Krzysztof Witczak
Software Engineering Manager at Text
Greater Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolKrzysztof Witczak is a pragmatic software engineering manager with 11 years of experience building and scaling SaaS products across B2B and B2C markets, currently leading engineering at Text while advising fast-growth companies on technology strategy and ISO 27001. He blends hands-on development (including Android contributions to the widely used OpenMRS client) with strategic leadership—defining engineering vision, running incident response, and improving DevEx using DORA/SPACE metrics. Proven at growing teams, hiring end-to-end, and accelerating onboarding to first commit within 48 hours, he’s equally comfortable in product discovery, security threat modelling, and tough change management during pivots. A former head of engineering, he pairs technical depth in Ruby on Rails and full-stack practices with coaching managers and implementing measurable people processes. Based in Greater Poland, he brings a background in mechatronics and biomedical engineering that fuels a systems-thinking approach to software and org design.
11 years of coding experience
10 years of employment as a software developer
Master of Science (M.Sc.) Computer Science, Master of Science (M.Sc.) Computer Science at Gdańsk University of TechnologyFull Stack Web Development Certification Computer Software Engineering, Full Stack Web Development Certification Computer Software Engineering at freeCodeCampBachelor of Engineering (B.Eng) Mechatronics, Bachelor of Engineering (B.Eng) Mechatronics at Politechnika KoszalińskaBachelor of Engineering (B.Eng) Biomedical Engineering, Bachelor of Engineering (B.Eng) Biomedical Engineering at Koszalin University of Technology
Polish, English
Stackoverflow
512reputation
19kreached
11answers
18questions
Github Skills (19)
android-client10
mobile-development10
java10
javas10
android10
gzip9
rest-api8
api-rest8
restful-api8
api-design8
combobox6
wrapper6
ruby-on-rails6
design-patterns6
jquery6
Programming languages (4)
Github contributions (5)
openmrs/openmrs-contrib-android-client
Mar 2015 - Apr 2015
Android client for OpenMRS
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:14 commits, 14 PRs in 1 month
Contributions summary:Krzysztof primarily contributed to the development of the Android client for OpenMRS. Their work focused on refactoring existing code, fixing minor issues, and adding new functionalities such as a title bar and a visit prompt. They also made significant changes to network management and the handling of GZIP responses. The user demonstrated expertise in enhancing the user interface and improving the application's interaction with the OpenMRS backend.
openmrsjiraandroidjavaandroid-client
kwitczak/aw-heart-rate
Jun 2017 - Sep 2017
Contributions:18 commits, 17 pushes, 1 branch in 2 months
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