Marcin Kaczmarzyk Email & Phone Number

Poznań, Pl

• Onoco - Nanny Application:Led the development of new features for the Onoco app, which has garnered over 10k downloads, highlighting my ability to deliver user-valued solutions.• VRWorkout Application:Played a pivotal role in the creation of the VRWorkout application, a groundbreaking fitness solution leveraging virtual reality, illustrating my versatility in diverse tech arenas and passion for pioneering next-generation applications.• Architectural Enhancements:Enhanced projects through architectural improvements and introduced automated code writing with Mason.

TabBox Sp. z o.o.• Maintained and further developed key features of the app.• Worked on optimizing and enhancing UX/UI, focusing on delivering a seamless and intuitive user experience.Higroup d.o.o.• Architected and led the Flutter development for Fitness project, focusing on high-performance and user-friendly app design.• Managed a team, ensuring efficient project delivery on time and implementing innovative solutions in the Fitness app with a personal emphasis on robust architecture design.

Poznań, Wielkopolskie, Poland

Selgros iOS Application:• Played a key role in enhancing and maintaining the Selgros app, which boasts over 1 million downloads.Focused on optimizing existing functionalities and ensuring stability of the current codebase with high coverage by unit tests.• Architectural Innovations:Successfully introduced a modular architecture to projects, underlining my capability to usher in significant structural improvements.• My Coop (AD Coop) Flutter Application:Built the application from scratch, in collaboration with a team, highlighting both my Flutter expertise and team collaboration skills.

• Played a pivotal role in developing and refining the iOS application.• Successfully incorporated ARKit technology to create an immersive virtual reality art museum.• Enhanced user interaction by leveraging Machine Learning for personalized art viewing experiences.• Seamlessly integrated Firebase, Stripe, and Cloud Functions for robust backend operations.