Remote Senior Full-Stack Engineer — Java & React

Fullstack; La Pampa; Remote; ARS 104,323,000 - 166,916,000; Full time

Job summary

Fullstack is seeking a Sr. Full-Stack Software Engineer to work remotely on an AI training project focused on software development, debugging, code evaluation, and problem-solving. This contractor role offers approximately 15 hours per week with flexible scheduling.

You will develop frontend and backend features, APIs, data models, and work across unfamiliar codebases while reviewing AI-generated code for correctness, security, and performance.

Qualifications

• Proficient in Python, JavaScript/TypeScript and modern frontend/backend stacks.
• Experience building and debugging full-stack applications and APIs.
• Ability to understand and work across unfamiliar codebases.
• Strong problem-solving and code review capabilities.

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

Job description

Fullstack is seeking a Sr. Full-Stack Software Engineer to work remotely on an AI training project focused on software development, debugging, code evaluation, and problem-solving. This contractor role offers approximately 15 hours per week with flexible scheduling.

You will develop frontend and backend features, APIs, data models, and work across unfamiliar codebases while reviewing AI-generated code for correctness, security, and performance.