Senior SQL Engineer | $48/hr Remote

Remote, USA • Full-time • Posted 2026-05-31

Senior SQL Engineer

Review and evaluate AI-generated SQL queries, database designs, and data-processing logic for accuracy, performance, and reasoning quality
Identify issues related to query structure, indexing strategies, schema design, concurrency, locking, and database optimization
Write high-quality reference implementations, prompts, and step-by-step explanations demonstrating correct SQL engineering methodologies
Compare and rank AI-generated responses based on correctness, scalability, maintainability, and contextual relevance
Fact-check database-related claims and validate ETL/ELT workflows, relational modeling, and data warehousing concepts
Create AI training content focused on SQL development, query optimization, data modeling, cloud data platforms, and large-scale database workflows
Test AI systems for inaccuracies, inconsistencies, and reasoning gaps in SQL engineering and database problem-solving tasks
Support AI model improvement through structured technical evaluations, documentation, and detailed database engineering feedback

Education: Bachelor s degree or higher in Computer Science, Information Systems, Engineering, Mathematics, or a closely related technical field
7+ years of professional experience working with SQL in production environments as a Database Engineer, SQL Developer, Data Engineer, or similar role
Expert-level proficiency in SQL including complex joins, window functions, aggregation strategies, query optimization, and execution plan analysis
Strong experience with database performance tuning, indexing strategies, concurrency troubleshooting, relational data modeling, and data warehouse schema design
Hands-on experience with ETL/ELT pipelines, large-scale datasets, and modern cloud or on-premise data platforms
Familiarity with version control systems, CI/CD practices, collaborative database workflows, and structured engineering review processes
Strong English communication skills (C1 or above) with the ability to write clear technical explanations and follow detailed engineering guidelines
Prior experience with AI data training, annotation, or evaluating AI-generated technical content preferred along with a highly detail-oriented and systematic review approach

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