-cost storage and delete obsolete records.
Module 7: Security, Privacy, and Regulatory Compliance
- Enforce role-based access control (RBAC) on data platforms to restrict access by application component and user role.
- Encrypt data at rest using customer-managed keys and in transit with TLS 1.3 or higher.
- Conduct data protection impact assessments (DPIA) before launching applications handling PII.
- Implement audit logging for all data access and modification events with immutable storage.
- Apply differential privacy techniques in analytics features to prevent re-identification attacks.
- Design data residency strategies to comply with jurisdiction-specific regulations (e.g., GDPR, CCPA).
- Integrate data subject request workflows (e.g., right to erasure) into application CRUD operations.
- Validate third-party data processors for SOC 2 or ISO 27001 compliance before integration.
Module 8: Monitoring, Observability, and Incident Response
- Instrument data pipelines with distributed tracing to diagnose latency across microservices and data stores.
- Define SLOs for data freshness, pipeline uptime, and query latency with corresponding error budgets.
- Correlate application errors with data pipeline failures using shared context identifiers (e.g., trace IDs).
- Set up anomaly detection on data volume, schema, and null rate metrics using statistical baselines.
- Configure alerting thresholds to minimize false positives while ensuring critical data incidents are escalated.
- Conduct blameless postmortems for data outages to identify systemic weaknesses in application design.
- Simulate data pipeline failures in staging environments to validate application resilience.
- Maintain runbooks for common data incidents with step-by-step recovery procedures.
Module 9: Cross-System Data Integration and Interoperability
- Design idempotent data synchronization jobs to reconcile discrepancies between transactional and analytical systems.
- Implement event-driven integration patterns using message queues to decouple application components.
- Map heterogeneous data models across systems using canonical data formats and transformation layers.
- Negotiate API contracts with external partners for reliable and versioned data exchange.
- Handle rate limiting and retry logic when consuming third-party data feeds with variable availability.
- Validate data consistency across distributed systems using reconciliation jobs and checksums.
- Use service mesh patterns to manage observability, retries, and timeouts in data-dependent services.
- Document data exchange protocols and metadata schemas for onboarding new integration partners.