Full Stack DeveloperAvailable for projects

OskarŚledź

Oskar Śledź, Full Stack Developer
Specializing inFull-Stack Web Systems

Building high-performance modern web apps and native Android applications.

Selected workhello@oskarsledz.pl

My projects.

(07)

Motivio

Mobile App, Flutter2025

Cross-platform mobile application built with Flutter and Dart. A motivational app featuring a habit tracker, notifications, and customization. Published on the Google Play Store.

Play Store

SafeLabs

Workshops, Cybersec2025

Interactive cybersecurity workshops designed for primary school students. Co-created with friends and delivered live through hands-on demonstrations.

BodyLog AI

Mobile App, Flutter2026

Android application for tracking body parameters and fitness progress, featuring smart AI-powered progress analysis. Enables logging measurements, visualizing trends, and staying motivated to reach body goals.

Play Store

RaceFuel

Mobile App, Flutter2026

Advanced nutrition and hydration calculator for endurance athletes. Features a custom Neumorphic UI, dynamic sweat and sodium loss algorithms, and smart gel inventory pacing. Engineered with strict Clean Architecture and Riverpod for robust state management.

Play Store

DjiMediaImporter

TUI Utility, Python2026

A high-performance, zero-dependency TUI utility for drone pilots and videographers. Automatically detects connected DJI SD cards, organizes media by type with real-time speed metrics, and handles safe post-import card cleanup.

GitHub

Bali Domy

Website, Next.js2026

Marketing site and booking funnel for a log-cabin wellness resort in the Beskid Wyspowy mountains. Includes an interactive area map, seasonal pricing, guest reviews and an enquiry form, optimised for local search.

balidomy.pl

Pyk

Mobile Game, Flutter2026In testing

Real-time multiplayer mini games with the people right next to you. Phones find each other over Bluetooth LE, no room codes or lobbies, and two players swipe through game cards until they match on one. Twelve 10–60 second duels with server-side Elo ranking, Android and iPhone playing together.

More on GitHub

Experiments, tools and everything in between.

DEVELOPDESIGNARCHITECT
I build advanced modern webapplications and native Androidmobile projects with a strongfocus on clean code.
GitHubLinkedInX

Off the keyboard.

Results

123.9km

Triathlon, beyond IRONMAN 70.3 distance

2.8 km swim · 100 km bike · 21.1 km run

178.4km

Longest ride

7 h 39 min moving · 881 m climbing

Also
  • Swim · Bike · RunTriathlon training through the whole season.RaceFuel
  • GymThe strength base under the endurance work.BodyLog AI
  • DroneAerial footage, and a pile of SD cards to sort.DjiMediaImporter
  • 3D printingMounts, brackets and parts nobody sells.
  • BooksAlways one on the go.
Contact

Have an idea for a mobile app, a modern website, or looking for tech support? Write to me.

hello@oskarsledz.pl
LocationKraków, Poland
GitHubLinkedInX