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Kyryll — Hacklab

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K

Kyryll

@1Kyryll

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

WarsawJoined July 2026

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4,046,843,190 tokens across 19 active days this year. Shades reflect this user's activity, with stronger shades for higher daily totals. Session tokens count on their last active day in UTC. Use arrow keys to explore days, or Home and End to jump to the first and last day.

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Agent usage

All time Today 7 days Last 30 days

4B

Claude Code
99% of total usage4B
- claude-opus67%
- claude-sonnet28%
- claude4%
OpenCode
1% of total usage49M
- deepseek100%
- big-pickle<1%

CV

Accomplishments

E-Commerce-SystemGo 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.(opens in a new tab)
Eye-Tracking-Page-ScrollingFree 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.(opens in a new tab)
Restaurant-System-MicroservicesGo 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.(opens in a new tab)
OneTubeYouTube 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.(opens in a new tab)
Lychee-ChatChat 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.(opens in a new tab)
nanoDBLSM-tree based key-value storage engine written in Python. Public repository owned by Kyryll.(opens in a new tab)
Creator-KitClaude plugin for content creators, written in Shell. Public repository owned by Kyryll.(opens in a new tab)
StyloAI 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.(opens in a new tab)
Cambridge Assessment English credentialLists 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.