I recently went through Capital One’s Full Stack Engineer assessment on CodeSignal, and it’s very LeetCode-style.I wrote a complete review of my interview experience on my personal page, Linkjob.You get four algorithmic problems in 70 minutes, ranging from arrays and strings to dynamic programming or debugging. To prep, I hit LeetCode and HackerRank hard, focusing on data structures like arrays, linked lists, and stacks, plus core algorithms. Timed practice helped me handle the pressure. The test is proctored, so test your webcam and ID setup beforehand. Start with easier questions to build momentum, and if you’re stuck, skip and revisit later. Stay calm, practice consistently, and you’ll crush it! Good luck!