Hire Firebase Cloud Messaging Developer

- Over 7 years of commercial experience in IT as an Android Developer; - Proficient in Java and Kotlin programming languages; - Strong knowledge of Object-Oriented Programming (OOP) principles; - Experienced in using Design patterns such as MVP and MVVM; - Skilled in using Android SDK and various libraries/frameworks including RxJava, Jetpack Compose, Dagger, Hilt, Room, Navigation, Google Maps, Firebase Analytics, Firebase Crashlytics, and Firebase Cloud Messaging; - Familiar with Clean Architecture and Retrofit for building robust and scalable applications; - Proficient in using source control systems like GIT and tracking systems like Jira and Trello; - Experienced in Agile development methodologies such as SCRUM and Kanban; - Upper-Intermediate level of spoken and written English; - Successfully delivered projects in various domains including in-store and online shopping, retail and distribution, taxi services, sports, and job search; - Strong attention to detail, logical thinking, and result-oriented mindset.

- Senior Android Engineer with 6+ years of commercial experience and strong organizational skills. - Proficient in Android development using Java, Kotlin, and libraries like Retrofit and Room. - Expert in methodologies like MVC, MVVM, Clean Architecture, and SOLID principles. - Comfortable working with REST API, version control tools like Git, and project management through MVP. - Upper-Intermediate English - Available ASAP

Software engineer with over 8 years of experience in Android app development and team leadership, proficient in Java and Kotlin. Expertise in application architecture, UI/UX design, database management with SQLite, Room, Firebase, and Firestore. Skilled in project management tools like ASANA, Trello, and Slack. Extensive knowledge in REST APIs, third-party libraries, and payment gateway integration. Proven track record of delivering projects on time using Agile methodologies while implementing best practices in code review, unit testing, and maintaining app performance. Technical acumen is demonstrated through the successful delivery of diverse projects spanning digital wallets, e-commerce, and logistics.

Senior Android Engineer with over a decade of experience in building commercial applications, expertly versed in Android SDK, Kotlin, Java, and a variety of frameworks and libraries such as Retrofit, Moxy, Dagger 2, and Jetpack compose. Highly skilled in object-oriented architecture, patterns, and network communication protocols like MQTT and HTTP/HTTPS, with proficiency in Binary Data Protocols and general algorithm construction. Demonstrates a solid track record in leading teams through the full lifecycle of application development, from requirement gathering to deployment on the Google Play Store. Holds a Ph.D. in Computer Sciences and excels in a fast-paced agile environment, bringing a wealth of knowledge in architecture solutions, API design collaboration, and advanced Android UI/UX. Recognized for leadership, impeccable time management, and effective communication skills alongside a commitment to code quality and software excellence.

A seasoned iOS developer with over 7 years of experience, specializing in the Apple ecosystem. Proficient in Swift, Objective-C, SwiftUI, and Kotlin, with strong expertise in reactive programming, databases, networking, and multithreading. This engineer is adept in implementing various architectural patterns such as MVVM, Singleton, and Dependency Injection. Their technical background is solidified by a Master's degree in System Engineering and Computer Science. Their professional portfolio spans several domains, including Security, Healthcare, and FinTech, showcasing a versatile approach to app development. Key contributions include developing CI/CD pipelines, performing comprehensive testing, and successful App Store deployment. Strengths include advanced knowledge of networking protocols, database management, and multiparadigm programming, making the engineer a well-rounded candidate for complex iOS projects.

- Software Engineer with 4+ years of extensive experience in developing and maintaining complex systems across various domains, including business information, media, software, hi-tech, retail, and distribution - Proven expertise in backend and frontend development, database management, cloud services, and API integrations. - Skilled in modern technologies such as .NET, Azure, AWS, React, Angular, and more. - Has 2+ years of experience with Logic Apps. - English level: Upper-Intermediate

- 5+ years of professional experience using front-end and back-end technologies - Front-end: Deep knowledge of native JavaScript (basics, OOP, DOM, events, asynchrony, AJAX, event loop), ES6+, React, Redux, other React tools (React-router, Redux-Saga, etc.), HTML5, CSS3, LESS, SASS, Bootstrap, Material-UI. - Back-end: Node.js, Express.js, NestJS, JWT, REST API, GraphQL, Postgres, Sequelize, Typeorm, knex.js, Docker, Microservices. - Upper-Intermediate English - Available in 2 weeks after approval for the project

Seasoned Senior Mobile Developer with 6 years of experience, specializing in native iOS (Swift, UIKit, SwiftUI) and cross-platform (Flutter) mobile app development. Demonstrated expertise in full lifecycle project management, architecting robust app solutions with a focus on the Blockchain, Transportation, Education, HealthCare, and E-commerce sectors. Proficient in leveraging modern development tools, such as Alamofire, Core Data, and Combine. Effective at leading and mentoring teams, directly engaging with clients, and contributing to high-quality software with experience in SDLC, MVVM, Agile methodologies, and CI/CD pipelines. Recognized for refactoring and optimizing codebases for scalability and performance.