
HCL Technologies
Azure Senior Data Lead
RoleData Engineering
LevelSenior
LocationBangalore, India
WorkOn-site
TypeFull-time
Posted2 days ago
About the role
Job Summary
Design and build optimization capabilities for Databricks - spanning Spark tuning, cluster
right-sizing, job orchestration, DBU consumption, and Delta Lake storage.
- Translate platform expertise into product features - detection rules, recommendation
engines, and safe automated actions for production environments. - Build POCs to validate optimization ideas, demonstrate value, and support pre-sales
engagements. - Partner cross-functionally with backend, AI/ML, and data engineering teams to ship features
end-to-end
Key Responsibilities
Design and build optimization capabilities for Databricks - spanning Spark tuning, cluster
right-sizing, job orchestration, DBU consumption, and Delta Lake storage.
- Translate platform expertise into product features - detection rules, recommendation
engines, and safe automated actions for production environments. - Build POCs to validate optimization ideas, demonstrate value, and support pre-sales
engagements. - Partner cross-functionally with backend, AI/ML, and data engineering teams to ship features
end-to-end
Skill Requirements
- Engineering experience; hands-on exp in Databricks in production.
- Apache Spark internals
- Catalyst optimizer, Tungsten engine, AQE, DAG scheduler, shuffle
behavior, partitioning, broadcast/sort-merge joins, data skew handling, and Spark 4.0
capabilities. - Databricks platform depth
- Delta Lake (transaction log, OPTIMIZE, ZORDER, vacuum, liquid
clustering, schema evolution, time travel, CDC/merge), Lakeflow Declarative Pipelines, Unity
Catalog (governance, lineage, fine-grained access), Photon engine, Databricks Workflows, - Lakebase, and all cluster types (job, all-purpose, serverless SQL, serverless compute).
- Databricks REST API & SDK - programmatic management of clusters, jobs, permissions, and
workspace configuration. - Performance tuning
- Spark UI interpretation, physical plans, shuffle/skew/spill diagnosis,
join optimization, caching strategies, and Photon adoption decisions. - Cost optimization
- DBU forecasting, cluster sizing, autoscaling policies, spot vs. on-demand
trade-offs, instance pools, job-vs-all-purpose decisions, predictive optimization, serverless
economics (Performance vs. Standard mode, serverless GPU, egress, DBU trade-offs). - Advanced Python & expert SQL; deep Py Spark and Spark SQL internals.
- Cloud platforms (AWS/Azure/GCP) - IAM, networking, storage (S3/ADLS/GCS), and cloudnative services underpinning Databricks.
- Experience with Docker, Kubernetes, Terraform, and modern CI/CD pipelines.
- Strong fundamentals in data structures, algorithms, distributed systems, and large-scale
system design
MLflow, Mosaic AI ecosystem (Agent Framework, Agent Bricks, AI Gateway, Vector Search),
feature stores, Databricks SQL Warehouses, or Databricks Asset Bundles.
- Fin Ops practices and cost-attribution models for data platforms.
- Observability tools
- Prometheus, Grafana, Open Telemetry, Datadog.
- Contributions to open-source Spark/Delta/Databricks projects
Other Requirements
Databricks certifications a plus
BS/MS in Computer Science, Engineering, or related field
Required skills
Databricks
Apache Spark
Delta Lake
REST APIs
Performance tuning
About HCL Technologies
Bangalore
Headquarters