Piotr Ponikiewski
PL
0,0 grid · 4col · 1120 + + +

Piotr
Ponikiewski

I study computer science and develop as a full-stack developer. I build projects from scratch: TypeScript, React, Supabase and some AI in day-to-day work.

~ currently:
01

Selected projects

001
Tracker · Desktop / SaaS

A desktop time-tracking app for teams, with local SQLite storage, cloud sync, workspaces, roles and an auto-updater.

  • Offline-first mirror with outbox and LWW merge
  • Multi-tenant workspaces, roles and invite links
  • Signed auto-updater and GitHub Releases delivery flow
Tauri 2React 19TypeScriptSQLiteSupabaseRust
Released
002
Roza Rozancowa · Web / PWA

A web app for managing Living Rosary groups: members, mystery rotation, monthly intentions, admin panel and user panel.

  • Automatic mystery rotation and group-position logic
  • Roles, authentication and secure access through RLS
  • Feature-based architecture with unit and e2e tests
React 19TypeScriptViteSupabasePWAPlaywright
MVP / evolving
003
Budgie · Desktop

A desktop personal budget app: income, expenses, categories and a live balance. Data stored locally in SQLite, works offline, no account needed.

  • Income and expense entries with type-dependent categories
  • Live balance, month filtering and per-category breakdown
  • Local SQLite storage, works offline, no account or server needed
Tauri 2React 19TypeScriptSQLiteDrizzle ORMTailwind CSS v4
In progress
004
TokenForge · Web / Tool

A browser-based tool for creating RPG and VTT tokens: shapes, decorative frames and PNG export. No installation required.

  • 7 frame styles and multiple token shapes
  • PNG export at multiple resolutions
  • Bilingual interface (PL / EN)
ReactTypeScriptKonvaTailwind CSS
Released
02

Technologies I use

01 Frontend
ReactTypeScriptNext.jsAstroTailwind
02 Backend / API
Node.jsFastAPIC# / .NETREST API
03 Databases / Data
PostgreSQLSQLiteSQLSupabaseRLSEdge Functions
04 Data / Analytics
PythonpandasNumPyExcelWord
05 Desktop
TauriRust
06 IT admin / Systems
LinuxBashPowerShellWindows
07 DevOps / Testing
GitGitHub ActionsDockerPlaywright
08 AI
Claude CodeCodexOpenRouter
03

About

Piotr Ponikiewski

Full-stack Developer

I build fullstack apps in TypeScript. I use AI in practice: automation, dev tooling, faster prototyping.

I like picking up new things and try to understand what I use. Beyond code I am curious about technology, space and science in general.

Education
BEng Computer Science, WSIiZ Bielsko-Biała (2021–2026)
IT Technician, ZSEEiM Bielsko-Biała (2017–2021)
Experience
C# at Code Town · own full-stack projects
Languages
Polish native · English C1 · German A2
Availability
Bielsko-Biała · open to hybrid/remote work

Looking for my first full role as a Full-stack Developer.

#technology#AI#gaming
04

Contact

Reach out if you have a role or a project in mind.

I reply to emails and LinkedIn messages. CV below.

Email p.ponikiewski7@gmail.com LinkedIn in/piotr-ponikiewski GitHub github.com/pponikiewski CV Download CV