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Projects

5 projects

A closer look at the products I work on.

A mix of long-term commercial systems and my own iOS apps. Each case study explains the problem, my role, and the parts I worked on.

01Marketing automation
DropUI campaign editor shown on a MacBook mockup

DropUI

DropUI makes campaign creation approachable even for people with no experience using marketing tools. The platform covers popups, bars, embeds, feeds, WhatsApp, and web push, with email and SMS coming next.

  • React
  • TypeScript
  • Django
02Payroll and HR system
P88-KaPla payroll and HR system shown on a MacBook mockup

P88-KaPla

P88-KaPla supports day-to-day payroll and HR work: employee records, time and attendance, calculations, payroll runs, and Polish ZUS, PIT, and GUS reporting. It also includes a multi-window workspace, detailed permissions, reports, and an AI assistant that only works with data the current user may access.

  • React
  • TypeScript
  • ASP.NET Core
  • C#
  • SQL Server
03Employee self-service
P88-HR employee portal shown on a MacBook mockup

P88-HR

P88-HR gives employees one place to check work calendars, payslips, and PIT documents, request leave, and message HR. Supervisors use the same system to review requests, arrange cover, manage permissions, and send notifications.

  • React
  • TypeScript
  • ASP.NET Core
  • C#
  • SQL Server
  • WebSockets
04Hydration trackingAvailable on the App Store
Hydro by Vinze hydration app shown on an iPhone mockup

Hydro by Vinze

Hydro is my iOS hydration tracker, built to make daily logging quick. It includes custom goals, different drink types, reminders, history, widgets, Live Activities, Apple Health, iCloud sync, and an optional AI-assisted scanner that estimates cup volume from a photo.

  • iOS
  • HealthKit
  • iCloud
05Workout trackingIn development
Gym by Vinze workout app shown on an iPhone mockup

Gym by Vinze

Gym by Vinze is an iOS workout tracker currently in development. It combines workout planning with quick logging of exercises, sets, repetitions, and weight, plus rest timers, progress history, personal records, Apple Health, and iCloud sync.

  • iOS
  • HealthKit
  • iCloud