About
Denis Adamchik
Programmer, web developer
I help small businesses present their work online and take orders.
I have spent over seven years developing and maintaining web applications. I build websites for experts and companies, catalogues for studios and stores for sellers — around a specific business need.
I handle both the pages your customers see and the systems behind them: enquiries, data, payments and service integrations. I choose the technical foundation to fit the project.
You work with me directly: I clarify the task, estimate the work, build and launch the project. If your scope and timeline need a team, I’ll say so before work begins.
Status and contracts
- Status
- Registered self-employed in Russia, taxed under the professional income regime.
- For the contract
- Denis Adamchik, tax number 526223536709.
- Paperwork
- Work runs under a written contract. Every payment comes with a fiscal receipt issued through the «Мой налог» app; companies and sole traders get it together with a completion certificate.
- Your tax side
- No income tax to withhold and no social contributions to pay: I pay the tax on my income myself.
- Where I am
- Nizhny Novgorod. I work remotely, inside Russia and beyond it.
What I work with
- Websites
- Astro
- TypeScript
- Tailwind CSS
- Sveltia CMS
- Applications
- Node.js
- React
- Next.js
- Ruby on Rails
- Python
- PHP
- Commerce and data
- Medusa
- PostgreSQL
- ЮKassa
- Robokassa
- ApiShip
- Infrastructure
- Docker
- Caddy
- GitHub Actions
- Sentry
- Backups and monitoring
Fast pages for services, products and enquiries. No monthly platform fee; domain and hosting are paid separately.
Customer portals, internal systems and interfaces over data you already hold.
Catalogue, orders, payment with fiscal receipts and delivery — what a working store is actually made of.
Deployment, updates and everything that makes a site a running system rather than a one-off delivery.
Educational documents
Diploma of professional retraining
2023
Institute of Professional Education, Moscow. Qualification «Programmer», field «Software development».