Node.js developer

• Proficient in React, JavaScript (ES6+), and TypeScript.
• Expertise in state management libraries (Redux, Zustand, etc.).
• Hands-on experience with react-navigation and deep linking.
• Solid understanding of Expo (both managed and bare workflows).
• Knowledge of native development (Swift/Objective-C for iOS, Java/Kotlin for Android).
• Experience with custom native module bridging and native UI integration.
• Strong debugging skills using tools like Flipper and Chrome DevTools.
• Familiarity with Jest, React Native Testing Library.
• Experience with REST APIs, GraphQL, and real-time data (WebSockets).
• Ability to manage OTA updates with EAS Update and configure EAS Build.
• Experience in app publishing and release lifecycle on both Play Store and App Store.
• Knowledge of secure storage, token handling, and app-level security practices.

Job Responsibilities:

• Assist in the design, development, and maintenance of high-quality Android applications using Java/Kotlin.
• Work with Android Studio to write clean, efficient, and well-documented code.
• Implement and adhere to MVVM (Model-View-ViewModel) architectural patterns to ensure scalable and maintainable applications.
• Utilize Data Binding to streamline UI development and improve code readability.
• Develop user interfaces with a strong understanding of various Layouts (ConstraintLayout, LinearLayout, RelativeLayout, etc.) and responsive design principles.
• Integrate applications with RESTful Webservices using libraries like Retrofit to connect with backend services and handle data efficiently.
• Gain experience in interacting with databases, including basic operations with SQLite Database (Creating, Updating/Querying) for local data storage and understanding of server-side data interaction.
• Apply Debugging Skills using tools such as Logcat, Android Debugger (Debug), and Lint for identifying and resolving issues, and optimizing application performance.
• Leverage Plugin Tools like ADB Idea, Codata, and Lombok Plugin (if applicable) to enhance development workflow and productivity.
• Work with various Android APIs to implement new features and functionality.
• Participate in Testing the Android Application, including unit testing and collaborating with QA for functional and integration testing.
• Perform Lint for Code Inspection to ensure code quality, consistency, and adherence to best practices.
• Learn and apply fundamental Design Patterns (e.g., Singleton, Observer) in Android development.
• Collaborate effectively with cross-functional teams, including product managers, UI/UX designers, and backend developers, to define, design, and ship new features.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency and improve application performance.
• Stay up-to-date with the latest Android development trends and best practices.

Required Skills and Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related field (or equivalent practical experience).
• 0-2 years of hands-on experience in Android application development.
• Solid understanding of Android SDK and Android Studio.
• Proficiency in at least one of the primary Android programming languages: Java or Kotlin.
• Familiarity with MVVM architecture.
• Basic knowledge of Data Binding.
• Understanding of various Android Layouts.
• Exposure to SQLite Database and concepts of server-side interaction.
• Familiarity with Retrofit for API consumption.
• Demonstrated Debugging Skills using relevant Android tools.
• Awareness of common Plugin Tools for Android development.
• Basic understanding of Android APIs.
• Knowledge of RESTful Webservices principles.
• Experience with testing methodologies for Android applications.
• Ability to use Lint for Code Inspection.
• Eagerness to learn and apply Design Patterns.
• Strong problem-solving abilities and attention to detail.
• Excellent communication and teamwork skills.
• A portfolio of personal or academic Android projects is a strong plus.

• Translate designs and wireframes into high-quality code
• Design, build and maintain high performance, reusable, and reliable Java
• code
• Ensure the best possible performance, quality, and responsiveness of the
• application
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization
• Follow best practices in code implementation
• Willing to work on flexible time zones if required

• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end
• services
• Strong knowledge of Android UI design principles, patterns, and best
• practices
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces, such as touch
• Familiarity with the use of additional sensors, such as gyroscopes and
• accelerometers (preferred)
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Ability to understand business requirements and translate them into technical
• requirements
• Familiarity with cloud message APIs and push notifications –
• A knack for benchmarking and optimization
• Understanding of Google's Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration
• Must have experience in Chat (one to one, group chat, file sharing)
• Knowledge in Google Maps APIs is preferred

What You Will Do:

• Your primary focus will be to implement responsive & high-quality UI and reusable code for CoinSwitch platform, with a particular focus on performance.
• You will help translate requirements and mockups into fully functioning features using frontend technologies.
• You will ensure the technical feasibility of UI/UX designs while maintaining high quality standards.
• You will collaborate timely with designers, product managers and own the front-end layer.
• You will constantly look for optimizing applications to handle high scale.
• You will keep yourself updated with the latest web technologies coming up in the market and suggest ways to implement it in our system.

What You Should Have:

• You should have 5+ years of extensive experience in Javascript.
• You should have 3+ years of experience in ReactNative based Android and IOS apps.
• You have experience writing clean, modular, object- oriented and optimized scripts.
• You are aware of Javascript design patterns and can architect a fairly complex UI.
• You have experience building a product using a mainstream library or framework (ReactNative ecosystem preferred).
• You keep pace with the ever-changing specs of cutting edge front-end technologies.

Good to Have:

• Prior experience working with fin-tech companies

• Meaningful experience working on large, complex systems.
• Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon, both in regards to estimates and to the general process.
• Ability to identify with the goals of FullStack clients and dedicate yourself to delivering on the commitments you and your team make to them.
• An understanding of React Native best practices and a commitment to following them.
• Ability to work through new and difficult React Native issues and contribute to libraries as needed.
• Ability to create and maintain continuous integration and delivery of React Native applications.
• A positive mindset and can-do attitude.
• 2+ years of professional experience working with React Native.
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