Mariusz Sieraczkiewicz

I have been a software professional since 2004. Passionate about learning from experience especially when dealing with real-life... | Warsaw, Warsaw, Poland

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Mariusz Sieraczkiewicz’s Location Warsaw, Warsaw, Poland

Mariusz Sieraczkiewicz’s Expertise I have been a software professional since 2004. Passionate about learning from experience especially when dealing with real-life software projects. As a trainer and consultant I work with top teams on technical leadership, process agility, architecture and recently microservices. At top of that I have published dozens of articles in Software Developer Journal and Polish “The Programist” magazine. My motto is “In most cases it’s all about people” what drives his focus towards communication and team members cooperation. My top interest is human factor in software development. I have worked with: Hewlett-Pockard, TomTom, UniCredit Business Integrated Solutions, Vatenfall IT Services, Asseco Business Solutions, Nokia Solutions and Networks, KBC Global Services, Liberty Direct, NCR, Agora, BMS, BRE Bank, Centrum Kart S.A., Compu Group Medical, e-point S.A., Ericpol, home.pl S.A., Infinite, Infosys BPO Poland, ING Usługi Finansowe S.A., IMGW, LSI Software S.A., PKO Bank Polski S.A., Pekao S.A., Young Digital Planet and many others. in following subjects: - technical leadership - agile (Scrum, XP and practices) - software craftsmanship coding techniques (clean code, design patterns, TDD, BDD, incremental style of working etc.) - strategic (long-term) refactoring - auditing business application architecture

Mariusz Sieraczkiewicz’s Current Industry Roche

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Work Experience

Roche

Hands-on programming Software Architect. Java Tech Lead.

Wed Jun 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time) — Present

Glovo

Java Backend Engineer

Wed Dec 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun May 01 2022 00:00:00 GMT+0000 (Coordinated Universal Time)

Top Pharma

Programming Software Architect

Wed Jul 01 2020 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Nov 01 2021 00:00:00 GMT+0000 (Coordinated Universal Time)

Bns

Trainer. Java Software Engineer. Java Software Architect

Sun Jan 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) — Present

Sage

Software Engineering Consultant and Trainer

Fri Jan 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue Jan 01 2019 00:00:00 GMT+0000 (Coordinated Universal Time)

Mbank

Agile Coach

Fri Jan 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun Jan 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time)

Adp

Agile Coach

Thu Jan 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jan 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time)

Mobilems

Agile Coach

Wed Jan 01 2014 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jan 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time)

Pruftechnik Technology

Software Engineering Trainer

Tue Jan 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time) — Fri Jan 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time)