Q1. What are microservices compared with a monolith?
A microservice architecture structures an application as a set of small, independently deployable services, each built around a business capability, owning its own data s...
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Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (16 available).
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Q2. What is an API gateway and what does it do?
An API gateway is the single entry point for clients, sitting in front of backend services. It typically handles: - Request routing to the correct service. - Authenticati...
Q3. What are the main differences between the App Router and the Pages Router?
The Pages Router uses files under pages/. Each file exports a default component, data comes from getStaticProps, getServerSideProps or getStaticPaths, and _app and _docum...
Q4. How does binary search work and what are its pitfalls?
Binary search finds a target in a sorted array by halving the search range each step, giving O(log n). ```python def binary_search(nums, target): lo, hi = 0, len(nums) - ...
Q5. Walk me through how you run product discovery.
Discovery is how we reduce risk before committing to build. I treat it as continuous, not a phase. I start with the problem and the target customer, and I review existing...
Q6. Why do you want to work here?
Show that you have done homework and connect it to your goals. A strong answer has three parts: 1. Something specific about the company: product, engineering culture, rec...
Q7. Explain ARC and how retain cycles happen.
Swift uses Automatic Reference Counting: each class instance has a reference count and is deallocated when the count reaches zero. ARC is deterministic, unlike a tracing ...
Q8. How does CSS specificity work and how do you resolve conflicts?
Specificity ranks selectors as (inline, IDs, classes/attributes/pseudo-classes, elements/pseudo-elements). Higher wins; equal specificity falls back to source order (late...
Q9. When should you use @apply and when should you avoid it?
@apply inlines utility classes into a CSS rule, letting you write component classes while reusing Tailwind's design tokens. ```css .btn { @apply inline-flex items-center ...
Q10. What is the difference between standalone components and NgModules?
Traditional Angular organises components, directives and pipes into NgModules that declare what belongs together and import other modules. Standalone components skip that...