Hire the Best C++ Programmers & Developers
in Vietnam

Professional Qt developer.

Hello, Thank for visiting my profile. I'm a software engineer with 8 years of experience in developing Desktop Application. I have worked on many projects in this field and got success. I am good at C/C++, Win32, MFC, Qt, C# WPF, Winform, python, Java core and proficient in Visual Studio, Eclipse, Qt Creator. I deeply understand OOP design and GoF design patterns. I am familiar with both Window and Linux. I very happy to cooperate with you. Hai Nguyen.

Experience in C/C++/C# Application: - 9+ years developing Desktop Applications/Embedded Software on Linux distributions. - Proficient in C/C++/Qt, problem solving skill, logical thinking. - Experience in Blockchain development. - Experience in Software Update. - Experience in developing IP camera and streaming solutions on Linux platform. - Experience in developing IoT for watch-over system on uT-Kernel platform. - Experience in developing Back End sever. - Experience with code refactoring techniques. - Experience with some security techniques. Experience in embedded domain: - 3+ years experiences on embedded systems(Bare-metal/RTOS) with ARM controllers from NXP like S32k, Nxp Kinetis M0/M4 microcontroller. - Experiences with different peripherals like DMA, SPI, I2C, GPIO, Clock, PWM, Input Capture,.. - Experiences with high-optimized code development for security ciphers on S32k, NXP Kinestis M0/M4. - Experiences with development of Autosar MCAL modules. - Experiences with development of bus like CAN, LIN, Flexray, Ethernet. Quickly adapt with new technology.

I'm a developer with experience building websites for businesses of all sizes — from small startups to large enterprises. I specialize in creating scalable, user-focused solutions tailored to each client's unique needs.

EMBEDDED SOFTWARE ENGINEER github: github.com/toandinh18 blog: theguerreroblog.wordpress.com * Proficient in: C/C++. * Solid understanding of OOP’s concepts, design patterns, data structures and algorithms. * Knowledge of advanced level programming in C/C++ including multi-threading, multiprocessing, concurrency, caching, message queue and memory management * Experience working with TCP/IP on various platforms. * Familiarity with scripting, build, packaging, and software release engineering skills including RPM, Debian. * Linux Kernel development * Real Time Operating System.

I help turn Unity prototypes into polished, optimized games for Mobile, with a specific focus on Casual, Hyper-casual, and Hybrid-casual titles (especially Puzzle games). I focus heavily on game feel - responsive controls, smooth transitions, satisfying feedback, and polished interactions that make gameplay feel great. I’ve worked on various mobile projects, covering everything from core gameplay systems and UI flow to optimization and store integration. What I can help with: - Specializing in Mobile Puzzle & Casual mechanics - Game polish: Improving game feel, feedback, and juice for a better player experience - UI/UX implementation: Building clean, functional screens for mobile - Bug fixing and optimization: Keeping performance smooth across all mobile devices Unity services integration: Google Play Services, Cloud Save, Leaderboards, and Ads, IAP - Scalable gameplay systems: Clean code and structure for mobile-first development I care deeply about performance - optimizing draw calls, UI canvases, and logic to ensure games run perfectly on mobile hardware. Whether you need help finishing a puzzle prototype, polishing your core loop, or building systems from scratch, I’m ready to jump in and move your project forward. Send me a message with your project details - I’d be happy to discuss it!