Case study

Messenger App Development: Supporting 280% User Growth for DefTalk

2500K: investments were attracted
3: months to stabilize the product
92%: reduced AWS infrastructure costs

ABOUT THE CLIENT

DefTalk is a secure messaging application designed to facilitate private and reliable communication through features such as media sharing, voice messages, animated stickers, and audio calls.

Challenge

DefTalk required urgent technical intervention to stabilize a volatile backend and optimize an expensive, underperforming infrastructure before a critical market launch. The primary challenge was to perform a comprehensive server stabilization and implement a CI/CD pipeline to accelerate deployment cycles while radically reducing operational burn rates to ensure long-term commercial viability.

Industry: DeFi
Location: Ukraine
Cooperation Period: 2023

Deeper Look

OmiSoft’s Solution

Mobile App and Server Stabilization

We conducted a full technical review and optimization of DefTalk’s mobile applications and backend servers. Our team restructured the codebase, resolved critical bugs, and improved system stability to ensure consistent performance across all platforms.

CI/CD Pipeline Implementation

We implemented a continuous integration and deployment (CI/CD) pipeline, enabling faster and more reliable development cycles. This automation streamlined deployment processes and minimized the risk of human error during updates.

MVP Architecture Execution

Applied an MVP architecture pattern to improve scalability and maintainability. This architectural approach supported future upgrades and facilitated a more modular, testable codebase.

Comprehensive Testing Coverage

Developed and executed a full suite of unit, integration, and smoke regression test cases. This ensured that all core functionalities worked as intended and reduced the risk of defects in production.

Performance Monitoring Integration

Integrated tools such as Crashlytics, Firebase Performance Monitoring, and Fabric Logger to provide detailed analytics and crash reports. These tools enabled real-time performance tracking and rapid issue resolution.

Messenger App Development

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Tech Stack used

Cross-platform Technologies Used

Java
WebRTC audio calling
Native iOS development
Native Android development

Industries we work in

Business Results

OmiSoft’s expertise and strategic support produced outstanding commercial outcomes for our client. Our experts were critical in getting the DefTalk chat software ready to meet the market.
Our outstaff services resulted in:
A market-ready app launched on time.
$2,500,000 investment attracted: The competitive messenger and application readiness attracted a substantial investment.
280% + increase in simultaneous users.
Reduced AWS costs by 92%, improving profitability.
These excellent results highlight OmiSoft’s solid value, allowing the client to develop a ready-to-launch product, attract substantial investment, enhance user capacity, and manage operating expenses for long-term success.