Crypto Trading Platform
seconds splash screen load time
bugs fixed in critical calculations
files migrated to SwiftUI
trades shared daily on feed
What is {Project Name}?
Aetherius partnered with a major company in the FinTech industry, running a specialized crypto trading platform.
The app’s core function is to give users a critical competitive edge: it allows them to view and buy brand-new digital tokens the moment they are launched, which is before they become available on slower, larger exchanges.
Challenges and Solutions
When we joined, the iOS codebase was unstable, built with outdated UIKit patterns, and full of bugs and performance issues. The most critical problems were inaccurate token buy/sell calculations, a high-risk issue for any trading app.
Our team stabilized the foundation first. We systematically fixed calculation bugs, improved number handling, and refactored unstable parts of the codebase. At the same time, we migrated key flows from UIKit to SwiftUI, improving maintainability, UI consistency, and performance.
They wanted users to share completed trades in a public feed. This required introducing user accounts with usernames and profile pictures, a post-trade sharing flow, and a performant feed, all inside an already fragile app.
We designed and implemented the full feature set end-to-end: user profile setup (username and avatar), post-trade flow that prompts users to share their trade and a scalable feed built with SwiftUI.
The app’s splash screen was displayed for 4-5 seconds on launch because the user’s wallet was synchronizing with the backend before allowing access. This created a poor first impression and friction at the most critical moment, app startup.
We introduced local wallet caching on the device. Instead of blocking the user while syncing with the backend, the app now loads immediately using cached data and performs synchronization later in the session.
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What Partner Said About Our Work
“ I’d always recommend Aetherius. They made our crypto trading app feel completely reliable and fast, and the team just gets things done. It’s rare to work with people who handle everything so smoothly. ”
Other Projects We’ve
Worked On
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"Working with Aleksa and his team at Aetherius has been a great pleasure! He is very understanding, especially for people like me who aren't tech savvy, makes time to work on issues that come up, and is always willing to work hard to find a solution."
"I worked with Aetherius team on an early-stage project. They were great at taking direction and executing a functional prototype of our concepts. Would love to work with his team again."
"Aetherius developers immediately identified why my app was experiencing bugs that had been a problem for over a year! After that, the number of downloads increased, and users told me it felt like they were using a completely new app. I especially appreciate their detailed reporting on the process. Their team is reliable and truly cares about the success of my app!"
"What stood out most about Aetherius was their exceptional adaptability and dynamic problem-solving approach."
"Aetherius' work achieved the correct functionality, satisfying the client's expectations, and planning to collaborate on a larger project in the future."
“We had a specific industry problem and wanted to help people solve it with a unique app. Our first plan was to test the MVP version in a couple of smaller cities in Serbia, but we didn't expect to encounter such positive reactions from users so quickly. Aetherius Solution’s team developed the first version in just 1 month with 0 bugs and issues!”
"We have had a great experience with Aetherius Solutions. Their skilled developers provided us with clear and detailed information, ensuring effective communication throughout the project. I would highly recommend them for any project you might have."
"Aetherius Solutions helped the client improve revenue and customer ratings. The team always provided content on time and took the initiative to solve things really quickly. ”
"Aetherius successfully completed the app, meeting our expectations. Moreover, the team communicated effectively and frequently via email and messaging apps, ensuring a smooth collaboration. Overall, their promptness and ability to deliver on time were hallmarks of their work."
"Aetherius Solutions team reassured us with their experience and knowledge that there are still companies that respect agreements. We successfully executed our plans, and the team followed our desires throughout, consistently working on the Salona application."
"Their team was very easy to work with, and they genuinely cared about the success of our project. They managed the project efficiently, kept us updated regularly, and always responded quickly to changes or feedback."
