Trino Developer

Responsibilities

Hands-on production experience with Trino (or PrestoSQL/Presto).

• Strong, deep SQL expertise — complex analytical queries, window functions, CTEs, query optimization.
• Hands-on experience with Apache Iceberg (or comparable open table formats — Delta Lake, Hudi)

including schema/partition evolution and table maintenance.

• Practical experience with Snowflake and/or Apache Spark — enough to read, understand, and migrate

existing workloads.

• Understanding of distributed query execution: MPP architecture, join distribution, memory/spill behavior,

partition pruning, and predicate pushdown.

• Experience with cloud object storage and columnar file formats (Parquet, ORC).
• Proficiency in at least one programming language (Python, Java, or Scala) for tooling, UDFs, and

automation.

• Version control (Git) and CI/CD for data pipelines.

Additional Responsibilities

Strong analytical and problem-solving mindset for debugging correctness and performance issues.

• Clear communication — able to document migration decisions and work with analytics, platform, and

business teams.

• Ownership mentality with attention to data correctness and reliability.

Technical and Professional Requirements

• Experience leading a Snowflake ® Trino or Spark ® Trino migration at scale.
• Trino cluster administration and deployment on Kubernetes.
• Workflow orchestration (Airflow, Dagster, or similar) and dbt.
• Experience building data-validation / reconciliation frameworks for migration parity.
• Knowledge of Trino internals or connector development (contributing custom connectors/UDFs).
• Streaming/CDC ingestion into Iceberg (Kafka, Flink, Debezium).
• Data governance, lineage, and cost-optimization tooling.

Preferred Skills

• SparkSQL
• Snowflake

Educational Requirements

Bachelor of Engineering