Tomasz is available for hire

Tomasz Scislowicz

Verified Expert in Engineering

Xamarin.Forms Developer

Location

Kraków, Poland

Toptal Member Since

May 7, 2020

Tomasz is a passionate .NET and C# developer with good Xamarin skills. He has worked with legacy software written in WinForms and transformed the software to a full-featured WPF solution using C#. His biggest success is an IoT project for remotely controlling things that consisted of a mobile app and the back end in .NET core.

Xamarin.Forms Visual Studio C#C#.NET Windows XAML Arduino .NET Core C++Linux Embedded C++Xamarin Amazon S3 (AWS S3).NET C#.NET WinForms ESP32 GSM Windows Presentation Foundation

Portfolio

Tieto

REST, SQLite, Entity Framework, Xamarin.Forms, Xamarin, C#

Wincan

SQLite, Oracle, Entity Framework, Core, Windows Presentation Foundation (WPF)...

Grape Up

Wix, Autofac, Windows Presentation Foundation (WPF), C#

Experience

C# - 10 years C#.NET - 10 years XAML - 8 years Windows Presentation Foundation (WPF) - 5 years Xamarin.Forms - 4 years ESP32 - 4 years Mobile Apps - 4 years .NET Core - 2 years

Availability

Full-time

Preferred Environment

Xamarin.Forms, Core, ESP32, Xamarin, C#, Windows

The most amazing...

...thing I've created is an IoT smart home system that includes firmware, back end, and a Xamarin mobile app that allows to control and monitor hardware appliances

Work Experience

Senior .NET Developer

2019 - 2020

Tieto

Worked on Xamarin mobile applications that were related to smart electricity meters.
Tracked and fixed bugs that were important for the next release of the customer application.
Designed user stories and refined them with team.

Technologies: REST, SQLite, Entity Framework, Xamarin.Forms, Xamarin, C#

Senior .NET Developer

2018 - 2019

Wincan

Created a tool for merging two or more databases into a single one using EF core and graph algorithms.
Implemented video player inside of the app for displaying videos that were stored in projects.
Improved performance of the company's system by redesigning database queries and caching items.

Technologies: SQLite, Oracle, Entity Framework, Core, Windows Presentation Foundation (WPF), Windows Forms (WinForms), C#, GStreamer, Video Streaming

C#/.NET Developer

2015 - 2018

Grape Up

Developed a few key features for the communication platform based on WPF/XAML.
Refactored the configuration process from legacy code to state machine based, easy to reuse flow.
Improved performance of the application by finding hot spots and rewriting them so that they executed faster.
Created an internal tool that helped developers from my team avoid repetitive tasks.

Technologies: Wix, Autofac, Windows Presentation Foundation (WPF), C#

C++ Developer

2014 - 2015

Delphi Automotive (Aptiv)

Designed CAN communication browser for car ECU components in C# WPF/XAML.
Worked on test suite which aimed to detect problems in the car firmware.
Designed simple internal tools that were helpful for my team members.

Technologies: Windows Presentation Foundation (WPF), C#, AUTOSAR, C++

Experience

Thingify

https://github.com/ThingifyIOT/ThingifyEsp

An IoT system that consists of a mobile app, back-end software, and firmware for esp8266/esp32 based devices that enables you to control your home appliances like lights or sockets remotely! It also supports monitoring and collecting information from sensors and implements a few useful features like over-the-air firmware upgrades and sharing things with your friends or family.

CaliDiagram

https://github.com/toomasz/CaliDiagram

I was the diagram/graph designer for the WPF build on Caliburn.Micro framework.
This project was supposed to be only for CaliDiagram library but it slowly evolved into a visualization of any actor system. The current goal is to provide a solution that would help to develop and visualize newly distributed algorithms more easily.

Education

2013 - 2015

Master of Engineering Degree in Computer Science - Engineering of Intelligent Systems

AGH University of Science and Technology - Kraków, Poland

2010 - 2013

Bachelor of Engineering Degree in Computer Science

AGH University of Science and Technology - Kraków, Poland

Skills

Languages

C#, C#.NET, XAML, C++, Embedded C++

Frameworks

.NET, Windows Presentation Foundation (WPF), .NET Core, GStreamer

Tools

Visual Studio .NET, Visual Studio, C#.NET WinForms, Autofac, Wix

Platforms

Windows, Arduino, Xamarin, Linux, Microsoft, Oracle, CentOS 6

Other

SOLID Principles, Forms, Xamarin.Forms, ESP32, Mobile Apps, GSM, Video Streaming, Electronics, Core, AUTOSAR

Storage

Amazon S3 (AWS S3), SQLite

Libraries/APIs

Windows Forms (WinForms), Entity Framework, Xamarin.Android, SendGrid API

Paradigms

REST

Industry Expertise

Automotive

Collaboration That Works

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