Software Development Mobile App
Resume:
**** ********* *****-****** *****, Laval, QC
Canada, H7S 1M9
Lincoln Lewin
Summary
As a versatile and results-driven iOS and Android Mobile App Developer, I specialize in delivering high-performance, user-centric mobile applications for iOS and Android platforms. With expertise in React Native, Flutter, Swift, and Kotlin, I excel in building cross-platform and native apps tailored to meet diverse client needs. My experience spans UI/UX design, API integration, and end-to-end mobile app development, from ideation to deployment on the App Store and Play Store.With a strong focus on mobile app security, performance optimization, and responsive design, I create intuitive, scalable, and reliable applications that align with modern user expectations. Whether integrating third-party libraries, enabling cloud synchronization, or implementing mobile monetization strategies, I ensure each project delivers exceptional quality and value.
SKILLS
Mobile Development
●Native App Development: Swift, Kotlin, Objective-C
●Cross-Platform Development: React Native, expo, Flutter, Dart
●Hybrid Mobile App Development
UI/UX Design
●Responsive Design
●Mobile App User Interface Design
●User-Centric Mobile Experiences
Backend & API Integration
●RESTful API Development & Integration
●Firebase: Database, Authentication, Push Notifications
●Cloud Sync and Mobile Data Storage
App Deployment & Maintenance
●App Store and Play Store Submission
●App Maintenance & Support
●Testing & Debugging for Mobile Apps
Third-Party Integrations
●Social Media Account Integration
●Mobile Payment Gateways
●Push Notifications: Firebase, OneSignal
Tools & Frameworks
●Git for Version Control
●Mobile App Performance Optimization
●Third-Party Libraries and SDKs
Additional Expertise
●Mobile App Monetization Strategies
●Cross-Platform App Development Best Practices
●Mobile Security Enhancements
EXPERIENCE
Perceptively, Miami, US— Senior Full Stack Mobile Developer
Oct 2023 – Dec 2024
●Designed and developed cross-platform mobile applications using React Native and Flutter for iOS and Android platforms.
●Led the development of a native iOS app using Swift and an Android app using Kotlin, focusing on performance optimization and responsive design.
●Integrated third-party APIs, enabling seamless social media account logins and payment gateways.
●Implemented Firebase for real-time notifications, cloud storage, and authentication.
●Managed app deployment and updates on the App Store and Google Play Store, ensuring compliance with platform guidelines.
●Conducted rigorous app testing and debugging to identify and resolve performance bottlenecks.
XABRU, Munich, Germany— Senior Mobile Developer
Oct 2022 – Mar 2023
●Spearheaded the development of high-performance, cross-platform mobile applications using Flutter and React Native, ensuring seamless functionality on both iOS and Android platforms.
●Collaborated with design and product teams to create user-friendly and visually appealing mobile interfaces that improved user engagement and satisfaction.
●Optimized application performance by identifying bottlenecks and implementing best practices for faster loading times and smoother navigation.
●Contributed to the entire development lifecycle, from planning and design to deployment and post-launch maintenance, ensuring timely delivery of high-quality applications.
●Worked with backend teams to integrate APIs and databases, ensuring real-time data synchronization and smooth user experiences.
●Led code reviews and mentored junior developers, fostering a collaborative and growth-oriented team culture.
●Utilized version control systems like Git to manage codebase and collaborate efficiently with team members.
Amazon, Austin, TX— Software Dev Engineer II
Feb 2019 – Aug 2022
●Built mobile features for Amazon Flex app using Java, dart and Kotlin with Android application architecture and optimized to reduce the time by 25% to complete deliveries.
●Designed layout using Jetpack Compose to easily build modern, responsive UIs with less code by 50% than traditional Android apps.
●Implemented CI/CD pipelines using AWS CodePipeline and CodeDeploy to automate
●application deployment and testing processes.
●Collaborated with cross-functional teams to optimize app performance, reduce build times, and resolve build-related issues using Gradle build caching and modularization techniques.
●Integrated package or libraries that are built with React Native and flutter so that they are used for both iOS and Android.
●Defined 50+ RESTful APIs using Python and implemented it using Retrofit service with RxJava to retrieve Json format files or XML and display data in the app.
●Developed features as a package or library and used in main apps and update features covered more than 90% of the codebase by test cases using Junit4 for logic tests.
●Collaborated closely with UX designers to implement a visually appealing and intuitive user interface, resulting in a 30% increase in user engagement and a 20% reduction in user errors.
7Eleven, Irving, TX— Senior Android Developer
May 2017 – Jul 2019
●Converted from Java project to Kotlin for resolving more than 20 technical issues by using MVVM design patterns, and combined Junit4 for Unit test.
●Developed more than 5 features as a package or library that was published using JFrog and used in main apps and updates from previous versions based on the new Figma designs.
●Implemented responsive UI components and optimized app performance by utilizing various features of the Android SDK, including RecyclerView, Fragments, and AsyncTask.
●Implemented classes for critical app setup 10+ pieces such as setting up dependency injection with Dagger, registering for push notification, setting up the database, etc.
●Configured a project that allow the user to combine various actions such as making RESTful API call using RxJava with Retrofit sevice, performing database operations, doing model transformation, etc into a series of actions that runs on a background thread by reducing 95% of the total execution time from the device.
●Attended daily stand-up meetings for a team of 10 to discuss sprint progress, highlight roadblocks, and plan upcoming tasks; improved team alignment and efficiency by 20%.
S44, Montvale, NJ— Android Engineer
Jan 2014 – Apr 2017
●Designed and built advanced social applications using Java with 10+ build variants resources for Android platform, and collaborated with cross-functional teams to define, design, and launch new features.
●Engineered an end-to-end automation process for the development team by implementing CI/CD pipelines with Jenkins and reduced deployment time by 40%.
●Single responsibility principle (SRP) applies in all possible cases by reducing 70% of code complexity to understand and modify the codebase easier with the amount of time spent on testing.
●Dependency inversion is accomplished via dependency injection with Dagger improving code reusability to increase codebase performance by 30%.
EDUCATION
Toronto College of Technology, Toronto, Canada— Bachelor’s Degree
2009 – 2013
Computer Engineering
Notable Projects
Cross Platform Mobile Projects
●Orbis - Digital Tribes- iOS
●Orbis - Digital Tribes-Android
●Neymar Jr Experience-Android
●Neymar Jr Experience-iOS
Social Media App
●Dating Chat App & Make Friends
●CROSSPATHS – Christian Dating
Health & Fitness App
●YogaEasy: Online Yoga Studio
●Buddyfit
Map & Driver App
●Car Lover
●OnRoad
Ecommerce App
●Ubuy: International Shopping
●Clicky Online Shopping App
Technical Keywords
iOS & Android Developer React Native Flutter Mobile App Development Cross-Platform Apps Dart Swift Kotlin UI/UX Design API Integration Firebase RESTful APIs Git App Store Deployment Play Store Submission Third-Party Libraries Responsive Design Testing & Debugging Push Notifications Performance Optimization Mobile App Developer iOS & Android Developer iOS Mobile App Development Android App Development Flutter Mobile App Developer React Native App Developer Cross-Platform App Developer Swift iOS Developer Kotlin Android Developer Native iOS & Android Development Hybrid Mobile Apps Development Flutter Dart Developer React Native Cross-Platform Expert Custom Mobile App Development Mobile App UI/UX Design Mobile API Integration Backend APIs for Mobile Apps iOS Swift App Development Android Kotlin App Development Mobile App Optimization App Store Deployment (iOS & Android) Mobile App Testing & Debugging Firebase Integration for Mobile Apps Mobile App Security & Performance Push Notifications (Firebase, OneSignal) Mobile App Maintenance & Support Mobile App Monetization Strategies Mobile Payment Integration Cloud Sync & Mobile Data Storage Swift iOS iOS development Objective-C Smartphone iOS Mobile App Development User Profile Creation Social Media Account Integration
Languages
●English (Native)
Contact this candidate