Hello, I’m Serhii 👋

Backend Engineer | Java | Python | AI Integration

I’m a backend engineer with a strong Java background, currently specializing in AI-powered applications. My focus is on building production-ready backend systems that integrate LLMs, AI APIs, and intelligent workflows.

Currently focused on

• AI Integration Engineering
• Python & FastAPI
• OpenAI & Gemini APIs
• Agentic workflows
• Backend architecture
• Docker & Cloud deployment

Professional Experience

• Designed and developed backend services with Java & Spring Boot
• Built REST APIs and microservice-based systems
• Integrated third-party APIs and enterprise systems
• Built automation solutions and technical platforms
• Currently building AI-powered backend services with FastAPI and LLM APIs

Tech Stack

Languages: Python, Java, SQL, JavaScript

Backend: FastAPI, Spring Boot, Spring Security, REST APIs

AI: OpenAI API, Gemini API, Structured Outputs, Prompt Engineering, Agentic Workflows

Databases: PostgreSQL, MySQL, SQLite, MongoDB

DevOps: Docker, Git, GitHub Actions

Architecture: Clean Architecture, Domain-Driven Design, Microservices

Current Projects

• AI Goal Planning backend
• AI-powered productivity systems
• LLM workflows and automation tools

Let’s Connect

I’m interested in backend engineering opportunities focused on AI-powered applications, LLM integration, and intelligent software systems.

Feel free to connect with me on LinkedIn or explore my repositories.