Senior Backend Engineer — Remote, AI-Driven Systems

GitLab Inc.; Poland; Remote; PLN 272,000 - 408,000; Full time

Job summary

GitLab Inc. is seeking a Senior Backend Engineer to design, implement, and evolve backend capabilities for a high-scale, global platform. You will influence technical direction across product, frontend, infrastructure, data, and security boundaries while maintaining quality and reliability.

You will mentor engineers, champion performance and security, and explore AI integration within production workflows, all within a remote-first organization that values written communication and autonomy.

Qualifications

• Strong command of backend architecture, APIs, data systems, and performance tuning in a complex product.
• Ability to learn multiple backend languages; adaptability over mastery of a single language.
• Experience designing modular boundaries and migration-safe architectures.
• Ability to lead through influence with clear written communication.

Responsibilities

• Design and ship backend features with minimal guidance and pragmatic architectural choices.
• Define backend standards for style, maintainability, testing, and operational readiness.
• Mentor associate and intermediate engineers and remove blockers.
• Diagnose performance and reliability issues; participate in incident responses.
• Leverage AI in production engineering and educate others on responsible use.

Skills

Deep Backend Expertise

Adaptability

Architectural Judgment

Influence

Agentic AI Expertise

Tools

Kubernetes

Job description

GitLab Inc. is seeking a Senior Backend Engineer to design, implement, and evolve backend capabilities for a high-scale, global platform. You will influence technical direction across product, frontend, infrastructure, data, and security boundaries while maintaining quality and reliability.

You will mentor engineers, champion performance and security, and explore AI integration within production workflows, all within a remote-first organization that values written communication and autonomy.