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HeetchSenior iOS Engineer
May. 2022Paris, Île-de-France, FranceAt Heetch, a ride-sharing platform, I contribute as a Senior iOS Engineer within multiple teams to enhance both driver and passenger experiences. My key responsibilities and achievements include: - Developing the 'binge driving' functionality, enabling drivers to efficiently manage continuous orders.
- Enhancing the booking request system and driver approaching phase for improved usability.
- Implementing driver pickup validation mechanisms to prevent fraud.
- Integrating Firebase Cloud Messaging to bolster the app's notification system.
- Introduced Fastlane to ensure CI/CD provider independence
- Worked on a Proof of Concept (PoC) for incorporating
Dynamic Island and SwiftUI. As part of the cross-functional Finance team, I played a role in: - Introducing new payment platforms (Multicaixa and Wave), enriching the app's payment processing capabilities.
- Overseeing the implementation of these functionalities across the application's entire lifecycle. Within the Passenger Growth team, my contributions were in: - Implementing a new user onboarding process, enhancing the initial app experience.
- Making significant changes to the authentication flow to increase security and user convenience.
- Introducing a new monitoring approach for app startup and initialization, improving performance metrics.
Przemysław Cackowski ConsultingExperienced Mobile (iOS) Engineer Consultant
May. 2018Helping and eager to build mobile solutions for companies.
PeaterSenior iOS Engineer
May. 2018 - Dec. 2021Warsaw, Mazowieckie, PolandAs a Senior iOS Engineer, I was responsible for the mobile development of Peater, a robust meal planning and fitness app aimed at fostering healthy living habits. I kickstarted the app from the ground up, introducing key features such as: - A scalable architecture utilizing modular dynamic frameworks for enhanced app flexibility.
- Subscription-based in-app purchases.
- Built modules for comprehensive meal and calorie intake management, training videos, statistics, user panel, shopping.
- Multilingual support for global accessibility.
- Smooth backend REST API integration. I led the assembly and development of a dedicated mobile team, expanding to over six iOS and Android specialists. I implemented a comprehensive SDLC strategy, covering: - Initial business analysis and project planning.
- Architectural and software design.
- Development and coding.
- Code reviews.
- Testing procedures.
- Deployment and maintenance through CI/CD pipelines.
RocheExpert IT (iOS - Mobile)
Oct. 2015 - Apr. 2018Warsaw, Masovian District, PolandStarted as a Java Developer and moved to the Mobile team in 2010. - Responsible for development, delivery, and maintenance of enterprise native iPhone and iPad applications at Genentech (American subsidiary of Roche). - Worked in a distributed environment with customers, analysts, developers, testers, UX designers (San Francisco, Toronto, Warsaw, and Poznan). - Gathered requirements, estimates, and plans projects’ efforts. - Coordinated work of iOS and backend developers as a SCRUM Master.
- Interviewed iOS developer candidates
- Conducted code reviews
- Designed and implemented Mobile Continuous Integration and Delivery system used by
development teams (30+) which handle 300+ iOS, Android, Windows applications. - Responsible for junior developers mentoring and learning path preparation
- Responsible for co-leading internal Mobile Community of Practice - panel for knowledge sharing
between co-workers. Worked as a technical lead during development of iPad CRM application for entire LATAM region field force with SalesForce platform as a backend system. Application has very sophisticated offline business logic specific for each LATAM country, synchronizes with Salesforce platform. Worked as a technical leader and scrum master in a team of 8 iOS developers. Recruited a team, created architecture, applied agile practices like Scrum, planning, retrospectives, prepared backlog, applied code lifecycle good practices like testing, CI, CD, static code analysis, gitflow, conducted code reviews, cooperated and reported to project managers, designers, and solutions architects.
RocheSenior iOS Developer at Roche
Apr. 2010 - Sep. 2015Warsaw, Masovian District, PolandDeveloped and implemented 10+ iOS applications, including:
- Universal iPhone/iPad application for publishing, downloading, streaming and podcasting audio and video content for the US Commercial teams and salesforce to visualize training podcasts on the go. Implemented UI, background synchronization, audio and video processing.
- iPhone app for tracking and reporting employees daily commutes, booking ferry seat and getting bonus and reimbursements. Implemented schedules time table based on GTFS files for buses and local campus shuttles. Developed commute reporting module for reimbursements of public transport usage. Added ferry seats booking functionality.
- iPad application for genentech buses and ferries staff to add, block, check in passengers and manage employees commuting. Implemented UI part.
- Universal iPhone/iPad app presenting Roche campus plans. Implemented SVG image processing functionality for floor plans and Google Calendar synchronization.
- Universal iPhone/iPad congress app with multi-threading background synchronization to Salesforce.com platform, integrated with user’s calendar, Yelp & Google Maps. The app is designed for congress participants up to 5,000 users and provides information about transportation, rooms, contacts, sessions, lectures, etc.
- Implemented augmented reality application. Applied AR features to drug box with instruction movies, leaflets and offline help for patients. - Developed proof-of-concept projects including iBeacon office localization, security guards tracking system, swift as a server, webex and google single sign on for medical experts integration.
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