Lukasz Czerwinski - Platform Lead

Q: Where is Lukasz based?

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

Q: What languages does Lukasz speak?

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

Q: 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.

Q: What is Lukasz's latest experience?

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

Q: 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 .

Q: Which industries is Lukasz most experienced in?

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

Q: Which business areas is Lukasz most experienced in?

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

Q: Which industries has Lukasz worked in recently?

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

Q: Which business areas has Lukasz worked in recently?

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

Recommended expert

Warsaw, Poland

Experience

Apr 2023 - Mar 2024

1 year

Platform Lead

stealth Financial Startup

Jan 2022 - Present

4 years 2 months

CTO

EonD

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 6 months

Advisor

Xfaang

Mar 2021 - May 2021

3 months

Python Developer

IMBlox via Xfaang

Developed a platform for creating and managing chatbots
Technologies: Python, Django

Mar 2020 - Sep 2021

1 year 7 months

Software Architect

Xfaang

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

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

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

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

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

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

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

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

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

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

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

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

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

Warsaw Bookstore

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

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

Delivered PHP courses
Improved and expanded the handbook for participants

Jul 2011 - Aug 2011

2 months

Warsaw, Poland

Principal Web Developer

upload.pl

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

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

Księgarnia Warszawa

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

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Information Technology (10 years), Retail (7.5 years), Banking and Finance (1.5 years), Education (1.5 years), Food and Beverage (1 year), and Energy (1 year).

Information Technology

Retail

Banking and Finance

Education

Food and Beverage

Energy

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (17.5 years), Product Development (10.5 years), Strategy (8.5 years), Business Intelligence (2.5 years), Marketing (2.5 years), and Operations (1.5 years).

Information Technology

Product Development

Strategy

Business Intelligence

Marketing

Operations

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

Uniwersytet Warszawski / University of Warsaw

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

Oct 2008 - Jun 2010

Uniwersytet Warszawski / University of Warsaw

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

Oct 2007 - Jun 2008

Politechnika Warszawska / Warsaw University of Technology

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

...and 2 more

Profile

Created

June 2024

Last Update

March 2025

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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 (IT), 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 (IT), Product Development, and Strategy and Planning. 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 (IT) and Banking and Finance.

Which business areas has Lukasz worked in recently?

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

What is Lukasz's education?

Lukasz holds a Master in Computer Science from Uniwersytet Warszawski / University of Warsaw, a Bachelor in Computer Science from Uniwersytet Warszawski / University of Warsaw and a Bachelor in Computer Science from Politechnika Warszawska / 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.