Coding Specialist – Freelance AI Trainer

Invisible Technologies

. Challenge advanced language models on asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems .

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

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in asynchronous programming, RESTful API integration, and secure coding practices while effectively communicating technical concepts in Portuguese. Possesses strong coding skills in algorithms, data structures, and software architecture, complemented by real-world experience and technical writing capabilities.

Highest-signal resume keywords

Fluency In PortugueseAsynchronous ProgrammingRESTful API IntegrationSecure Coding PracticesSoftware Architecture

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AlgorithmsData StructuresFrontend DevelopmentBackend DevelopmentCloud InfrastructureSystems ProgrammingMemory ManagementObject-Oriented DesignDebugging Distributed SystemsTechnical Writing

Soft Skills

Clear CommunicationMetacognitive Communication

Certifications & Qualifications

Bachelor’s DegreeMaster’s DegreePhD

Industry Keywords

Software EngineeringTechnical ScenariosPrompt EngineeringEvaluation MetricsError Traces

Tech Stack

Tools & technologies

CloudDistributed Systems

About the role

Key responsibilities & impact

Challenge advanced language models on asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems
Converse with the model on software engineering tasks and technical scenarios in Portuguese
Verify logical accuracy and coding fluency
Assess naturalness and correctness of Portuguese language usage
Capture reproducible error traces
Suggest improvements to prompt engineering and evaluation metrics
Document failure modes to help harden model reasoning

Requirements

What you’ll need

Fluent in Portuguese (Portugal)
Coding expertise in algorithms, data structures, software architecture, frontend and backend development, cloud infrastructure, and systems programming
Expertise in asynchronous programming, RESTful API integration, memory management, object-oriented design, secure coding practices, and debugging distributed systems
Bachelor’s, master’s, or PhD in computer science, software engineering, or a closely related technical field is described as ideal
Real-world coding experience, technical writing in Portuguese, or open-source contributions signal fit
Clear, metacognitive communication and ability to show your work
Secure computer and high-speed internet
Geographic location affects the final offer amount

Benefits

Comp & perks

Contractor supplies a secure computer
Contractor supplies high-speed internet
Company-sponsored health insurance does not apply
Company-sponsored PTO does not apply