Online Round: Reverse merge two sorted LinkedList in Glider Tech Round 1 : Craft Demo - Print root of subtree when we delete a node. Expanding on it, what if we delete multiple nodes. Print root of subtrees. Tech Questions related to resume. Tech Round 2 : LCA of Binary Tree. In-Depth questions on Resume Tech stack. Tech Round 3: Write a Rest API controller, Service Layer for file uploading up to 1 GB. (MultiPart-Form Data might be an option)