
About Duplex Technologies Services
Similar jobs
Role Overview
We are looking for a skilled Xamarin + Android Developer to build, maintain, and optimize cross-platform and native Android mobile applications. The ideal candidate should have strong experience in C# and mobile app architecture, along with hands-on deployment experience on Play Store.
Key Responsibilities
- Develop cross-platform mobile applications using Xamarin / Xamarin.Forms
- Build and maintain native Android applications using Xamarin.Android
- Implement clean architecture patterns (MVVM)
- Integrate REST APIs and third-party services
- Work with local databases such as SQLite
- Optimize app performance and ensure responsiveness
- Handle Google Play Store deployment and updates
- Debug, test, and maintain app stability
- Collaborate with backend and UI/UX teams
- Support app migration or enhancement projects (if required)
Required Skills
- Hands-on experience with:
- Xamarin.Forms
- Xamarin.Android
- Solid understanding of Android SDK concepts
- Experience with REST API integration
- Knowledge of SQLite / local storage
- Experience with Git version control
- Understanding of CI/CD pipelines
- Experience publishing apps to Google Play Store
Good to Have
- Experience with Firebase integration
- Azure exposure (optional)
- Performance optimization experience
- Experience handling production mobile apps
Job Title: Flutter Mobile App Developer
Department: Engineering
Summary:
We are looking for a talented Flutter Mobile App Developer to join our team. The ideal
candidate will have a strong understanding of Flutter and Dart, as well as experience
developing mobile apps for Android and iOS. The successful candidate will be
responsible for designing, developing, testing, and deploying high-quality mobile apps
that meet the needs of our users.
Responsibilities:
● Design, develop, test, and deploy mobile apps using Flutter and Dart
● Work with product managers and designers to gather requirements and translate
them into technical specifications
● Work with other engineers to build and maintain our mobile app codebase
● Stay up-to-date on the latest Flutter and Dart developments
● Participate in code reviews and provide feedback on code quality
● Mentor and train junior engineers
Qualifications:
● Bachelor's degree in Computer Science or a related field
● 4+ years of experience developing mobile apps using Flutter and Dart
● 1+ years of experience with commonly used 3rd party libraries and services,
push notifications and app analytics
● Experience with building video streaming and messaging apps is a huge plus
● Strong problem-solving and debugging skills
● Excellent written and verbal communication skills
Benefits:
● Competitive salary and benefits package
● Opportunity to work on challenging and interesting projects
● Collaborative and supportive work environment
● Chance to make a real impact on the lives of our users
- Proven software development experience
- Proven working experience in Android
- Strong Java OOPs concepts and design patterns understanding
- Hands-on experience on Kotlin.
- Good understanding of C and data structures, JavaScript
- Must have a good understanding of React Native or Cordova
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Have published at least one app in the Store.
- Experience in writing SDK frameworks
- Experience working with remote data via REST and JSON
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with third-party libraries and APIs
- Knowledge of JNI, security algorithms
- Experience with offline storage, threading, and performance tuning
- Ability to design applications around natural user interfaces
- Knowledge of the open-source Android/iOS ecosystem and the libraries available for common tasks
- Must be proficient in code versioning tools such as Git, SVN
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies Solid understanding of the mobile development life cycle
- Good to have: Experience in working on cross-platform such as Flutter, Kony.
Responsibilities
- Design and build advanced applications for the Android platform
- Collaborate with cross-functional teams to define, design, and ship new features
- Work with outside data sources and APIs
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven software development experience and Android skills development
- Proven working experience in Android app development and
- Have published at least one original Android app
- Experience with Android SDK
- Experience working with remote data via REST and JSON
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Solid understanding of the full mobile development life cycle.
• Designing and building Likeminds iOS application.
• Collaborating with the design team to define app features and building a high quality
application
• Ensuring quality and performance of application to specifications.
• Identifying potential problems and resolving application bottlenecks.
• Fixing application bugs before final release
• Publishing application on App Store
• Maintaining the code and atomization of the application
• Designing and implementing application updates
Skills Required
• Proven experience as an app developer.
• Proficient in Objective-C, Swift, Xcode and Cocoa Touch
• Extensive experience with iOS Frameworks and strong understand of development lifecycle
• Knowledge of iOS back-end services.
• Knowledge of Apple’s design principles and application interface guidelines.
• Proficient in code versioning tools including Mercurial, Git, and SVN.
• Familiarity with push notifications, APIs and cloud messaging.
• Experience with continuous integration
Prior experience working in a startup is a plus.
- Experience with building scalable applications using Flutter on android or IOS. (we are happy to meet you even if you do not know flutter but are willing to learn)
- Strong knowledge of Architectural pattern like Bloc, Provider etc in Flutter. Knowledge of writing Plugins in Flutter is a good to have skill
- Ability to think about scalability and reusability while developing flutter widgets.
- Experience in working with Dart.
- Knowledge of unit & integration testing, agile development process, jira & API integration will be extremely useful
- Strong UI building skills and the ability to handle updates in UI with high frequency data changes.
- Experience with version control systems (bitbucket, git etc.)
- Strong knowledge of algorithms and data structures
- Should have demonstrated experience working on application development projects and test-driven development. Experience in writing high quality code
- Strong state management knowledge
- Experience in Fintech domain will be another added advantage
Mandatory: Hands on experience working with Java or Kotlin. Very strong logical skills. Good hold on operating system concepts and data structure. Experience with web services , SQL Lite , camera kit , image caching concepts, keychain , past experience working with one of the design patterns like MVC / MVVM / MVP , network check implementation.
Good to have: Rx-Swift experience , video / image filter experience , media player usage , complex UX effects , couch-db , RealM.Knowledge of GIT management , Continuous Integration and Continuous Development practices.
Soft Skills: Strong communication skills , high spirited , eager to learn , able to perform in a high pressure environment
- Experience in React-native, IOS Development (with Swift).
- Experience in IOS SWIFT Framework
- Proven experience in React Native components in native iOS and Android
- Good understanding of Android / iOS / Web design guidelines, SDK and excellent JavaScript skills.
- Knowledge of React and the Java script ecosystem
- Exposure to other hybrid mobile platforms like IONIC,Sencha, HTML5, PhoneGap, jQuery Mobile etc.
- Familiarity with RESTful APIs development.
- Expertise with code testing best practices, including unit and integration testing to ensure quality of code.
- Familiarity with code versioning tools such as Git, SVN, Github.
- Excellent verbal and written communication skills
Preferred Skills & Knowledge: IOS Development (Swift), React Native
We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.
Responsibilities:
- Design and build applications for the iOS platform
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organisation, and automation.
Requirements:
- Proficient with Swift 4 (depending on project requirements), and Cocoa Touch
- Experience with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with Online/Offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect iOS applications to back-end services
- Knowledge of other web technologies and UI/UX standards
- Understanding of Apple's design principles and interface guidelines.
- Knowledge of low-level C-based libraries is preferred.
- Familiarity with cloud message APIs and push notifications
- Knack for benchmarking and optimisation
- Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
- Familiarity with continuous integration








