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Secure Government

Messenger

A mobile communication solution was developed to enable secure, encrypted messaging for sensitive internal communication within enterprises and public sector institutions.
Industry: IT Security
Project Duration: [e.g. 9 months]
Client: Government Agency
Location: Germany + Remote
Project Overview
A mobile communication solution was developed to enable secure, encrypted messaging for sensitive internal communication within enterprises and public sector institutions. The application was specifically designed for use on BlackBerry smartphones, with a strong focus on security, performance, and usability.
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Client Chanlanges And Our Solutions
Key Challenges
Stringent data protection and security requirements for government communication
Limited system resources and strict API constraints on BlackBerry OS
Ensuring user-friendly interface within a high-security environment
Platform-specific development under secure coding standards
Solutions Delivered
Development of the native mobile application for BlackBerry devices
Implementation of an encrypted communication protocol
Design and development of the user interface using QML
Security-focused handling of message transport and device authentication
Outcomes
Stable and secure messaging platform for critical mobile communication
Intuitive user interface despite underlying encryption and security layers
Seamless integration with BlackBerry infrastructure
Full compliance with secure software development and data handling requirements
Benefits For The Client
Data Security
End-to-end encrypted communication for sensitive environments
Device Optimization
Full compatibility with existing BlackBerry infrastructure
User Acceptance
Clean UI design helped drive adoption despite strict constraints
High Performance
Efficient and lean implementation using C++ / Qt
Regulatory Compliance
Fulfilled governmental IT security standards
Role & Responsibilities
Development of the application for BlackBerry smartphones
Implementation of secure communication protocols
UI/UX design using QML with a focus on security and usability
Performance tuning and secure coding
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Our Cases
The following case studies reflect our experience in delivering complex software and data solutions under regulated industry standards.

The methods shown here now form the basis of our structured delivery model for UK digital transformation — with a focus on transparency, scalability, and approval-readiness.
Autonomous Driving & Test Strategy
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As part of a FinTech initiative, a high-performance trading platform for foreign exchange options (FX options) was developed.The goal was to deliver a multi-device, user-friendly solution including real-time pricing, order execution, and integrated risk management tools.
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Secure Government Messenger
A mobile communication solution was developed to enable secure, encrypted messaging for sensitive internal communication within enterprises and public sector institutions.The application was specifically designed for use on BlackBerry smartphones.
See case
Test Management &
Supplier Coordination
A safety-critical control unit required full end-to-end validation from concept phase to start of production (SOP). International Tier-1 suppliers had to be assessed, integrated into the project environment, and continuously supported in meeting OEM quality standards.
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Camera-Based Object Detection & Lane Tracking
As part of an R&D initiative to advance driver assistance technologies, two camera-based modules were developed: a real-time capable algorithm for detecting and tracking moving objects, and an enhanced lane tracking system for more accurate lane recognition and maintenance.
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Autonomous Driving & Test Strategy
In the context of next-generation driver assistance systems and autonomous vehicle functions, a cross-functional testing strategy was required to ensure compliance with both safety-critical standards and internal quality benchmarks.
See case
Disclaimer
The projects shown were delivered under our German sister company Zaretskiy Consulting GmbH. The same leadership and delivery principles now guide STPM Consulting and Engineering Ltd’s work in the UK – applying proven methods to new project contexts.
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