Lukasz Czerwinski-Platform Lead
Check rate
Experience
Platform Lead
stealth Financial Startup
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
Advisor
Xfaang
Python Developer
IMBlox via Xfaang
- Developed a platform for creating and managing chatbots
- Technologies: Python, Django
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
Core Contributor
AskQL
- Created and developed AskScript language
- Built tools for the language:
- AskScript parser
- AskScript → AskJSX compiler (transpiler)
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
Teaching Assistant
University of Warsaw
- Conducted weekly WWW workshops at the Faculty of Mathematics, Informatics and Mechanics (MIM UW) during the spring semester
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
Founder
Green Apple
- Aimed at helping restaurants optimize food use in daily processes (food waste, food rework)
- Provided tools for better food management
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
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
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
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
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
Software Engineer
- 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)
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
Manager / Advisor
Księgarnia Warszawa
- Performed statistical analysis
- Planned marketing strategies
- Analyzed competitors, market opportunities and threats
- Managed software engineer interns
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
PHP Courses Teacher
ALX
- Delivered PHP courses
- Improved and expanded the handbook for participants
Principal Web Developer
upload.pl
- Developed a web portal for uploading files using PHP5, MySQL and jQuery
- Collaborated with a UI designer
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
Web Developer
Warsaw Bookstore
- 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.
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.
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
Education
University of Warsaw
Master of Science, Computer Science · Computer Science · Warsaw, Poland
University of Warsaw
Bachelor of Science, Computer Science · Computer Science · Warsaw, Poland
Warsaw University of Technology
Bachelor of Science, Computer Science · Computer Science · Warsaw, Poland
Statistics
Experience
Global experience
Expertise
Qualifications
Profile
Frequently asked questions
Have questions? Find more information here.
Lukasz is based in Warsaw, Poland and can operate in on-site, hybrid, and remote work models.
Lukasz speaks the following languages: Polish (Native), English (Advanced), German (Elementary).
Lukasz has at least 19 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 10 months. Note that Lukasz may not have shared all experience and actually has more experience.
Based on recent experience, Lukasz would be well-suited for roles such as: Platform Lead, CTO, Advisor.
Lukasz's most recent position is Platform Lead at stealth Financial Startup.
In recent years, Lukasz has worked for stealth Financial Startup, EonD, and Xfaang.
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.
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.
Lukasz has recently worked in industries like Information Technology and Banking and Finance.
Lukasz has recently worked in business areas like Information Technology, Product Development, and Strategy.
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.
The availability of Lukasz needs to be confirmed.
Daily rate distribution
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Average rates for similar positions
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The average daily rate is the mean of all daily rates from recent contracts of comparable freelancers on our platform.
The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.
Calculated based on our freelancers’ daily rates as of 25 Aug 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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