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Expedia·Software Engineer·Technical Phone Screen·Intermediate

Intermediate
May 2026

Summary

Expedia software engineer interview focused almost entirely on how I use AI coding tools day to day. Less of a technical screen and more of a conversation about habits, workflows, and risk awareness. Felt more like a product feedback session than an interview, which was a weird vibe.

Questions Asked (6)

Q1

Do you use AI coding assistants at work, and if so, what kinds of tasks do you use them for and how frequently?

Technical Trade-offsAdaptability & Ambiguity
Author's notes

Pretty open-ended opener.

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AI HintsAI Generated

Suggested Approach

Be honest and specific about your AI tool usage, framing it as a productivity enhancer rather than a crutch. Emphasize how you use AI to handle routine tasks so you can focus on complex problem-solving, and mention any safeguards you apply to ensure code quality.

Pro tip: Show that you treat AI as a junior collaborator: you review its output critically, test thoroughly, and never blindly trust it. This demonstrates maturity and aligns with Expedia's emphasis on technical trade-offs and adaptability.

1. State your usage clearly

Begin by confirming whether you use AI coding assistants, and if so, which ones (e.g., GitHub Copilot, ChatGPT). Be transparent about frequency—daily, weekly, or occasionally.

2. Describe typical tasks

List specific tasks where AI adds value, such as writing boilerplate code, generating unit tests, debugging, or learning new APIs. Avoid vague statements like 'I use it for everything.'

3. Explain your workflow integration

Detail how AI fits into your development process: when you invoke it, how you validate its suggestions, and how you ensure it doesn't introduce security or performance issues.

4. Highlight benefits and limitations

Discuss the productivity gains you've experienced, but also acknowledge limitations—e.g., AI may produce incorrect or insecure code, so human oversight is essential.

5. Connect to company values

Tie your answer to Expedia's context: how AI helps you deliver faster, experiment more, and adapt to changing requirements, while maintaining high standards for code quality.

Key Points to Mention

  • Specific AI tools used (e.g., GitHub Copilot, ChatGPT, Tabnine) and frequency of use
  • Tasks where AI excels: boilerplate code, unit tests, documentation, debugging, code reviews
  • Tasks where AI is less useful: complex architectural decisions, novel algorithms, business logic
  • Quality assurance practices: code review, testing, security scanning of AI-generated code
  • Productivity impact: time saved, faster onboarding, reduced context switching
  • Ethical and security considerations: avoiding sensitive data in prompts, license compliance

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.

Q2

Walk me through your typical workflow when using an AI coding tool, from writing a prompt to getting code into a pull request.

Technical Trade-offsAgile / Sprint Management
Author's notes

This one I actually felt decent about.

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AI HintsAI Generated

Suggested Approach

Structure your answer as a clear, repeatable workflow that balances AI speed with human oversight. Emphasize how you validate AI-generated code, integrate it into your team's development process, and maintain quality standards. Tailor the workflow to Expedia's context by mentioning collaboration, code reviews, and agile practices.

Pro tip: Highlight that you treat AI as a junior pair programmer: you give it clear context, review its output critically, and never merge without thorough testing. This shows maturity and mitigates risks like hallucinations or security flaws.

1. Craft a precise prompt

Start by defining the problem, constraints, and expected output format. Provide relevant code snippets, error messages, or documentation to give the AI sufficient context.

2. Review and iterate on AI output

Critically evaluate the generated code for correctness, edge cases, and style. Refine the prompt or manually adjust the code as needed, treating the AI as a starting point.

3. Test locally and integrate

Run unit tests, integration tests, and linters to ensure the code works within your local environment. Fix any issues before committing.

4. Commit and create a pull request

Write a clear commit message explaining the change and its AI-assisted origin if relevant. Open a PR, ensuring it follows team conventions and includes a description of testing done.

5. Collaborate in code review

Engage with reviewers, address feedback, and ensure the final code meets quality gates. Use the review as a learning opportunity to improve future AI interactions.

Key Points to Mention

  • Prompt engineering techniques: providing context, examples, and constraints
  • Validation steps: unit tests, integration tests, static analysis, and manual review
  • Security and compliance considerations: avoiding sensitive data in prompts, checking for vulnerabilities
  • Version control practices: branching, commit hygiene, and PR descriptions
  • Team collaboration: code reviews, knowledge sharing, and aligning with agile ceremonies
  • Continuous improvement: reflecting on AI suggestions to enhance future prompts and code quality

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.

Q3

What concrete benefits have you seen from using AI coding tools, whether around speed, code quality, learning, or something else?

Technical Trade-offsAdaptability & Ambiguity
Author's notes

Said productivity and onboarding ramp.

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AI HintsAI Generated

Suggested Approach

Choose one or two specific, measurable examples where AI coding tools made a real difference in your work, and structure each as a mini-story (situation, tool, outcome). Balance the benefits with honest trade-offs to show you evaluate tools critically rather than hype them.

Pro tip: Quantify the impact where possible (e.g., 'cut boilerplate time by 40%') and mention a case where AI output needed significant correction—this shows you use these tools with judgment, not blind trust.

1. Pick a concrete scenario

Select a specific project or task where you used an AI coding tool (e.g., Copilot, ChatGPT, Cursor) and can describe the before-and-after clearly.

2. Name the benefit category

State which dimension the benefit falls under—speed, code quality, learning, or collaboration—so your answer stays focused and easy to follow.

3. Show the measurable outcome

Describe the tangible result: time saved, bugs caught, tests generated, or a concept you learned faster, ideally with a rough metric.

4. Acknowledge the trade-off

Mention a limitation or risk you navigated (e.g., hallucinated APIs, over-reliance, security concerns) and how you mitigated it.

5. Connect to the role

Tie the benefit back to how it would help you contribute at Expedia—faster iteration on travel features, better code reviews, or scaling with a large codebase.

Key Points to Mention

  • Specific AI tools used (e.g., GitHub Copilot, ChatGPT, Cursor) and the context (e.g., writing tests, refactoring, learning a new framework)
  • Quantified or concrete outcomes (e.g., reduced boilerplate time, faster onboarding, fewer syntax errors)
  • Improved code quality through AI-assisted review, test generation, or documentation
  • Accelerated learning of unfamiliar APIs, languages, or domain concepts
  • Awareness of limitations: hallucinated code, security/privacy concerns, need for human review
  • How you integrate AI into your workflow responsibly, including when not to use it

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.

Q4

What risks do you actively watch for when working with AI-generated code, things like hallucinations, security issues, IP concerns, or over-reliance?

Technical Trade-offsSystem Design
Author's notes

The question listed so many categories that I just tried to hit all of them, which meant I went surface-level on each.

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AI HintsAI Generated

Suggested Approach

Acknowledge the value of AI-generated code while emphasizing a risk-aware mindset. Structure your answer around the main risk categories (hallucinations, security, IP, over-reliance) and explain how you mitigate each in practice. Tie your approach to Expedia's context by highlighting the importance of code reviews, testing, and secure development practices.

Pro tip: Emphasize that AI is a tool, not a replacement for engineering judgment—always validate generated code with tests and peer reviews. Mention that you treat AI suggestions as you would a junior developer's code: helpful but requiring scrutiny.

1. Acknowledge AI's Role

Briefly state that AI can boost productivity but introduces unique risks that require active management.

2. Identify Key Risks

List the main risks: hallucinations (incorrect or non-existent APIs), security vulnerabilities (injection flaws, insecure defaults), IP concerns (license contamination), and over-reliance (skill atrophy, blind trust).

3. Describe Mitigation Strategies

For each risk, explain concrete steps you take: e.g., verifying APIs against docs, running static analysis and security scans, checking licenses, and maintaining a 'trust but verify' approach with thorough testing.

4. Connect to Team and Process

Highlight how you integrate these practices into team workflows: code reviews, pair programming, and promoting awareness of AI limitations.

5. Summarize Balanced View

Conclude that AI is a powerful assistant when used responsibly, and that vigilance ensures its benefits outweigh the risks.

Key Points to Mention

  • Hallucinations: AI may generate code referencing non-existent libraries or APIs; always verify against official documentation.
  • Security: AI can produce vulnerable code (e.g., SQL injection, XSS); use SAST/DAST tools and manual review.
  • IP concerns: AI may suggest code with restrictive licenses; check for license compatibility and originality.
  • Over-reliance: Avoid blindly accepting AI output; maintain coding skills and critical thinking.
  • Testing: Unit, integration, and security tests are essential to validate AI-generated code.
  • Team practices: Foster a culture of code review and knowledge sharing to catch AI-related issues.

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.

Q5

How do you actually mitigate those risks in your day-to-day work rather than just being aware of them?

Technical Trade-offsAgile / Sprint Management
Author's notes

Talked about code review practices and not feeding proprietary data into external tools.

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AI HintsAI Generated

Suggested Approach

Focus on concrete, habitual actions you take in your daily engineering work, such as writing tests, using feature flags, and conducting code reviews. Emphasize how these practices are embedded in your workflow, not just theoretical awareness. Use a specific example to illustrate the impact of these mitigations.

Pro tip: Quantify the impact of your risk mitigation where possible (e.g., 'reduced production incidents by 30%') and tie it to business outcomes like reliability or speed. This shows you think like an owner, not just a coder.

1. Identify the risk

Briefly name a specific technical risk you've encountered, such as a risky deployment or a complex dependency. This sets the context for your mitigation actions.

2. Describe your routine mitigation

Explain the day-to-day practice you use to mitigate that risk, like writing automated tests, using canary releases, or conducting thorough code reviews. Be specific about how you incorporate it into your sprint work.

3. Show integration into Agile process

Detail how this mitigation fits into your team's Agile ceremonies, such as defining acceptance criteria in planning or adding monitoring tasks to the sprint backlog. This demonstrates you don't treat risk separately from delivery.

4. Highlight collaboration

Mention how you work with others (e.g., pair programming, design reviews) to ensure the mitigation is effective and shared across the team. This shows you value collective ownership.

5. Share the outcome

Conclude with the result: how did this mitigation reduce risk, improve quality, or speed up delivery? Use metrics if possible to make it tangible.

Key Points to Mention

  • Automated testing (unit, integration, end-to-end) as a daily habit
  • Feature flags and canary deployments for safe releases
  • Code reviews and pair programming for knowledge sharing and early bug detection
  • Monitoring and alerting set up proactively, not reactively
  • Incremental delivery and small batch sizes to reduce risk
  • Retrospectives to continuously improve risk mitigation processes

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.

Q6

If you could change something about AI coding tools, whether the product itself, how teams use them, or the guardrails around them, what would you improve?

Product Sense & IdeationTechnical Trade-offs
Author's notes

Caught me a little flat-footed because it's more of a product thinking question than an engineering one.

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AI HintsAI Generated

Suggested Approach

Pick one specific, well-scoped improvement that shows you understand both the technical and human sides of AI coding tools. Ground it in a real pain point you've observed or experienced, and explain the trade-offs and impact of your proposed change. Connect it to how it would benefit a team like Expedia's, balancing innovation with reliability and scale.

Pro tip: Frame your improvement as a hypothesis with measurable outcomes (e.g., 'reduce review time by X%') rather than a vague wish—this shows product thinking and engineering rigor. Also, acknowledge the counterargument to demonstrate you've considered trade-offs.

1. Identify a specific pain point

Choose one concrete issue with AI coding tools—such as lack of context awareness, poor test generation, or inconsistent code review suggestions—and briefly explain why it matters.

2. Propose a targeted improvement

Describe your change clearly: what would you modify or add? Keep it feasible and focused, whether it's a product feature, team practice, or guardrail.

3. Explain the technical and product rationale

Discuss why this improvement is valuable, including how it addresses the pain point and what technical or workflow benefits it brings.

4. Address trade-offs and risks

Acknowledge potential downsides, such as increased complexity, cost, or adoption challenges, and how you would mitigate them.

5. Connect to business impact

Tie your improvement to outcomes that matter for a company like Expedia, such as developer productivity, code quality, or faster iteration.

Key Points to Mention

  • Context awareness: AI tools often lack understanding of large codebases and domain-specific patterns, leading to irrelevant suggestions.
  • Guardrails for safe adoption: Need for automated checks, review processes, and guidelines to prevent insecure or non-compliant code.
  • Team workflows: How AI tools integrate with existing CI/CD, code review, and pair programming practices.
  • Measurable impact: Define success metrics like reduced time-to-merge, fewer bugs, or increased test coverage.
  • Trade-offs: Balance between automation and human oversight, and between speed and code quality.
  • Scalability: Ensure the improvement works across multiple teams and projects, not just a single use case.

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.