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Airwallex·Software Engineer·Technical Phone Screen·Intermediate

Intermediate
May 2026

Summary

Interviewed for a software engineer role at Airwallex and the main thing was a resume walkthrough where they basically wanted to go deep on anything you brought up. Be careful what you mention because they will follow up on all of it.

Questions Asked (1)

Q1

Walk me through your resume, focusing on your most impactful projects, what you personally did, the technical decisions involved, and what the results were.

Technical Trade-offsSystem Design
Author's notes

This sounds easy until you realize they're using it as a launchpad for follow-ups on every single thing you mention.

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AI HintsAI Generated

Suggested Approach

Structure your answer as a concise narrative that highlights 2-3 impactful projects, emphasizing your specific contributions, the technical decisions you made, and the measurable results. Tailor each project to demonstrate skills relevant to Airwallex, such as scalability, reliability, and cross-border payments. Keep the response focused and avoid listing every job; instead, connect the dots to show career growth and impact.

Pro tip: Quantify results whenever possible (e.g., 'reduced latency by 40%') and briefly mention trade-offs you considered, as this shows engineering maturity and aligns with Airwallex's emphasis on technical trade-offs and system design.

1. Set the Stage

Briefly introduce your career trajectory in 1-2 sentences, highlighting the roles and domains most relevant to this position.

2. Select Impactful Projects

Choose 2-3 projects that showcase your technical depth, problem-solving, and alignment with the company's focus areas like payments or distributed systems.

3. Detail Your Contribution

For each project, clearly state your specific role, the technical decisions you made, and the trade-offs you evaluated.

4. Highlight Results and Learnings

Quantify the outcomes (e.g., performance improvements, cost savings) and mention what you learned or how you grew.

5. Connect to the Role

Conclude by linking your experiences to the challenges and technologies at Airwallex, showing enthusiasm for the opportunity.

Key Points to Mention

  • Specific technical decisions and trade-offs (e.g., choosing between SQL vs NoSQL, microservices vs monolith)
  • Quantifiable results (e.g., reduced latency by X%, increased throughput by Y%)
  • Scalability and reliability considerations, especially for high-volume transaction systems
  • Collaboration with cross-functional teams (e.g., product, compliance) to deliver solutions
  • Experience with relevant technologies (e.g., Java, Kotlin, AWS, Kafka, distributed systems)
  • Lessons learned and how you applied them to future projects

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