About us:

Working at Tech Holding isn't just a job, it's an opportunity to be a part of something bigger. We are a full-service consulting firm that was founded on the premise of delivering predictable outcomes and high-quality solutions to our clients. Our founders and team members have industry experience and have held senior positions in a wide variety of companies – from emerging startups to large Fortune 50 firms – and we have taken our combined experiences and developed a unique approach that is supported by the principles of deep expertise, integrity, transparency, and dependability.
The Role:
We are seeking a Senior SQL / ETL Engineer to support data migration, transformation, and database operations initiatives for one of our clients. This role will focus heavily on SQL development, ETL-related workflows, data loading, stored procedures, and large-scale data cleanup and manipulation efforts.
The idóneo candidate is highly hands-on with SQL and comfortable working directly with engineering and business teams to ensure data accuracy, integrity,



and performance across multiple systems.
Key Responsibilities:

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- Develop, maintain, and optimize SQL queries, stored procedures, and database scripts
- Load, transform, and validate large datasets within SQL Server environments
- Support ETL-related workflows, including data extraction, transformation, cleansing, and migration activities
- Perform data cleanup and manipulation tasks to improve overall data quality and consistency
- Troubleshoot SQL performance issues and optimize complex queries
- Collaborate with engineering and business stakeholders to understand data requirements and deliver accurate solutions
- Assist with ongoing database maintenance and operational support activities
- Ensure data integrity, validation, and reconciliation across systems
- Create and maintain technical documentation related to database and ETL processes

Required Qualifications:

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- Strong hands-on SQL development experience
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📌 Senior SQL (México)
🏢 Tech Holding
📍 México