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Lukasz Czerwinski

Platform Lead

Lukasz Czerwinski
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Warsaw, Poland

Experience

Apr 2023 - Mar 2024
1 year

Platform Lead

stealth Financial Startup

Expertise details
Position Summary
Platform Lead at stealth Financial Startup
Industries
Banking and Finance
Business Areas
Information Technology
Product Development
Jan 2022 - Present
4 years 3 months

CTO

EonD

Expertise details
Position Summary
CTO at EonD
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Ownership on the software creation process
  • Overseeing and mentoring a team of 11 people, including software engineers, data scientists, a tester, a product owner, a graphic designer, a scrum master
  • Setting a big picture for EonD's technology
  • Making decisions on hiring engineers and other members of a tech/product team
  • Providing advice and mentorship on tech-related topics
  • Working on the details of the project like code reviews or architecture discussions
Sep 2021 - Present
4 years 7 months

Advisor

Xfaang

Expertise details
Position Summary
Advisor at Xfaang
Industries
Information Technology
Business Areas
Strategy
Mar 2021 - May 2021
3 months

Python Developer

IMBlox via Xfaang

Expertise details
Position Summary
Python Developer at IMBlox via Xfaang
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Developed a platform for creating and managing chatbots
  • Technologies: Python, Django
Mar 2020 - Sep 2021
1 year 7 months

Software Architect

Xfaang

Expertise details
Position Summary
Software Architect at Xfaang
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Created AskQL, a new programming language combining Typescript and GraphQL
  • Developed an efficient and robust e-learning platform for one of the biggest consulting companies in the world
  • Technologies: Django (Python), Node.js
Mar 2020 - Apr 2021
1 year 2 months

Core Contributor

AskQL

Expertise details
Position Summary
Core Contributor at AskQL
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Created and developed AskScript language
  • Built tools for the language:
  • AskScript parser
  • AskScript → AskJSX compiler (transpiler)
Jan 2020 - Jan 2022
2 years 1 month

Technical Advisor / CTO

EonD

Expertise details
Position Summary
Technical Advisor / CTO at EonD
Industries
Information Technology
Business Areas
Information Technology
Product Development
Strategy
  • Providing advice on tech-related topics
  • Helping plan a big picture for EonD's technology
  • Managing 2 junior software engineers
  • Conducting code reviews
  • Advising on collaboration with external software agencies and UX design studios
Feb 2019 - Jul 2019
6 months
Warsaw, Poland

Teaching Assistant

University of Warsaw

Expertise details
Position Summary
Teaching Assistant at University of Warsaw
Industries
Education
Business Areas
Research and Development
  • Conducted weekly WWW workshops at the Faculty of Mathematics, Informatics and Mechanics (MIM UW) during the spring semester
Jan 2019 - Mar 2020
1 year 3 months
United States

Senior Software Engineer

Writer

Expertise details
Position Summary
Senior Software Engineer at Writer
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Developed Scala backend code, including creating a JSON file parser, new services for parsing and handling requests, reworking services including the authorization service
  • Designed architecture and APIs for new services
  • Collaborated with frontend engineers, backend engineers, product managers, DevOps engineers and a computational linguist
  • Coordinated work of a frontend and a backend software engineer
Aug 2018 - Sep 2019
1 year 2 months
Warsaw, Poland

Founder

Green Apple

Expertise details
Position Summary
Founder at Green Apple
Industries
Food and Beverage
Business Areas
Operations
Sustainability Management
  • Aimed at helping restaurants optimize food use in daily processes (food waste, food rework)
  • Provided tools for better food management
Sep 2017 - Sep 2018
1 year 1 month
Poznań, Poland

CTO

EneGIVE

Expertise details
Position Summary
CTO at EneGIVE
Industries
Energy
Business Areas
Information Technology
Product Development
  • Managed a complete solution for managing chargers for electric cars, from customer-facing app for charging and payments to backoffice system for automatic invoicing and billing
  • Delivered a more flexible and cheaper solution compared to existing products
  • Secured 2 ScaleUp startup grants
Sep 2016 - May 2017
9 months
Warsaw, Poland

CTO, Co-Founder

MoneyFriend.co

Expertise details
Position Summary
CTO, Co-Founder at MoneyFriend.co
Industries
Banking and Finance
Business Areas
Information Technology
Product Development
  • Built a chatbot on Facebook Messenger that provides financial advice to young people
  • Participated in acceleration by MIT Enterprise Forum
  • Collaborated with PKO BP, the biggest Polish bank
  • Received a grant from a startup ScaleUp program
Jan 2016 - Jul 2016
7 months
Palo Alto, United States

Co-Founder

Polish Valley Blender

Expertise details
Position Summary
Co-Founder at Polish Valley Blender
Industries
Information Technology
Business Areas
Operations
  • Organized tech startup meetings for Polish people living in California and visiting Polish startups
  • Created a networking atmosphere by inviting startup founders, engineers and investors
Jun 2015 - May 2016
1 year
Palo Alto, United States

Software Engineer

Lighthouse AI

Expertise details
Position Summary
Software Engineer at Lighthouse AI
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Developed the first version of the iOS app including live video streaming (H264)
  • Built internal tools (website/dashboard) for video annotation
  • Technologies: computer vision, machine learning, AI-related technologies
Oct 2014 - Oct 2014
1 month
New York, United States

Participant

Visegrad 4

Expertise details
Position Summary
Participant at Visegrad 4
Industries
Information Technology
Business Areas
Information Technology
  • Attended a Google startup event commemorating the 25th anniversaries of the fall of communism and the Internet
  • Participated in fireside chat with Central European leaders on innovation and in a showcase of tech companies from the Visegrad Group
Oct 2013 - Jun 2015
1 year 9 months
Mountain View, United States

Software Engineer

Google

Expertise details
Position Summary
Software Engineer at Google
Industries
Information Technology
Business Areas
Information Technology
  • Improved quality of images.google.com through statistical analysis, new and improved search algorithms
  • Programmed in C++ and Java, conducted A/B tests and built internal tools for engineers
  • Processed big data using MapReduce
  • Contributed to image search infrastructure (C++, big data processing, MapReduce)
Mar 2013 - Sep 2013
7 months

Research Software Engineer

ICM Warsaw University

Expertise details
Position Summary
Research Software Engineer at ICM Warsaw University
Industries
Education
Business Areas
Product Development
Research and Development
  • Developed the visualization framework VisNow
  • Designed and implemented a module for haptic or touch device control of 3D scenes (rotation, translation, slicing)
  • Advised on design of a new message flow in the framework addressing concurrency and big data
  • Technologies: Java, Java3D, SensAble Phantom libraries, Redmine
Oct 2012 - Feb 2015
2 years 5 months
Warsaw, Poland

Manager / Advisor

Księgarnia Warszawa

Expertise details
Position Summary
Manager / Advisor at Księgarnia Warszawa
Industries
Retail
Business Areas
Business Intelligence
Marketing
Strategy
  • Performed statistical analysis
  • Planned marketing strategies
  • Analyzed competitors, market opportunities and threats
  • Managed software engineer interns
Sep 2012 - Jan 2013
5 months

Python Teacher / Python Handbook Author

ICM Warsaw University

Expertise details
Position Summary
Python Teacher / Python Handbook Author at ICM Warsaw University
Industries
Education
Business Areas
Information Technology
  • Conducted Python lessons twice a month on Saturdays
  • Created a 60-page coursebook with basic Python lessons and exercises of varying complexity
May 2012 - Jan 2013
9 months
Warsaw, Poland

PHP Courses Teacher

ALX

Expertise details
Position Summary
PHP Courses Teacher at ALX
Industries
Education
Business Areas
Information Technology
  • Delivered PHP courses
  • Improved and expanded the handbook for participants
Jul 2011 - Aug 2011
2 months
Warsaw, Poland

Principal Web Developer

upload.pl

Expertise details
Position Summary
Principal Web Developer at upload.pl
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Developed a web portal for uploading files using PHP5, MySQL and jQuery
  • Collaborated with a UI designer
Jul 2009 - Jul 2009
1 month
Manchester, United Kingdom

Summer School Participant

Building Bridges Between Business and Computer Sciences

Expertise details
Position Summary
Summer School Participant at Building Bridges Between Business and Computer Sciences
Industries
Information Technology
Business Areas
Business Intelligence
Product Development
Strategy
  • Collaborated with participants from Polish and Dutch universities to analyze market, create SWOT report, develop a startup idea, create an MVP and present it to peers and instructors
Jul 2007 - Oct 2014
7 years 4 months
Warsaw, Poland

Web Developer

Warsaw Bookstore

Expertise details
Position Summary
Web Developer at Warsaw Bookstore
Industries
Retail
Business Areas
Information Technology
  • Developed PHP, MySQL and JavaScript solutions including a website for managing orders
  • Enhanced and fixed bugs in a complex website with automatic imports, backups and statistics

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Retail, Banking and Finance, Education, Food and Beverage, and Energy.

Information Technology
Retail
Banking and Finance
Education
Food and Beverage
Energy
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Product Development, Strategy, Business Intelligence, Marketing, and Operations.

Information Technology
Product Development
Strategy
Business Intelligence
Marketing
Operations
Profile match chart

Summary

As an experienced startup CTO, tech lead, software architect, and senior backend software engineer, I am passionate about building new projects and leading high-performing teams.

Currently, I am seeking a position as a Chief Technology Officer (CTO) or Director of Software Engineering in a fast-growing small to medium-sized company. My ideal goal would be to build and manage a remote or hybrid team of teams (15-40 people in total).

In my recent role, I led a team of 10+ people to develop a web platform for recruiting experts, which included AI algorithms for faster matching candidates with projects. I am well-versed in the latest technologies and thrive on working with talented individuals who share my commitment to continuous improvement. I am also eager to mentor team members and help them reach their full potential.

With my extensive background in algorithms and data structures, as well as my experience building products from scratch, I possess a unique combination of skills that enable me to navigate complex technical challenges while also understanding the business aspects of projects. Having worked remotely since 2016, I'm comfortable and effective in a distributed team environment.

If you are looking for a seasoned technology professional with a passion for building innovative solutions and leading high-performing teams, I am eager to connect with you.

Skills

  • Software Engineering Practices
  • Jira
  • Team Management

Languages

Polish
Native
English
Advanced
German
Elementary

Education

Oct 2010 - Jun 2012

University of Warsaw

Master of Science, Computer Science · Computer Science · Warsaw, Poland

Oct 2008 - Jun 2010

University of Warsaw

Bachelor of Science, Computer Science · Computer Science · Warsaw, Poland

Oct 2007 - Jun 2008

Warsaw University of Technology

Bachelor of Science, Computer Science · Computer Science · Warsaw, Poland

...and 2 more

Statistics

Experience

Total positions 23
Experience in Information Technology 10 y
Avg length 1 y 5 m
Longest experience 7 y 3 m

Global Experience

Countries worked in 3 (Poland, United States, United Kingdom)
Primary country Poland

Expertise

Recent roles Platform Lead, CTO, Advisor
Main industries Information Technology, Retail, Banking and Finance
Main business areas Information Technology, Product Development, Strategy

Qualifications

Highest degree Master

Profile

Created
Last Update
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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Lukasz based?

Lukasz is based in Warsaw, Poland and can operate in on-site, hybrid, and remote work models.

What languages does Lukasz speak?

Lukasz speaks the following languages: Polish (Native), English (Advanced), German (Elementary).

How many years of experience does Lukasz have?

Lukasz has at least 18 years of experience. During this time, Lukasz has worked in at least 21 different roles and for 20 different companies. The average length of individual experience is 1 year and 9 months. Note that Lukasz may not have shared all experience and actually has more experience.

What roles would Lukasz be best suited for?

Based on recent experience, Lukasz would be well-suited for roles such as: Platform Lead, CTO, Advisor.

What is Lukasz's latest experience?

Lukasz's most recent position is Platform Lead at stealth Financial Startup.

What companies has Lukasz worked for in recent years?

In recent years, Lukasz has worked for stealth Financial Startup, EonD, Xfaang, IMBlox via Xfaang, and AskQL.

Which industries is Lukasz most experienced in?

Lukasz is most experienced in industries like Information Technology, Retail, and Banking and Finance. Lukasz also has some experience in Education, Food and Beverage, and Energy.

Which business areas is Lukasz most experienced in?

Lukasz is most experienced in business areas like Information Technology, Product Development, and Strategy. Lukasz also has some experience in Business Intelligence, Marketing, and Operations.

Which industries has Lukasz worked in recently?

Lukasz has recently worked in industries like Information Technology and Banking and Finance.

Which business areas has Lukasz worked in recently?

Lukasz has recently worked in business areas like Information Technology, Product Development, and Strategy.

What is Lukasz's education?

Lukasz holds a Master in Computer Science from University of Warsaw, a Bachelor in Computer Science from University of Warsaw and a Bachelor in Computer Science from Warsaw University of Technology.

What is the availability of Lukasz?

Lukasz is immediately available part-time for suitable projects.

What is the rate of Lukasz?

Lukasz's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Lukasz?

To hire Lukasz, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

600
450
300
150
Rate comparison chart
Market avg: 440-600 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.