Sr.

Full?Stack Software Engineer - Remote

Full-Stack Software Engineer

Location

Integral, Fully Remote

Job Type

Contractor | ~15 hours/week

Schedule

Flexible

We're looking for experienced

Full-Stack Software Engineers to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving.

Key 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.

Required Skills

Python

React

JavaScript

Java

Node.js

Rust

Go

TypeScript

Strong full-stack development experience

Experience with APIs, databases, application architecture, and debugging

Hiring Process

Submit application and screening questions.

Complete a ~30-minute AI interview.

Complete a technical assessment, if required.

Hiring manager review.

📌 Senior Full-Stack Engineer — Hybrid + Equity (Barcelona)
🏢 Lexroom
📍 Barcelona