I will write sql queries, database scripts and optimize database design

Certaines informations sont présentées en anglais.

Colombie

Je parle Espagnol, Anglais

Software Developer and IT Support Specialist

I am a Software Developer and IT Support Specialist with over 2 years of experience managing service desks, optimizing relational databases, and troubleshooting applications in production environments...
À propos de ce service

Are you struggling to get the exact data you need from your database? Do you need optimized, clean, and fast-running SQL queries for your business reports or backend application? I am here to help!

I am a backend and database developer specializing in relational database systems like MySQL and PostgreSQL. Whether you need to extract complex information for data analysis, fix a broken script, or design a clean database schema from scratch, I will deliver production-ready SQL code tailored to your exact needs.

What I can do for you:

  • Write complex SQL queries (SELECT, INSERT, UPDATE, DELETE).
  • Multi-table relationships using advanced JOINs, subqueries, and CTEs.
  • Data aggregation and grouping for business intelligence and reporting.
  • Create custom database Views, Functions, and Stored Procedures.
  • Optimize slow-running queries to improve your application's performance.
  • Design and normalize database schemas (tables, primary/foreign keys).

Why work with me?

  • Clean & Well-Commented Code: Easy to understand and maintain.
  • Performance Focused: Queries optimized to run fast and save server resources.
  • Accurate Data: Strict attention to detail to ensure your reports match your business logic.

Type de base de données:

Base de données relationnelle

Plateforme:

mariadb

mySQL

PostgreSQL

Expertise:

Conception

SQL

Optimisation des demandes