Who is this Full Stack Developer interview plan for?

It is written for the interviewer, not the candidate: the hiring manager, engineer or panel member running the Technical Interview round for a Full Stack Developer role. It gives you a 60 min script to follow in the conversation — 10 questions with what each one is for and the signals to score against — so you are not writing the round from scratch the night before.

What does the Technical Interview round assess?

This round is focused on: Web Technologies, Frameworks, RESTful APIs, Database Integration, Security Best Practices. It works through Introduction, Web Technologies and Frameworks, RESTful APIs and Database Integration, Security Best Practices and Problem-solving, Collaboration and Time Management and Closing, scoring against 66 observable signals, with follow-up prompts on all 10 questions for going deeper where an answer is thin.

How is the 60 min split up?

Introduction (5 min), Web Technologies and Frameworks (15 min), RESTful APIs and Database Integration (15 min), Security Best Practices and Problem-solving (15 min), Collaboration and Time Management (10 min), Closing (5 min). The timings are there so the round stays on schedule and every candidate gets the same shape of interview — which is what makes two candidates comparable afterwards.

What other rounds should I run for a Full Stack Developer?

A single round does not cover a whole role. The other rounds in this library for a Full Stack Developer are Behavioral Interview, Coding Test, Problem-solving Test and System Design Interview. Each is a separate plan you can use as it is.

Interview plan template

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Full Stack Developer interview questionsTechnical Interview round

A 60 min interview plan with a time-boxed script, what each question is for, and the signals to score against. Key skills: Web Technologies, Frameworks, RESTful APIs, Database Integration, Security Best Practices.

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Introduction

5 min

•

Hi, I’m [YOUR_NAME], and I’m a [YOUR_TITLE] at [COMPANY_NAME]. I’m excited to learn more about your technical experience today.

•

Could you briefly introduce yourself and share what attracted you to apply for this position?

What this question is for, and what to listen for

Purpose

Assess communication skills, alignment with the role, and initial confidence.

Signals to score

Clear introduction provided
Relevant experience mentioned
Motivations for applying explained
Alignment with team values
Specific skills highlighted
Response is concise and organized
Understanding of role requirements

Follow-up questions

What excites you most about this position?
How does your background align with our team’s work?
What specific skills do you bring to this role?

•

Great, thank you for sharing! In the next 50 minutes, we’ll dive into some technical questions to understand your expertise better. After that, you can ask any questions you have about the role or the company.

Web Technologies and Frameworks

15 min

•

Can you explain the difference between client-side and server-side rendering?

What this question is for, and what to listen for

Purpose

Evaluate understanding of rendering techniques.

Signals to score

Correct differentiation made
Examples provided
Understanding of performance impact
Mention of SEO implications
Explanation of use cases
Clarity in explanation
Knowledge of frameworks

Follow-up questions

What are some advantages of client-side rendering?
How does server-side rendering affect SEO?
Can you give an example of a framework that supports each?

•

What are some popular JavaScript frameworks you have used, and what are their advantages?

What this question is for, and what to listen for

Purpose

Assess familiarity with JavaScript frameworks.

Signals to score

Mention of popular frameworks
Explanation of advantages
Personal experience shared
Comparison of frameworks
Understanding of use cases
Clarity in explanation
Knowledge of ecosystem

Follow-up questions

Which framework do you prefer and why?
What are some challenges you faced with these frameworks?
How do these frameworks handle state management?

RESTful APIs and Database Integration

15 min

•

How do you design a RESTful API, and what are some best practices?

What this question is for, and what to listen for

Purpose

Assess knowledge of RESTful API design.

Signals to score

Understanding of REST principles
Mention of HTTP methods
Explanation of resource naming
Use of status codes
Security considerations
Documentation importance
Versioning practices

Follow-up questions

What HTTP methods are commonly used in RESTful APIs?
How do you handle errors in a RESTful API?
Can you explain the importance of versioning?

•

Describe your experience with database integration in web applications.

What this question is for, and what to listen for

Purpose

Assess experience with databases.

Signals to score

Mention of database types
Explanation of integration process
Understanding of ORM tools
Experience with SQL/NoSQL
Performance considerations
Security practices
Personal project examples

Follow-up questions

What databases have you worked with?
How do you ensure data security?
Can you explain the role of an ORM?

Security Best Practices and Problem-solving

15 min

•

What are some common security vulnerabilities in web applications, and how do you mitigate them?

What this question is for, and what to listen for

Purpose

Evaluate understanding of web security.

Signals to score

Mention of common vulnerabilities
Explanation of mitigation techniques
Understanding of OWASP
Experience with security tools
Importance of secure coding
Awareness of current threats
Personal experience shared

Follow-up questions

What is SQL injection and how do you prevent it?
How do you handle cross-site scripting?
Can you explain the importance of HTTPS?

•

Describe a challenging technical problem you faced and how you solved it.

What this question is for, and what to listen for

Purpose

Assess problem-solving skills.

Signals to score

Clear problem description
Logical approach to solving
Use of technical skills
Collaboration with team
Learning from experience
Positive outcome achieved
Reflection on process

Follow-up questions

What was the problem and its impact?
How did you approach solving it?
What was the outcome?

Collaboration and Time Management

10 min

•

How do you prioritize tasks when working on multiple projects?

What this question is for, and what to listen for

Purpose

Assess time management skills.

Signals to score

Clear prioritization strategy
Use of tools or methods
Understanding of deadlines
Communication with team
Flexibility in approach
Experience with multitasking
Personal example shared

Follow-up questions

What tools do you use to manage tasks?
How do you handle tight deadlines?
Can you give an example of prioritizing tasks?

•

Describe a time when you had to collaborate with a team to complete a project.

What this question is for, and what to listen for

Purpose

Assess collaboration skills.

Signals to score

Clear description of project
Role in the team explained
Communication with team
Challenges faced
Positive outcome achieved
Reflection on teamwork
Personal growth mentioned

Follow-up questions

What was your role in the team?
How did you handle disagreements?
What was the outcome of the project?

Closing

5 min

•

Do you have any questions for me about the team or the company?

What this question is for, and what to listen for

Purpose

Gauge the candidate’s curiosity and interest in the role.

Signals to score

Thoughtful questions asked
Interest in company culture
Curiosity about growth expressed
Questions about role raised
Inquiries about team challenges
Engagement with responses shown
Desire to learn next steps

Follow-up questions

What interests you most about this team?
Are there any areas of the role you’d like to explore further?
What are the next steps in the interview process?

•

Thank you for your time today. We’ll be in touch soon regarding the next steps.

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Interview Template

Position

Full Stack Developer

Round

Technical Interview for 60 min

Key skills

Web Technologies, Frameworks, RESTful APIs, Database Integration, Security Best Practices

Full Stack Developer interviews — common questions

Who is this Full Stack Developer interview plan for?: It is written for the interviewer, not the candidate: the hiring manager, engineer or panel member running the Technical Interview round for a Full Stack Developer role. It gives you a 60 min script to follow in the conversation — 10 questions with what each one is for and the signals to score against — so you are not writing the round from scratch the night before.
What does the Technical Interview round assess?: This round is focused on: Web Technologies, Frameworks, RESTful APIs, Database Integration, Security Best Practices. It works through Introduction, Web Technologies and Frameworks, RESTful APIs and Database Integration, Security Best Practices and Problem-solving, Collaboration and Time Management and Closing, scoring against 66 observable signals, with follow-up prompts on all 10 questions for going deeper where an answer is thin.
How is the 60 min split up?: Introduction (5 min), Web Technologies and Frameworks (15 min), RESTful APIs and Database Integration (15 min), Security Best Practices and Problem-solving (15 min), Collaboration and Time Management (10 min), Closing (5 min). The timings are there so the round stays on schedule and every candidate gets the same shape of interview — which is what makes two candidates comparable afterwards.
What other rounds should I run for a Full Stack Developer?: A single round does not cover a whole role. The other rounds in this library for a Full Stack Developer:
Behavioral Interview
Coding Test
Problem-solving Test
System Design Interview