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Here's how you can address underperforming mobile apps during an interview.

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When you're in the hot seat during an interview, discussing a mobile app's performance can be a delicate topic. It's essential to approach the subject with a blend of honesty, technical understanding, and forward-thinking solutions. Whether you're a developer, product manager, or part of a quality assurance team, your ability to diagnose and propose remedies for an underperforming app can set you apart. You'll need to convey your technical expertise while also demonstrating problem-solving skills and a commitment to continuous improvement.

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Akarsh Middha ????

Mobile | Backend | Salesforce | Shopify | AI | ML | Web3 | CRM | Blockchain
Ketan Salvi

Senior Software Engineer @Choira | React, Node.js, Python | Architecting Scalable Solutions

1 Identify Issues

When discussing an underperforming app, start by identifying the issues clearly. Explain how you use analytics tools to pinpoint areas of concern, such as user drop-off points or features with low engagement. Demonstrate your analytical skills by describing how you interpret data patterns and user feedback to understand the root causes of performance problems. This shows that you're adept at using objective measures to assess an app's performance rather than relying solely on subjective opinions.

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Akarsh Middha ????

Mobile | Backend | Salesforce | Shopify | AI | ML | Web3 | CRM | Blockchain
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Analytics Tool always help you get user behaviour and you can make dicision for improvement. So many tools available in the market, you can use any of them. Few tools which we follow for better growth app - Google Analytics - Clarity ( Microsoft ) - MixPanel - CleverTap Add Crash Analytics from Day 1 to improvise you app from crashes!

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Ketan Salvi

Senior Software Engineer @Choira | React, Node.js, Python | Architecting Scalable Solutions
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In our choira app, I've utilized tools like Google Analytics and Firebase Crashlytics and Event Tracking to track user behavior and app stability. By analyzing user flow and crash reports, I was able to identify that a significant number of users were abandoning the app during the registration process. Further investigation revealed that the form fields were too cumbersome on mobile devices, leading to frustration and drop-offs.

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2 Optimize UX

The user experience (UX) is paramount for any mobile app's success. In the interview, talk about how you evaluate and improve UX to boost app performance. Discuss methods like A/B testing different interfaces or conducting user surveys to gather insights. Emphasize your commitment to creating an intuitive and enjoyable user experience, which can lead to increased user retention and better app reviews, ultimately improving the app's performance.

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Ketan Salvi

Senior Software Engineer @Choira | React, Node.js, Python | Architecting Scalable Solutions
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At Choira, I've conducted A/B testing to compare different versions of the app's home screen. By measuring user engagement and satisfaction through surveys and in-app behavior mostly in authentication flow, I was able to determine that a cleaner design with fewer options per screen led to a 20% increase in user retention.

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3 Code Quality

Code quality directly impacts an app's performance, so discuss your strategies for writing clean, efficient code. Mention practices like code reviews, refactoring, and using profiling tools to identify bottlenecks. Explain the importance of maintaining a well-organized codebase and how it contributes to easier updates and faster bug fixes, which are essential for keeping an app performing well in a competitive market.

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Ketan Salvi

Senior Software Engineer @Choira | React, Node.js, Python | Architecting Scalable Solutions
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At my current organization at choira, we've implemented a rigorous code review process where every piece of code was reviewed by at least two peers(Me and My Teammate) before being merged. This practice, combined with regular use of automated testing frameworks like Jest, helped us reduce bugs and improve the app's stability significantly.

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4 Update Regularly

Highlight the significance of regular updates in keeping an app performing well. Discuss how you stay abreast of the latest operating system updates and device specifications to ensure compatibility. Talk about implementing new features in response to user demand and how you prioritize updates based on user feedback and analytics. This illustrates your proactive approach to app maintenance and your understanding of the mobile ecosystem's dynamic nature.

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Ketan Salvi

Senior Software Engineer @Choira | React, Node.js, Python | Architecting Scalable Solutions
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we set up a CI/CD pipeline using Githubs Actions, allowing us to deploy updates swiftly and reliably. This setup enabled us to push weekly updates, addressing critical bugs and introducing incremental feature enhancements based on user feedback.

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5 Monitor Health

Explain the importance of continuous monitoring for maintaining app health. Describe how you use various monitoring tools to track app performance in real-time, such as crash analytics or resource usage statistics. Discuss how this data helps you quickly address issues before they affect a significant number of users, showcasing your dedication to providing a stable and reliable app experience.

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Ketan Salvi

Senior Software Engineer @Choira | React, Node.js, Python | Architecting Scalable Solutions
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In my last role, I set up a monitoring system using New Relic, which provided real-time insights into server performance and user interactions. This proactive approach allowed us to detect and resolve issues like memory leaks and slow response times before they significantly impacted the user experience.

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6 Plan Improvements

Finally, discuss how you plan for long-term improvements. Talk about setting performance goals and creating a roadmap for future enhancements. Explain how you balance immediate fixes with strategic long-term development, ensuring the app not only recovers from underperformance but also thrives in the future. This demonstrates your vision for growth and your ability to plan effectively for an app's success.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Here's how you can address underperforming mobile apps during an interview.

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1 Identify Issues

2 Optimize UX

3 Code Quality

4 Update Regularly

5 Monitor Health

6 Plan Improvements

7 Here’s what else to consider

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