Our speakers

Katarzyna Derenda

Katarzyna Derenda

Product portfolio manager at Spartez. Powered by family & friends, theatre, British comedy, and swimming. An avid reader. Currently consuming content on linguistics and history. Previously leading the international roll-out of an edtech company, shaping both development and consulting sales/marketing teams in 100+ projects for 40 markets. Now tuned in to Atlassian JIRA users, matching their pains and gains with Spartez agile and Atlassian know-how. Software is her second love, so helping it thrive internationally is just it.
Bartek Gatz

Bartek Gatz

Product manager on Spartez products. Wears glasses in pink frames. Hangs out with girls a lot (wife and three daughters) but also spends time on amateur carpentry, car mechanics, and his favourite hobby: retro computers from the 80s and 90s.
Sławomir Ginter

Sławomir Ginter

Co-Founder & Non-managing Partner. Never been a CEO nor wanted it. And proud of it. Knows a thing or two about how to write software in a non-messy manner. Craftsmanship, low cost of maintenance vs. cowboy coding and such. You know what it means. You can easily learn from him a lot of under-the -hood stuff about Java, JVM, Scala, functional programming, and why Javascript is the best language and why it's not.
Arkadiusz Głowacki

Arkadiusz Głowacki

Believes that legacy code is guilty anger and hunger on world and writing such should be forbidden by law. Passionate about optimizing everything that's around him. Interested in a variety of back-end technologies. Big fan of clean code and everything that's helping a programmer to faster provide products with better quality.
Janusz Gorycki

Janusz Gorycki

Co-Founder & Non-managing Partner. Used to be a CEO. Got bored of it. Now taking care of product development. Occasionally trains people in agile methodologies.
Michał Kujałowicz

Michał Kujałowicz

In Testing and Quality Assurance since 2006. Did: manual and automated testing, test management, quality assurance management, team leading, coaching, test consulting. Now a Quality Assistant. Spartez changed his life completely - the way he sees testing, who should test, and what should be the role of a QA. Loves Atlassian products and loves JIRA. Hates bullshit, to customers and to employees. "Damn, I am in the right place!" Privately, happy father of two daughters and running enthusiast.
Maciej Kwidziński

Maciej Kwidziński

Maciek was responsible for designing, development, and maintaining web applications at Wirtualna Polska for 4 years. He believes that building software is an art of choosing tradeoffs. It is important to find the balance between short-term and long-term perspectives.
Aleksander Mierzwicki

Aleksander Mierzwicki

His passion is clean code. Loves Java for portability and hates it for being so lame. In free time, he greps random files in the root file system to find something new. So, if you're using Windows, then keep an eye on your computer - that Linux fanboy will install Debian for you when you're out for lunch!
Krzysztof Piwowar

Krzysztof Piwowar

Slayer of the Dragons, defender of JIRA, and secret agent of Design department. Usually can be seen in the office with a bunch of colourful post-it notes, sharpies, scissors, and a strange smile on his face, so be warned. He's User Experience practitioner and has been working in digital business for eight years. His motto is: Think Outside the Box, but Don't Forget the Box Exists. Probably, that's why he keeps asking two questions in the first place: why and what's the context.
Filip Rogaczewski

Filip Rogaczewski

Filip is somewhat crazy guy, loving adrenaline (thus coding in Java and Scala). If you can't see him in an ambulance or a chopper taking him to a hospital from skis, a parachute, or a paraglider, you can find him hacking days and nights.
Wojciech Seliga

Wojciech Seliga

Co-Founder & Managing Partner. Spartez CEO. Focused on the growth of the business, the culture, and the values. The main person visible outside of the company (at numerous conferences and events), where he shares his experience, the vision, and quite controversial opinions on our industry. Sometimes he is still able to find time to run a deep development or admin training about Atlassian tools. Codes practically only at home and at night.
Iwona Stankiewicz

Iwona Stankiewicz

Product Management enthusiast and passionate advocate of data-driven approach to product development. Her areas of expertise focus around web applications usability and performance. Born and bread electronics engineer, she gets XKCD humor, has low standards of fashion, feels the pain of server outages, can draw boxes and arrows, and is just close enough to the metal to know that stuff doesn’t happen by magic alone.
Piotr Święcicki

Piotr Święcicki

Graduate of Gdańsk University of Technology, gained his first technical experience working for several years for Wirtualna Polska S.A. Moved then for 7 years to the UK to work for PlusNet PLC and South Yorkshire Police just to realise the grass is not that greener there and came back to Gdańsk, his place of origin.
Bartosz Szulc

Bartosz Szulc

Passionate about testing, which means asking the hard questions. What do you need? Why do you need it? How will you know it is what you need? What do you expect to gain from it? Prepare answers, he will ask them. Interested in Software Development, as it's considered a great source of issues. Not only issues with the software itself, but product ideas, development methodologies, techniques, processes and practices. Where everything, every decision you make, depends on the underlying context. Once the issue is challenging enough, he will spend days understanding its root cause, its impact, and potential solutions, hopefully addressing the source.
Grzegorz Tańczyk

Grzegorz Tańczyk

Born exactly one year before the Chernobyl disaster; turning dreams into reality ever since then.
Wojciech Urbański

Wojciech Urbański

Front-end developer with a few years of experience, passionate about his job. Loves learning new stuff, good software craftsmanship, UX, and (obviously) everything related to front-end technologies. In private life, he is a board games fan, audio books addict, and beer lover.
Cezary Zawadka

Cezary Zawadka

As an amateur, he started coding in 1991, then he turned professional in 1997. Since then, he has touched C++, Java, PHP, SQL, HTML, JavaScript, at least dozen of similar technologies, and had to handle frustrated users. Nowadays, spends his spare time with his sons and playing tennis.

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