SQL Coding Specialist – Freelance AI Trainer

Invisible Technologies

. Challenge advanced language models on software engineering topics and technical scenarios using SQL .

Posted 11/6/2026contractRemote • IndiaMid-LevelSenior💰 $8 - $65 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in SQL coding, algorithms, data structures, and software architecture, with a strong focus on technical writing and clear communication. Capable of assessing code quality, debugging distributed systems, and contributing to AI training and evaluation.

Highest-signal resume keywords

SQL Coding ExpertiseAlgorithms and Data StructuresSoftware ArchitectureTechnical WritingAsynchronous Programming

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

SQLAlgorithmsData StructuresSoftware ArchitectureFrontend DevelopmentBackend DevelopmentCloud InfrastructureSystems ProgrammingRESTful API IntegrationDebugging Distributed Systems

Soft Skills

Clear CommunicationMetacognitive Communication

Certifications & Qualifications

Bachelor's Degree in Computer ScienceMaster's Degree in Software EngineeringPhD in Related Technical Field

Industry Keywords

Technical WritingOpen-Source ContributionsSecure Coding PracticesMemory ManagementObject-Oriented Design

Tech Stack

Tools & technologies

CloudDistributed SystemsSQL

About the role

Key responsibilities & impact

Challenge advanced language models on software engineering topics and technical scenarios using SQL
Converse with models on software engineering tasks
Verify logical accuracy and coding fluency
Assess code quality and clarity
Capture reproducible error traces and document failure modes
Suggest improvements to prompt engineering and evaluation metrics
Help train AI systems and harden model reasoning

Requirements

What you’ll need

Coding expertise fluent in SQL
Expertise in algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming using SQL
Fluency in asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems
Real-world SQL experience, technical writing, or open-source contributions signal fit
Clear, metacognitive communication and ability to “show your work”
A bachelor’s, master’s, or PhD in computer science, software engineering, or a closely related technical field is ideal

Benefits

Comp & perks

Pay range of $8-to-$65 per hour
As a contractor, supply a secure computer and high-speed internet
Company-sponsored benefits such as health insurance and PTO do not apply