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Interview · Web Developer

Web Developer interview questions, with what they test.

13 questions built from what the job actually involves: its core duties, the skills rated most important and the tools in use. Switch on practice mode to rehearse before you look.

13 questions · practice mode
Updated Oct 24, 2026 · Data: O*NET 31.0
Quick answer

Web Developer interviews test whether you can do the core work, such as write supporting code for Web applications or Web sites, and the skills rated most important for the role: programming, critical thinking and complex problem solving (O*NET). Prepare one true, specific story for each, with a result.

Had it 0Practise 0Practice mode
Q01Walk me through how you write supporting code for Web applications or Web sites.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for web developers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you develop databases that support Web applications and Web sites?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Atlassian JIRA
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q02Walk me through how you design, build, or maintain Web sites, using authoring or scripting languages, content creation tools, management tools, and digital media.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for web developers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you perform Web site tests according to planned schedules, or after any…?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Docker
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q03Walk me through how you back up files from Web sites to local directories for instant recovery in case of problems.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for web developers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you perform or direct Web site updates?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Git
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q04Walk me through how you select programming languages, design tools, or applications.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for web developers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you maintain understanding of current Web technologies or programming…?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used GitHub
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q05Walk me through how you evaluate code to ensure that it is valid, is properly structured, meets industry standards, and is compatible with browsers, devices, or operating systems.Core duty
What they are really testing

Hands-on experience with one of the duties workers rate most important for web developers, and the judgment calls inside it.

Likely follow-ups
  • How does this connect to how you analyze user needs to determine technical requirements?
  • What went wrong the last time, and what did you change?
Answer approach
  1. Step 1Where you did it, how often and for whom
  2. Step 2Your steps in order, including how you used Jenkins CI
  3. Step 3One judgment call you made, and why
  4. Step 4The result, with a number you can defend
Q06Tell me about a piece of code you are proud of and why.Programming
What they are really testing

Code quality, reasoning and ownership. Programming is rated 4.1 of 5 for this job, +2.5 against the average occupation (O*NET).

Answer approach
  1. Step 1What it did
  2. Step 2A key decision
  3. Step 3How you tested it
  4. Step 4Pick the example from the core work, for instance when you had to write supporting code for Web applications or Web sites
Q07Tell me about a time you worked out what a process or tool needed to do before changing it.Operations Analysis
What they are really testing

Analysing requirements before acting. Operations Analysis is rated 3.6 of 5 for this job, +1.6 against the average occupation (O*NET).

Answer approach
  1. Step 1What needed to change
  2. Step 2How you gathered the requirements
  3. Step 3What you recommended
  4. Step 4Pick the example from the core work, for instance when you had to design, build, or maintain Web sites, using authoring or scripting languages…
Q08Describe something you designed or adapted to meet a specific need.Technology Design
What they are really testing

Designing to requirements, with trade-offs. Technology Design is rated 2.5 of 5 for this job, +0.8 against the average occupation (O*NET).

Answer approach
  1. Step 1The need
  2. Step 2Your design
  3. Step 3The trade-offs
  4. Step 4Pick the example from the core work, for instance when you had to back up files from Web sites to local directories for instant recovery in case…
Q09Describe a time you worked out how a change in one part of a system would affect the rest.Systems Analysis
What they are really testing

Understanding how parts interact. Systems Analysis is rated 3.1 of 5 for this job, +0.4 against the average occupation (O*NET).

Answer approach
  1. Step 1The system
  2. Step 2The change
  3. Step 3The effects you predicted
  4. Step 4Pick the example from the core work, for instance when you had to select programming languages, design tools, or applications
Q10Walk me through the hardest problem you solved in this kind of work.Complex Problem Solving
What they are really testing

Structured thinking on problems with no single obvious answer. Complex Problem Solving is rated 3.6 of 5 for this job, +0.4 against the average occupation (O*NET).

Answer approach
  1. Step 1Why it was hard
  2. Step 2How you broke it down
  3. Step 3The options you weighed
  4. Step 4Pick the example from the core work, for instance when you had to evaluate code to ensure that it is valid, is properly structured, meets…
Q11Which of these have you used: Atlassian JIRA, Docker, Git? Tell me about a recent piece of work with one of them.Tools
What they are really testing

Real, recent use of the tools web developers depend on, not a list of names.

Likely follow-ups
  • How would you get up to speed on MySQL if you haven't used it?
Answer approach
  1. Step 1Name the tool and the task, e.g. Atlassian JIRA for write supporting code for Web applications or Web sites
  2. Step 2What you did with it
  3. Step 3A problem you solved with it
  4. Step 4What the output was used for
Q12This job runs on deadlines. Tell me about the tightest one you have met.Working conditions
What they are really testing

Composure and quality when time is short. Workers rate this 4.0 of 5 in the job's work context (O*NET).

Answer approach
  1. Step 1A specific example from your work as a Web Developer or similar
  2. Step 2What was at stake
  3. Step 3What you did
  4. Step 4The outcome
Q13Why do you want to work as a Web Developer?Motivation
What they are really testing

Whether you understand what the job really involves, and whether that is what you want.

Answer approach
  1. Step 1Name the part of the work you like: e.g. write supporting code for Web applications or Web sites
  2. Step 2Evidence you have done it or something close
  3. Step 3Why this employer
  4. Step 4Where you want to grow

Data Duty, skill, tool and conditions questions are built from O*NET data for this occupation. Advice Answer approaches are our coaching advice.

Answer framework

Two structures that work

SSituationOne sentence of context.
TTaskWhat you owned.
AActionWhat you did, in your words.
RResultWhat changed, with a number if true.
Questions to ask them

End the interview well

Advice

  • What does a strong first 90 days look like for this web developer role?
  • Which part of the work takes the most time in a typical week?
  • How is performance measured here?
  • What tools and systems does the team use?
FAQ

Common questions

What are common Web Developer interview questions?
Expect questions about the core duties (write supporting code for Web applications or Web sites), about programming and critical thinking, and about the tools you have used. This page lists 13 with what each one tests.
How should I answer behavioral questions?
Use a short structure such as Situation, Task, Action, Result, and end with a specific, true result.
Method

How this page is built

Questions are generated from O*NET 31.0 data for the occupation: its core tasks, the skills with the highest importance ratings, the tools reported, and work-context ratings. The interviewer intent and answer approach are TryHired coaching advice.

What this page can't tell you
  • What a specific employer will ask.
  • Technical tests or licensing exams for the role.
Sources
  1. O*NET 31.0 Database, U.S. Department of Labor, Employment and Training Administration (USDOL/ETA), used under the CC BY 4.0 license. TryHired selected, ranked and combined the data; O*NET is not responsible for these pages.
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