Senior Backend Engineer: Build Trustworthy AI Agents

GitLab; Polska; Hybrid; PLN 180,000 - 280,000; Full time

Job summary

GitLab is seeking a Senior Backend Engineer, Trusted Agentic Development, to own validation for agent-generated software and build the early proof of concept. You will prototype feedback mechanisms and develop approaches for Rust, Ruby, and Go under a shared definition of trusted.

Collaboration with engineering teams will drive adoption, trust, and validation quality across platforms. The role emphasizes designing distributed systems that run on Kubernetes-first architectures, fostering

Qualifications

• Hands-on experience building software with AI agents across multiple languages.
• Understanding validation gaps and approaches to close them.
• Experience designing distributed systems to run on Kubernetes first.

Responsibilities

• Own the technical thesis for validating agent-generated software.
• Prototype early feedback mechanisms to bridge tests and working software.
• Develop approaches for Rust, Ruby, and Go under a shared definition of 'trusted'.
• Design mid-loop feedback for an agent to self-correct toward working software.
• Set technical direction and review designs with the team.

Skills

Hands-on AI software

Multilanguage development

Distributed systems design

Code prototyping

Tools

Rust

Ruby

Go

Kubernetes

Job description

GitLab is seeking a Senior Backend Engineer, Trusted Agentic Development, to own validation for agent-generated software and build the early proof of concept. You will prototype feedback mechanisms and develop approaches for Rust, Ruby, and Go under a shared definition of trusted.

Collaboration with engineering teams will drive adoption, trust, and validation quality across platforms. The role emphasizes designing distributed systems that run on Kubernetes-first architectures, fostering