# Kyryll

[@1Kyryll](https://hacklab.so/1Kyryll)

Kyryll is a builder on Hacklab, based in Warsaw. No AI coding activity was synced in the last 30 days.

Backend and distributed\-systems engineer working in Go and TypeScript\. Builds observable services and writes about engineering and security\.

Location: Warsaw

Joined: 2026-07-02

3 followers · 2 following

## Links

- [Luma](https://luma.com/user/usr-2QYorhyPHuMQQ0M)
- [GitHub](https://github.com/1Kyryll)
- [LinkedIn](https://linkedin.com/in/kyryll-pavlenko-b51b21386)
- [X](https://x.com/KyryllFRST)
- [Instagram](https://instagram.com/1kyryll)
- [YouTube](https://youtube.com/@1kyryll)

## AI usage (All time)

Total tokens: 4,046,843,190

| Harness | Tokens | Share | Most-used model |
| --- | ---: | ---: | --- |
| Claude Code | 3,997,908,759 | 98.8% | claude\-opus |
| OpenCode | 48,934,431 | 1.2% | deepseek |

## Accomplishments

### [E\-Commerce\-System](https://github.com/1Kyryll/E-Commerce-System)

Go and TypeScript \(Next\) e\-commerce system, described in its repository as a learning\-oriented project that was load tested with Grafana k6, with telemetry collected through the Grafana LGTM framework and usable as a template for e\-commerce systems\. Public repository owned by Kyryll, with 1 star\.

### [Eye\-Tracking\-Page\-Scrolling](https://github.com/1Kyryll/Eye-Tracking-Page-Scrolling)

Free open\-source app that lets users scroll any page by eye gaze using only a webcam, running from the system tray with all processing on\-device\. Public Python repository owned by Kyryll\.

### [Restaurant\-System\-Microservices](https://github.com/1Kyryll/Restaurant-System-Microservices)

Go microservices app \(a restaurant\-like system\) built with gRPC and GraphQL that notifies a kitchen staff dashboard through events and WebSockets, with a NextJS frontend\. Public repository owned by Kyryll\.

### [OneTube](https://github.com/1Kyryll/OneTube)

YouTube clone app with basic functionality, with a NextJS client, a Go server, MinIO S3 object storage and RabbitMQ for workers\. Public repository owned by Kyryll\.

### [Lychee\-Chat](https://github.com/1Kyryll/Lychee-Chat)

Chat web application built on NextJS and ExpressJS using Redis, MongoDB, BullMQ and WebSockets, with Redis caching and pub/sub and BullMQ workers and jobs\. Public repository owned by Kyryll\.

### [nanoDB](https://github.com/1Kyryll/nanoDB)

LSM\-tree based key\-value storage engine written in Python\. Public repository owned by Kyryll\.

### [Creator\-Kit](https://github.com/1Kyryll/Creator-Kit)

Claude plugin for content creators, written in Shell\. Public repository owned by Kyryll\.

### [Stylo](https://github.com/1Kyryll/Stylo-Releases)

AI copilot editor for writers that Kyryll states they are building\. Release binaries are published in a public repository, which states that the source is private\.

### Cambridge Assessment English credential

Lists Cambridge Assessment English under certifications; the specific exam, level and date are not supplied\.

## Education

### Business Administration and Management studies — II Stefan Batory High School in Warsaw

Warsaw, Poland

Education entry lists Business Administration and Management, General at II Stefan Batory High School\. Dates are unspecified\.