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About AceSpeak AceSpeak is an AI-powered interview and public-speaking coach for iOS and Android. It helps users practise interviews and presentations through structured feedback. AceSpeak is a product brand operated by Wistkey. The role Build and improve AceSpeak's native iOS and Android app experience. You will work on recording, playback, user feedback and progress-tracking features while helping turn an early MVP into a reliable, well-structured product. Responsibilities • Develop native app features for iOS and Android • Improve recording, playback and clip-review flows • Ship app updates with strong stability and performance • Collaborate with product, design, backend and AI teams • Support App Store and Google Play release processes • Help establish maintainable engineering practices as the product grows What we are looking for • 5+ years in mobile engineering • Strong native iOS or Android development experience, with willingness to work across both platforms • Experience shipping and maintaining production mobile apps • Solid API integration, debugging, testing and performance skills • A pragmatic, product-minded approach • Good written English and strong collaboration skills Nice to have • Audio or video capture and playback experience • Flutter or React Native experience alongside native development • Subscription, analytics or mobile accessibility experience • Experience helping an MVP mature into a structured product AceSpeak candidate exercise All applicants are required to complete this AceSpeak practice exercise and achieve a total AceSpeak score above 3,000 before submitting an application. 1. Download AceSpeak: iOS https://apps.apple.com/gb/app/acespeak-interview-coach/id6790070385 | Android https://play.google.com/store/apps/details?id=com.acespeak.acespeak 2. DM @acespeak.uk on Instagram (https://www.instagram.com/acespeak.uk/) with the role title to request a complimentary analysis token. The token is issued privately; do not purchase a subscription or share it. 3. Record a 90-second to 2-minute response to: “Describe a product or project you helped improve and what you learned.” 4. Practise and re-record until your total AceSpeak score is above 3,000. 5. Include a screenshot showing your score and display name with your application. Please do not send the recording. The score is one part of a human-reviewed application process and is not used as the sole hiring criterion. If you cannot use Instagram, the app or the scoring format, need another token, or need a reasonable adjustment, email hello@acespeak.uk and we will arrange complimentary access or an equivalent alternative exercise. Location and package Full-time hybrid role based on Hong Kong Island. HK$40,000–HK$60,000 per month, depending on experience. How to apply Email hello@acespeak.uk with your CV and a brief note about a mobile app you shipped. Full details: https://acespeak.uk/careers/senior-mobile-engineer-hk/ Explore AceSpeak careers: https://acespeak.uk/careers/
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.