About

Mariusz Wiśniewski is a Lead iOS Developer/Consultant with a passion for learning new skills and building beautiful apps that simply work. He has 8 years of experience in iOS Development, with knowledge and experience in marketing, customer support, and developer evangelism. Currently, Mariusz is working as an iOS Team Leader at cinkciarz.pl, where he leads the development of an iOS app written in Swift, using a custom networking library to communicate with REST JSON API. He is responsible for development, sprint planning, code reviews, organizing work for team members, and coordinating with the project manager, Android, and UX teams. Before cinkciarz.pl, Mariusz worked as a Lead iOS Developer at resilient plc, where he designed app architecture, took part in planning and delivery, set up CI/CD/UI tests, and led a small iOS team. Additionally, he worked at Roche as an iOS Developer/Lead iOS Developer (Remote), where he worked on the new version of enterprise CRM written in Swift, with the use of CoreData for local storage, and Salesforce backend, with REST SOAP/JSON API. Mariusz's role aside from development was sprint planning, reviewing code, organizing work with the project manager, and coordinating work with the testing and backend team. Mariusz holds a Master of Science (M.Sc.) in Information Systems Engineering from Wroclaw University of Science and Technology. He has a strong tech stack that includes iOS, Swift, Android, CI/CD, UI, Backend, test, and Salesforce. With almost 12 years of relevant experience, Mariusz is a skilled and knowledgeable Lead iOS Developer/Consultant who is always eager to learn and improve his skills.