Dawid Lazarczyk, Developer in Warsaw, Poland
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Dawid Lazarczyk

Verified Expert  in Engineering

Software Developer

Warsaw, Poland

Toptal member since December 29, 2017

Expertise
C++LinuxCGitPythonDjangoTensorFlowC#HaskellJavajQueryCSSJavaScript
Bio

Davis has a master’s degree in computer science from the University of Warsaw and has interned at many renown international companies as Nvidia, Samsung, and Microsoft. In his career so far, he's worked as a full-stack developer, but he's also passionately interested in computer security.

Portfolio

Nvidia
C
Microsoft
C#
Nvidia
C

Experience

  • C++ - 6 years
  • Linux - 5 years
  • C - 5 years
  • Git - 5 years
  • Vim Text Editor - 5 years
  • Python - 4 years
  • Django - 2 years

Availability

Part-time

Preferred Environment

Vim Text Editor, Git, Linux

The most amazing...

...thing I've developed was a PCB board as part of an IoT project for my master's project. I had to learn hardware design from scratch.

Work Experience

Systems Software Engineering Intern

2016 - 2016
Nvidia
  • Worked on memory management in Linux drivers for CUDA.
  • Debugged kernel-level code.
  • Used the internal tools and frameworks.
Technologies: C

Software Engineering Intern

2016 - 2016
Microsoft
  • Wrote big data scripts for Windows Defender.
  • Optimized big data pipelines.
  • Ran the scripts using tens of terabytes of data.
  • Deployed solutions for production.
  • Used internal tools and frameworks.
  • Learned the advanced features of modern C#.
Technologies: C#

Systems Software Engineering Intern

2015 - 2015
Nvidia
  • Worked on memory management in Linux drivers for CUDA.
  • Wrote kernel-level code for Linux.
  • Became familiar with parts of Linux source code.
  • Used the internal tools and frameworks.
  • Wrote efficient low-level code in C.
Technologies: C

Software Engineering Intern

2014 - 2014
Samsung
  • Optimized the Machine Learning framework using GPU.
  • Developed a framework that simplifies programming on GPU.
  • Created sample applications for Android.
  • Implemented template metaprogramming in C++ to speed up the execution time.
  • Learned OpenCL and the advanced features of C++.
Technologies: C++, OpenCL

Django Developer

2013 - 2013
dcs.pl
  • Created a website in Django for the automatic creation of early versions of websites.
  • Implemented Celery for task management.
  • Learned how to implement code reviews, use git/vim effectively, and the general basics of web development.
Technologies: Python, JavaScript, CSS, jQuery, Django

Experience

HENI

https://www.mimuw.edu.pl/~iwanicki/projects/heni/
As part of my master's thesis, I worked as part of the HENI team. I took care of hardware design of our platform for testing routing algorithms for IoT. I also managed the prototype assembly—choosing the electrical components, testing, and production plans.

Compiler

https://bitbucket.org/xavrin/mrjp-zad2/src
A compiler which is written in Haskell for a Java-like language. The implementation includes tables, structures, objects, IR, optimizations on IR, and generation of assembly (including advanced register allocation).

CNN for Detecting Buildings in Satellite Pictures

https://bitbucket.org/xavrin/dl-zad2/src/
The project implements a convolutional neural network with skip-connections for generating a heat map with buildings for a given input image.

Linux Driver

https://bitbucket.org/xavrin/zso-zad2/src
A Linux driver for a virtual hashing device. Implemented with an advanced and efficient solution using DMA and command queues.

Education

2012 - 2017

Master's Degree in Computer Science

University of Warsaw - Warsaw, Poland

2012 - 2016

Bachelor's Degree in Mathematics

University of Warsaw - Warsaw, Poland

Skills

Libraries/APIs

TensorFlow, jQuery

Tools

Vim Text Editor, Git

Languages

C++, C, Python, C#, Haskell, Prolog, Java, CSS, JavaScript

Frameworks

Django, OpenCL

Paradigms

Functional Programming

Platforms

Linux

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