Lukasz Czerwinski
Platform Lead
Experience
Apr 2023 - Mar 2024
1 yearPlatform Lead
stealth Financial Startup
Jan 2021 - Present
3 years 6 months Warsaw, Poland
CTO
EonD
- Jan 2022 - Apr 2023: Full-time.
- 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 & mentorship on tech-related topics.
- When needed, working on the details of the project like code reviews or architecture discussions.
- Apr 2023 - Mar 2024: Part-time.
- Overseeing 1 Django Developer and 1 Tester who worked on maintaining the system and introducing new functionalities.
- Mar 2024 - onwards: New projects.
Sep 2021 - Present
3 years 10 monthsAdvisor
Xfaang
Mar 2021 - May 2021
3 monthsRemote
Python Developer (remote project)
Xfaang
- Project for IMBlox.
- Python
- Django
- A platform for creating and managing chatbots.
Mar 2020 - Sep 2021
1 year 7 monthsSoftware Architect
Xfaang
- Django (Python)
- Node.js
- 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
Mar 2020 - Apr 2021
1 year 2 monthsCore Contributor
Xfaang
- Core contributor to AskQL - the complete query language.
- Created and developed AskScript language.
- Created and developed tools for this language including AskScript parser and AskScript -> AskJSX compiler (transpiler).
Jan 2020 - Jan 2022
2 years 1 month Warsaw, Poland
Technical Advisor / CTO
EonD
- Providing advice on tech-related topics.
- Helping plan a big picture for EonD's technology.
- Managing 2 junior software engineers.
- Code reviews.
- Advising on collaboration with external software agencies and UX design studios.
Feb 2019 - Jul 2019
6 months Warsaw, Poland
Teaching Assistant (part-time)
University of Warsaw
- WWW workshops at one of the best Computer Science faculties in Poland (MIM UW).
- Spring semester, once a week.
Jan 2019 - Mar 2020
1 year 3 months San Francisco, United States
RemoteSenior Software Engineer (remote)
Qordoba
- Note: Qordoba rebranded in 2020 to Writer.
- Main activities: Developing code in Scala backend.
- Creating a JSON file parser.
- Creating new services for parsing & handling requests.
- Reworking a number of services, including the authorization service.
- Designing architecture & APIs for new services.
- My work required both designing new architecture for the new services created and digesting the existing big codebase when making changes.
- People collaboration: Collaborated with frontend engineers, other backend engineers, product managers, devops engineers, and a computational linguist.
- In one of the projects I coordinated work of 2 other people (a Frontend Software Engineer and a Backend Software Engineer).
- Qordoba helps everyone at a company write with the same style, terminology, and brand voice.
- Companies such as Visa, Marriott, Braintree, and Postmates use Qordoba to create better content up to 90% faster than before.
- Qordoba was recognized as a Forbes Cloud100 Rising Star for 2018.
Aug 2018 - Sep 2019
1 year 2 months Warsaw, Poland
Founder
Green Apple
- Green Apple aimed at helping restaurants optimize how they use food in daily processes (food waste, food rework) by providing tools for better food management.
Sep 2017 - Sep 2018
1 year 1 month Poznań, Poland
RemoteCTO (50% remote)
EneGIVE
- EneGIVE is a complete solution for managing chargers for electric cars - from a customer facing app for charging & payments to the backoffice system for automatic invoicing and billing.
- More flexible and cheaper solution to existing products.
- EneGIVE received 2 ScaleUp startup grants.
Sep 2016 - May 2017
9 months Warsaw, Poland
CTO, Co-Founder
MoneyFriend.co
- A chatbot on Facebook Messenger which gives financial advice to young people.
- Participated in acceleration by MIT EF.
- Collaboration with PKO BP (the biggest Polish bank).
- MoneyFriend received a grant from a startup ScaleUp program.
Jan 2015 - Jul 2016
7 months Palo Alto, United States
Co-Founder
Polish Valley Blender (startup meetings)
- Organized tech startup meetings for Polish people living in California as well as Polish startups visiting California.
- Created a unique atmosphere of great networking.
- Invited startup founders, engineers and investors.
Jun 2015 - May 2016
1 year Palo Alto, United States
Software Engineer
Lighthouse AI
- One step closer to my dreams.
- Lighthouse is an intelligent home security camera with high precision threat detection, located in Palo Alto, California.
- Lighthouse grows in Andy Rubin's accelerator (Playground Global, over $200M of financing). In addition to unique, bleeding edge hardware technology, the camera heavily uses computer vision, machine learning and other AI-related technologies.
- During my work in Lighthouse in Palo Alto I developed first version of iOS app (including live video streaming, H264) and internal tools (website/dashboard) for video annotation.
Oct 2014 - Oct 2014
1 month New York, United States
Participant
Visegrad 4 (Google startup event in New York City)
- The event was organized to commemorate the 25th Anniversary of the fall of communism and the 25th Anniversary of the Internet. Presidents of Hungary and Slovakia, the Foreign Minister of the Czech Republic and Polish Undersecretary for the Economy participated in a fireside chat about innovation in Central Europe and in a showcase of the latest innovations from the Visegrad Group’s most promising tech companies.
- Visegrad Group is an alliance of four countries in Central Europe: Poland, Slovakia, Czech Republik and Hungary.
Oct 2013 - Jun 2015
1 year 9 months Mountain View, United States
Software Engineer
- Image Search Quality: improving quality of an image search engine that is known throughout the world, statistical analysis of current results, creating new algorithms for search engine and improving existing ones, programming in C++ and Java, A/B tests, creating internal tools for software engineers, big data processing (Map Reduce), collaboration with many people (software engineers and statistical analysts).
- Image Search Infrastructure: C++, big data processing (Map Reduce).
Mar 2013 - Sep 2013
7 months Warsaw, Poland
Research Software Engineer
ICM Warsaw University
- Developed visualization framework: VisNow.
- Designed and implemented a module which uses a haptic or touch device to control 3D scene in VisNow (rotation, translation, slice etc).
- Advised on design of a new flow of messages in the framework (including problems related to concurrency and big data).
- VisNow is a generic visualization framework in Java technology, developed by Interdisciplinary Centre for Mathematical and Computational Modelling at University of Warsaw.
- It is a modular data flow driven platform enabling users to create schemes for data visualization, visual analysis, data processing and simple simulations.
- Motivated by 'Read and Watch' idea, VisNow shows the data as soon and fast as possible giving further opportunity for processing and more in-depth visualization. In a few steps it can create professional images and movies as well as discover unknown information hidden in datasets.
- Language used: Java.
- Java3D, SensAble Phantom libraries.
- Redmine.
- Sensable PHANTOM haptic device.
Oct 2012 - Feb 2015
2 years 5 months Warsaw, Poland
Manager / Advisor (part-time)
Księgarnia Warszawa (online bookstore)
- Statistical analysis.
- Marketing strategies planning.
- Analyzing competitors, market opportunities and threats.
- Managing a couple of software engineer interns.
- The bookstore operates in Poland.
Sep 2012 - Jan 2013
5 months Warsaw, Poland
Python teacher / Python Handbook author
ICM Warsaw University
- Conducted lessons in Python (Saturdays, twice a month).
- Created a 60-page coursebook with lessons on basics of Python and exercises with various levels of complexity.
May 2012 - Jan 2013
9 months Warsaw, Poland
PHP courses (teacher)
ALX
- Courses in PHP.
- Improving handbook for participants and creating new chapters.
Jul 2011 - Aug 2011
2 months Warsaw, Poland
Principal Web Developer
upload.pl
- Developed a webportal for uploading files.
- PHP5 + MySQL + 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
- Summer school at University of Salford.
- Participants from Polish and Dutch universities collaborating to analyze market, create SWAT report, come up with a startup idea, create a MVP and present it to the participants and marketing teacher.
Jul 2007 - Oct 2014
7 years 4 months Warsaw, Poland
Web Developer (part-time)
Księgarnia Warszawa (online bookstore)
- PHP, MySQL, a bit of JavaScript.
- Created a website for managing orders.
- Enhanced and fixed bugs in a complex website of the bookstore, incl. automatic imports, automatic backups, statistics etc.
- The bookstore operates in Poland.
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.
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.
Languages
Polish
Native
English
Intermediate
German
Elementary
Education
Oct 2010 - Jun 2012
University of Warsaw
Master of Science · Computer Science · Warsaw, Poland
Oct 2008 - Jun 2010
University of Warsaw
Bachelor of Science · Computer Science · Warsaw, Poland
Oct 2007 - Jun 2008
Warsaw University of Technology
Bachelor of Science · Computer Science · Warsaw, Poland
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