Android Developer

Job Description:

We are looking for a skilled React Native Developer to design, develop, and maintain high-performance cross-platform mobile applications for Android and iOS.

The ideal candidate must have strong command over React Native, TypeScript/JavaScript, and working knowledge of Kotlin (Android) or Swift (iOS) to build and integrate native modules when needed.

You will work closely with backend, design, and product teams to deliver seamless, fast, and stable mobile experiences for the ZestFindz ecosystem.

Key Responsibilities:

• Develop and maintain cross-platform mobile applications using React Native.
• Collaborate with design and product teams to deliver pixel-perfect, responsive UIs.
• Integrate REST APIs / GraphQL and handle authentication, caching, and error states efficiently.
• Implement and manage app state using Redux / Context API / Zustand.
• Optimize app performance, handle animations, memory leaks, and rendering issues.
• Manage offline storage using SQLite / AsyncStorage / MMKV.
• Configure and manage Firebase services - Auth, Firestore, Push Notifications, Analytics.
• Handle deep linking, in-app navigation, and app lifecycle events.
• Deploy apps to Google Play Store and Apple App Store (with signing, provisioning, versioning).
• Work with DevOps to integrate apps into CI/CD pipelines (Fastlane / GitHub Actions / Codemagic).
• Write clean, modular, reusable code with proper documentation and testing.
• Debug, profile, and optimize performance for low-end devices and weak networks.
• Ensure security best practices - secure token storage, environment management, and data encryption.

Must-Have Skills:

• Strong experience in React Native (0.70+) and TypeScript.
• Solid understanding of mobile architecture patterns (MVC, MVVM, Flux).
• Experience with React Navigation, Redux / Context API / Zustand, and API integration (Axios / Fetch).
• Familiarity with Firebase, App Permissions, and Push Notifications (FCM/APNS).
• Good understanding of Android Studio, Xcode, Gradle, and Cocoapods.
• Ability to write clean, testable code with unit and integration tests.
• Working experience with Git / GitHub / GitLab CI/CD.
• Problem-solving mindset and ability to debug across full mobile stack.

Good-to-Have Skills (Bonus):

• Knowledge of native SDK integrations (Maps, Camera, Payments, etc.).
• Experience with React Query / GraphQL.
• Familiarity with Fastlane, Crashlytics, App Center, or Sentry.
• Understanding of UX principles and animation libraries (Lottie, Reanimated).
• Experience with OTA updates (CodePush) and App Store Optimization (ASO).

What We Expect:

• Min 3 years of mobile development experience, with Flutter & Dart.
• Proven ability to build and scale real-time, high-performance fintech applications.
• A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
• Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
• Hands-on experience with real-time data streaming, push notifications, and WebSockets.
• Strong expertise in security, encryption, and compliance—you know fintech demands precision.
• A track record of integrating RESTful APIs, GraphQL, and third-party services into flawless mobile apps.
• A mindset that thrives under pressure—we work fast, and we expect results.
• Lead the development of world-class fintech mobile applications that redefine user expectations.
• Architect and optimize blazing-fast, low-latency Flutter applications for financial markets.
• Work with designers, backend engineers, and product teams to craft seamless, intuitive, and ultra secure user experiences.
• Solve hard problems at scale—whether it’s optimizing performance, reducing load times, or ensuring absolute security.
• Push the boundaries of mobile fintech innovation, from AI-powered insights to predictive analytics.
• Own your work end-to-end—no excuses, no hand-holding, just results.

Must-Have Skills:

• Min 3 years of mobile development experience, with 2+ years in Flutter & Dart.
• Proven ability to build and scale real-time, high-performance fintech applications.
• A sharp eye for stunning UI/UX design that balances aesthetics with seamless functionality.
• Mastery over state management solutions (Provider, Riverpod, BLoC, or similar).
• Hands-on experience with real-time data streaming, push notifications, and WebSockets.

Why Join Us?

• Work with some of the sharpest minds in fintech and mobile engineering.
• Build products that traders, investors, and financial professionals rely on daily.
• A culture that values bold innovation, fast execution, and pushing boundaries.
• Expect challenges, high expectations, and relentless pursuit of excellence.
• Take complete ownership—from ideation to deployment, every pixel and every line of code should scream excellence.
• Competitive compensation, performance-driven growth, and a real opportunity to lead and shape the future of fintech mobile applications.

Tez Minds is a technology-focused company. The company focuses/works on challenging technology and delivering the right solution to its clients.

Experienced team of Developers and Designers.

We have most of our developers from IITs and premium institutes in India.

The management team experience comprises of people who have worked in companies like Bank of America, Yahoo, Paypal, Verisign, Google, Amazon, and Cognizant in the Bay Area and in India.

• 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
• Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
• 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 Googles Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git, SVN
• Experience with Android Studio.

We are seeking a skilled React Native Developer to join our development team in Noida. As a React Native Developer, you will be responsible for designing, developing, and maintaining high-quality mobile applications using the React Native framework. You will work closely with cross-functional teams to deliver outstanding mobile solutions.

Responsibilities:

• Develop and maintain mobile applications using React Native for iOS and Android platforms.
• Collaborate with designers and backend developers to implement intuitive user interfaces and ensure seamless user experiences.
• Write clean, efficient, and maintainable code, following coding standards and best practices.
• Integrate third-party libraries and APIs to enhance application functionality.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs.
• Stay updated with the latest industry trends, technologies, and best practices in mobile application development.
• Collaborate with backend developers to ensure smooth integration of server-side logic.
• Participate in code reviews and provide constructive feedback to team members.

Requirements:

• 2-5 years of professional experience in mobile application development.
• Strong proficiency in React Native framework and JavaScript.
• Good understanding of mobile app development concepts, including UI/UX design principles and mobile-specific considerations.
• Experience with RESTful APIs and asynchronous programming.
• Familiarity with version control systems, such as Git.
• Knowledge of mobile app performance optimization techniques.
• Strong problem-solving and debugging skills.
• Excellent communication and collaboration abilities.
• Ability to work effectively in a fast-paced and dynamic environment.
• Bachelor's or Master's degree in Computer Science or a related field.

Preferred Skills:

• Have practical experience on deploying an app on "Play store"

• You will be building and shipping robust apps to Android/ iOS devices using a single codebase.
• You will be writing readable and clear code using Dart that will be extensively documented for future use and upgrades.
• You will be sharing feedback and brainstorming ideas with teams to improve the development process.
• Understand basic concepts of design for developing user friendly applications.
• Stay up to date with the latest technologies.

• Translate product designs and features into high-quality code within project constraints through diligent planning and attention to detail.
• Design and develop efficient reusable components. Follow SDLC best practices by ensuring coding and testing standards.
• Take the lead to maintain and refactor code and remedy performance bottlenecks.
• Collaborate with different tech teams, product teams, and QA. Exhibit excellent teamwork and help achieve team goals. Keep key stakeholders informed about progress and problems; avoid surprises.
• Work to architect simple, reliable, and elegant applications. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Identify and communicate improvements to development tools, processes & workflows. Contribute to a collaborative work environment and a culture of ownership.
• Participate in understanding problems for our specific target and finding solutions for them.

• Strong knowledge of Android design principles, patterns, and best practices.
  Good problem-solving skills and verse with OOPs fundamentals.
• Proficiency in Java, Kotlin, and a solid understanding of Android SDK and other components (MVP/MVVM, Architecture components, Jetpack, Dagger, RxJava, Coroutines, Data binding, Retrofit, etc).
• Knowledge of clean architecture and its implementation.
• Proficient with developing apps optimized for different android versions and devices of varying performance.
• Strong system design and architecture skills.
• Experience with multi-threading, memory management, databases.
• Experience in working with REST APIs, JSON, XML, etc.
• Experience/Knowledge of unit testing and integration testing.
• A knack for profiling, performance tuning, and optimization.
  Skills that will give you an edge
• Hands-on experience with supporting payments and integrating payment gateways
• Experience with progressive web apps, service workers
• Strong grasp over frontend unit and end-to-end testing frameworks

We are looking for an Android developer interested in building performant mobile apps on Android platforms. You will be responsible for architecting and building the applications, as well as coordinating with the teams responsible for other layers of the product infrastructure.

Requirements

• Build pixel-perfect, buttery smooth UIs Android platform.
• Leverage native APIs for deep integrations with Android platform.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open source community to encourage and help implement mission-critical software fixes.
• Maintain code and write automated tests to ensure the product is of the highest quality.

Skills

• Firm grasp of the Kotlin language and its nuances.
• Knowledge of functional or object-oriented programming Ability to write well-documented and clean code.
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like Gradle , Android Studio, IntelliJ and Play console. Understanding of REST APIs, the document request model, and offline storage

Interpersonal Skills

• Self-motivated, team player, action--and-results oriented.
• Well organized, good communication and reporting skills.
• Ability to successfully work under tight project deadlines.

          Experience in Kotlin is mandatory .