Senior Sql Engineer

Há 11 horas

Ribeirão Pires, Brasil Upstart Aec Tempo inteiro

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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