Hi My name is Vadim

    Full-Stack Developer

💻 Senior Software Engineer (C++ / Python) 🎓 Graduate of V. N. Karazin Kharkiv National University — Cybersecurity 📍 27 years old ⚙️ Focused on high-performance systems, backend infrastructure, and secure software development

🚀 About Me

I am a software engineer specializing in C++ and Python, with a strong interest in high-performance computing, backend systems, and secure architecture.

My background in cybersecurity helps me approach system design with a focus on reliability, security, and efficiency. I enjoy solving complex engineering problems, optimizing systems under heavy load, and building software that remains stable even in demanding environments.

I am particularly interested in areas where performance, concurrency, and system-level programming intersect.

🧠 Technical Stack

⚙️ Core Skills

Multithreading & Concurrency Network Programming Memory Management Performance Optimization Secure Software Development

🛠 Tools & Technologies

Linux 🐧 Git Docker CMake GDB / Valgrind CI/CD pipelines

🧩 Complex Engineering Problems I Worked On ⚡ High-Performance Data Processing System

Designed and implemented a C++ backend system capable of processing millions of events daily.

Key challenges:

building an efficient multithreaded processing pipeline reducing memory allocations and latency optimizing algorithms for high throughput profiling and eliminating performance bottlenecks Result: improved processing speed and significantly reduced CPU usage under heavy workloads.

🌐 Concurrent Network Service

Developed a high-load TCP service capable of handling thousands of simultaneous connections.

Key work included: designing an asynchronous networking architecture optimizing connection handling reducing lock contention in multithreaded environments ensuring system stability under heavy traffic 🐍 Backend Services & Automation Built backend tools and services using Python.

Main responsibilities: designing internal APIs building automation tools and background workers integrating monitoring and logging improving reliability of internal systems

🔬 Performance Optimization

Worked on improving performance in existing systems where latency and efficiency were critical.

Typical work included: analyzing bottlenecks with profiling tools optimizing CPU-intensive algorithms reducing unnecessary memory allocations improving cache efficiency

🔐 Cybersecurity Background

My university specialization in Cybersecurity helps me design systems with a strong focus on: secure architecture safe memory handling protection against common vulnerabilities reliable system behavior under unexpected conditions

🎯 Engineering Principles

✔ Write clean and maintainable code

✔ Build systems that scale

✔ Focus on performance where it matters

✔ Prefer simple and reliable solutions

📈 Interests

High-performance systems System architecture Backend infrastructure Distributed systems Low-level programming

🤝 Open to

interesting engineering challenges collaboration with strong developers