Arcadis Full Stack Developer interview questions

1) Introduce yourself 2) Maximum length of consecutive numbers in an array Asked to code it in leetcode. 3) Projects and explain about them. 4) Frontend: HTML, CSS, and Javascript—asked to code about each by giving some details of how the UI should look. Asked about promises, async, await, then(), error handling, fetch(), and form methods like get, post, put, and delete. Asked about React: What is React, components, virtualDOM, setIntervals? 5) Backend: how I am fetching data into the projects and showing in the frontend, what all databases you know and How did you use them in your projects? How exactly did I use databases and fetch the data? About Sessions Explain the concepts of OOPs, What is Node.js, what is Express.js, and how is it used? How will you run a server using Express? Explain about joins. 6) Do you have any questions you want to ask about the company?