Senior SQL Engineer
Há 8 horas
About the Role We're looking for a hands-on SQL Engineer with deep experience in Athena and PrestoSQL to join a high-performance data team. You'll be responsible for writing, optimizing, and maintaining large-scale SQL queries and data models that support analytical and reporting workflows across distributed data systems. This role is purely technical — ideal for someone who loves diving into queries, tuning performance, and transforming raw data into reliable, production-ready outputs. Key Responsibilities Write and optimize complex SQL queries for large datasets in AWS Athena and PrestoSQL . Design, maintain, and improve data models (fact/dimension structures, partitioning, data integrity checks). Build and manage data outputs in CSV, Excel, or other analytical formats . Collaborate with data and business teams to translate data requirements into efficient SQL logic. Perform query tuning and cost optimization for S3-based storage environments. Monitor query performance, troubleshoot data issues, and ensure accuracy and consistency. Required Skills & Experience 3–6 years of hands-on SQL development experience (advanced query design, joins, CTEs, window functions). Mandatory: Proven, production-level experience with Athena and PrestoSQL . Strong experience working with data warehouses, data lakes, and S3-based querying. Solid understanding of data modeling concepts (star schema, partitioning, data lineage). Experience building and validating analytical datasets and exports (CSV, Excel, BI feeds). Comfortable working in fast-paced, remote, data-driven environments . Nice to Have Familiarity with AWS Glue, Redshift, or Trino . Experience with Python or lightweight ETL scripting. Exposure to BI tools like Power BI , Tableau , or Looker . Ideal Candidate Hard-working, detail-oriented, and self-driven. Thrives in a fast-moving, independent, and fully remote setup. Communicates clearly and works proactively with distributed teams.
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