Korchak

Full-stack Developer & Consultant

Transforming ideas into scalable digital solutions. From fintech innovations to AI-powered systems, I architect, develop, and deploy enterprise-grade applications that drive business growth worldwide.

20+
Years Experience
8+
Industry Domains
24/7
Global Support

Services & Expertise

Comprehensive solutions for modern digital challenges

💻

Full-stack Development

End-to-end application development and deployment

React/Next.js Node.js Python TypeScript GraphQL REST APIs
⚙️

DevOps & Infrastructure

Cloud architecture, CI/CD, monitoring, scaling

AWS/GCP Docker Kubernetes Terraform CI/CD Monitoring
🎯

Technical Consulting

Architecture review, performance optimization, team mentoring

Tech Strategy Code Review Team Leadership Optimization Best Practices Mentoring
💳

Fintech Solutions

Payment systems, trading platforms, financial APIs

Payment APIs Trading Systems Banking Solutions Compliance Security Analytics

Blockchain & Crypto

Smart contracts, DeFi protocols, crypto integrations

Solidity Smart Contracts DeFi Web3 FunC TON
🤖

AI & Machine Learning

LLM integrations, data analytics, automation systems

LLM Integration ML Pipelines Data Analytics Automation NLP Computer Vision

Technical Excellence

Leveraging cutting-edge technologies and best practices to deliver robust, scalable solutions

api-optimizer.js
// Example: High-performance API with caching
export const createOptimizedAPI = async (config) => {
  const cache = new Redis(config.redis);
  const db = new Database(config.database);
  
  return {
    async getUser(id) {
      const cached = await cache.get(`user:${id}`);
      if (cached) return JSON.parse(cached);
      
      const user = await db.users.findById(id);
      await cache.setex(`user:${id}`, 300, JSON.stringify(user));
      return user;
    }
  };
};
99.9%
Uptime
<100ms
Response Time
10M+
Requests/Day

Frontend

JavaScript/TypeScript React Next.js HTML/CSS

Backend

Python Django FastAPI Node.js NestJS Golang Rust

Blockchain & Crypto

Solidity FunC Smart Contracts Web3

Infrastructure & DevOps

PostgreSQL Redis Kafka etcd Docker Kubernetes AWS Cloudflare

Tools & CI/CD

GitLab CI/CD Monitoring Testing

Architecture Principles

  • • Microservices & Event-Driven Design
  • • Test-Driven Development (TDD)
  • • Infrastructure as Code (IaC)
  • • Security-First Approach
  • • Performance Optimization
  • • Scalable Database Design

Let's Build Something Amazing

Ready to transform your ideas into reality? Get in touch to discuss your project requirements and timeline.

Get In Touch

Availability
Global • 24/7 Support Available
Response Time
Within 24 hours

Secure Communication

GPG Encrypted Communication Available
GPG Public Key (Ed25519)

Business Information

IČO:
Address: Czechia
Status: Zapsán v živnostenském rejstříku

Project Engagement

Short-term Projects

MVP development, quick fixes, consultations, audits

Long-term Partnerships

Ongoing development, maintenance, team augmentation

End-to-End Solutions

From concept to deployment, full-stack development

Technical Consulting

Architecture review, performance optimization, scaling

Trust & Confidentiality

  • • Full confidentiality and NDA agreements
  • • Non-competitive client relationships guaranteed
  • • Secure development and data handling practices
  • • Professional discretion with sensitive projects
  • • Long-term partnership approach

What to Include in Your Message

  • • Project scope and requirements
  • • Timeline and budget expectations
  • • Technology preferences (if any)
  • • Current challenges or pain points
  • • Team size and collaboration needs

Ready to Get Started?

Whether you're a startup looking to build your first product or an enterprise needing to scale your systems, I'm here to help turn your vision into reality.

Start Your Project

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