Senior Backend Engineer, Ruby

🕒 August 26

🇵🇱 Poland – Remote

💵 zł272k - zł408k / year

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 0%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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GitLab

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2014

💼 Consulting

📣 Marketing

🤖 Artificial Intelligence

💰 Secondary Market on 2020-11

Consulting • Marketing • Artificial Intelligence

GitLab is the most comprehensive AI-powered DevSecOps platform, offering tools for automated software delivery, security, and compliance throughout the software development lifecycle. It provides solutions across areas such as AI-assisted development, continuous integration/continuous deployment (CI/CD), source code management, and vulnerability management. GitLab aims to simplify and accelerate software delivery by uniting development, security, and operations on a unified platform. It is particularly recognized for its AI code assistants and has been named a leader in the Gartner Magic Quadrant™ for DevOps Platforms, making it a preferred choice for many enterprises.

📋 Description

• Lead backend features from early product discussions through technical design, implementation, rollout, and post-launch learning • Build flows, APIs, and data models behind agent-generated work items, implementation plans, durable specifications, and mergeable code • Develop evaluation and benchmarking systems measuring workflow quality, token cost, and success rate • Build reliable production systems using Ruby on Rails and Python, with PostgreSQL, GraphQL, REST, GitLab Duo Agent Platform, LLM APIs, and an AI gateway • Collaborate with product, design, engineers, design partners, and users to shape scope and make practical trade-offs • Coordinate multi-person projects and communicate decisions clearly in GitLab's asynchronous, all-remote environment • Mentor engineers and contribute to technical direction across the Plan group and related AI initiatives • Work in short iterations, share progress through demos, and use results and user feedback to guide next steps

🎯 Requirements

• Strong Ruby on Rails experience in a large production codebase and production experience with Python • Experience driving substantial projects with several engineers over multiple months, with clear user or business outcomes • A product mindset and experience owning features end to end, including shaping scope, making trade-offs, engaging with users, and learning from adoption after launch • A full stack background with a current focus on backend engineering, plus the ability to read modern frontend code and design effective APIs • Strong application programming interface design and structured query language fundamentals • Experience exploring artificial intelligence-assisted development • Ability to work independently, collaborate across functions and regions, and support others through technical leadership and mentoring • Experience with GraphQL, PostgreSQL performance at scale, or building and evaluating large language model or agent systems is helpful but not required

🏖️ Benefits

• Benefits to support your health, finances, and well-being • Flexible Paid Time Off • Team Member Resource Groups • Equity Compensation & Employee Stock Purchase Plan • Growth and Development Fund • Parental Leave