Senior Database Architect

1 week ago

Johannesburg, Gauteng, South Africa Unique Personnel Ltd Full time

**Job Summary**

We are seeking an experienced Senior SQL Developer to design, implement, and optimize database systems that support our business operations and analytics.

The ideal candidate will have a deep understanding of SQL, database architecture, and performance optimization, with a proven ability to handle complex data challenges in a dynamic environment.

Key Responsibilities:

  • Design, develop, and maintain efficient database solutions, including schemas, tables, views, and stored procedures.
  • Optimize database performance, ensuring reliability, scalability, and security.
  • Write, debug, and maintain complex SQL queries and scripts for data extraction, transformation, and reporting.
  • Collaborate with software development and analytics teams to support data needs and ensure seamless integration.
  • Monitor database performance and resolve issues related to queries, indexing, and locking.
  • Implement and maintain backup, recovery, and archiving strategies.
  • Stay updated on emerging database technologies and best practices.
  • Provide technical guidance and mentorship to junior developers and team members.

Requirements:

  • Advanced proficiency in SQL and database systems such as Microsoft SQL Server, MySQL, or PostgreSQL.
  • Strong understanding of relational database design principles and normalization.
  • Experience with performance tuning, query optimization, and indexing strategies.
  • Familiarity with ETL processes and data warehousing concepts.
  • Knowledge of database security standards and compliance.
  • Excellent analytical and problem-solving skills.
  • Strong communication skills and the ability to work collaboratively in a team environment.

Preferred Qualifications:

  • Experience with cloud databases (e.g., AWS RDS, Azure SQL, Google Cloud SQL).
  • Familiarity with BI tools like Power BI or Tableau.
  • Knowledge of NoSQL databases and scripting languages like Python or PowerShell.

**Estimated Salary:** $120,000 - $180,000 per year, depending on location and experience.

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