Senior SQL Engineer: Optimize & Deliver Data Solutions

Valiant Technologies LLC; Columbus (OH); On-site; USD 90,000 - 120,000; Full time

Job summary

Valiant Technologies LLC is seeking an experienced SQL Developer to design, develop, optimize, and maintain database solutions for enterprise applications and reporting.

You will write complex SQL, develop stored procedures, and ensure data accuracy and availability across systems. Collaboration with developers and analysts is essential to meet data requirements and performance goals.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Database Administration, or a related field.
• Master's degree is preferred.
• Microsoft SQL Server, Oracle Database, or PostgreSQL certifications are an advantage.
• We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs.

Responsibilities

• Develop and maintain complex SQL queries, stored procedures, and database functions.
• Design and optimize database structures to support application requirements.
• Analyze query execution plans and improve database performance.
• Troubleshoot database issues and resolve data-related defects.
• Build and maintain data extraction, transformation, and loading processes.
• Perform data validation, reconciliation, and integrity checks.
• Support database migrations, upgrades, and application integrations.
• Collaborate with developers, data analysts, and business teams to understand data requirements.
• Maintain database documentation and follow established development standards.
• Ensure data security, consistency, and reliability across database environments.

Skills

SQL development

Relational database design

Query optimization

Stored procedures

ETL processes

Data validation

Performance tuning

Data modeling

Python scripting

PowerShell scripting

Reporting tools awareness

Education

Bachelor's degree in Computer Science/IT/DB Admin

Master's degree preferred

Certifications: MS SQL Server / Oracle / PostgreSQL

Tools

Microsoft SQL Server

Oracle

PostgreSQL

MySQL

SSRS

Power BI

Tableau

Job description

Valiant Technologies LLC is seeking an experienced SQL Developer to design, develop, optimize, and maintain database solutions for enterprise applications and reporting.

You will write complex SQL, develop stored procedures, and ensure data accuracy and availability across systems. Collaboration with developers and analysts is essential to meet data requirements and performance goals.