Senior SQL Developer - Performance & ETL Mastery

Ethereum Technologies; Phoenix (AZ); On-site; USD 85,000 - 125,000; Full time

Job summary

Ethereum Technologies is seeking an experienced SQL Developer to design and optimize database solutions. You will work on complex queries, Stored Procedures, and ETL processes within a Windows SQL Server environment.

The role emphasizes data integrity, performance tuning, and collaboration with business and technical teams to deliver reliable data services. The ideal candidate has 5+ years of SQL development and a solid foundation in data modeling, indexing, and security practices.

Qualifications

• 5+ years of experience in SQL development and database management.
• Strong hands-on experience with SQL Server and T-SQL.
• Experience in writing complex queries, joins, subqueries, and stored procedures.
• Knowledge of database performance tuning, indexing, and optimization.
• Experience with SSIS, SSRS, or ETL tools is preferred.
• Strong analytical, debugging, and problem-solving skills.

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

Stored procedures

Performance tuning

Data modeling

ETL processes

Debugging skills

Team collaboration

Education

Bachelor's degree in CS/IT/Engineering

Master's degree preferred

Tools

SSIS/SSRS

Job description

Ethereum Technologies is seeking an experienced SQL Developer to design and optimize database solutions. You will work on complex queries, Stored Procedures, and ETL processes within a Windows SQL Server environment.

The role emphasizes data integrity, performance tuning, and collaboration with business and technical teams to deliver reliable data services. The ideal candidate has 5+ years of SQL development and a solid foundation in data modeling, indexing, and security practices.