Jozef
From Slovakia (GMT+2)
24 years of commercial experience
Lemon.io stats
1
projects done0
hours workedOpen
to new offersJozef – Flutter, Objective C, Dart
Jozef is a mature and skilled Mobile Developer experienced in architecting apps. He worked with different technologies and even established his own mobile development company. Throughout the 20+ years of experience, Jozef kept his attitude of a constant learner. Cheerful and easygoing, he will be a valuable addition to any team!
Main technologies
Additional skills
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To be verifiedDirect hire
Potentially possibleExperience Highlights
Flutter Developer / Software Architect / CI/CD Manager
This is a loyalty cards platform in a set of 3 Flutter applications, which are:
- A shopping assistant app for end-users.
- Point of sale for the assistant - an app designed for employees of Karty's clients.
- Dashboard for the assistant - management app for clients (small businesses such as restaurants, gyms, grocery markets, libraries, and e-shops. This app is also available as a web application, made with Flutter web app development.
- Developed 3 Flutter apps;
- Used native Flutter channels for document scanning and barcode scanning;
- Сreated fully automated processes for 3 environments with CI/CD (GitLab);
- Achieved Honorable Mention in Huawei Apps Up 2021 Europe.
Flutter Developer
This app is a social networking app for neighborhoods; the main focus is improving and renewing digital data about local businesses: restaurants, discos, bars, small businesses, events, attractions, and services for T-Mobile MMS clients.
- Implemented pixel-perfect graphics;
- Created dark & light mode for the app;
- Created Mockups for app's data;
- Managed official documentation for BLoC state library;
- Kept local SQLite database synced to backends by using API.
Flutter Developer
Internal application for employee eco motivation. It includes a CO2 emission tracker and calculator based on tracked GPS location.
- Implemented pixel-perfect graphics;
- Used BLoC as state management for a better-organized code;
- Implemented identification of potential location access logic through background location services;
- Facilitated APIs with native Flutter channels.
iOS Developer / CI/CD Manager
This is a Slovakian digital operator. It is a self-care app through which the user can order a SIM card, activate the program, view consumption and payments, or connect to the Mobile Network, which covers more than 97% of the population of Slovakia with a 4G LTE signal.
- Created a brand new application from scratch;
- Worked with 4 environments (flavors/schemes);
- Implemented an advanced face recognition and document scanning;
- Worked with a complex user onboarding;
- Was in charge of writing unit tests;
- Managed CI/CD with the GitLab.
iOS Developer / CI/CD Manager
This is a mobile service that has been in since 2009 in the Slovakia market. Jozef worked under the Customer self-care app. This is a mobile application where customers can have an instant overview of their telephone numbers, consumption, and special offers with the ability to activate packages or top up their credit cards.
- Created a new application based on the old one;
- Implemented new features for 4 environments;
- Developed SwiftUI widgets;
- Was in charge of code reviews.