SQL Developer

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

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization:

US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Position Description:

The SQL Developer will design, develop, optimize, and maintain database solutions to support enterprise applications and business reporting. This role involves writing complex SQL queries, developing stored procedures, managing database performance, and ensuring data accuracy, consistency, and availability.

Database Skills & Technical Requirements:

Strong hands-on experience with SQL development and relational database management systems.

Proficiency in writing complex SQL queries, joins, subqueries, CTEs, and window functions.

Experience with stored procedures, functions, triggers, and views.

Knowledge of database platforms such as Microsoft SQL Server, Oracle, PostgreSQL, or MySQL.

Experience with query optimization, execution plans, indexing, and performance tuning.

Understanding of database design, normalization, and data modeling concepts.

Familiarity with ETL processes, data integration, and data transformation.

Experience with database backup, recovery, and data validation procedures.

Knowledge of reporting tools such as Power BI, SSRS, or Tableau is preferred.

Familiarity with Python, PowerShell, or other scripting languages is an advantage.

Core Database 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.

Experience & Professional Skills:

4+ years of experience in SQL development or database engineering.

Strong experience working with enterprise relational databases.

Demonstrated ability to develop complex queries and troubleshoot performance issues.

Understanding of database architecture and software development lifecycle practices.

Strong analytical, debugging, and problem-solving skills.

Ability to manage multiple development tasks and collaborate with technical teams.

Education & Preferred Certifications:

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. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.