Sr. Full-Stack Software Engineer - Remote

YO AI Labs; Kraków; Remote; PLN 207,000 - 331,000; Part time

Job summary

YO AI Labs is seeking an experienced Full-Stack Software Engineer to support an AI training project focused on software development, debugging, code evaluation, and technical problem-solving. This is a fully remote contract role.

You will develop and debug front-end and back-end applications, build features, APIs, services and data models, and review AI-generated code for correctness, security and performance. Flexible schedule, ~15 hours per week.

Qualifications

• Proven full-stack development experience across frontend and backend.
• Experience building APIs, data models, and scalable services.
• Ability to review AI-generated code for correctness and security.

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

Debugging

Job description

Full-Stack Software Engineer

Location: Global, 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