Oleksandr Klivtsov

Are you looking for an expert Full Stack Developer?

Perfect! You are at a right place!

As a highly motivated and experienced software developer, I have a passion for creating innovative and user-friendly web applications and software products.

I have extensive experience in front-end and backend development in React, Next.js, Node.js, JavaScript, TypeScript, Python, Flask, Django, Java, Java EE and Spring Boot.

Also, I am proficient in AI technologies such as NLP, OpenAI, ChatGPT, LLM, Chatbot, Generative AI and Web Scraping.

My area of expertise:

• Language

JavaScript, TypeScript, Python, Java

• Frontend 

React, Next.js, HTML, CSS, Tailwind CSS, Material UI, JSP(Java Server Page)

• Backend

Express.js, Flask, Django, FastAPI, Spring Boot

• Artificial Intelligence

NLP, OpenAI, ChatGPT, LLM, Chatbot, RAG, Langchain, Elevenlabs, OpenAI assistant (function calling, retrieval, code interpreter), Web Scraping

• Database

SQL, MongoDB, AWS DynamoDB, PostgreSQL, Vector database(Pinecone, Chroma, Qdrant)

• Experience with Github and Project Management tools

Jira, Asana, Slack for communication

I have deep experience in these fields and tech stacks.

And I can complete any projects in these fields perfectly within the deadline with good satisfactions for client’s needs.