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:

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:

Strong hands-on SQL development experience

Experience working with SQL Server environments

Advanced SQL query writing and optimization experience

Experience developing and maintaining stored procedures

Experience with ETL processes and data migration activities

Strong experience with data manipulation, cleanup, and transformation

Experience loading and validating data within relational database environments

Ability to troubleshoot and resolve data-related issues independently

Strong attention to detail and data accuracy

Excellent communication and collaboration skills

Nice to Have:

Experience writing lightweight automation scripts using Python, Bash, JavaScript, or similar languages

Experience supporting SQL-based data migration and transformation workflows

Experience supporting enterprise data migration initiatives

Experience working within consulting or client-facing environments

Exposure to reporting or BI tools

Employment Type:

Contract

Remote within Mexico

Tech Holding is proud to be an Equal Opportunity Employer and is committed to fostering a diverse and inclusive workplace. We welcome applicants from all backgrounds and experiences, and we consider qualified applicants without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, disability, veteran status, or any other legally protected characteristic. If you require accommodation in the application process, please contact our HR

📌 Senior SQL / ETL Engineer (Contract) (San Pedro Tlaquepaque)
🏢 Tech Holding
📍 San Pedro Tlaquepaque