Senior SQL Developer — Performance Tuning & ETL

Quantum Technologies. LLC; Phoenix (AZ); On-site; USD 90,000 - 120,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced SQL Developer to design, develop, and optimize SQL Server databases and data pipelines. You will write complex queries, stored procedures, and triggers, and participate in data modeling and performance tuning.

You will collaborate with business and technical teams to support ETL processes, implement robust backup and security practices, and ensure data accuracy and integrity across systems.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• Master's degree preferred but not mandatory.
• Equivalent professional experience may be considered.

Responsibilities

• Design, develop, and maintain SQL queries, stored procedures, functions, and triggers.
• Develop and manage relational databases using Microsoft SQL Server.
• Perform query optimization and database performance tuning.
• Analyze complex data requirements and develop efficient database solutions.
• Implement database backup, recovery, and security procedures.
• Troubleshoot database issues and ensure data accuracy and integrity.
• Collaborate with developers, business analysts, and technical teams.
• Support ETL processes and data integration activities.

Skills

SQL

T-SQL

SQL Server

Complex queries

Stored procedures

Performance tuning

Data modeling

ETL processes

Debugging

Team collaboration

Education

Bachelor's degree in CS/IT/Engineering

Master's degree preferred

Equivalent experience considered

Tools

SSIS

SSRS

ETL tools

Job description

Quantum Technologies. LLC is seeking an experienced SQL Developer to design, develop, and optimize SQL Server databases and data pipelines. You will write complex queries, stored procedures, and triggers, and participate in data modeling and performance tuning.

You will collaborate with business and technical teams to support ETL processes, implement robust backup and security practices, and ensure data accuracy and integrity across systems.