Technical Interview Prep for Coding Bootcamp Graduates

Coding bootcamps are great at teaching you to build things quickly. Technical interviews, however, often test skills that a 12 to 24 week program only touches lightly: data structures, algorithms, complexity analysis, and explaining your reasoning under time pressure. If you are a bootcamp graduate heading into your first technical interviews, here is a focused way to close that gap. Know which interview format you will face Junior developer interviews usually take one or more of these forms: - A live coding exercise on a shared editor or whiteboard - A take-home project with a follow-up review call - A pair programming session on a small feature or bug - A conversation about your portfolio projects Ask the recruiter which format to expect. Preparation for a take-home is very different from preparation for a LeetCode-style screen. Cover the fundamentals in a fixed order You don't need to master every algorithm. A realistic plan for most junior roles: 1. Arrays and strings: two pointers, sliding window, hash maps for counting 2. Hash maps and sets: lookup problems, duplicates, grouping 3. Stacks and queues: valid parentheses, simple BFS 4. Linked lists and trees: reversal, traversal, depth 5. Big O notation: be able to state time and space complexity for anything you write Spend 30 to 60 minutes a day on two or three problems, and revisit ones you got wrong a week later. Talk while you code Bootcamp grads often code in silence because they are used to building alone. In interviews, narrate: restate the problem, ask clarifying questions, describe a simple approach first, then improve it. Interviewers frequently pass candidates who communicate well even if the final solution is not perfect. Make your portfolio interview-ready Pick your best two projects and prepare to explain: - Why you chose the stack - One hard bug and how you found it - How you would scale or test it with more time - What you would change now Re-read your code before the interview. It is common to forget how your own authentication or state management works. Prepare for "Why did you switch careers?" Most bootcamp grads are career changers. Turn your previous career into an advantage: domain knowledge, client communication, project management, or working under pressure. Keep the answer short and forward-looking. Practice in realistic conditions Do mock interviews with peers, mentors, or alumni from your bootcamp. Time yourself, use a plain editor without autocomplete, and practice recovering when you get stuck. Support on interview day Preparation is what gets you through, but nerves are real in a first technical interview. Linkjob AI (https://linkjob.ai) provides real-time help during live job interviews and technical interviews, which can help you organize your thoughts or recall a pattern when your mind goes blank. Use it alongside your practice, not instead of it. Final thought Many bootcamp grads apply to a lot of roles before the first offer. Each interview is practice for the next. Keep notes on the questions you were asked, fill the gaps, and keep going.