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konul:dev

Solo Studio for End-to-End Web Development

→Working website in days
→Tested AI agent within a week
→Full deployment & security included
Web DevelopmentAI IntegrationSystem Deployment & Security
Start a ProjectLet's Talk →
currently located in Buenos AiresUTC-3//

Projects

satatrip.com

02.2026

Travel booking platform for Central Asia — Kazakhstan, Kyrgyzstan, Uzbekistan. Available in English and Russian. Live weather and currency exchange built into every tour page. Content management system so the team can update tours without a developer.

Next.jsPostgreSQLRedis

integrations: OpenWeatherMap / Central Bank of Kyrgyzstan

role: Design → development → deployment → ongoing maintenance

visit →

promptestates.com

12.2025

AI-powered property search — users describe what they want in plain language and get matched listings. Backend and infrastructure built solo; frontend by another team.

PythonFastAPILangChainOpenSearchMongoDB

integrations: OpenAI / Claude

role: Backend, AI pipeline, deployment, maintenance

visit →

satatrip.ru

09.2024

Travel booking for Yakutia — tours to the coldest inhabited places on Earth, like Oymyakon (Pole of Cold). Content management, customer CRM, and digital contract signing so customers can book entirely online.

Next.jsPostgreSQLRedis

integrations: OpenWeatherMap

role: Design → development → deployment → ongoing maintenance

visit →

yle.dvenergy.pro

01.2023

Corporate payment portal — employees submit requests, accounting approves, everyone tracks status in real time. Processes thousands of payment requests per month with automated bank document generation and live exchange rates.

PythonFastAPIMongoDBJinja2HTML/CSS/JS

integrations: Central Bank of Russia

role: Development → deployment → ongoing maintenance

visit →

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Services

Web Development

  • Functional, safe web apps with Next.js / React
  • API design and backend with Python (FastAPI, asyncio)
  • Database architecture (PostgreSQL, MongoDB, OpenSearch, Redis)

AI Integration

  • LangChain, RAG pipelines
  • On-prem LLM inference (your data stays yours)
  • AI agents with testing and guardrails

System Deployment & Security

  • Ubuntu server setup, hardening, and maintenance
  • Docker containerization
  • Nginx / Caddy reverse proxy and SSL
  • Database security and access control
  • Monitoring and incident response

Maintenance & Support

  • Ongoing maintenance by the person who built it
  • Performance monitoring and optimization
  • Security updates and patches
  • Feature iteration

Tech Stack

Backend

  • Python — FastAPI, asyncio
  • Rust — Axum

Frontend

  • Next.js / React
  • Tailwind CSS
  • TypeScript

Databases

  • PostgreSQL
  • MongoDB
  • OpenSearch
  • Redis

AI

  • LangChain
  • RAG pipelines
  • On-prem LLM inference

Infrastructure & Deployment

  • Docker / Docker Compose
  • Nginx / Caddy
  • Ubuntu — server setup, hardening, security
  • CI/CD (GitHub Actions)

About

I'm a solo developer who handles customer interaction, design, and implementation — no communication bottlenecks of traditional teams. Full-cycle: development, deployment, and maintenance.

Philosophy: no communication overhead, ship fast, own the whole thing, security by default.

Contact

Start a Project
hello@konul.dev
@acheremkin