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Crossing Hurdles

SQL Developer | $100/hr Remote | Mercor

Remote

Canada

$ 100 /hour

Freelance

03-12-2025

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Skills

SQL MySQL PostgreSQL Test Research Organization SQL Server

Job Specifications

At Crossing Hurdles, we work as a referral partner. We refer candidates to Mercor that collaborates with the world’s leading AI research labs to build and train cutting-edge AI models.

Organization: Mercor

Position: Database Administrators

Referral partner: Crossing Hurdles

Type: Hourly contract

Compensation: $75–$100 per hour

Location: Remote

Commitment: 10–40 hours/week, flexible and asynchronous

Duration: Flexible

Role Responsibilities:

Design and optimize complex SQL queries using EXPLAIN plans and indexing strategies.
Implement schema changes with CREATE/ALTER statements and rollback planning.
Configure and validate automated backup and restoration procedures.
Manage user roles and permissions following defined security policies.
Export/import data between systems with validation checks and encoding integrity.
Execute data quality checks and report violations with remediation scripts.
Apply statistics updates, manage transaction logs, and test failover recovery.
Perform compliance data extractions, patching, and system audits for enterprise use cases.
Document processes and performance findings in clear, reproducible formats.

Ideal Qualifications:

Strong experience as a Database Administrator working in production environments.
Expert-level SQL skills and proficiency with PostgreSQL, MySQL, and/or SQL Server.
Strong background in performance tuning, security, data integrity, and schema design.
Familiarity with compliance standards (e.g., SOX), data export formats, and backup tooling.
Comfortable handling large datasets, interpreting execution plans, and managing database infrastructure end-to-end.
Ability to produce production-quality scripts and documentation for technical audiences.

Application Process (Takes 20 min):

Submit your resume
AI interview based on your resume (15 min)
Submit form

About the Company

At Crossing Hurdles, we specialise in customised recruitment and staffing solutions designed to drive success for businesses and professionals. Our focus is on connecting organisations with top-tier talent by sourcing, screening, and presenting only the top 1% of candidates across a wide range of industries. We work closely with clients to understand their unique needs, ensuring that we find candidates who not only fit the role but also align with their organizational culture. Over the past few quarters, we've successfully p... Know more