
Hi, I'm
Andrew Leonenko
Senior Software Engineer specializing in AI systems for healthcare
Building intelligent document processing and automation solutions that transform enterprise operations. Currently at Altera Digital Health.
Skills
Frontend Development
Modern frontend development with React ecosystem, mobile apps, and responsive design
Backend Development
Full-stack backend services, APIs, and server-side architecture
Cloud & DevOps
Cloud infrastructure, containerization, and deployment automation
Databases & Storage
Relational and NoSQL databases, caching, and data architecture
AI & Machine Learning
AI/ML implementation, large language models, and intelligent automation
Microsoft Ecosystem
Microsoft enterprise solutions and business intelligence platforms
Development Tools & Testing
Development workflow, testing frameworks, and productivity tools
Soft Skills & Methodologies
Leadership, project management, and collaborative development practices
Need a Developer?
I help businesses and startups build exceptional web applications, mobile apps, and user experiences. Let's discuss your project.
Recent Posts
Building Real-time AI-Powered Chatbots with LangChain: A Developer's Journey
This post details the process of building a robust and responsive AI chatbot using LangChain, a powerful framework for developing applications powered by large language models. We'll cover integration with various LLMs, handling user input, and managing context for engaging and informative conversations.
Building Effective Agents: Three Core Principles for AI Engineers
A deep dive into building production-ready AI agents with practical insights on when to use agents, how to keep them simple, and the importance of thinking from the agent\'s perspective.

AI in Healthcare: From Diagnosis to Treatment Planning
Explore how artificial intelligence is transforming healthcare through early disease detection, personalized treatment plans, and predictive analytics, while addressing privacy and ethical challenges.