Kodvra Get in touch

Independent software development studio

Backend software for businesses.

We design, build and run backend-heavy products, from the first workflow to production.

Tell us what you’re building

10 years of shipping software

Carmargo / calculation flowOur own product
From a car listing to a margin calculationA listing and documents feed into document understanding and tax rules, then into a net margin report. Language models interpret documents; deterministic rules calculate taxes. Listing linkDocumentsTax engineRule-drivenNet margin9 EU countries
LLMs read the documents. Rules do the maths.

What we build

Selected work

Studio experience, 2017–2026
Our own product and anonymised project stories.

Trading inside Telegram

A trading bot for several blockchains, with wallet management, buying and selling through limit and DCA orders, and PnL per position. Price alerts, group features and a rich-message interface keep the workflow inside Telegram.

Shipped: wallet, order and position workflows in a Telegram bot.

  • TypeScript / Bun
  • PostgreSQL
  • Redis
  • Docker
  • Telegram Bot API

From on-chain data to signals

Services that ingest on-chain and market data, score wallets and traders, and send signals to Telegram. PostgreSQL and Redis support the data flow, with deployment on Railway and log-based observability.

Shipped: ingestion, trader analytics and Telegram alerting services.

  • PostgreSQL
  • Redis
  • Railway
  • Telegram Bot API

Automation for the repetitive parts

Headless-browser tooling joins and records live online lectures, with a silence watchdog and ffmpeg post-processing. Separate Telegram community tools handle member export and moderation helpers using Telethon.

Shipped: lecture recording automation and community administration tools.

  • Python
  • Playwright
  • Telethon

Websites with a working backend

Django websites for small businesses, built around their content and day-to-day needs. A tourism site generator turns repeatable site structures into a publishing workflow.

Shipped: business websites and a tourism site generator.

  • Python / Django

Stack

Tools chosen for the job,
and for the life after launch.

Backend
Python (FastAPI, Django)
TypeScript / Node.js / Bun
Data
PostgreSQL, SQLite, Redis
Infra
Docker, Cloudflare, Railway, Render
GitHub Actions, Playwright
AI
Anthropic & OpenAI APIs
Messaging
Telegram Bot API & Telethon

How we work

Start with the problem. We map the workflow, ask what needs to change and agree on a scope that can be shipped. We work with clients across Europe and remotely.

Build in weekly increments. You get staging previews to try, with room to adjust the details as the product takes shape.

Stay with it in production. We ship, host and run what we build, including deployment, support and the changes that follow real use.

Have something
that needs building?

Tell us what it needs to do. We reply within two business days.

Email the studio