I will write custom sql queries database optimization and data extraction

Italy

I speak Italian, English

Fraud Analyst and Data Integrity Specialist SQL and Banking Security

[EN] Banking Fraud Analyst & SQL Data Specialist. With 3+ years in the sector, I protect businesses from financial risks. I don't just rely on automated tools; I use SQL and deep data analysis to spot...
About this Gig

Struggling with slow queries, broken database logic, or data extraction issues? Lets fix it.


As a professional Data Specialist and Cyber Security Analyst with years of experience handling high-volume financial databases, I write clean, optimized, and secure SQL queries tailored to your business needs.

Whether your application is lagging, your data is a mess, or you just need a complex report built yesterday--I've got you covered.


What I can do for you:

-Write custom SQL queries (JOINs, subqueries, views, stored procedures)

-Optimize slow-running queries and tune database performance

-Debug existing SQL scripts and database logic errors

-Clean, structure, and extract insights from your data


Why choose me?

-Security & Data Integrity First: I have a strong background in financial systems security. Your data structure is safe with me.

-100% Confidentiality: I only work with fully anonymized data or schemas to guarantee total privacy and compliance.

-Clean & Documented Code: Easy to read and ready to deploy.


Please contact me before placing an order so we can analyze your database schema and project requirements together!

Database type:

Centralized database

Hierarchical database

Platform:

MongoDB

MySQL

Oracle

SQL Server

Expertise:

SQL

Big data

Performance

Query optimization