Olga Martynyuk

Full-Stack Developer | 10+ IT Domains

I'm a full-stack developer with hands-on experience across 10+ IT areas — from web and mobile apps to blockchain, AI/ML, IoT, and systems programming.

Tech Stack:

— Frontend: React, Next.js, Angular, TypeScript, Tailwind CSS, Three.js/WebXR

— Backend: Node.js, Python (FastAPI, Django), PHP (Laravel), C# (ASP.NET)

— Mobile: Kotlin + Jetpack Compose, Flutter/Dart

— AI/ML: OpenAI API, RAG (pgvector), LangChain, Qiskit

— Telegram Bots: aiogram 3, Bot API, payment & AI integrations

— Blockchain/Web3: Solidity, Rust, ERC-20/721/1155, DEX, HFT bots

— Systems: C, C++, Rust, x86_64 ASM, POSIX

— Desktop: CEF (Chromium Embedded), Qt, WinAPI

— DevOps: Docker, Kubernetes, CI/CD, Linux, Nginx

— Geo/Maps: PostGIS, Nominatim, Mapbox, Turf.js

— Big Data: PySpark, Kafka, Airflow, Delta Lake

— IoT: ESP32, MQTT, PlatformIO, sensors

Portfolio: 14+ production-ready projects including e-commerce, CRM, smart home systems, 3D visualizations, quantum algorithms, and cybersecurity tools.

GitHub: github.com/Evge14n

I take on projects of any complexity — from landing pages to HFT bots and distributed systems. Always available, always on deadline.