Bohdan Yartsun

Hi! I'm a Full-Stack Developer from Ukraine specializing in building modern, high-performance web applications and integrating intelligent AI/LLM features to help businesses scale and automate.

With a strong foundation in modern JavaScript/TypeScript frameworks across both frontend and backend, along with AI tools, I don't just write code, I build complete, production-ready solutions that save time, reduce costs, and provide a great user experience.

🚀 My Core Expertise:

➡️ Front-End Development:

React.js, Next.js, Vue.js, Nuxt.js

JavaScript (ES6+), TypeScript

Pixel-perfect, responsive UI design using Tailwind CSS, Bootstrap, Sass, Vuetify

Figma to code conversion

➡️ Back-End Development & Architecture:

Node.js, NestJS, Express.js

Building scalable REST/GraphQL APIs and microservices

Database architecture & management (MySQL, PostgreSQL, MongoDB, Redis)

Secure authentication, multi-tenant systems, and server logic

➡️ AI & LLM Integrations:

Integrating popular LLMs (OpenAI API / ChatGPT, Claude) into web applications

Building custom AI Chatbots, smart assistants, and RAG (Retrieval-Augmented Generation) systems

Workflow automation and prompt engineering

➡️ Tools & DevOps:

Git, GitHub, Docker, CI/CD pipelines, RESTful APIs

💡 Why Work With Me?

Clean, scalable, and maintainable code you'll be proud of.

Clear, daily communication (I usually reply quickly and never ghost).

Focus on your business goals, not just technical tasks.