SQL query writing

I am looking for a skilled SQL query writer who is experienced with big query. The ideal candidate should have expertise in writing complex queries.

Requirements:
- Proficiency in MySQL, Oracle, or SQL Server
- Ability to understand and execute complex query requirements
- Strong problem-solving skills to optimize query performance
- Experience in working with large datasets and handling complex data structures

Responsibilities:
- Collaborate with our team to understand the specific query requirements
- Write complex SQL queries to extract and manipulate data from our big query database
- Optimize query performance for efficient data retrieval
- Troubleshoot and resolve any issues related to query execution

Skills and Experience:
- Strong knowledge of SQL and different database systems (MySQL, Oracle, SQL Server)
- Proven experience in writing complex SQL queries
- Familiarity with big query optimization techniques
- Excellent problem-solving and analytical skills

If you have the expertise in SQL query writing and are comfortable working with complex queries, please submit your proposal.