I'm Willie Coronel.

Data Engineer. Learner.

Experience

March 2024 — Present

Junior Data Engineer

Lately, Everything Needs Analytics (LENA)

  • Designed and developed production-grade ELT pipelines using Databricks, PySpark, SQL, dbt, Snowflake, and Matillion, delivering scalable datasets for analytics and operational applications.
  • Built an end-to-end Medallion Architecture pipeline from Snowflake to Databricks to Aerospike, implementing Bronze and Silver layers and serving curated data through a high-performance key-value store for downstream systems.
  • Automated business-critical reporting pipelines, eliminating manual data preparation and enabling reliable scheduled refreshes for dashboards consumed by business stakeholders.
  • Partnered directly with clients, business stakeholders, and cross-functional teams to translate business requirements into scalable data models, pipeline architectures, and production-ready solutions.
  • Co-owned production data pipelines from solution design through deployment, contributing to architecture discussions, code reviews, testing, and Git-based release workflows.
  • Python
  • SQL
  • dbt
  • Databricks
  • Snowflake

August 2023 — September 2023

Data Analyst Intern

Asia United Bank

  • Prepared and analyzed credit-risk data while automating recurring scorecard consolidation workflows.
  • Python
  • SQL
  • Excel

July 2023 — August 2023

Information Security Intern

Asia United Bank

  • Created secure-coding guidance for Java and C applications based on the OWASP ASVS.
  • OWASP ASVS
  • Java
  • C

Platforms & technologies

Tools I use to build reliable data systems.

  • Databricks
  • Snowflake
  • dbt
  • SQL
  • Apache Spark
  • Aerospike

Get in touch

Let’s build something useful.

Manila, Philippines