SYS://PROFILE

Kamil Ryś

Full Stack Product Engineer

TECH_STACK

  • 01 TypeScript
  • 02 React
  • 03 Svelte 5
  • 04 Power Platform
  • 05 Python
  • 06 Go
EXPERIENCE 4+ YRS
CURRENTLY PGE S.A.
LOC Warsaw, PL

I think in systems. Full ownership — architecture to production.

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EMPLOYMENT_HISTORY

PGE Polska Grupa Energetyczna

Full Stack Developer · Jul 2024 – Present

  • Zero infra budget. Legacy PP stack. Designed around both.
  • 14-day process → 2 days. [86% latency drop]
  • Led small team. Full lifecycle ownership.

Self-Employed

Frontend Developer · May 2022 – May 2024

  • Custom React component library. Zero external deps.
  • WASM + Web Workers physics engine for real-time UI.
  • +23% engagement. Shipped to production clients.

Handcrafted Mobile

Frontend Developer · Apr 2022 – Jun 2022

  • Figma → pixel-perfect mobile-first interfaces.
  • Responsive implementation across device targets.

NASK Incorporated

Python Backend Developer · Jun 2021 – Aug 2021

  • mObywatel gov-app backend services in Python.
  • REST API logger and maintenance.

Employment Breakdown

PGE S.A. Jul 2024–Now 44%
Freelance May 2022–May 2024 45%
Handcrafted Apr–Jun 2022 5%
NASK Inc. Jun–Aug 2021 6%

CASE_STUDIES

[01] PGE · React / Power Platform / Go

HR Automation System

Company-wide training management across fragmented legacy systems. Zero new infrastructure budget. Designed hybrid event-driven architecture injecting React into existing Power Platform pipelines. Go backend unified data across 3 legacy sources.

14 days → 2 days · 86% latency drop · ~2K users

[02] Freelance @ 5city · React / TypeScript / WASM

React Game Engine

Client needed real-time game UI — existing component libraries added 200ms+ overhead. Built zero-dependency component library with custom reconciliation layer. Physics calculations pushed off main thread via Web Workers and WebAssembly.

+23% user engagement · zero external runtime deps

CERT_LOG

[01] Meta

Front-End Developer Professional Certificate

[02] Google

Foundations of Cybersecurity

[03] PZSWiR

National Olympiad of Technical Innovation

REG:N/A