I've changed the asker's name below, but a few of the participants kindly agreed to share their full names and links to their online profiles. How 8 Software Engineers Solved Their Biggest Technical Challenges. I was working on measuring bistable MEMS devices. It's a great way to demonstrate the impact you've had on a project or company, and it lets the interviewer know that you're focused on results. One of the biggest technical challenges we're facing is the continuous scaling of Optiver's machine learning (ML) capabilities in such a fast-paced environment.
This project really allowed me to develop my knowledge and technical skills for building a highly-scalable machine learning platform. For software engineers, the pressure is on to get it right. I would have been able to go straight to hardware engineering with that instead of spending many miserable nights debugging an RTOS and ISRs. Similar to the previous question, you must do your homework on the company in order to be able to provide specific examples when answering this question. With that said, there's a fine line between showing your eager attitude and coming off as desperate. Rolling deploys are tricky because, during the deploy process, you are temporarily and simultaneously serving traffic from both old and new versions of your app as machines are gradually updated with the new version. If you don't receive a response in three to four days, you might want to try emailing someone else in the company you spoke to. 10 Challenges Every Software Product Developer Faces. The scope of the project is the size and ambiguity level. But, on another thread, I'm serious about people being the hardest things about technology.. }. Asking about what specific sense are you referring to when you (the interviewer) ask me about the hardest technical problem. 2: This bug I learned a good amount from. Having tests to verify object and method behavior is invaluable when designing a new feature such as this, as it gives us a baseline to always come back to basic program functionality. I could talk for 8 hours - and scratch the surface - of where we are and where we need to be. I mostly get PDF for my sins.
These software development challenges need to be addressed almost immediately to reduce the impact they have on your end product. "Go to market" of your product therefore is a harder task than "proof of concept". What is the hardest technical problem you've solved in 2021. A thank you email should be sent out on the same day of the interview or one day after your interview. Of course, in reality, the signal is really "I have no idea how to interview someone, please make this easy for me. "
My experience thus far as a software developer had been handling a few inputs at a time — names, dates, checkboxes, all quite manageable. Some questions to think about to help you structure your answer, and nail your response: Monitoring system performance is another skillset that your interviewer is going to want to check. I know this sounds like compound nonsense, but I honestly had to give pause on this question. What is the hardest technical problem you've solved in the world. It's probably not going to be something like 'I changed the css property value from "display: block" to "display: inline-block".. '.
In doing this redesign, I realized that the weak_ptr promotes itself temporarily by effectively asking "hey is this still allocated somewhere? " We were recently migrating our primary customer-facing web application and API from an in-house data center to AWS. Problem: There are thousands of different technologies, systems, and applications available for businesses. Top Software Engineer Interview Questions & Answers. One way to solve this problem is to maintain old and new versions of assets on a CDN (content delivery network).
And since I'm accountable for the overall productivity of the team, I didn't want to stick around and deal with the negative effects. For instance, if you—intentionally or unintentionally—caused unhealthy dynamic-shifts within a team, it would be important to let the interviewer know that you were mature enough to apologize for your own mistakes and actively sought out ways to resolve the conflicts in order to re-establish trust within the team. So, um, how would you say your skills deploying to NodeJS are. It's also very easy to underestimate the depth of domain knowledge and accounted-for corner cases encoded in an old codebase. Processed images taken in real-time, not 40 minutes. He wouldn't be able to say "I sped up the pipeline 6x. Later a junior employee worked on it, was unable to develop pixel-level measurements still, though was able to get it to work at lower resolutions. For bonus points: explain the pros and cons of the library/service and whether it was your decision to choose that particular suite.
If you're unsure about how to go about structuring your answer, the STAR method is a good guideline: Different to the previous question, the interviewer is interested in the most job-related challenge you faced in your career. If you don't have resources with hands-on experience in the latest and trending technologies, it is sure to impact your time to market. To break the ice, give the interviewers some information about yourself. Solution: When you come out with the test approach, scenarios, conditions, cases, and scripts, make sure your test plan covers all the requirements that are to be delivered by planning several cycles of testing. "Where do you see yourself in 5 years? " And big wins like that are usually compacted pretty early on. That sounds like it might be good evidence the problem was a hard problem, but in fact the solution just involved writing down a formula that anyone who was exposed to probability in high school could have written down, if it had occurred to them that the problem could be phrased as a probability problem (that is, the solution involved multiplying a few probabilities and then putting that in a loop). Configuring a firewall via iptables is harder than configuring a firewall via your router's web gui, since the first requires bash, Linux, tcp/ip related skills as a foundation to even understand what iptables does. Resorted to redesigning a distributed file-system based on HFS+ and btrfs for COW and COR obligations. It was probably the single greatest pure technical programming I've done in my career.
The main purpose of this email is to show your excitement and appreciation. To help you structure your answer, we'll give you a rough guideline: start with a short introduction, talk about the present, recount the past, and mention your future goals. 5 days including basic testing. Together, we traced the issue back to a quirk in how our system was interacting with Google Drive's upload API: Failed uploads, on retry, were creating unique entries — and this was happening several hundred times a day on a single video. What that means is, to adequately answer this question, you need to start by researching the company. After all, issues in the code can potentially affect every other facet of a product. Non deeplearning, so no libraries to use) I really want to stop, because it is hard, involves me banging my head a lot and a lot of concepts that I have to learn.
Ready to find a new role? All the while I asked: "How does this piece change what we are building? The whole thing becomes messy, and by the time you're done, the "new system" usually isn't really all that improved over the old system. For instance, how much time do you: Describe one or two instances where you had several projects running simultaneously and how you managed to prioritize different tasks, make progress, meet milestones, and work on iterations based on feedback. 3) [... ] harder if it requires a higher composition level of skills. Well, shared_ptr<> not all it's cracked up to be.
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