Pstryk.pl
Polish energy service offering dynamic electricity prices, letting consumers save, track usage.
Tech Stack :
About the project
Pstryk.pl is a platform for electricity consumers in Poland. It offers dynamic pricing so users can pay less for electricity by using it during cheaper hours. Through a mobile app and web portal, customers can track their electricity use, monitor real-time and historical costs, view their carbon footprint, and pay bills with ease. All formalities of switching providers are handled fully online.
Key Features
- Dynamic electricity prices – prices vary within the day; users see rates ahead of time to plan consumption.
- Usage tracking & transparency – tools for seeing current consumption, cost breakdowns, and clean energy indicators.
- Online bills & payments – you can view and pay bills in the app or online.
- Support for prosumers, EV users, households with heat pumps – Pstryk offers options for those with increased energy needs and renewable sources.
Technologies & Responsibilities
The project was built using a modern web stack:
- Next.js & TypeScript – development of dynamic, SEO-friendly web app.
- React Hook Form – advanced form handling with validation.
- Sentry – monitoring, error tracking, and performance analysis.
- REST API & WebSocket integrations – real-time electricity pricing and consumption data.
- Authentication & Payments – secure login, online payments, integration with external providers.
- CI/CD pipelines & cloud deployment – automated builds, tests, and deployments to ensure stability.
I was responsible for:
- Building core user flows (registration, billing, consumption tracking).
- Implementing real-time data visualizations.
- Optimizing performance and SEO.
- Close collaboration with backend team to design efficient API contracts.
Status
The service is operational across Poland, with the mobile app available on iOS and Android. It is positioned as a pioneer of transparent and user-friendly dynamic electricity pricing in the Polish market.