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Gitlab's Interview Process (2026)

Blog / Gitlab's Interview Process (2026)

The GitLab software engineer interview process is built around its all-remote, async-first culture, and that shows up in how they evaluate candidates at every stage. Most candidates report going through five main rounds, though the specifics can vary by role, team, and seniority.

Written Assessment: Some roles start with a short written questionnaire or technical assessment, typically completed asynchronously before any live calls. This is often your first chance to show you can communicate clearly and concisely in writing.
Recruiter Screen: A 30-minute call to cover your background, compensation expectations, and general fit. Expect some discussion around GitLab's all-remote culture and whether that style of work appeals to you.
Technical Interview: Usually around 90 minutes and structured in two parts: a walkthrough of a pre-assigned Merge Request review you completed asynchronously, followed by a live pair programming session in that same MR. You typically receive the MR link 72 hours in advance and are expected to submit your written feedback at least 24 hours before the call.
Hiring Manager Interview: A 45 to 60-minute video call focused on behavioral questions, past experiences, and team fit. Interviewers typically align questions around GitLab's CREDIT values, so having specific stories ready is important.
Leadership / Director Interview: A final round of around 60 minutes with a senior leader, focused on values alignment, long-term goals, and how you think about your career in a remote-first environment. This is also a strong opportunity to ask thoughtful questions about the team's direction.

Once you understand the stages, it helps to break your preparation into focused categories. Here is what to prioritize:

Data Structures & Algorithms (DSA): Coding challenges covering arrays, caching, iterators, and classic data structures.
System Design (High-Level Design): Distributed systems design questions, primarily relevant for senior and staff-level roles.
Low-Level Design: Object-oriented and code-level design, including the live MR review and pair programming session.
SQL & Database: Database querying, performance analysis, and user activity reporting.
Behavioral: Values-based questions centered on GitLab's CREDIT framework, assessed across multiple rounds.

1. Data Structures & Algorithms (DSA)GitLab's technical interviews are not heavily LeetCode-focused, but some DSA fundamentals do appear, particularly for backend roles. You may encounter questions involving iterators, caching, and array manipulation, so it is worth staying sharp on the classics.Problems like Design LRU Cache and Flatten Nested List Iterator have been reported by candidates. These lean more toward real-world utility than abstract puzzles, which fits GitLab's philosophy.For structured preparation, working through our top 100 DSA questions will cover the range of difficulty you might encounter. Paying specific attention to sliding window and linked list patterns is a solid use of your time.

2. System Design (High-Level Design)System design questions are most common at the senior and staff levels at GitLab. Reported topics include distributed data migration systems, rate limiters, and CI/CD runner scaling, all of which map directly to GitLab's own infrastructure challenges.Questions like Rate Limiter and Distributed Task Scheduler are representative of the kind of thinking you will need. GitLab interviewers tend to care about practical tradeoffs, not just theoretical correctness.Brush up on High-Level Design concepts and practice drawing out architectures using our System Design practice tool before your interview.

3. Low-Level DesignThe core of GitLab's technical interview is the Merge Request review, which is essentially a low-level design and code review exercise. You will be asked to identify bugs, flag architectural issues, and suggest improvements in a real codebase.Backend candidates should be comfortable with Ruby on Rails patterns, while frontend candidates need a solid handle on Vue.js, semantic HTML, and accessibility standards. The pair programming segment that follows the MR review typically involves fixing failing tests or implementing a small feature.The best way to prepare is to practice thinking out loud through real code problems. Low-Level Design practice can help you sharpen your ability to reason through design decisions quickly under light time pressure.

4. SQL & DatabaseSQL shows up most often in backend and full-stack engineer interviews at GitLab. Expect queries around user activity, MR metrics, and performance analysis. Questions like Monthly Active Users and Merge Request Activity Summary are good examples of the style.Performance-focused questions using tools like EXPLAIN ANALYZE are also reported, particularly for more senior roles. GitLab runs at scale, so understanding how to identify and fix slow queries matters.Review SQL theory to make sure your fundamentals are solid before the interview.

5. BehavioralBehavioral questions at GitLab are structured around the CREDIT values: Collaboration, Results, Efficiency, Diversity, Inclusion and Belonging, and Transparency. These are not just talking points; interviewers actively probe for real examples that match each value.Using the STAR principle to structure your answers is expected. Candidates who prepare a specific story for each of the six CREDIT values tend to perform significantly better across both the hiring manager and leadership rounds.Transparency and Iteration are especially emphasized. Be ready to talk about a time you publicly admitted a mistake, changed course mid-project, or disagreed with a decision and handled it constructively. The Behavioral Playbook is a practical resource for building and rehearsing those stories.

ConclusionGitLab's process rewards candidates who genuinely embrace async communication, clear writing, and iterative thinking over those who just grind algorithm puzzles. Focus your energy on the MR review format, your CREDIT values stories, and your system design fundamentals if you are targeting a senior role. Follow the GitLab Interview Roadmap for a structured, stage-by-stage prep plan built around exactly what this process tests.