Andrew Leonenko

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.

0+
Years
0%
Automation
0+
AI Models

Skills

01

Frontend Development

Modern frontend development with React ecosystem, mobile apps, and responsive design

React
React Native
Next.js
TypeScript
JavaScript
HTML5
CSS3
Tailwind CSS
Redux
Expo
Vite
Responsive Design
UI/UX Implementation
02

Backend Development

Full-stack backend services, APIs, and server-side architecture

Node.js
Express.js
Python
FastAPI
PHP
Laravel
RESTful APIs
GraphQL
Microservices
WebSockets
JWT
03

Cloud & DevOps

Cloud infrastructure, containerization, and deployment automation

AWS
Azure
GCP
Docker
Kubernetes
CI/CD
GitHub Actions
Terraform
Vercel
Netlify
04

Databases & Storage

Relational and NoSQL databases, caching, and data architecture

PostgreSQL
MongoDB
MySQL
Redis
SQL Server
Firebase
Elasticsearch
Vector Databases
Database Design
05

AI & Machine Learning

AI/ML implementation, large language models, and intelligent automation

OpenAI GPT
Google Gemini
Claude AI
Azure AI Foundry
Azure AI Studio
LangChain
Prompt Engineering
RAG Systems
TensorFlow
Vector Databases
AI Integration
06

Microsoft Ecosystem

Microsoft enterprise solutions and business intelligence platforms

Power Platform
SharePoint
SPFX
PowerBI
Office 365
Teams
Microsoft Copilot
Azure AI Services
07

Development Tools & Testing

Development workflow, testing frameworks, and productivity tools

Git
VS Code
Jest
React Testing Library
Cypress
Postman
Jira
Figma
ESLint
Chrome DevTools
08

Soft Skills & Methodologies

Leadership, project management, and collaborative development practices

Problem Solving
Team Leadership
Agile/Scrum
Project Management
Technical Writing
Mentoring
Communication
Code Reviews

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
Latest
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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.

AIChatbotsLangChain
Building Effective Agents: Three Core Principles for AI Engineers
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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.

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AI in Healthcare: From Diagnosis to Treatment Planning
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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.

aihealthcare