Job Summary: A professional to work on building and analyzing strategic data, developing solutions for municipal tax authorities and supporting tax audit routines. Key Highlights: 1. Build and maintain SQL queries and rules 2. Develop and enhance tax audit reports and analyses 3. Work directly with PostgreSQL, ensuring performance and integrity A technology company specializing in developing solutions for municipal tax authorities—supporting tax audit routines, analysis of indicators, and decision-making—is seeking a professional to build and analyze strategic data for its platform. Responsibilities * Build and maintain SQL queries and rules (core function); * Develop and enhance reports, dashboards, and analyses focused on tax audit (indicators, data cross-referencing, and red flags); * Work directly with PostgreSQL, ensuring performance, integrity, and consistency of metrics; * Continuously correct and improve existing deliverables (bugs, rules, inconsistencies, and performance); * Address requests from support and development teams, aligning scope and business rules; * Support the web layer (browser) when necessary using HTML, CSS, and JavaScript for adjustments and delivery enablement; * Participate in the platform’s delivery cycle and environments (infrastructure as code), with Terraform support. Requirements * Completed or ongoing undergraduate degree in IT or related fields (Information Systems, Computer Science, Computer Engineering, Technology in Systems Analysis and Development, etc.); * Advanced SQL skills (mandatory): joins, aggregations, CTEs/subqueries, and data modeling reasoning; * Solid experience with PostgreSQL; * Practical foundation in HTML, CSS, and JavaScript for occasional web-layer tasks. Differentials * Knowledge of tax audit / tax enforcement processes, preferably at the municipal level. Position Type: Freelance / PJ Compensation: R$5,000.00 per month