Remote Senior Full-Stack Engineer (AI Training)

Fullstack; La Pampa; Remote; ARS 62,954,000 - 83,939,000; Full time

Job summary

Fullstack is seeking a Sr. Full-Stack Software Engineer for a fully remote, contractor position (~15 hours/week). The role focuses on supporting an AI training project with software development, debugging, code evaluation, and problem-solving across frontend and backend tasks.

You will build features, APIs, data models, and services while reviewing AI-generated code for correctness, security, and performance. Strong cross-language translation skills are valued.

Qualifications

• Extensive experience building full-stack applications.
• Strong debugging and problem-solving skills.
• Familiarity with API design and data modeling.
• Ability to work across frontend and backend codebases.
• Experience translating requirements into scalable software.

Responsibilities

• Develop and debug front-end and back-end applications.
• Build features, APIs, services, and data models.
• Understand and work across unfamiliar codebases.
• Troubleshoot application, API, database, and integration issues.
• Review and evaluate AI-generated code for correctness, security, performance, and maintainability.
• Translate and adapt software builds between programming languages.

Skills

Python

React

JavaScript

Java

Node.js

Rust

Go

TypeScript

Full-stack development

APIs

Databases

Architecture

Debugging

Job description

Fullstack is seeking a Sr. Full-Stack Software Engineer for a fully remote, contractor position (~15 hours/week). The role focuses on supporting an AI training project with software development, debugging, code evaluation, and problem-solving across frontend and backend tasks.

You will build features, APIs, data models, and services while reviewing AI-generated code for correctness, security, and performance. Strong cross-language translation skills are valued.