LinkedIn IC4 Loop
IC4 loops keep the senior shape with more weight on design, the project deep dive, and leadership. The step from IC3 to IC4 is a large one, and a loop that shows single-team scope tends to land at IC3.
The Rounds
Screens
- Recruiter CallCovers the scope of your recent work, the teams it touched, and the target level. · 30 minPractice Recruiter Call
- Technical Phone ScreenCoding in a shared editor. Some teams add a second screen with a short design discussion. · 60 minPractice Technical Phone Screen
Onsite
- CodingData structures and algorithms held to a high bar for clarity and edge cases. · 60 minPractice Coding
- System DesignA large distributed system with architecture decisions across services and a long time horizon. · 60 minPractice System Design
- Technical CommunicationA deep dive into a project that set direction for several teams, with the alternatives you weighed. · 60 minPractice Technical Communication
- Behavioral and LeadershipLeadership, execution, and influence across teams, tied to LinkedIn's values. · 60 minPractice Behavioral and Leadership
What the IC4 Loop Weighs
- A complete design delivered out loud, with the hard parts named early.
- Technical direction you set for an area that several teams depend on.
- A deep dive that shows results in numbers and the decisions you would revisit.
- Leadership stories at the scope of several teams.
Sources
Last checked Nov 2026. Loops vary by team and change over time, so confirm the details with your recruiter.