**LSEG interview experience:**\n\n**Round 1 (eliminating)**\n\nPlatform - codility\n30 questions (apti + networking + 1sql question based on joins + java)\nShortlisted 16 candidates out of 300.\nHereon, all the rounds were non-eliminating\n\n**Round 2**\n\nCoding round \u2013 3 questions 60 mins \u2013 codility platform\nQ1. String question medium level- is it possible to convert a string s into string t either by adding a character, or swapping two characters or changing a character.\nQ2. Partition an array into 3 parts such that the maximum of difference between the max and min in each part is minimized.\nQ3. Given a number containing digits 0-9, in the range [-99,995 to 99,995] find the max no that can be obtained after deleting one \u20185\u2019 from the no.\n\n**Round 3**\nCase Study.\nGiven a case study where we have to add a functionality for btc trade in the current platform that deals with forex trading. Had a team of 8 members. Were given 30 mins to discuss among ourselves and present the solution and have qna for the next 30-40 mins.\n\n**Round 4**\n\nPersonal technical interview\nFor others the codes of round 2 were discussed before moving to development and oops and others. But for me he directly asked me to explain about the project and then asked why mern stack has been used. Then for dbms why mongodb and not mysql. Can we have both in the project. Then asked me what ** p means. Then implement a stack. Then singleton class and can we have private constructor and static method concepts asked. Then can we have a class wherein for every object we create, each object points to the same memory location. Then difference between js and c++ and can we use c++ in web development.\n\nSelected 2 candidates. \nI wasn\'t selected. Later they approached me and I joined.\n

LSEG interview experience:\n\nRound 1 (eliminating)\n\nPlatform - codility\n30 questions (apti + networking + 1sql question based on joins + java)\nShortlisted 