Coding Specialist, Fluent in Spanish, Freelance AI Trainer

Invisible Technologies

. Converse with AI models on software engineering tasks and technical scenarios in Spanish (Latin America) .

Posted 11/1/2026contractRemote • ColombiaMid-LevelSenior💰 $8 - $65 per hourWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates fluency in Spanish (Latin America) while engaging with AI models on software engineering tasks. Possesses expertise in algorithms, data structures, and both frontend and backend development, alongside strong technical writing skills in Spanish.

Highest-signal resume keywords

Fluent In Spanish (Latin America)Expertise In AlgorithmsSoftware ArchitectureFrontend And Backend DevelopmentCloud Infrastructure

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Asynchronous ProgrammingRESTful API IntegrationMemory ManagementObject-Oriented DesignSecure Coding PracticesDebugging Distributed SystemsLogical Accuracy VerificationCoding Fluency AssessmentTechnical Writing In SpanishOpen-Source Contributions

Soft Skills

Clear CommunicationMetacognitive Communication

Certifications & Qualifications

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

Tech Stack

Tools & technologies

CloudDistributed Systems

About the role

Key responsibilities & impact

Converse with AI models on software engineering tasks and technical scenarios in Spanish (Latin America)
Challenge advanced language models on coding and software engineering topics
Verify logical accuracy and coding fluency
Assess naturalness and correctness of Spanish language usage
Capture reproducible error traces and document model failure modes
Suggest improvements to prompt engineering and evaluation metrics
Help harden AI model reasoning and build training data for next-generation AI

Requirements

What you’ll need

Fluent in Spanish (Latin America)
Expertise in algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming
Knowledge of asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems
Ability to verify logical accuracy and coding fluency
Ability to assess naturalness and correctness of Spanish language usage
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
Real-world coding experience, technical writing in Spanish, or open-source contributions signal fit

Benefits

Comp & perks

Pay range of $8-to-$65 per hour, with the exact rate determined after evaluating experience, expertise, and geographic location
As a contractor, supply a secure computer and high-speed internet
Company-sponsored benefits such as health insurance and PTO do not apply