Remote Ruby Backend Engineer for AI-Powered Agent Platform

GitLab Inc.; Polska; Hybrid; PLN 466,000 - 699,000; Full time

Job summary

GitLab Inc. is seeking an Intermediate Backend Engineer for the Agent Foundations stage to build the foundations for AI-enabled experiences across the software delivery lifecycle.

You will work with cross-functional teams to design GraphQL/REST APIs, implement robust backend logic, and ensure secure, scalable components in a primarily remote setting. Strong Rails experience and AI tooling interest are a plus.

Qualifications

• Experience building and maintaining production Ruby on Rails applications, including background jobs, APIs and data models.

Responsibilities

• Develop, ship and maintain features for the Duo Agent Platform in the GitLab monolith (Ruby) and, where needed, the AI Gateway (Python).
• Design, implement and review GraphQL and REST APIs and the backend logic behind them, with reliable, scalable and clear contracts for clients.
• Join Tier 2 on-call rotations to troubleshoot production issues and improve observability and resiliency.

Skills

Ruby on Rails

GraphQL

REST APIs

Python

SQL (PostgreSQL)

Performance optimization

On-call / incident response

Asynchronous collaboration

AI tooling usage

Tools

GraphQL

REST API

Python

Vue.js

PostgreSQL

Job description

GitLab Inc. is seeking an Intermediate Backend Engineer for the Agent Foundations stage to build the foundations for AI-enabled experiences across the software delivery lifecycle.

You will work with cross-functional teams to design GraphQL/REST APIs, implement robust backend logic, and ensure secure, scalable components in a primarily remote setting. Strong Rails experience and AI tooling interest are a plus.