CKSOURCE - Key Persons


Aaron Melick

Job Titles:
  • Senior Account Executive
Combining creativity with technical skills is what I love about programming. Besides my job, my passions are music, tabletop games, and video games.

Adam Richter

Job Titles:
  • Software Engineer
I am a software engineer passionate about cloud. I enjoy many sport disciplines such as running, swimming, football, squash or standup paddle-boarding.

Adrian Kruszewski

Job Titles:
  • Team Leader
Playing the accordion is my hobby. Just kidding. I've never played the accordion in my life, but it looks and sounds kinda interesting. I like to compose music. Not that I'm any good at it, but it gives me lots of fun!

Adrian Suzdorf

Job Titles:
  • Frontend Developer
When I don't code, I expand my knowledge of computer microarchitecture and security. In my spare time I like hiking, swimming and learning foreign languages.

Aldona Cupiał-Woźniak

Job Titles:
  • Customer Services Specialist
Snowboarding is my passion. I make sure to have at least one winter trip a year. In the summer, I often go sailing on the Masurian Great Lakes. I like to be up-to-date with modern web technologies.

Aleksander Kicior

Job Titles:
  • Senior Account Manager
In my free time I enjoy watching football, mostly Premier League, and exploring electronic music.

Aleksander Nowodziński

Job Titles:
  • Senior Staff Engineer
I love all sorts of gaming, card games in particular.

Aleksandra Mroczek

Job Titles:
  • HR Specialist
I am completely in love with sports and American culture. I spend a lot of playing basketball, working out at the gym, and planning my next trip to the USA. Trying to be the best daddy for my son!

Alla Tolstaja

Job Titles:
  • Financial System Integration Analyst
Fan of animals, cooking, music, NBA, board games, raves and random wikipedia articles.

Aneta Stadnik

Job Titles:
  • Financial Analyst
I am a multi-talented front-end web developer with a background in graphics and typography. I am fascinated by car design and space exploration. I also enjoy sci-fi books and a good movie.

Anna Piasecka

Job Titles:
  • QA Engineer
I am a graphic designer and an art enthusiast. I love travelling, working out and watching good films.

Arkadiusz Filipczak

Job Titles:
  • Staff Engineer / Team Leader
I like snowboarding, motorcycling and designing nice things.

Bartek Biedrzycki

Job Titles:
  • Technical Writer
I sew and design clothes and accessories. I love to complete those small projects that I set for myself. Moreover, I am addicted to books, mainly thrillers.

Bartosz Czerwonka

Job Titles:
  • Director of Engineering
I'm interested in new web technologies, IoT and automation. Outside the desk area, my free time is divided between shooting range, swimming, diving, snowboarding and riding my motorcycle.

Bartosz Młotek

Job Titles:
  • Software Engineer
I'm interested in all things related to web development and I especially enjoy pretty and functional UX. I read books (mostly fantasy and science fiction), play video games, and ride my longboard in my free time.

Bartosz Putek

Job Titles:
  • Software Engineer
Watching an interesting movie and eating tasty food - that's what I call a perfect evening. I am also keen on many exercise activities so you can find me in the gym as well. Frontend Developer by day, sleeping at night.

Bartłomiej Ciołek

Job Titles:
  • Software Engineer
I am interested in people and their stories. When not working I like exploring nature and fermenting stuff.

Dagmara Dziedzic

Job Titles:
  • Senior Product Designer
I am software engineer focused on business value delivery, I'am also team player, I like to create products with great people.

Damian Klimczak

Job Titles:
  • Renewal Specialist

Daniel Jadczak

Job Titles:
  • Senior Software Engineer
I enjoy spending time in nature, especially mountains. I also like to travel and explore new cities. One of my passions is photography and having fun with my amazing dog Lumi ;)

Dariusz Jarzębski

Job Titles:
  • Senior Software Engineer
Apart from being interested in new technologies, I am focused mainly on playing drums and making music.

Dawid Kossowski

Job Titles:
  • Senior Software Engineer
  • Team Leader
I like problem-solving - the harder the better! Love to spend time with my family and sometimes I go on runs to refresh my mind.

Dawid Olszewski

Job Titles:
  • Software Engineer
I enjoy holidays at the Mediterranean Sea (and the food!), hiking & biking, tennis & swimming, cooking & eating, and I collect old-school video games.

Dawid Pawłowski

Job Titles:
  • Senior Staff Engineer / Team Leader
My hobbies are gardening, reading books and all sorts of sport activities like biking, skiing and swimming. I love to try new things.

Dominik Szczepaniak

Job Titles:
  • Senior Software Engineer
I enjoy many things and activities. Games, music, crosswords, football, hiking, cooking... And of course programming!

Dorota Malec

Job Titles:
  • Customer Success Manager
Problem solving and seeking improvements are one my favourite activities. In spare time I enjoy running and playing electric guitar. I also love mountains and riding a motorcycle.

Ewelina Buczyńska

Job Titles:
  • Head of HR & Administration
I can spend hours on interior design and old photographs of Warsaw. I'm fascinated with people - their motivations, emotions and behaviour (which perhaps explains my love for deep drama movies).

Filip Sobol

Job Titles:
  • Senior Software Engineer
Professionally, I love finding the perfect employees. Privately, I love taking photos, and traveling.

Filip Tokarski

Job Titles:
  • QA Engineer / Customer Solution Engineer

Grzegorz Czepiec

Job Titles:
  • Business Development Representative
Avid fan of cycling, video games and building / painting little (and not so little) plastic toy soldiers.

Hanna Dąbrowska

Job Titles:
  • Junior Graphic Designer
Connecting people with their dream jobs by day, watching sitcoms, and dreaming of cats by night.

Illia Sheremetov

Job Titles:
  • Software Engineer
I recharge my batteries by biking or mountain hiking. As for static activities I enjoy reading books, playing games (video and board), watching popular science, tech, and travel channels on YouTube, or watching some sports with an emphasis on Formula 1.

Iwona Markowska

Job Titles:
  • Manager of Accounting & Finance
Professionally, I like to solve challenging problems. In my family time (3 kids on board :)), I love to play with my kids and visit new places with them. During my own bits, I prefer to consume quality books and podcasts.

Izabela Niedbalska

Job Titles:
  • Talent Acquisition Specialist
I enjoy everyday life, watching all kinds of sports. I've been crazy about the English Premier League since I was a kid. I'm also fascinated by the culture of the Far East.

Jacek Bogdański

Job Titles:
  • Engineering Manager
American Studies major, I spend most of my time listening to newschool rap, playing video games, reading legal thrillers, and catching up on cinema. I also enjoy traveling, English football and food. Aside from that, I pet dogs and do sports such as boxing.

Jakub Klatt

Job Titles:
  • Junior QA Engineer

Jakub Pamuła

Job Titles:
  • Software Engineer
Hopeless airhead, proud dog mom and tasty food enjoyer. Likes making things look great either by creating/fixing them or pointing the not working parts to others :)

Jan-Kanty Pawelski

Job Titles:
  • Senior Software Engineer

Kacper Betański

Job Titles:
  • Software Engineer / DevOps
I am a web developer who entered the profession several years ago. Before that, I used to work as a researcher in organic chemistry. In my spare time I enjoy photography, taking care of my plants, and tasting craft beer.

Kacper Tomporowski

Job Titles:
  • Engineering Manager
  • QA Team Leader
Cars are at the top of my mind! Going to car shows, working on cars, reading about new car models, it's all about the cars! I also enjoy fishing even though I didn't have much time for it in recent years.

Kamil Piechaczek

Job Titles:
  • Senior Software Engineer
  • Team Leader
In my spare time I like to play the guitar, go for a walk or read good books. Sometimes I go to concerts or other events.

Karol Dawidziuk

Job Titles:
  • Software Engineer
Automatization doer and infrastructure builder. Bass guitar player with weakness to distorted sounds.

Karolina Schild

Job Titles:
  • Junior QA Engineer

Karolina Ziętal

Job Titles:
  • Sales Operations Administrator
  • Senior Sales Ops Administrator
CKSource offers a considerable number of challenges to solve each day. Would you like to try solving them?

Kuba Niegowski

Job Titles:
  • Senior Staff Engineer
In my free time I enjoy indoor climbing, watching motorsports and reading books.

Ludwika Słowikowska

Job Titles:
  • Head of Customer Services
I'm interested in web security, I also love gothic and metal music and... riding fast on my motorcycle.

Maciej Budniakiewicz

Job Titles:
  • Accountant

Maja Marcinkowska

Job Titles:
  • Senior Account Executive
My biggest passion is traveling. I am constantly looking for new destinations and trekking routes. When I am not traveling I enjoy going to concerts, music festivals and theatre with my friends, recently I started attending salsa classes.

Marcel Mróz

Job Titles:
  • Junior QA Engineer

Marcin Dusza

Job Titles:
  • Senior Product Manager
I'm someone who loves to explore new places, geek out over the latest tech trends, stay fit at the gym, and groove to EDM music. In my downtime, you'll find me immersed in gripping crime books and TV series.

Marcin Panek

Job Titles:
  • Software Engineer
I am interested in computer science and engineering. I spend my free time contributing to Open Source and I am going to create my own js library. Also, I am passionate about creating music.

Marcin Trojanowski

Job Titles:
  • Graphic Designer
Cat lover and former chess player. Kinda addicted to Spotify and Netflix. I also have a great interest in the Rust Programming Language and math, and I do enjoy reading fantasy books.

Mariusz Brylowski

Job Titles:
  • Junior QA Engineer
I am a great fan of cooking and baking - give me flour and sugar and let me turn it into something delicious. I also love creativity, therefore I write and create my own podcast in my free time.

Marta Motyczyńska

Job Titles:
  • Software Engineer
Addicted to good coffee, in my free time I enjoy traveling and watching old movies. Cannot image life without coding and football.

Marta Stryżko

Job Titles:
  • Office Manager
Coding is my life for some time. It is all I want to do and mostly it is all I think about. Sometimes I even dream up solutions to problems that occur. I also like to play board and computer games, read books, cook or just spend some time with my family.

Martyna Wierzbicka

Job Titles:
  • Customer Support Coordinator

Mateusz Gorzeliński

Job Titles:
  • Junior Software Engineer
Music is my greatest passion. I'm not just a listener, I can play guitar, piano, and sax. Besides that I'm interested in geopolitics, economics, and the stock market.

Mateusz Pytel

Job Titles:
  • Senior Software Engineer
  • Team Leader
Optimist, music, memes and cat lover who's always fond of new experiences, knowledge, and meeting new people.

Michał Bilik

Job Titles:
  • Junior QA Engineer
I made PhD in Communication and Media Studies. I love traveling and discovering new places. To relax, I knit, rollerblade or play video games.

Michał Błaszczyński

Job Titles:
  • Renewal Specialist
I'm passionate about playing video games competitively, traveling to tournaments, and meeting contenders from around the world. To unwind I enjoy learning about new technologies and playing in VR.

Michał Hartwich

Job Titles:
  • Engineering Manager
I like cycling, memes, and rock&metal music. If it were possible, I would solve any problem with a little bit of code.

Michał Malik

Job Titles:
  • Staff Engineer
I like reading crime novels and competing in any strategic games - especially tournament poker.

Michał Remiszewski

Job Titles:
  • Software Engineer
I learn new things daily, explore new fields of knowledge, rummage around the web, theorize, and analyze too much. If I do not study and consume media (or coffee), I probably work out, walk, watch memes or think hard about cognitive biases.

Mikołaj Sawicki

Job Titles:
  • QA Engineer
Solely committed to developing modern, friendly and maintainable websites. Paving the way towards better UI ecosystem, from a living style-guide to a design system. In my free time I am a dedicated gardener and an outdoor activities passionate.

Monika Zajączkowska

Job Titles:
  • Senior Finance Specialist
I love getting lost in art galleries and streets. I like to critique films & tv shows and I'm obsessed with painting.

Natalia Stachowicz

Job Titles:
  • HR Business Partner
  • HR Manager
I'm a coding enthusiast interested especially in web technologies, but besides that I enjoy reading about astronomy and space exploration. Already after the first meeting, I knew that CKSource is a bull's eye! The recruitment process was very smooth. I found a lot of interesting challenges here. I think CKSource is a great place for independent and creative people who value great communication with colleagues.

Patryk Miszczak

Job Titles:
  • Senior Software Engineer
I am a fan of Tarantino's movies and enthusiast of coding.

Paweł Smyrek

Job Titles:
  • Senior Software Engineer
I'm a fan of post-apocalyptic SF, Clive Cussler books, Friends TV series and steam locomotives. I also love cooking for my friends.

Paweł Wiaderny

Job Titles:
  • Technical Product Owner

Piotr Koszuliński

Job Titles:
  • Director of Engineering
I'm a prog-rock enthusiast and a bass player. When I'm tired being a rock-star I just go outside and take photos.

Piotr Mazurek

Job Titles:
  • Software Engineer II / Accountant With a Passion for Computer Games

Piotr Szczęśniak

Job Titles:
  • Software Engineer
There is never too much adrenaline in my life. I like offroad in any edition. I am intrested in zoopsychology and interior design. I am intrigued by surrealist painting, especially Beksiński. In my free time, I walk dogs from the shelter. I love autum in the Bieszczady Mountains and faling asleep to crime podcasts.

Przemysław Rak

Job Titles:
  • IT Operations Manager
I am an active person who enjoys making sports especially Les Mills programs. I am also a fun of Spain: cuisine, culture, language. I spend there me free time discovering new areas of this hot country.

Przemysław Zań

Job Titles:
  • Software Engineer
I like to learn new things. I love watching and playing volleyball. In my spare time, I like to swim or read books, especially biographies.

Radosław Potyka

Job Titles:
  • Software Engineer
A natural-born optimist. Fond of people & their endless creativity which makes living so sweet and unforgettable experience. In love with sunrises and sundowns. Love Moomins, particularly The Groke for its sheer inner beauty and true uniqueness :-) Coffee? Yes, please! & Italian gelato per favore - sempre!

Rafał Stalewski - VP of Sales

Job Titles:
  • Head of Sales
I'm interested in web technologies and graphic design, but besides that my biggest passion is music. I play guitar and sing. I'm in the process of creating new band with my friends. I also love basketball.

Robert Mikołajuk

Job Titles:
  • Senior Staff Engineer
I love programming of course but I also like to play basketball, and recently I'm creating some projects using Arduino.

Sebastian Domas

Job Titles:
  • Senior Software Engineer / DevOps
I'm interested in history and programming of course! Most of my free time I spend on long bike trips.

Seweryn Markowicz

Job Titles:
  • Software Engineer
I love going for a walk with my favorite audiobooks Big fan of Geralt of Rivia and his adventures My biggest passion is meeting new people because they are the factor which makes life beautiful

Stanisław Dudzik

Job Titles:
  • Software Engineer

Szymon Cofalik

Job Titles:
  • Principal Engineer
In my spare time, I go outside to enjoy sports. And I'm always searching for some fresh music.

Szymon Gebler

Job Titles:
  • Software Engineer
I enjoy running and playing instruments. I like reading, especially about healthy eating and psychology. I'm also a huge fan of Minecraft :D

Sławomir Greczyn-Czereśniowski

Job Titles:
  • Senior Software Engineer
I mostly enjoy mountain hiking and climbing. In my spare time I'm reading fantasy books and trying out functional paradigm languages like Elixir.

Tomasz Barcik

Job Titles:
  • Renewal Specialist
It's probably not surprising that I like testing (or actually still learning how to do this :D). I also enjoy listening to audiobooks and learning about various topics, such as space exploration, linguistics, animals or indoor climbing techniques.

Tomasz Jakut

Job Titles:
  • Senior Software Engineer

Wiktor Walc - President

Job Titles:
  • Chief Product Officer
  • President
I'm fond of cycling, tennis, fussball and listening to metal bands.

Witold Socha

Job Titles:
  • Technical Product Owner
What I enjoy the most is interacting with people, outdoor activities, reading and mountain biking.

Wojciech Kukowski

Job Titles:
  • Software Engineer
Passionate about debugging and problem-solving. I like watching movies and listening to music (I'm a big fan of black metal!).

Wojciech Łukasik

Job Titles:
  • Software Engineer
I love to run and travel, especially when I can do both together. When I'm not on the move, I'm singing in a choir, figuring out the technical side of cooking, or keeping up with the newest tech.

Łukasz Datkowski

Job Titles:
  • Frontend Developer / UX Designer / Writer of All Trades, Master of Some

Łukasz Grądzki

Job Titles:
  • Team Leader
I'm an electronic music enthusiast. In my spare time, I like cycling, reading books, watching good movies, and learning new stuff.

Łukasz Gudel

Job Titles:
  • QA Engineer