Flutter Developer

Enton Preneur

Flutter Developer - Mobile Developer

TomTom

Software Engineer

Bike Citizens

Android Lead Developer

BYTEPOETS GmbH

iOS and Android Developer

TU Graz

KNAPP Logistics Automation Inc.

Working on core features of the logistics program
Programming a “save-functionality” for a simulator for logistic centers

Java Developer

Winery Wilhelm

Responsible for the whole process of wine making as well for the
vineyard management
Sales, administration, customer service, marketing

Wine Maker

Don't know where to start with your Flutter app?
Or how to get into Flutter development?

Just shoot me a DM and let's talk about your problem. 



**Behind the scenes**
- I love Rocket League and Counter Strike.
- I used to be a winemaker.
- Super happy when I'm hiking.

Josef Wilhelm

Audo

Senior Software Engineer

PurplePlane

Some accomplishments:

• Implemented declarative navigation and deep links.
• Created interfaces and business logic for money transfer flows.
• Added history of payments and expenses.
• Designed a vast amount of UI Kit widgets, colors, and fonts.
• Mentored developers and helped with onboarding.
• Published to App Store & Google Play.

Some accomplishments:

• Implemented video calls and created a Flutter plugin for Android and iOS that uses native library sources for video calls.
• Created call views, notifications, and call kit on iOS.
• Optimized insufficient network requests and JSON parsing.
• Resolved problems with the local database by replacing get_storage with SQLite.
• Introduced in-app purchases and subscriptions.

Middle Software Engineer

Magnise

Some accomplishments:

• Successfully migrated project to null safety, significantly improving developer experience and system reliability
• Instantiated graphql api and client - server communication
• Designed flexible and easy-to-maintain architecture from the ground
• Refactored communication with bluetooth devices and drastically improved the performance of the connection
• Created the FFI plugin, which wraps the C++ library for low-latency real-time P2P video calls.

Senior Flutter Engineer

HardDays

Some accomplishments:

• Implemented facial recognition for real-time video calling and account creation.
• Reduced application size from 200MB to 68MB.
• Established CI & Fast lane actions to publish applications.
• Reduced startup time by 45%.
• Optimized overall application performance and increased conversion by 25%.

Middle Flutter Developer

Some accomplishments:

• Implemented GraphQL for client-server interactions and applied the BLoC pattern.
• Improved application performance through caching and list refactoring.
• Introduced paid subscriptions and added premium features such as background audio, queuing, and shuffling.
• Added animations - page, fade, size and switch transitions.

Junior Flutter Developer

Contact Information:
Email: michael@lazebny.io
Telegram: @mlazebny

Hi, my name is Michael. I'm a Senior Flutter Developer currently based in Krakow, Poland. I am a versatile T-shaped person with solid expertise in Flutter and related technologies, open source contributor and author of development articles. Looking forward to new professional opportunities.

With over 3 years of commercial experience, I've been involved in various projects of varying size and difficulty, including B2B, Fintech, Social and IoT. I have a solid knowledge of building extensible, supportable and high-performing systems while understanding the business value. I prefer to work as part of a team, but it is also possible for me to work on my own. Focused on results and delivering clean, high-quality code.

taplio

The Battle

Josef Wilhelm

Michael Lazebny

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