Senior Full-Stack Engineer — Remote Part-Time Contractor

YO AI Labs; Kraków; Remote; PLN 214,000 - 321,000; Full time

Benefits offered by this job

Flexible schedule

Remote work

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 across front-end and back-end systems.

This contractor role offers about 15 hours per week, fully remote work, and a flexible schedule to fit your availability. Candidates should be proficient in modern full-stack technologies and able to quickly learn unfamiliar codebases.

Qualifications

• Experience building and debugging full-stack applications.
• Ability to review AI-generated code for correctness and security.
• Familiarity with APIs, databases, and scalable architectures.
• Ability to work across multiple languages and codebases.

Responsibilities

• Develop and debug front-end and back-end applications.
• Build features, APIs, services, and data models.
• Review and evaluate AI-generated code for quality and performance.
• Translate and adapt software builds between languages.
• Troubleshoot issues across applications, APIs, databases, and integrations.

Skills

Python

JavaScript

TypeScript

Go

Rust

Java

Node.js

React

HTML/CSS

APIs

Databases

Debugging

Code Review

Tools

Git

Docker

Job description

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 across front-end and back-end systems.

This contractor role offers about 15 hours per week, fully remote work, and a flexible schedule to fit your availability. Candidates should be proficient in modern full-stack technologies and able to quickly learn unfamiliar codebases.