
React Native Developer
at Online trading platform well funded and rapidly growing



Our client's Mobile app has been downloaded by more than 15 million users. Daily, more
than a million users login to the application. As a fast growing company, we are
preparing for a future of tremendous growth and disruption in finance. We are looking
for a React Native developer (SDE2) interested in building performant mobile apps on
both the iOS and Android platforms. The incumbent will be responsible for architecting
and building the applications, as well as coordinating with the teams responsible for
other layers of the product infrastructure. Building a product is a highly collaborative
effort, and as such, a strong team player with a commitment to perfection is required.
● Leverage native APIs for deep integrations with both platforms.
● 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 — React Native moves fast and often breaks
things.
● Maintain code and write automated tests to ensure the product is of the
highest quality.
● Participating in SDLC processes streamlining, POC development, Functional
Estimation, Performance Tuning, Environments setup, etc.
● Adherence and promoting best development practices that ensure high
quality
● Ability mentor junior developers and actively contribute to code reviews and
improve the code base for scale and maintainability
● Hands-on experience in Android/iOS app development via React-Native
● Experience in Build systems and Deployment processes
● Experience in writing unit testing code with libraries like Jest, Enzyme , Jasmine, Mocha, etc.
● Excellent problem solving, debugging, and troubleshooting skills.
● An avid follower of the best practices, optimization strategies, and design patterns
● Knowledge of RN available inbuilt UI components and the props those UI components accept.
● Good knowledge of monitoring and tracking down app crashes and bugs using advanced tools
● Experience in profiling tools in Xcode and Android Studio
● Experience in 3rd party services integration
● Knowledge of architectures, trends and emerging technologies

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We are seeking an experienced and highly- skilled Android Developer to join the Mobile Apps development team at our Hyderabad Office. As a Android Developer, you will play a pivotal role in developing, implementing, and managing high-quality, robust, and scalable mobile applications on the Android platform.
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Description
About the company
Quizizz is one of the fastest-growing EdTech platforms in the world.
Our talented team of engineers creates a product experience that helps teachers create interactive content, conduct live sessions with thousands of participants, and transform learning into a multiplayer gaming experience.
Quizizz has a passionate user base of 75 million monthly active users in 125 countries, including 80% of schools in the US and we have organically reached this scale. Our NPS is 82 and our users love and deeply care about the platform.
We have phenomenal investors, we are profitable, and we are committed to growing and improving every day. If you’re excited about working on cutting-edge technologies and want to build towards a mission that you can be proud of, Quizizz could be a place for you.
We currently have offices in Bangalore, India and in California in the US, with incredible team members around the world. Join us to be a part of our world-class team with a high-performance culture!
About the role
Quizizz and its app are used by millions of students and teachers around the world. As a mobile developer at Quizizz, you will be responsible for building and maintaining our iOS and Android apps. Apart from implementing and enhancing the functionality of the app, you will work with counterparts from design, sales, support and other engineering teams to drive the roadmap for the mobile experience of Quizizz. You will be expected to keep up to date with the latest developments in the mobile app world, and share your expertise so that the team can deliver the best experience to our users.
Requirements
Responsibilities
- You will be involved at all stages of the product development process, from design to development and deployment.
- You will be an advocate for good UI and UX at Quizizz, informing our designers about the latest technologies and components that can be leveraged (or even creating them yourself).
- You will be a mentor to junior developers in the organization, and take the lead on critical decisions relating to our frontend platform.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
Requirements
- At least 2 years of experience as a React-Native Developer.
- A solid foundation in data structures and algorithms.
- Familiarity with using Xcode and Android Studio.
- Experience with writing code that is compatible with different screen sizes.
- Familiarity with principles of redux and storing state.
- Familiarity with implementing third-party APIs and libraries.
- Experience with releasing apps on Play Store and App Store.
- Experience in building native iOS or Android apps is a plus.
Benefits
- Healthy work-life balance. Put in your 8 hours, and enjoy the rest of your day.
- Flexible leave policy. Take time off when you need it.
- Comprehensive health coverage of Rs. 6 lakhs, covering the employee and their parents, spouse and children. Pre-existing conditions are covered from day 1, and also benefits like free doctor consultations and more.
- Relocation support includes travel and accommodation, and we'll also pay for a broker to find your home in Bangalore!
- Rs. 20,000 annual health and wellness allowance.
- Professional development support. We will reimburse you for relevant courses and books that you need to become a better professional.
- Delicious meals including breakfast and lunch served at office, and a fully-stocked pantry for all your snacking needs.

We are looking for a strong mobile app developer who welcomes both engineering and maintenance tasks. The primary focus will be to implement new user interfaces and features together with automated unit and integration tests.
You will be working with our candid and collaborative team, where your knowledge and advice about application architecture and the newest mobile technologies will be highly appreciated. The code you write will need to be cleanly organized and of the highest quality. You’ll also help ensure solid application performance and an excellent user experience.
Responsibilities
- Developing new features and user interfaces from wireframe models
- Ensuring the best performance and user experience of the application
- Fixing bugs and performance problems
- Writing clean, readable, and testable code
- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
- Strong knowledge on LAMP Stack and Python
Skills
- Extensive knowledge about mobile app development. This includes the whole process, from the first line of code to publishing in the store(s)
- Deep knowledge of Android & iOS
- Proficiency with writing automated tests in JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc.
- Familiarity with RESTful APIs and mobile libraries for networking, specifically - Retrofit, axios, Alamofire, etc.
- Familiarity with the JSON format
- Experience with profiling and debugging mobile applications
- Strong knowledge of architectural patterns—MVP, MVC, MVVM, and Clean Architecture—and
the ability to choose the best solution for the app
- Familiarity with Git
- Familiarity with push notifications
- Understanding mobile app design guidelines on each platform and being aware of their differences
- Proficiency in Kotlin/Java/Swift/Objective-C/JavaScript/Python
- Proficiency in Django & NoSQl

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Requirements
- You will be working with our engineers to develop and maintain high-quality mobile applications for both platforms as Android and iOS.
- Ultimately, you should be able to design and build the next generation of our mobile applications.
Job Responsibilities and Required Skills :
- Experience with React Js, React Native, JavaScript including DOM Manipulation and the JavaScript object model.
- Thorough understanding of React Native and its core Principles.
- Hands-on experience on React Native Framework at least 3 years.
- Good Knowledge of HTML5, CSS.
- Familiarity with code versioning tools (Such as Git, SVN or Mercurial)
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools.
- Experience with common front-end development tools such as Babel, Web pack, NPM etc.
- Experience with Native Mobile app deployment on App store and google play store.

● Build new features & align them with product-requirements
● Build new features & gamification experience throughout the application
● 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


- Minimum 4+ years of mobile application development experience in native and excellent coding skills in Swift, RxSwift, RxCocoa, Objective-C
- Any experience on MVVM, VIPER
- Should have deep knowledge of the iOS SDK and IDE development tools.
- Experience developing client-server applications using technologies and web services APIs such as JSON, REST.
- Has hands-on experience with unit testing.
- Extensive experience in using various architecture, frameworks, and design patterns in designing/refactoring a highly optimized mobile is a must.
- Solid understanding of the agile development process and experience.
- Experience working in TDD (Test Driven Development) and CI/CD (Continuous Integration/Deployment) environment is a plus.
- Implement clean and manageable code incorporating best practices on security
- Collaborate with cross-functional teams from both offshore and onsite to define, design, and ship new features.
- Unit-test code for robustness, including edge cases, usability, and general reliability.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Review code, bug triage and execute multiple releases as per business demand
- Involvement with API team to design request / response contract
- MVVM & VIPER is a must
- Background fetch
- Swift latest or minimum version 4 and Swift basics


- Strong experience in Flutter development for Android & iOS app
- Expertise in 3rd Party API implementation
- Experience in using GMAPS, FIREBASE other 3rd Party plugins





