Remote SQL QA Lead — Contractor (20+ hrs/wk)

OpenTrain AI, Inc.; United States; On-site; USD 75,768 - 96,432; Part time

Job summary

OpenTrain is seeking a SQL Quality Assurance Lead to review AI-generated SQL, schema reasoning, and data-modeling content, and to provide clear written feedback that keeps outputs accurate, executable, and rubric-aligned.

You will help maintain QA consistency across trainers and reviewers, own documentation and onboarding materials, and surface recurring issues for improvement in a remote, part-time contractor role.

Qualifications

• 3+ years of SQL experience in analytics, database engineering, reporting, QA, or technical review.
• Strong knowledge of joins, aggregations, subqueries, CTEs, window functions, and indexes.
• Ability to evaluate SQL against rubrics and spot syntax, performance, and security issues.
• Experience with PostgreSQL, MySQL, SQL Server, SQLite, BigQuery, Snowflake, or Redshift.
• Excellent English communication and remote collaboration with diverse teams.

Responsibilities

• Review SQL queries, database explanations, schema reasoning, analytics workflows, and optimization recommendations.
• Evaluate outputs for correctness, efficiency, readability, formatting, security awareness, and instruction-following.
• Spot recurring quality gaps and communicate workflow updates to trainers and QAs.
• Maintain documentation, FAQs, trackers, examples, honeypots, and onboarding materials.
• Support contributor activation, follow-ups, and onboarding calls for SQL work.

Skills

SQL proficiency

English communication

Documentation & onboarding

QA & rubric-based review

Tools

Discord

Google Sheets

Google Docs

GitHub

Trackers

Job description

OpenTrain is seeking a SQL Quality Assurance Lead to review AI-generated SQL, schema reasoning, and data-modeling content, and to provide clear written feedback that keeps outputs accurate, executable, and rubric-aligned.

You will help maintain QA consistency across trainers and reviewers, own documentation and onboarding materials, and surface recurring issues for improvement in a remote, part-time contractor role.